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authorMark Meserve <mark.meserve@ni.com>2019-04-11 15:14:37 -0500
committermichael-west <michael.west@ettus.com>2019-05-21 16:08:43 -0700
commit4f57ecab13e37f132c99ec797d412def3f1e2a66 (patch)
tree4789bce38abf657f52a4ebd1dabce720e1e62f68 /firmware/fx3/b200/b200_main.c
parent914206e04182d2446de14be29ef886ae7c013641 (diff)
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b200: add custom bootloader
- Adds custom bootloader code - Refactor common functions in firmware and bootloader
Diffstat (limited to 'firmware/fx3/b200/b200_main.c')
-rw-r--r--firmware/fx3/b200/b200_main.c3161
1 files changed, 0 insertions, 3161 deletions
diff --git a/firmware/fx3/b200/b200_main.c b/firmware/fx3/b200/b200_main.c
deleted file mode 100644
index ac4988ae0..000000000
--- a/firmware/fx3/b200/b200_main.c
+++ /dev/null
@@ -1,3161 +0,0 @@
-//
-// Copyright 2013-2015 Ettus Research LLC
-//
-
-/* This file defines the application that runs on the Cypress FX3 device, and
- * enables the user to program the FPGA with an FPGA image. Since the FPGA
- * doesn't yet have a clock, the image must be bit-banged into the FPGA.
- */
-
-#include <stdarg.h>
-#include <stdio.h>
-
-#include "b200_main.h"
-#include "b200_gpifconfig.h"
-#include "b200_i2c.h"
-
-#include "cyu3dma.h"
-#include "cyu3error.h"
-#include "cyu3gpif.h"
-#include "cyu3gpio.h"
-#include "cyu3spi.h"
-#include "cyu3os.h"
-#include "cyu3pib.h"
-#include "cyu3system.h"
-#include "cyu3usb.h"
-#include "cyu3utils.h"
-#include "cyfxversion.h"
-#include "pib_regs.h"
-
-#define STATIC_SAVER static // Save stack space for variables in a non-re-entrant function (e.g. USB setup callback)
-
-/*
- * WARNING: Before you enable any of the features below, please read the comments on the same line for that feature!
- * Indented features must have the parent feature enabled as well.
- */
-
-#define HAS_HEAP // This requires memory to be set aside for the heap (e.g. required for printing floating-point numbers). You can apply the accompanying patch ('fx3_mem_map.patch') to fx3.ld & cyfxtx.c to create one.
-#define ENABLE_MSG // This will cause the compiled code to exceed the default text memory area (SYS_MEM). You can apply the accompanying patch ('fx3_mem_map.patch') to fx3.ld & cyfxtx.c to resize the memory map so it will fit.
-#define ENABLE_MANUAL_DMA_XFER // Allows us to set it from the host (using the side channel util), doesn't auto-enable it
-//#define ENABLE_P2U_SUSP_EOP
-#define ENABLE_MANUAL_DMA_XFER_FROM_HOST
-#define ENABLE_MANUAL_DMA_XFER_TO_HOST
-//#define ENABLE_DMA_BUFFER_PACKET_DEBUG
-#define ENABLE_FPGA_SB // Be careful: this will add an ever-so-slight delay to some operations (e.g. AD3961 tune)
-#define ENABLE_RE_ENUM_THREAD
-#define ENABLE_USB_EVENT_LOGGING
-//#define PREVENT_LOW_POWER_MODE
-/*#define ENABLE_INIT_B_WORKAROUND // This should only be enabled if you have a board where the FPGA INIT_B line is broken, but the FPGA is known to work*/
-/*#define ENABLE_DONE_WORKAROUND // This should only be enabled if you have a board where the FPGA DONE line is broken, but the FPGA is known to work*/
-
-#define WATCHDOG_TIMEOUT 1500
-#define CHECK_POWER_STATE_SLEEP_TIME 500 // Should be less than WATCHDOG_TIMEOUT
-
-#define FPGA_PROGRAMMING_POLL_SLEEP 10 // ticks
-#define FPGA_PROGRAMMING_BITSTREAM_START_POLL_COUNT 250 // ~2.5 secs
-#define FPGA_PROGRAMMING_INITB_POLL_COUNT 100 // ~1 sec
-#define FPGA_PROGRAMMING_DONE_POLL_COUNT 250 // ~2.5 secs // This is the interval *after* no FPGA programming activity has been detected
-
-#define FPGA_RESET_SETTLING_TIME (1*10) // ~10ms (for SB to initialise)
-
-#define RE_ENUM_THREAD_SLEEP_TIME 100
-#define KEEP_ALIVE_LOOP_COUNT 200
-
-#pragma message "----------------------"
-
-#ifdef ENABLE_MSG
-#pragma message "msg enabled"
-#else
-#pragma message "msg disabled"
-#endif // ENABLE_MSG
-
-#ifdef ENABLE_MANUAL_DMA_XFER
-#pragma message "Manual DMA transfers"
-
-#ifdef ENABLE_MANUAL_DMA_XFER_FROM_HOST
-#pragma message " -> From host"
-#endif // ENABLE_MANUAL_DMA_XFER_FROM_HOST
-
-#ifdef ENABLE_MANUAL_DMA_XFER_TO_HOST
-#pragma message " <- To host"
-#endif // ENABLE_MANUAL_DMA_XFER_TO_HOST
-
-#ifdef ENABLE_DMA_BUFFER_PACKET_DEBUG
-#pragma message " Packet debugging enabled"
-#endif // ENABLE_DMA_BUFFER_PACKET_DEBUG
-
-#else
-#pragma message "Auto DMA transfers"
-#endif // ENABLE_MANUAL_DMA_XFER
-
-#ifdef ENABLE_FPGA_SB
-#pragma message "FPGA Settings Bus enabled"
-#else
-#pragma message "FPGA Settings Bus disabled"
-#endif // ENABLE_FPGA_SB
-
-#ifdef ENABLE_RE_ENUM_THREAD
-#pragma message "Re-enumeration & statistics thread enabled"
-#else
-#pragma message "Re-enumeration & statistics thread disabled"
-#endif // ENABLE_RE_ENUM_THREAD
-
-#ifdef ENABLE_USB_EVENT_LOGGING
-#pragma message "USB event logging enabled"
-#else
-#pragma message "USB event logging disabled"
-#endif // ENABLE_USB_EVENT_LOGGING
-
-#ifdef PREVENT_LOW_POWER_MODE
-#pragma message "Preventing Low Power Mode"
-#else
-#pragma message "Allowing Low Power Mode"
-#endif // PREVENT_LOW_POWER_MODE
-
-#ifdef HAS_HEAP
-#pragma message "Heap enabled"
-#else
-#pragma message "Heap disabled"
-#endif // HAS_HEAP
-
-#ifdef ENABLE_INIT_B_WORKAROUND
-#pragma message "INIT_B workaround enabled"
-#else
-#pragma message "INIT_B workaround disabled"
-#endif // ENABLE_INIT_B_WORKAROUND
-
-#ifdef ENABLE_DONE_WORKAROUND
-#pragma message "DONE workaround enabled"
-#else
-#pragma message "DONE workaround disabled"
-#endif // ENABLE_DONE_WORKAROUND
-
-#pragma message "----------------------"
-
-/* Declare global & static fields for our bit-bang application. */
-static CyU3PDmaChannel data_cons_to_prod_chan_handle;
-static CyU3PDmaChannel data_prod_to_cons_chan_handle;
-
-static CyU3PDmaChannel ctrl_cons_to_prod_chan_handle;
-static CyU3PDmaChannel ctrl_prod_to_cons_chan_handle;
-
-static CyU3PEvent g_event_usb_config;
-static CyU3PThread thread_main_app;
-static CyU3PThread thread_fpga_config;
-#ifdef ENABLE_RE_ENUM_THREAD
-static CyU3PThread thread_re_enum;
-#endif // ENABLE_RE_ENUM_THREAD
-
-static CyBool_t g_app_running = CyFalse;
-static uint8_t g_fx3_state = STATE_UNDEFINED;
-
-#define USB2_VREQ_BUF_SIZE 64
-#define USB3_VREQ_BUF_SIZE 512
-#define MIN_VREQ_BUF_SIZE USB2_VREQ_BUF_SIZE
-#define MAX_VREQ_BUF_SIZE USB3_VREQ_BUF_SIZE
-
-static uint16_t g_vendor_req_buff_size = MIN_VREQ_BUF_SIZE;
-static uint8_t g_vendor_req_buffer[MAX_VREQ_BUF_SIZE] __attribute__ ((aligned (32)));
-static uint16_t g_vendor_req_read_count = 0;
-
-static uint8_t fpga_hash[4] __attribute__ ((aligned (32)));
-static uint8_t fw_hash[4] __attribute__ ((aligned (32)));
-static uint8_t compat_num[2];
-static uint32_t g_fpga_programming_write_count = 0;
-
-#define COUNTER_MAGIC 0x10024001
-#define LOG_BUFFER_SIZE /*MAX_VREQ_BUF_SIZE*/1024 // [Max vreq @ USB3 (64 @ USB2)] Can be larger
-static char log_buffer[LOG_BUFFER_SIZE];
-static char log_contiguous_buffer[LOG_BUFFER_SIZE];
-static int log_buffer_idx = 0, log_buffer_len = 0;
-#ifdef ENABLE_MSG
-static int log_count = 0;
-#endif // ENABLE_MSG
-
-#define USB_EVENT_LOG_SIZE 64
-static uint8_t g_usb_event_log[USB_EVENT_LOG_SIZE];
-static uint16_t g_last_usb_event_log_index = 0;
-static uint8_t g_usb_event_log_contiguous_buf[USB_EVENT_LOG_SIZE];
-
-#ifdef ENABLE_FPGA_SB
-static CyBool_t g_fpga_sb_enabled = CyFalse;
-//static uint16_t g_fpga_sb_uart_div = 434*2;
-static uint16_t g_fpga_sb_last_usb_event_log_index = 0;
-static CyU3PThread thread_fpga_sb_poll;
-static CyU3PMutex g_suart_lock;
-#endif // ENABLE_FPGA_SB
-
-static CyU3PMutex g_log_lock, g_counters_lock, g_counters_dma_from_host_lock, g_counters_dma_to_host_lock;
-
-#define FPGA_SB_UART_ADDR_BASE 0x00
-
-enum UARTRegs
-{
- SUART_CLKDIV,
- SUART_TXLEVEL,
- SUART_RXLEVEL,
- SUART_TXCHAR,
- SUART_RXCHAR
-};
-
-enum UARTPacketType
-{
- UPT_NONE = '\0',
- UPT_MSG = ' ',
- UPT_COUNTERS = 'C',
- UPT_USB_EVENTS = 'U',
-};
-
-enum ConfigFlags {
- CF_NONE = 0,
- CF_TX_SWING = 1 << 0,
- CF_TX_DEEMPHASIS = 1 << 1,
- CF_DISABLE_USB2 = 1 << 2,
- CF_ENABLE_AS_SUPERSPEED = 1 << 3,
- CF_PPORT_DRIVE_STRENGTH = 1 << 4,
- CF_DMA_BUFFER_SIZE = 1 << 5,
- CF_DMA_BUFFER_COUNT = 1 << 6,
- CF_MANUAL_DMA = 1 << 7,
- CF_SB_BAUD_DIV = 1 << 8,
-
- CF_RE_ENUM = 1 << 31
-};
-
-typedef struct Config {
- int tx_swing; // [90] [65] 45
- int tx_deemphasis; // 0x11
- int disable_usb2; // 0
- int enable_as_superspeed; // 1
- int pport_drive_strength; // CY_U3P_DS_THREE_QUARTER_STRENGTH
- int dma_buffer_size; // [USB3] (max)
- int dma_buffer_count; // [USB3] 2
- int manual_dma; // 0
- int sb_baud_div; // 434*2
-} CONFIG, *PCONFIG;
-
-typedef struct ConfigMod {
- int flags;
- CONFIG config;
-} CONFIG_MOD, *PCONFIG_MOD;
-
-static CONFIG g_config = {
- 65, // tx_swing
- 0x11, // tx_deemphasis
- 0, // disable_usb2
- 1, // enable_as_superspeed
- CY_U3P_DS_THREE_QUARTER_STRENGTH, // pport_drive_strength
- 16*1024, // dma_buffer_size - optimized value from Cypress AN86947
- 2, // dma_buffer_count - optimized value from Cypress AN86947
- 0, // manual_dma
- 434*2 // sb_baud_div
-};
-static CONFIG_MOD g_config_mod;
-
-#define REG_LNK_PHY_ERROR_STATUS 0xE0033044
-
-enum PhyErrors {
- PHYERR_PHY_LOCK_EV = 1 << 8,
- PHYERR_TRAINING_ERROR_EV = 1 << 7,
- PHYERR_RX_ERROR_CRC32_EV = 1 << 6,
- PHYERR_RX_ERROR_CRC16_EV = 1 << 5,
- PHYERR_RX_ERROR_CRC5_EV = 1 << 4,
- PHYERR_PHY_ERROR_DISPARITY_EV = 1 << 3,
- PHYERR_PHY_ERROR_EB_UND_EV = 1 << 2,
- PHYERR_PHY_ERROR_EB_OVR_EV = 1 << 1,
- PHYERR_PHY_ERROR_DECODE_EV = 1 << 0,
-
- PHYERR_MAX = PHYERR_PHY_LOCK_EV,
- PHYERR_MASK = (PHYERR_MAX << 1) - 1
-};
-
-typedef struct USBErrorCounters {
- int phy_error_count;
- int link_error_count;
-
- int PHY_LOCK_EV;
- int TRAINING_ERROR_EV;
- int RX_ERROR_CRC32_EV;
- int RX_ERROR_CRC16_EV;
- int RX_ERROR_CRC5_EV;
- int PHY_ERROR_DISPARITY_EV;
- int PHY_ERROR_EB_UND_EV;
- int PHY_ERROR_EB_OVR_EV;
- int PHY_ERROR_DECODE_EV;
-} USB_ERROR_COUNTERS, *PUSB_ERROR_COUNTERS;
-
-typedef struct DMACounters {
- int XFER_CPLT;
- int SEND_CPLT;
- int RECV_CPLT;
- int PROD_EVENT;
- int CONS_EVENT;
- int ABORTED;
- int ERROR;
- int PROD_SUSP;
- int CONS_SUSP;
-
- int BUFFER_MARKER;
- int BUFFER_EOP;
- int BUFFER_ERROR;
- int BUFFER_OCCUPIED;
-
- int last_count;
- int last_size;
-
- int last_sid;
- int bad_sid_count;
-} DMA_COUNTERS, *PDMA_COUNTERS;
-
-typedef struct PIBCounters
-{
- int socket_inactive; // CYU3P_PIB_ERR_THR1_SCK_INACTIVE
-} PIB_COUNTERS, *PPIB_COUNTERS;
-
-typedef struct Counters {
- int magic;
-
- DMA_COUNTERS dma_to_host;
- DMA_COUNTERS dma_from_host;
-
- int log_overrun_count;
-
- int usb_error_update_count;
- USB_ERROR_COUNTERS usb_error_counters;
-
- int usb_ep_underrun_count;
-
- int heap_size;
-
- int resume_count;
-
- int state_transition_count;
- int invalid_gpif_state;
-
- PIB_COUNTERS pib_counters[4];
-} COUNTERS, *PCOUNTERS;
-
-volatile static COUNTERS g_counters;
-
-#ifndef min
-#define min(a,b) ((a)<(b)?(a):(b))
-#endif // min
-
-#define LOCKP(p) CyU3PMutexGet(p, CYU3P_WAIT_FOREVER)
-#define UNLOCKP(p) CyU3PMutexPut(p)
-#define LOCK(p) LOCKP(&p)
-#define UNLOCK(p) UNLOCKP(&p)
-
-////////////////////////////////////////////////////////////////////////////////
-
-char *heap_end = 0;
-caddr_t _sbrk(int incr)
-{
-#ifdef HAS_HEAP
- extern char __heap_start;
- extern char __heap_end;
- char *prev_heap_end;
-
- if (heap_end == 0)
- {
- heap_end = (char *)&__heap_start;
- }
- prev_heap_end = heap_end;
-
- if (heap_end + incr > &__heap_end)
- {
- return (caddr_t) 0;
- }
- heap_end += incr;
- g_counters.heap_size += incr; // Not sync'd
-
- return (caddr_t) prev_heap_end;
-#else
- return (caddr_t) -1;
-#endif // HAS_HEAP
-}
-
-////////////////////////////////////////////////////////////////////////////////
-
-void b200_start_fpga_sb_gpio(void);
-void sb_write(uint8_t reg, uint32_t val);
-void _sb_write_string(const char* msg);
-
-void msg(const char* str, ...) {
-#define msg_CHECK_USE_LOCK
-//void _msgv(int use_lock, const char* str, va_list args) {
-//#define msg_CHECK_USE_LOCK if (use_lock)
-#ifdef ENABLE_MSG
- va_list args;
- static char buf[LOG_BUFFER_SIZE];
- int idx = 0;
-
- msg_CHECK_USE_LOCK
- LOCK(g_log_lock);
-
- ++log_count;
- log_count %= 10000;
-
- va_start(args, str);
-
- if (1) { // FIXME: Optional
- uint32_t time_now = CyU3PGetTime();
- idx += sprintf(buf, "%08X %04i ", (uint)time_now, log_count);
- }
- else
- idx += sprintf(buf, "%04i ", log_count);
- idx += vsnprintf(buf + idx, LOG_BUFFER_SIZE - idx, str, args);
-
- va_end(args);
-
- if ((LOG_BUFFER_SIZE - log_buffer_len) < (idx + 1 + 1)) {
- msg_CHECK_USE_LOCK
- LOCK(g_counters_lock);
- ++g_counters.log_overrun_count;
- msg_CHECK_USE_LOCK
- UNLOCK(g_counters_lock);
-
- goto msg_exit;
- }
-
- // Circular buffer if we need it later, but currently won't wrap due to above condition
- memcpy(log_buffer + log_buffer_len, buf, min(idx + 1, LOG_BUFFER_SIZE - log_buffer_len));
- if ((idx + 1) > (LOG_BUFFER_SIZE - log_buffer_len))
- {
- memcpy(log_buffer, buf + (LOG_BUFFER_SIZE - log_buffer_len), (idx + 1) - (LOG_BUFFER_SIZE - log_buffer_len));
- log_buffer[(idx + 1) - (LOG_BUFFER_SIZE - log_buffer_len)] = '\0';
- }
- else
- log_buffer[log_buffer_len + idx + 1] = '\0';
-
- log_buffer_len += (idx + 1);
-msg_exit:
- msg_CHECK_USE_LOCK
- UNLOCK(g_log_lock);
-#ifdef ENABLE_FPGA_SB
- LOCK(g_suart_lock);
- sb_write(SUART_TXCHAR, UPT_MSG);
- _sb_write_string(buf);
- _sb_write_string("\r\n");
- UNLOCK(g_suart_lock);
-#endif // ENABLE_FPGA_SB
-#endif // ENABLE_MSG
-}
-/*
-void msg(const char* str, ...)
-{
- va_list args;
- va_start(args, str);
- _msgv(1, str, args);
- va_end(args);
-}
-
-void msg_nl(const char* str, ...)
-{
- va_list args;
- va_start(args, str);
- _msgv(0, str, args);
- va_end(args);
-}
-*/
-void log_reset(void) {
- //LOCK(g_log_lock);
-
- log_buffer_idx = 0;
- log_buffer_len = 0;
- log_buffer[0] = '\0';
-
- //UNLOCK(g_log_lock);
-}
-
-void counters_auto_reset(void) {
- //LOCK(g_counters_lock);
-
- g_counters.log_overrun_count = 0;
-
- //UNLOCK(g_counters_lock);
-}
-
-void counters_dma_reset(void) {
- LOCK(g_counters_lock);
-
- LOCK(g_counters_dma_to_host_lock);
- memset((void*)&g_counters.dma_to_host, 0x00, sizeof(DMA_COUNTERS));
- UNLOCK(g_counters_dma_to_host_lock);
-
- LOCK(g_counters_dma_from_host_lock);
- memset((void*)&g_counters.dma_from_host, 0x00, sizeof(DMA_COUNTERS));
- UNLOCK(g_counters_dma_from_host_lock);
-
- UNLOCK(g_counters_lock);
-}
-
-void counters_reset_usb_errors(void) {
- LOCK(g_counters_lock);
-
- g_counters.usb_error_update_count = 0;
- memset((void*)&g_counters.usb_error_counters, 0x00, sizeof(g_counters.usb_error_counters));
-
- UNLOCK(g_counters_lock);
-}
-
-#ifdef ENABLE_MANUAL_DMA_XFER
-/* Callback funtion for the DMA event notification. */
-void dma_callback (
- CyU3PDmaChannel *chHandle, /* Handle to the DMA channel. */
- CyU3PDmaCbType_t type, /* Callback type. */
- CyU3PDmaCBInput_t *input, /* Callback status. */
- int from_host)
-{
- CyU3PReturnStatus_t status = CY_U3P_SUCCESS;
-
- PDMA_COUNTERS cnt = (PDMA_COUNTERS)(from_host ? &g_counters.dma_from_host : &g_counters.dma_to_host);
- CyU3PMutex* lock = (from_host ? &g_counters_dma_from_host_lock : &g_counters_dma_to_host_lock);
-
- uint16_t buffer_status = (input->buffer_p.status & CY_U3P_DMA_BUFFER_STATUS_MASK);
- if (buffer_status & CY_U3P_DMA_BUFFER_MARKER)
- {
- cnt->BUFFER_MARKER++;
- }
- if (buffer_status & CY_U3P_DMA_BUFFER_EOP)
- {
- cnt->BUFFER_EOP++;
- }
- if (buffer_status & CY_U3P_DMA_BUFFER_ERROR)
- {
- cnt->BUFFER_ERROR++;
- }
- if (buffer_status & CY_U3P_DMA_BUFFER_OCCUPIED)
- {
- cnt->BUFFER_OCCUPIED++;
- }
-
- if (type == CY_U3P_DMA_CB_PROD_EVENT)
- {
-#ifdef ENABLE_DMA_BUFFER_PACKET_DEBUG
- LOCKP(lock);
- int prod_cnt = cnt->PROD_EVENT++;
- UNLOCKP(lock);
-
- //if (cnt->last_count != input->buffer_p.count)
- // msg("[DMA%d %05d] buffer.count (%05d) != last_count (%05d)", from_host, prod_cnt, input->buffer_p.count, cnt->last_count);
- cnt->last_count = input->buffer_p.count;
-
- if (cnt->last_size != input->buffer_p.size)
- msg("[DMA%d %05d] buffer.size (%05d) != last_size (%05d)", from_host, prod_cnt, input->buffer_p.size, cnt->last_size);
- cnt->last_size = input->buffer_p.size;
-
- uint32_t* p32 = input->buffer_p.buffer;
- uint32_t sid = p32[1];
- cnt->last_sid = (int)sid;
- if (((from_host == 0) && ((sid != 0xa0) && (sid != 0xb0))) ||
- ((from_host == 1) && ((sid != 0x50) && (sid != 0x60))))
- {
- cnt->bad_sid_count++;
- msg("[DMA%d %05d] Bad SID: 0x%08x", from_host, prod_cnt, sid);
- }
-
- uint16_t* p16 = input->buffer_p.buffer;
-
- if (p32[0] & (((uint32_t)1) << 31))
- {
- msg("[DMA%d %05d] Error code: 0x%x (packet len: %05d, buffer count: %05d, seq: %04d)", from_host, prod_cnt, p32[4], p16[0], input->buffer_p.count, (p16[1] & 0x0fff)); // Status
-
- //msg("[DMA%d] 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x", from_host, p32[0], p32[1], p32[2], p32[3], p32[4], p32[5]);
- }
- else
- {
- if (p16[1] & (((uint16_t)1) << 12))
- {
- msg("[DMA%d %05d] EOB (packet len: %05d, buffer count: %05d)", from_host, prod_cnt, p16[0], input->buffer_p.count); // Comes with one sample
- }
-
- if ((p16[0] != input->buffer_p.count) &&
- ((p16[0] + 4) != input->buffer_p.count)) // Case of overrun packet length being padded (being rounded up)
- {
- if (from_host == 0)
- msg("[DMA%d %05d] Packet len (%05d) != buffer count (%05d), seq: %04d [0x%04x 0x%04x]", from_host, prod_cnt, p16[0], input->buffer_p.count, (p16[1] & 0x0fff), p16[0], p16[1]);
- }
-
- //msg("[DMA%d] 0x%04x 0x%04x 0x%04x 0x%04x", from_host, p16[0], p16[1], p16[2], p16[3]);
-
- if (p16[1] & (((uint16_t)1) << 12))
- msg("[DMA%d %05d] 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x", from_host, prod_cnt, p32[0], p32[1], p32[2], p32[3], p32[4], p32[5]);
- }
-#endif // ENABLE_DMA_BUFFER_PACKET_DEBUG
- status = CyU3PDmaChannelCommitBuffer (chHandle, input->buffer_p.count, 0);
-#ifndef ENABLE_DMA_BUFFER_PACKET_DEBUG
- LOCKP(lock);
- cnt->PROD_EVENT++;
- UNLOCKP(lock);
-#endif // !ENABLE_DMA_BUFFER_PACKET_DEBUG
- }
- else if (type == CY_U3P_DMA_CB_CONS_EVENT)
- {
- LOCKP(lock);
- cnt->CONS_EVENT++;
- UNLOCKP(lock);
- }
- else if (type == CY_U3P_DMA_CB_XFER_CPLT)
- {
- LOCKP(lock);
- cnt->XFER_CPLT++;
- UNLOCKP(lock);
- }
- else if (type == CY_U3P_DMA_CB_SEND_CPLT)
- {
- LOCKP(lock);
- cnt->SEND_CPLT++;
- UNLOCKP(lock);
- }
- else if (type == CY_U3P_DMA_CB_RECV_CPLT)
- {
- LOCKP(lock);
- cnt->RECV_CPLT++;
- UNLOCKP(lock);
- }
- else if (type == CY_U3P_DMA_CB_ABORTED)
- {
- LOCKP(lock);
- cnt->ABORTED++;
- UNLOCKP(lock);
-
- msg("! Aborted %i", from_host);
- }
- else if (type == CY_U3P_DMA_CB_ERROR)
- {
- LOCKP(lock);
- cnt->ERROR++;
- UNLOCKP(lock);
-
- msg("! Error %i", from_host);
- }
- else if (type == CY_U3P_DMA_CB_PROD_SUSP)
- {
- LOCKP(lock);
- cnt->PROD_SUSP++;
- UNLOCKP(lock);
-
- msg("! Prod suspend %i", from_host);
- }
- else if (type == CY_U3P_DMA_CB_CONS_SUSP)
- {
- LOCKP(lock);
- cnt->CONS_SUSP++;
- UNLOCKP(lock);
-
- //msg("! Cons suspend %i", from_host);
-
- CyU3PDmaChannelResume (chHandle, CyFalse, CyTrue);
- }
-}
-
-void from_host_dma_callback (
- CyU3PDmaChannel *chHandle, /* Handle to the DMA channel. */
- CyU3PDmaCbType_t type, /* Callback type. */
- CyU3PDmaCBInput_t *input) /* Callback status. */
-{
- return dma_callback(chHandle, type, input, 1);
-}
-
-void to_host_dma_callback (
- CyU3PDmaChannel *chHandle, /* Handle to the DMA channel. */
- CyU3PDmaCbType_t type, /* Callback type. */
- CyU3PDmaCBInput_t *input) /* Callback status. */
-{
- return dma_callback(chHandle, type, input, 0);
-}
-#endif // ENABLE_MANUAL_DMA_XFER
-
-/*! Interrupt callback for GPIOs.
- *
- * This function is invoked by the GPIO interrupt handler when pins configured
- * as inputs with interrupts are triggered. */
-void gpio_interrupt_callback(uint8_t gpio_id) {
- CyBool_t gpio_value;
-
- if ((gpio_id == GPIO_DONE) && (g_fx3_state == STATE_CONFIGURING_FPGA)) { // Only proceed if in the correct FX3 state
- CyU3PGpioGetValue(gpio_id, &gpio_value);
-
- if(gpio_value == CyTrue) {
- //msg("DONE HIGH");
- CyU3PEventSet(&g_event_usb_config, EVENT_GPIO_DONE_HIGH, CYU3P_EVENT_OR);
- }
- } else if ((gpio_id == GPIO_INIT_B) && (g_fx3_state == STATE_FPGA_READY)) { // Only proceed if in the correct FX3 state
- CyU3PGpioGetValue(gpio_id, &gpio_value);
-
- if(gpio_value == CyTrue) {
- //msg("INITB_RISE");
- CyU3PEventSet(&g_event_usb_config, EVENT_GPIO_INITB_RISE, CYU3P_EVENT_OR);
- }
- }
-}
-
-
-/*! Stops the application, and destroys transport data structures.
- *
- * This function is essentially a destructor for all transport configurations.
- * It ensures that if the USB configuration is reset without a power reboot,
- * everything will come back up properly. */
-void b200_fw_stop(void) {
- msg("b200_fw_stop");
-
- CyU3PEpConfig_t usb_endpoint_config;
-
- /* Update the flag. */
- g_app_running = CyFalse;
-
- /* Flush the endpoint memory */
- CyU3PUsbFlushEp(DATA_ENDPOINT_PRODUCER);
- CyU3PUsbFlushEp(DATA_ENDPOINT_CONSUMER);
- CyU3PUsbFlushEp(CTRL_ENDPOINT_PRODUCER);
- CyU3PUsbFlushEp(CTRL_ENDPOINT_CONSUMER);
-
- /* Reset the DMA channels */
- // SDK 1.3 known issue #1 - probably not necessary since Destroy is next, but just in case
- CyU3PDmaChannelReset(&data_cons_to_prod_chan_handle);
- CyU3PDmaChannelReset(&data_prod_to_cons_chan_handle);
- CyU3PDmaChannelReset(&ctrl_cons_to_prod_chan_handle);
- CyU3PDmaChannelReset(&ctrl_prod_to_cons_chan_handle);
-
- /* Destroy the DMA channels */
- CyU3PDmaChannelDestroy(&data_cons_to_prod_chan_handle);
- CyU3PDmaChannelDestroy(&data_prod_to_cons_chan_handle);
- CyU3PDmaChannelDestroy(&ctrl_cons_to_prod_chan_handle);
- CyU3PDmaChannelDestroy(&ctrl_prod_to_cons_chan_handle);
-
- /* Disable endpoints. */
- CyU3PMemSet((uint8_t *) &usb_endpoint_config, 0, \
- sizeof(usb_endpoint_config));
- usb_endpoint_config.enable = CyFalse;
-
- CyU3PSetEpConfig(DATA_ENDPOINT_PRODUCER, &usb_endpoint_config);
- CyU3PSetEpConfig(DATA_ENDPOINT_CONSUMER, &usb_endpoint_config);
- CyU3PSetEpConfig(CTRL_ENDPOINT_PRODUCER, &usb_endpoint_config);
- CyU3PSetEpConfig(CTRL_ENDPOINT_CONSUMER, &usb_endpoint_config);
-}
-
-
-void reset_gpif(void) {
- g_fx3_state = STATE_BUSY;
-
- // Put the FPGA into RESET
- CyU3PGpioSetValue(GPIO_FPGA_RESET, CyTrue);
-
- // Bring down GPIF
- CyU3PGpifDisable(/*CyTrue*/CyFalse);
-
- /* Reset the DMA channels */
- CyU3PDmaChannelReset(&data_cons_to_prod_chan_handle);
- CyU3PDmaChannelReset(&data_prod_to_cons_chan_handle);
- CyU3PDmaChannelReset(&ctrl_cons_to_prod_chan_handle);
- CyU3PDmaChannelReset(&ctrl_prod_to_cons_chan_handle);
-
- /* Reset the DMA transfers */
- CyU3PDmaChannelSetXfer(&data_cons_to_prod_chan_handle, DMA_SIZE_INFINITE);
- CyU3PDmaChannelSetXfer(&data_prod_to_cons_chan_handle, DMA_SIZE_INFINITE);
- CyU3PDmaChannelSetXfer(&ctrl_cons_to_prod_chan_handle, DMA_SIZE_INFINITE);
- CyU3PDmaChannelSetXfer(&ctrl_prod_to_cons_chan_handle, DMA_SIZE_INFINITE);
-
- /* Flush the USB endpoints */
- CyU3PUsbFlushEp(DATA_ENDPOINT_PRODUCER);
- CyU3PUsbFlushEp(DATA_ENDPOINT_CONSUMER);
- CyU3PUsbFlushEp(CTRL_ENDPOINT_PRODUCER);
- CyU3PUsbFlushEp(CTRL_ENDPOINT_CONSUMER);
-
- /* Load the GPIF configuration for Slave FIFO sync mode. */
- //CyU3PGpifLoad(&CyFxGpifConfig);
-
- /* Start the state machine. */
- //if (CyU3PGpifSMStart(RESET, ALPHA_RESET) != CY_U3P_SUCCESS)
- // msg("! CyU3PGpifSMStart");
-
- /* Configure the watermarks for the slfifo-write buffers. */
- //CyU3PGpifSocketConfigure(0, DATA_TX_PPORT_SOCKET, 5, CyFalse, 1);
- //CyU3PGpifSocketConfigure(1, DATA_RX_PPORT_SOCKET, 6, CyFalse, 1);
- //CyU3PGpifSocketConfigure(2, CTRL_COMM_PPORT_SOCKET, 5, CyFalse, 1);
- //CyU3PGpifSocketConfigure(3, CTRL_RESP_PPORT_SOCKET, 6, CyFalse, 1);
-
- CyU3PGpioSetValue(GPIO_FPGA_RESET, CyFalse);
-
- CyU3PThreadSleep(FPGA_RESET_SETTLING_TIME);
-
- if (CyU3PGpifSMStart(RESET, ALPHA_RESET) != CY_U3P_SUCCESS)
- msg("! CyU3PGpifSMStart");
-
- msg("GPIF reset");
-
- b200_start_fpga_sb_gpio();
-
- g_fx3_state = STATE_RUNNING;
-}
-
-
-CyU3PReturnStatus_t b200_set_io_matrix(CyBool_t fpga_config_mode) {
- CyU3PIoMatrixConfig_t io_config_matrix;
- CyU3PReturnStatus_t res;
-
- /* Configure the IO peripherals on the FX3. The gpioSimpleEn arrays are
- * bitmaps, where each bit represents the GPIO of the matching index - the
- * second array is index + 32. */
- CyU3PMemSet((uint8_t *) &io_config_matrix, 0, sizeof(io_config_matrix));
- io_config_matrix.isDQ32Bit = (fpga_config_mode == CyFalse);
- io_config_matrix.lppMode = CY_U3P_IO_MATRIX_LPP_DEFAULT;
- io_config_matrix.gpioSimpleEn[0] = 0 | MASK_GPIO_FPGA_SB_SCL | MASK_GPIO_FPGA_SB_SDA;
- io_config_matrix.gpioSimpleEn[1] = MASK_GPIO_PROGRAM_B \
- | MASK_GPIO_INIT_B \
- | (fpga_config_mode ? 0 : \
- // Used once FPGA config is done to bit-bang SPI, etc.
- MASK_GPIO_SHDN_SW \
- | MASK_GPIO_AUX_PWR_ON \
- | MASK_GPIO_FX3_SCLK \
- | MASK_GPIO_FX3_CE \
- | MASK_GPIO_FX3_MISO \
- | MASK_GPIO_FX3_MOSI);
- io_config_matrix.gpioComplexEn[0] = 0;
- io_config_matrix.gpioComplexEn[1] = 0;
- io_config_matrix.useUart = CyFalse;
- io_config_matrix.useI2C = CyTrue;
- io_config_matrix.useI2S = CyFalse;
- io_config_matrix.useSpi = fpga_config_mode;
-
- res = CyU3PDeviceConfigureIOMatrix(&io_config_matrix);
- if (res != CY_U3P_SUCCESS)
- msg("! ConfigureIOMatrix");
-
- return res;
-}
-
-
-CyU3PReturnStatus_t b200_gpio_init(CyBool_t set_callback) {
- CyU3PGpioClock_t gpio_clock_config;
- CyU3PReturnStatus_t res;
-
- /* Since we are only using FX3's 'simple GPIO' functionality, these values
- * must *NOT* change. Cypress says changing them will break stuff. */
- CyU3PMemSet((uint8_t *) &gpio_clock_config, 0, \
- sizeof(gpio_clock_config));
- gpio_clock_config.fastClkDiv = 2;
- gpio_clock_config.slowClkDiv = 0;
- gpio_clock_config.simpleDiv = CY_U3P_GPIO_SIMPLE_DIV_BY_2;
- gpio_clock_config.clkSrc = CY_U3P_SYS_CLK;
- gpio_clock_config.halfDiv = 0;
-
- res = CyU3PGpioInit(&gpio_clock_config, (set_callback ? gpio_interrupt_callback : NULL));
- if (res != CY_U3P_SUCCESS)
- msg("! CyU3PGpioInit");
-
- return res;
-}
-
-
-void sb_write(uint8_t reg, uint32_t val) {
-#ifdef ENABLE_FPGA_SB
- const int len = 32;
- int i;
-
- if (g_fpga_sb_enabled == CyFalse)
- return;
-
- reg += FPGA_SB_UART_ADDR_BASE;
-
- //CyU3PBusyWait(1); // Can be used after each SetValue to slow down bit changes
-
- // START
- CyU3PGpioSetValue(GPIO_FPGA_SB_SCL, 1); // Should already be 1
- CyU3PGpioSetValue(GPIO_FPGA_SB_SDA, 0);
-
- // ADDR[8]
- for (i = 7; i >= 0; i--) {
- uint8_t bit = ((reg & (0x1 << i)) ? 0x01 : 0x00);
- CyU3PGpioSetValue(GPIO_FPGA_SB_SCL, 0);
- CyU3PGpioSetValue(GPIO_FPGA_SB_SDA, bit);
-
- CyU3PGpioSetValue(GPIO_FPGA_SB_SCL, 1); // FPGA reads bit
- }
-
- // DATA[32]
- for (i = (len-1); i >= 0; i--) {
- uint8_t bit = ((val & (0x1 << i)) ? 0x01 : 0x00);
- CyU3PGpioSetValue(GPIO_FPGA_SB_SCL, 0);
- CyU3PGpioSetValue(GPIO_FPGA_SB_SDA, bit);
-
- CyU3PGpioSetValue(GPIO_FPGA_SB_SCL, 1); // FPGA reads bit
- }
-
- // STOP
- CyU3PGpioSetValue(GPIO_FPGA_SB_SDA, 0);
- CyU3PGpioSetValue(GPIO_FPGA_SB_SCL, 0);
- CyU3PGpioSetValue(GPIO_FPGA_SB_SCL, 1); // Actual stop
- CyU3PGpioSetValue(GPIO_FPGA_SB_SDA, 1); // Xact occurs
-#endif // ENABLE_FPGA_SB
-}
-
-
-void _sb_write_string(const char* msg) {
-#ifdef ENABLE_FPGA_SB
- while (*msg) {
- sb_write(SUART_TXCHAR, (uint8_t)(*(msg++)));
- }
-#endif // ENABLE_FPGA_SB
-}
-
-
-void sb_write_string(const char* msg) {
-#ifdef ENABLE_FPGA_SB
- LOCK(g_suart_lock);
- _sb_write_string(msg);
- UNLOCK(g_suart_lock);
-#endif // ENABLE_FPGA_SB
-}
-
-
-void b200_enable_fpga_sb_gpio(CyBool_t enable) {
-#ifdef ENABLE_FPGA_SB
- CyU3PGpioSimpleConfig_t gpio_config;
- CyU3PReturnStatus_t res;
-
- if (enable == CyFalse) {
- g_fpga_sb_enabled = CyFalse;
-
- return;
- }
-
- gpio_config.outValue = CyFalse;
- gpio_config.driveLowEn = CyTrue;
- gpio_config.driveHighEn = CyTrue;
- gpio_config.inputEn = CyFalse;
- gpio_config.intrMode = CY_U3P_GPIO_NO_INTR;
-
- res = CyU3PGpioSetSimpleConfig(GPIO_FPGA_SB_SCL, &gpio_config);
- if (res != CY_U3P_SUCCESS) {
- msg("! GpioSetSimpleConfig GPIO_FPGA_SB_SCL");
- }
- res = CyU3PGpioSetSimpleConfig(GPIO_FPGA_SB_SDA, &gpio_config);
- if (res != CY_U3P_SUCCESS) {
- msg("! GpioSetSimpleConfig GPIO_FPGA_SB_SDA");
- }
-
- CyU3PGpioSetValue(GPIO_FPGA_SB_SCL, 1);
- CyU3PGpioSetValue(GPIO_FPGA_SB_SDA, 1);
-
- g_fpga_sb_enabled = CyTrue;
-
- msg("Debug SB OK");
-#endif // ENABLE_FPGA_SB
-}
-
-
-void b200_start_fpga_sb_gpio(void) {
-#ifdef ENABLE_FPGA_SB
- LOCK(g_suart_lock);
- sb_write(SUART_CLKDIV, /*g_fpga_sb_uart_div*/g_config.sb_baud_div); // 16-bit reg, master clock = 100 MHz (434*2x = 230400/2)
- _sb_write_string("\r\n B2x0 FPGA reset\r\n");
- UNLOCK(g_suart_lock);
-
- msg("Compat: %d.%d", FX3_COMPAT_MAJOR, FX3_COMPAT_MINOR);
- msg("FX3 SDK: %d.%d.%d (build %d)", CYFX_VERSION_MAJOR, CYFX_VERSION_MINOR, CYFX_VERSION_PATCH, CYFX_VERSION_BUILD);
-#endif // ENABLE_FPGA_SB
-}
-
-
-/*! Initialize and configure the GPIO module for FPGA programming.
- *
- * This function initializes the FX3 GPIO module, creating a configuration that
- * allows us to program the FPGA. After the FPGA has been programmed, the
- * application thread will re-configure some of the pins. */
-void b200_gpios_pre_fpga_config(void) {
- CyU3PGpioSimpleConfig_t gpio_config;
-
- //b200_enable_fpga_sb_gpio(CyFalse);
-
- //CyU3PGpioDeInit();
-
- b200_set_io_matrix(CyTrue);
-
- //b200_gpio_init(CyTrue); // This now done once during startup
-
- ////////////////////////////////////
-
- /* GPIO[0:32] must be set with the DeviceOverride function, instead of the
- * SimpleEn array configuration. */
- CyU3PDeviceGpioOverride(GPIO_FPGA_RESET, CyTrue);
- CyU3PDeviceGpioOverride(GPIO_DONE, CyTrue);
-
- /* Configure GPIOs:
- * Outputs:
- * driveLowEn = True
- * driveHighEn = True
- * inputEn = False
- * Inputs:
- * driveLowEn = False
- * driveHighEn = False
- * outValue = Ignored
- */
- gpio_config.outValue = CyFalse;
- gpio_config.driveLowEn = CyTrue;
- gpio_config.driveHighEn = CyTrue;
- gpio_config.inputEn = CyFalse;
- gpio_config.intrMode = CY_U3P_GPIO_NO_INTR;
-
- CyU3PGpioSetSimpleConfig(GPIO_FPGA_RESET, &gpio_config);
- CyU3PGpioSetSimpleConfig(GPIO_PROGRAM_B, &gpio_config);
-
- /* Reconfigure the GPIO configure struct for inputs that DO require
- * interrupts attached to them. */
- gpio_config.outValue = CyTrue;
- gpio_config.inputEn = CyTrue;
- gpio_config.driveLowEn = CyFalse;
- gpio_config.driveHighEn = CyFalse;
- gpio_config.intrMode = CY_U3P_GPIO_INTR_POS_EDGE;
-
- CyU3PGpioSetSimpleConfig(GPIO_DONE, &gpio_config);
- CyU3PGpioSetSimpleConfig(GPIO_INIT_B, &gpio_config);
-
- /* Initialize GPIO output values. */
- CyU3PGpioSetValue(GPIO_FPGA_RESET, 0);
- CyU3PGpioSetValue(GPIO_PROGRAM_B, 1);
-
- b200_enable_fpga_sb_gpio(CyTrue); // So SCL/SDA are already high when SB state machine activates
-}
-
-
-void b200_slfifo_mode_gpio_config(void) {
- CyU3PGpioSimpleConfig_t gpio_config;
-
- //b200_enable_fpga_sb_gpio(CyFalse);
-
- //CyU3PGpioDeInit();
-
- b200_set_io_matrix(CyFalse);
-
- //b200_gpio_init(CyFalse); // This now done once during startup
-
- ////////////////////////////////////
-
- /* GPIO[0:32] must be set with the DeviceOverride function, instead of the
- * SimpleEn array configuration. */
- CyU3PDeviceGpioOverride(GPIO_FPGA_RESET, CyTrue);
- CyU3PDeviceGpioOverride(GPIO_DONE, CyTrue);
- CyU3PDeviceGpioOverride(GPIO_FX3_SCLK, CyTrue);
- CyU3PDeviceGpioOverride(GPIO_FX3_CE, CyTrue);
- CyU3PDeviceGpioOverride(GPIO_FX3_MISO, CyTrue);
- CyU3PDeviceGpioOverride(GPIO_FX3_MOSI, CyTrue);
-
- /* Configure GPIOs:
- * Outputs:
- * driveLowEn = True
- * driveHighEn = True
- * inputEn = False
- * Inputs:
- * driveLowEn = False
- * driveHighEn = False
- * outValue = Ignored
- */
- gpio_config.outValue = CyFalse;
- gpio_config.driveLowEn = CyTrue;
- gpio_config.driveHighEn = CyTrue;
- gpio_config.inputEn = CyFalse;
- gpio_config.intrMode = CY_U3P_GPIO_NO_INTR;
-
- CyU3PGpioSetSimpleConfig(GPIO_FPGA_RESET, &gpio_config);
- CyU3PGpioSetSimpleConfig(GPIO_SHDN_SW, &gpio_config);
- CyU3PGpioSetSimpleConfig(GPIO_FX3_SCLK, &gpio_config);
- CyU3PGpioSetSimpleConfig(GPIO_FX3_CE, &gpio_config);
- CyU3PGpioSetSimpleConfig(GPIO_FX3_MOSI, &gpio_config);
-
- /* Reconfigure the GPIO configure struct for inputs that do NOT require
- * interrupts attached to them. */
- gpio_config.outValue = CyFalse;
- gpio_config.inputEn = CyTrue;
- gpio_config.driveLowEn = CyFalse;
- gpio_config.driveHighEn = CyFalse;
- gpio_config.intrMode = CY_U3P_GPIO_NO_INTR;
-
- CyU3PGpioSetSimpleConfig(GPIO_FX3_MISO, &gpio_config);
- CyU3PGpioSetSimpleConfig(GPIO_AUX_PWR_ON, &gpio_config);
- CyU3PGpioSetSimpleConfig(GPIO_PROGRAM_B, &gpio_config);
- CyU3PGpioSetSimpleConfig(GPIO_INIT_B, &gpio_config);
- CyU3PGpioSetSimpleConfig(GPIO_DONE, &gpio_config);
-
- /* Initialize GPIO output values. */
- CyU3PGpioSetValue(GPIO_FPGA_RESET, 0);
- CyU3PGpioSetValue(GPIO_SHDN_SW, 1);
- CyU3PGpioSetValue(GPIO_FX3_SCLK, 0);
- CyU3PGpioSetValue(GPIO_FX3_CE, 1);
- CyU3PGpioSetValue(GPIO_FX3_MOSI, 0);
-
- // Disabled here as only useful once FPGA has been programmed
- //b200_enable_fpga_sb_gpio(CyTrue);
- //b200_start_fpga_sb_gpio(); // Set up SB USART
-}
-
-
-/*! Initializes and configures USB, and DMA.
- *
- * This function creates and connects the USB endpoints, and sets up the DMA
- * channels. After this is done, everything is 'running' on the FX3 chip, and
- * ready to receive data from the host. */
-void b200_fw_start(void) {
- msg("b200_fw_start");
-
- CyU3PDmaChannelConfig_t dma_channel_config;
- CyU3PEpConfig_t usb_endpoint_config;
- CyU3PUSBSpeed_t usb_speed;
- uint16_t max_packet_size = 0;
- uint16_t data_buffer_count = 0;
- uint16_t data_buffer_size = 0;
- uint16_t data_buffer_size_to_host = 0;
- uint16_t data_buffer_size_from_host = 0;
- uint8_t num_packets_per_burst = 0;
- CyU3PReturnStatus_t apiRetStatus = CY_U3P_SUCCESS;
-
- /* Based on the USB bus speed, configure the endpoint packet size
- * and the DMA buffer size */
- usb_speed = CyU3PUsbGetSpeed();
- switch(usb_speed) {
- case CY_U3P_FULL_SPEED:
- case CY_U3P_HIGH_SPEED:
- max_packet_size = 512;
- data_buffer_count = g_config.dma_buffer_count;
- data_buffer_size = g_config.dma_buffer_size;
- g_vendor_req_buff_size = USB2_VREQ_BUF_SIZE; // Max 64
- num_packets_per_burst = USB2_PACKETS_PER_BURST; // 1
-
- data_buffer_size_to_host = data_buffer_size_from_host = data_buffer_size;
-
- break;
-
- case CY_U3P_SUPER_SPEED:
-//#ifdef PREVENT_LOW_POWER_MODE
- apiRetStatus = CyU3PUsbLPMDisable(); // This still allows my laptop to sleep
-
- if (apiRetStatus != CY_U3P_SUCCESS)
- msg("! LPMDisable failed (%d)", apiRetStatus);
- else
- msg("LPMDisable OK");
-//#endif // PREVENT_LOW_POWER_MODE
- max_packet_size = 1024; // Per USB3 spec
-
- // SDK ver: total available buffer memory
- // 1.2.3: 204KB
- // 1.3.1: 188KB
-
- // These options should be ignored - data_buffer_count *MUST* be 1
- // They follow is kept for future testing
-
- // 1K
- //data_buffer_count = 64;
- //data_buffer_size = 1024;
-
- // 4K
- //data_buffer_count = 8;
- //data_buffer_size = 4096;
-
- // 8K
- //data_buffer_count = 4;
- //data_buffer_size = 4096*2;
-
- // 16K
- //data_buffer_count = 2*2;
- //data_buffer_size = 16384; // Default 16K
-
- // 32K
- //data_buffer_count = 2;
- //data_buffer_size = 16384*2;
-
- //data_buffer_count = 1;
- //data_buffer_size = ((1 << 16) - 1);
- //data_buffer_size = 16384;
- //data_buffer_size -= (data_buffer_size % 1024); // Align to 1K boundary
-
- data_buffer_count = g_config.dma_buffer_count;
- data_buffer_size = g_config.dma_buffer_size;
-
- data_buffer_size_to_host = data_buffer_size;
- data_buffer_size_from_host = data_buffer_size;
-
- g_vendor_req_buff_size = USB3_VREQ_BUF_SIZE; // Max 512
- num_packets_per_burst = USB3_PACKETS_PER_BURST; // 8
- break;
-
- case CY_U3P_NOT_CONNECTED:
- msg("! CY_U3P_NOT_CONNECTED");
- return;
-
- default:
- return;
- }
-
- msg("[DMA] to host: %d, from host: %d, depth: %d, burst size: %d", data_buffer_size_to_host, data_buffer_size_from_host, data_buffer_count, num_packets_per_burst);
-
-#ifdef ENABLE_MANUAL_DMA_XFER
- msg("[DMA] Callback enabled");
-
-#ifdef ENABLE_P2U_SUSP_EOP
- msg("[DMA] P2U_SUSP_EOP enabled");
-#endif // ENABLE_P2U_SUSP_EOP
-#ifdef ENABLE_MANUAL_DMA_XFER_FROM_HOST
- msg("[DMA] Manual transfers from host");
-#endif // ENABLE_MANUAL_DMA_XFER_FROM_HOST
-#ifdef ENABLE_MANUAL_DMA_XFER_TO_HOST
- msg("[DMA] Manual transfers to host");
-#endif // ENABLE_MANUAL_DMA_XFER_TO_HOST
-#ifdef ENABLE_DMA_BUFFER_PACKET_DEBUG
- msg("[DMA] Packet debugging enabled");
-#endif // ENABLE_DMA_BUFFER_PACKET_DEBUG
-
-#else
- msg("[DMA] AUTO transfer mode");
-#endif // ENABLE_MANUAL_DMA_XFER
-
- msg("[DMA] Transfer override: %s", (g_config.manual_dma ? "manual" : "auto"));
-
- /*************************************************************************
- * Slave FIFO Data DMA Channel Configuration
- *************************************************************************/
-
- /* Wipe out any old config. */
- CyU3PMemSet((uint8_t *) &usb_endpoint_config, 0, \
- sizeof(usb_endpoint_config));
-
- /* This is the configuration for the USB Producer and Consumer endpoints.
- *
- * The Producer endpoint is actually the endpoint on the FX3 that is
- * sending data BACK to the host. This endpoint enumerates as the
- * 'BULK IN' endpoint.
-
- * The Consumer endpoint is the endpoint on the FX3 that is
- * receiving data from the host. This endpoint enumerates as the
- * 'BULK OUT' endpoint.
- *
- * Note that this is opposite of what you might expect!. */
- usb_endpoint_config.enable = CyTrue;
- usb_endpoint_config.epType = CY_U3P_USB_EP_BULK;
- usb_endpoint_config.burstLen = num_packets_per_burst;
- usb_endpoint_config.streams = 0;
- usb_endpoint_config.pcktSize = max_packet_size;
-
- /* Configure the endpoints that we are using for slave FIFO transfers. */
- CyU3PSetEpConfig(DATA_ENDPOINT_PRODUCER, &usb_endpoint_config);
- CyU3PSetEpConfig(DATA_ENDPOINT_CONSUMER, &usb_endpoint_config);
-
- /* Create a DMA AUTO channel for U2P transfer.
- * DMA size is set based on the USB speed. */
- //dma_channel_config.size = data_buffer_size;
- dma_channel_config.size = data_buffer_size_from_host;
- dma_channel_config.count = data_buffer_count;
- dma_channel_config.prodSckId = PRODUCER_DATA_SOCKET;
- dma_channel_config.consSckId = DATA_TX_PPORT_SOCKET;
- dma_channel_config.dmaMode = CY_U3P_DMA_MODE_BYTE;
- dma_channel_config.notification = 0 |
-#if defined(ENABLE_MANUAL_DMA_XFER) && defined(ENABLE_MANUAL_DMA_XFER_FROM_HOST)
-CY_U3P_DMA_CB_XFER_CPLT |
-CY_U3P_DMA_CB_SEND_CPLT |
-CY_U3P_DMA_CB_RECV_CPLT |
-CY_U3P_DMA_CB_PROD_EVENT |
-CY_U3P_DMA_CB_CONS_EVENT |
-CY_U3P_DMA_CB_ABORTED |
-CY_U3P_DMA_CB_ERROR |
-CY_U3P_DMA_CB_PROD_SUSP |
-CY_U3P_DMA_CB_CONS_SUSP |
-#endif // ENABLE_MANUAL_DMA_XFER
- 0;
- //if (g_config.manual_dma == 0)
- // dma_channel_config.notification = 0; // Force all off is manual is disabled
- dma_channel_config.cb =
-#if defined(ENABLE_MANUAL_DMA_XFER) && defined(ENABLE_MANUAL_DMA_XFER_FROM_HOST)
- from_host_dma_callback;
-#else
- NULL;
-#endif // ENABLE_MANUAL_DMA_XFER
- dma_channel_config.prodHeader = 0;
- dma_channel_config.prodFooter = 0;
- dma_channel_config.consHeader = 0;
- dma_channel_config.prodAvailCount = 0;
-
- CyU3PDmaChannelCreate (&data_cons_to_prod_chan_handle,
-#if defined(ENABLE_MANUAL_DMA_XFER) && defined(ENABLE_MANUAL_DMA_XFER_FROM_HOST)
- (g_config.manual_dma ? /*CY_U3P_DMA_TYPE_AUTO_SIGNAL*/CY_U3P_DMA_TYPE_MANUAL : CY_U3P_DMA_TYPE_AUTO),
-#else
- CY_U3P_DMA_TYPE_AUTO,
-#endif // ENABLE_MANUAL_DMA_XFER
- &dma_channel_config);
-
- // By default these will adopt 'usb_endpoint_config.pcktSize'
- //CyU3PSetEpPacketSize(DATA_ENDPOINT_PRODUCER, 16384);
- //CyU3PSetEpPacketSize(DATA_ENDPOINT_CONSUMER, 16384);
-
- /* Create a DMA AUTO channel for P2U transfer. */
- dma_channel_config.size = data_buffer_size_to_host;
- dma_channel_config.prodSckId = DATA_RX_PPORT_SOCKET;
- dma_channel_config.consSckId = CONSUMER_DATA_SOCKET;
- dma_channel_config.notification = 0 |
-#if defined(ENABLE_MANUAL_DMA_XFER) && defined(ENABLE_MANUAL_DMA_XFER_TO_HOST)
-CY_U3P_DMA_CB_XFER_CPLT |
-CY_U3P_DMA_CB_SEND_CPLT |
-CY_U3P_DMA_CB_RECV_CPLT |
-CY_U3P_DMA_CB_PROD_EVENT |
-CY_U3P_DMA_CB_CONS_EVENT |
-CY_U3P_DMA_CB_ABORTED |
-CY_U3P_DMA_CB_ERROR |
-CY_U3P_DMA_CB_PROD_SUSP |
-CY_U3P_DMA_CB_CONS_SUSP |
-#endif // ENABLE_MANUAL_DMA_XFER
-#if defined(ENABLE_MANUAL_DMA_XFER) && defined(ENABLE_P2U_SUSP_EOP)
-CY_U3P_DMA_CB_CONS_SUSP | // For 'CyU3PDmaChannelSetSuspend' below
-#endif // ENABLE_P2U_SUSP_EOP
- 0;
- //if (g_config.manual_dma == 0)
- // dma_channel_config.notification = 0; // Force all off is manual is disabled
- dma_channel_config.cb =
-#if defined(ENABLE_MANUAL_DMA_XFER) && (defined(ENABLE_MANUAL_DMA_XFER_TO_HOST) || defined(ENABLE_P2U_SUSP_EOP))
- to_host_dma_callback;
-#else
- NULL;
-#endif // ENABLE_MANUAL_DMA_XFER
- CyU3PDmaChannelCreate (&data_prod_to_cons_chan_handle,
-#if defined(ENABLE_MANUAL_DMA_XFER) && defined(ENABLE_MANUAL_DMA_XFER_TO_HOST)
- (g_config.manual_dma ? /*CY_U3P_DMA_TYPE_AUTO_SIGNAL*/CY_U3P_DMA_TYPE_MANUAL : CY_U3P_DMA_TYPE_AUTO),
-#else
- CY_U3P_DMA_TYPE_AUTO,
-#endif // ENABLE_MANUAL_DMA_XFER
- &dma_channel_config);
-#ifdef ENABLE_P2U_SUSP_EOP
- CyU3PDmaChannelSetSuspend(&data_prod_to_cons_chan_handle, CY_U3P_DMA_SCK_SUSP_NONE, CY_U3P_DMA_SCK_SUSP_EOP);
-#endif // ENABLE_P2U_SUSP_EOP
- /* Flush the Endpoint memory */
- CyU3PUsbFlushEp(DATA_ENDPOINT_PRODUCER);
- CyU3PUsbFlushEp(DATA_ENDPOINT_CONSUMER);
-
- /* Set DMA channel transfer size. */
- CyU3PDmaChannelSetXfer(&data_cons_to_prod_chan_handle, DMA_SIZE_INFINITE);
- CyU3PDmaChannelSetXfer(&data_prod_to_cons_chan_handle, DMA_SIZE_INFINITE);
-
-
- /*************************************************************************
- * Slave FIFO Control DMA Channel Configuration
- *************************************************************************/
-
- /* Wipe out any old config. */
- CyU3PMemSet((uint8_t *) &usb_endpoint_config, 0, \
- sizeof(usb_endpoint_config));
-
- /* This is the configuration for the USB Producer and Consumer endpoints.
- *
- * The Producer endpoint is actually the endpoint on the FX3 that is
- * sending data BACK to the host. This endpoint enumerates as the
- * 'BULK IN' endpoint.
-
- * The Consumer endpoint is the endpoint on the FX3 that is
- * receiving data from the host. This endpoint enumerates as the
- * 'BULK OUT' endpoint.
- *
- * Note that this is opposite of what you might expect!. */
- usb_endpoint_config.enable = CyTrue;
- usb_endpoint_config.epType = CY_U3P_USB_EP_BULK;
- usb_endpoint_config.burstLen = num_packets_per_burst;
- usb_endpoint_config.streams = 0;
- usb_endpoint_config.pcktSize = max_packet_size;
-
- /* Configure the endpoints that we are using for slave FIFO transfers. */
- CyU3PSetEpConfig(CTRL_ENDPOINT_PRODUCER, &usb_endpoint_config);
- CyU3PSetEpConfig(CTRL_ENDPOINT_CONSUMER, &usb_endpoint_config);
-
- /* Create a DMA AUTO channel for U2P transfer.
- * DMA size is set based on the USB speed. */
- dma_channel_config.size = max_packet_size;
- dma_channel_config.count = 2;
- dma_channel_config.prodSckId = PRODUCER_CTRL_SOCKET;
- dma_channel_config.consSckId = CTRL_COMM_PPORT_SOCKET;
- dma_channel_config.dmaMode = CY_U3P_DMA_MODE_BYTE;
- dma_channel_config.notification = 0;
- dma_channel_config.cb = NULL;
- dma_channel_config.prodHeader = 0;
- dma_channel_config.prodFooter = 0;
- dma_channel_config.consHeader = 0;
- dma_channel_config.prodAvailCount = 0;
-
- CyU3PDmaChannelCreate (&ctrl_cons_to_prod_chan_handle,
- CY_U3P_DMA_TYPE_AUTO, &dma_channel_config);
-
- /* Create a DMA AUTO channel for P2U transfer. */
- dma_channel_config.prodSckId = CTRL_RESP_PPORT_SOCKET;
- dma_channel_config.consSckId = CONSUMER_CTRL_SOCKET;
- dma_channel_config.cb = NULL;
- CyU3PDmaChannelCreate (&ctrl_prod_to_cons_chan_handle,
- CY_U3P_DMA_TYPE_AUTO, &dma_channel_config);
-
- /* Flush the Endpoint memory */
- CyU3PUsbFlushEp(CTRL_ENDPOINT_PRODUCER);
- CyU3PUsbFlushEp(CTRL_ENDPOINT_CONSUMER);
-
- /* Set DMA channel transfer size. */
- CyU3PDmaChannelSetXfer(&ctrl_cons_to_prod_chan_handle, DMA_SIZE_INFINITE);
- CyU3PDmaChannelSetXfer(&ctrl_prod_to_cons_chan_handle, DMA_SIZE_INFINITE);
-
- //CyU3PUsbEnableEPPrefetch(); // To address USB_EVENT_EP_UNDERRUN on EP 0x86 (didn't fix it though)
-
- /* Update the application status flag. */
- g_app_running = CyTrue;
-}
-
-
-/*! This callback is invoked when the FX3 detects a USB event.
- *
- * We currently handle SETCONF, RESET, and DISCONNECT.
- *
- * We are _not_ handling SUSPEND or CONNECT.
- */
-void event_usb_callback (CyU3PUsbEventType_t event_type, uint16_t event_data) {
-
- switch(event_type) {
- case CY_U3P_USB_EVENT_SETCONF:
- msg("USB_EVENT_SETCONF (#%d)", event_data); //evData provides the configuration number that is selected by the host.
- if(g_app_running) {
- b200_fw_stop();
- }
-
- b200_fw_start();
- break;
-
- case CY_U3P_USB_EVENT_RESET:
- case CY_U3P_USB_EVENT_DISCONNECT:
- if (event_type == CY_U3P_USB_EVENT_RESET)
- msg("USB_EVENT_RESET");
- else
- msg("USB_EVENT_DISCONNECT");
- if(g_app_running) {
- b200_fw_stop();
- }
- break;
-
- case CY_U3P_USB_EVENT_CONNECT:
- msg("USB_EVENT_CONNECT");
- break;
-
- case CY_U3P_USB_EVENT_SUSPEND:
- msg("USB_EVENT_SUSPEND");
- break;
-
- case CY_U3P_USB_EVENT_RESUME: // Known issue: this is called repeatedly after a resume
- //msg("USB_EVENT_RESUME");
- g_counters.resume_count++; // Not locked
- break;
-
- case CY_U3P_USB_EVENT_SPEED:
- msg("USB_EVENT_SPEED");
- break;
-
- case CY_U3P_USB_EVENT_SETINTF:
- msg("USB_EVENT_SETINTF");
- break;
-
- case CY_U3P_USB_EVENT_SET_SEL:
- msg("USB_EVENT_SET_SEL");
- break;
-
- case CY_U3P_USB_EVENT_SOF_ITP: // CyU3PUsbEnableITPEvent
- //msg("USB_EVENT_SOF_ITP");
- break;
-
- case CY_U3P_USB_EVENT_EP0_STAT_CPLT:
- //msg("USB_EVENT_EP0_STAT_CPLT"); // Occurs each time there's a control transfer
- break;
-
- case CY_U3P_USB_EVENT_VBUS_VALID:
- msg("USB_EVENT_VBUS_VALID");
- break;
-
- case CY_U3P_USB_EVENT_VBUS_REMOVED:
- msg("USB_EVENT_VBUS_REMOVED");
- break;
-
- case CY_U3P_USB_EVENT_HOST_CONNECT:
- msg("USB_EVENT_HOST_CONNECT");
- break;
-
- case CY_U3P_USB_EVENT_HOST_DISCONNECT:
- msg("USB_EVENT_HOST_DISCONNECT");
- break;
-
- case CY_U3P_USB_EVENT_OTG_CHANGE:
- msg("USB_EVENT_OTG_CHANGE");
- break;
-
- case CY_U3P_USB_EVENT_OTG_VBUS_CHG:
- msg("USB_EVENT_OTG_VBUS_CHG");
- break;
-
- case CY_U3P_USB_EVENT_OTG_SRP:
- msg("USB_EVENT_OTG_SRP");
- break;
-
- case CY_U3P_USB_EVENT_EP_UNDERRUN: // See SDK 1.3 known issues 17 if this happens (can probably ignore first logged occurence)
- LOCK(g_counters_lock);
- ++g_counters.usb_ep_underrun_count;
- UNLOCK(g_counters_lock);
-
- msg("! USB_EVENT_EP_UNDERRUN on EP 0x%02x", event_data);
- break;
-
- case CY_U3P_USB_EVENT_LNK_RECOVERY:
- msg("USB_EVENT_LNK_RECOVERY");
- break;
-#if (CYFX_VERSION_MAJOR >= 1) && (CYFX_VERSION_MINOR >= 3)
- case CY_U3P_USB_EVENT_USB3_LNKFAIL:
- msg("USB_EVENT_USB3_LNKFAIL");
- break;
-
- case CY_U3P_USB_EVENT_SS_COMP_ENTRY:
- msg("USB_EVENT_SS_COMP_ENTRY");
- break;
-
- case CY_U3P_USB_EVENT_SS_COMP_EXIT:
- msg("USB_EVENT_SS_COMP_EXIT");
- break;
-#endif // (CYFX_VERSION_MAJOR >= 1) && (CYFX_VERSION_MINOR >= 3)
-
- default:
- msg("! Unhandled USB event");
- break;
- }
-}
-
-
-/*! Callback function that is invoked when a USB setup event occurs.
- *
- * We aren't actually handling the USB setup ourselves, but rather letting the
- * USB driver take care of it since the default options work fine. The purpose
- * of this function is to register that the event happened at all, so that the
- * application thread knows it can proceed.
- *
- * This function is also responsible for receiving vendor requests, and triggering
- * the appropriate RTOS event to wake up the vendor request handler thread.
- */
-CyBool_t usb_setup_callback(uint32_t data0, uint32_t data1) {
- STATIC_SAVER uint8_t bRequestType, bRequest, bType, bTarget, i2cAddr;
- STATIC_SAVER uint16_t wValue, wIndex, wLength;
-
- CyBool_t handled = CyFalse;
-
- /* Decode the fields from the setup request. */
- bRequestType = (uint8_t)(data0 & CY_U3P_USB_REQUEST_TYPE_MASK);
- bType = (uint8_t)(bRequestType & CY_U3P_USB_TYPE_MASK);
- bTarget = (uint8_t)(bRequestType & CY_U3P_USB_TARGET_MASK);
- bRequest = (uint8_t)((data0 & CY_U3P_USB_REQUEST_MASK) >> CY_U3P_USB_REQUEST_POS);
- wValue = (uint16_t)((data0 & CY_U3P_USB_VALUE_MASK) >> CY_U3P_USB_VALUE_POS);
- wIndex = (uint16_t)((data1 & CY_U3P_USB_INDEX_MASK) >> CY_U3P_USB_INDEX_POS);
- wLength = (uint16_t)((data1 & CY_U3P_USB_LENGTH_MASK) >> CY_U3P_USB_LENGTH_POS);
-
- if(bType == CY_U3P_USB_STANDARD_RQT) {
- /* Handle SET_FEATURE(FUNCTION_SUSPEND) and CLEAR_FEATURE(FUNCTION_SUSPEND)
- * requests here. It should be allowed to pass if the device is in configured
- * state and failed otherwise. */
- if((bTarget == CY_U3P_USB_TARGET_INTF) \
- && ((bRequest == CY_U3P_USB_SC_SET_FEATURE) \
- || (bRequest == CY_U3P_USB_SC_CLEAR_FEATURE)) && (wValue == 0)) {
-
- if(g_app_running) {
- CyU3PUsbAckSetup();
- msg("ACK set/clear");
- } else {
- CyU3PUsbStall(0, CyTrue, CyFalse);
- msg("! STALL set/clear");
- }
-
- handled = CyTrue;
- }
-
- /* Handle Microsoft OS String Descriptor request. */
- if((bTarget == CY_U3P_USB_TARGET_DEVICE) \
- && (bRequest == CY_U3P_USB_SC_GET_DESCRIPTOR) \
- && (wValue == ((CY_U3P_USB_STRING_DESCR << 8) | 0xEE))) {
- /* Make sure we do not send more data than requested. */
- if(wLength > b200_usb_product_desc[0]) {
- wLength = b200_usb_product_desc[0];
- }
-
- //msg("MS string desc");
-
- CyU3PUsbSendEP0Data(wLength, ((uint8_t *) b200_usb_product_desc));
- handled = CyTrue;
- }
-
- /* CLEAR_FEATURE request for endpoint is always passed to the setup callback
- * regardless of the enumeration model used. When a clear feature is received,
- * the previous transfer has to be flushed and cleaned up. This is done at the
- * protocol level. Since this is just a loopback operation, there is no higher
- * level protocol. So flush the EP memory and reset the DMA channel associated
- * with it. If there are more than one EP associated with the channel reset both
- * the EPs. The endpoint stall and toggle / sequence number is also expected to be
- * reset. Return CyFalse to make the library clear the stall and reset the endpoint
- * toggle. Or invoke the CyU3PUsbStall (ep, CyFalse, CyTrue) and return CyTrue.
- * Here we are clearing the stall. */
- if((bTarget == CY_U3P_USB_TARGET_ENDPT) \
- && (bRequest == CY_U3P_USB_SC_CLEAR_FEATURE)
- && (wValue == CY_U3P_USBX_FS_EP_HALT)) {
- if(g_app_running) {
- if(wIndex == DATA_ENDPOINT_PRODUCER) {
- CyU3PDmaChannelReset(&data_cons_to_prod_chan_handle);
- CyU3PUsbFlushEp(DATA_ENDPOINT_PRODUCER);
- CyU3PUsbResetEp(DATA_ENDPOINT_PRODUCER);
- CyU3PDmaChannelSetXfer(&data_cons_to_prod_chan_handle, \
- DMA_SIZE_INFINITE);
- CyU3PUsbStall(wIndex, CyFalse, CyTrue);
- handled = CyTrue;
- CyU3PUsbAckSetup();
-
- msg("Clear DATA_ENDPOINT_PRODUCER");
- }
-
- if(wIndex == DATA_ENDPOINT_CONSUMER) {
- CyU3PDmaChannelReset(&data_prod_to_cons_chan_handle);
- CyU3PUsbFlushEp(DATA_ENDPOINT_CONSUMER);
- CyU3PUsbResetEp(DATA_ENDPOINT_CONSUMER);
- CyU3PDmaChannelSetXfer(&data_prod_to_cons_chan_handle, \
- DMA_SIZE_INFINITE);
- CyU3PUsbStall(wIndex, CyFalse, CyTrue);
- handled = CyTrue;
- CyU3PUsbAckSetup();
-
- msg("Clear DATA_ENDPOINT_CONSUMER");
- }
-
- if(wIndex == CTRL_ENDPOINT_PRODUCER) {
- CyU3PDmaChannelReset(&ctrl_cons_to_prod_chan_handle);
- CyU3PUsbFlushEp(CTRL_ENDPOINT_PRODUCER);
- CyU3PUsbResetEp(CTRL_ENDPOINT_PRODUCER);
- CyU3PDmaChannelSetXfer(&ctrl_cons_to_prod_chan_handle, \
- DMA_SIZE_INFINITE);
- CyU3PUsbStall(wIndex, CyFalse, CyTrue);
- handled = CyTrue;
- CyU3PUsbAckSetup();
-
- msg("Clear CTRL_ENDPOINT_PRODUCER");
- }
-
- if(wIndex == CTRL_ENDPOINT_CONSUMER) {
- CyU3PDmaChannelReset(&ctrl_prod_to_cons_chan_handle);
- CyU3PUsbFlushEp(CTRL_ENDPOINT_CONSUMER);
- CyU3PUsbResetEp(CTRL_ENDPOINT_CONSUMER);
- CyU3PDmaChannelSetXfer(&ctrl_prod_to_cons_chan_handle, \
- DMA_SIZE_INFINITE);
- CyU3PUsbStall(wIndex, CyFalse, CyTrue);
- handled = CyTrue;
- CyU3PUsbAckSetup();
-
- msg("Clear CTRL_ENDPOINT_CONSUMER");
- }
- }
- }
- }
- /* This must be & and not == so that we catch VREQs that are both 'IN' and
- * 'OUT' in direction. */
- else if(bRequestType & CY_U3P_USB_VENDOR_RQT) {
-
- handled = CyTrue;
- uint16_t read_count = 0;
-
- switch(bRequest) {
- case B200_VREQ_BITSTREAM_START: {
- CyU3PUsbGetEP0Data(1, g_vendor_req_buffer, &read_count);
-
- g_fpga_programming_write_count = 0;
-
- CyU3PEventSet(&g_event_usb_config, EVENT_BITSTREAM_START, \
- CYU3P_EVENT_OR);
- break;
- }
-
- case B200_VREQ_BITSTREAM_DATA: {
- CyU3PUsbGetEP0Data(g_vendor_req_buff_size, g_vendor_req_buffer, \
- &read_count);
-
- if (g_fx3_state == STATE_CONFIGURING_FPGA) {
- ++g_fpga_programming_write_count;
- CyU3PSpiTransmitWords(g_vendor_req_buffer, read_count);
- CyU3PThreadSleep(1); // Newer controllers don't have an issue when this short sleep here
- }
- break;
- }
-
- case B200_VREQ_BITSTREAM_DATA_FILL: {
- CyU3PUsbGetEP0Data(g_vendor_req_buff_size, g_vendor_req_buffer, &g_vendor_req_read_count);
- break;
- }
-
- case B200_VREQ_BITSTREAM_DATA_COMMIT: {
- /*CyU3PReturnStatus_t*/int spi_result = -1;
- if (g_fx3_state == STATE_CONFIGURING_FPGA) {
- ++g_fpga_programming_write_count;
- spi_result = CyU3PSpiTransmitWords(g_vendor_req_buffer, g_vendor_req_read_count);
- CyU3PThreadSleep(1); // 20 MHz, 512 bytes
- }
- CyU3PUsbSendEP0Data(sizeof(spi_result), (uint8_t*)&spi_result);
- break;
- }
-
- case B200_VREQ_FPGA_CONFIG: {
- CyU3PUsbGetEP0Data(1, g_vendor_req_buffer, &read_count);
-
- CyU3PEventSet(&g_event_usb_config, EVENT_FPGA_CONFIG, CYU3P_EVENT_OR);
- break;
- }
-
- case B200_VREQ_GET_COMPAT: {
- CyU3PUsbSendEP0Data(/*2*/sizeof(compat_num), compat_num);
- break;
- }
-
- case B200_VREQ_SET_FPGA_HASH: {
- CyU3PUsbGetEP0Data(4, fpga_hash, &read_count);
- break;
- }
-
- case B200_VREQ_GET_FPGA_HASH: {
- CyU3PUsbSendEP0Data(/*4*/sizeof(fpga_hash), fpga_hash);
- break;
- }
-
- case B200_VREQ_SET_FW_HASH: {
- CyU3PUsbGetEP0Data(4, fw_hash, &read_count);
- break;
- }
-
- case B200_VREQ_GET_FW_HASH: {
- CyU3PUsbSendEP0Data(/*4*/sizeof(fw_hash), fw_hash);
- break;
- }
-
- case B200_VREQ_LOOP_CODE: {
- CyU3PUsbSendEP0Data(g_vendor_req_buff_size, g_vendor_req_buffer);
- break;
- }
-
- case B200_VREQ_GET_LOG: {
- LOCK(g_log_lock);
-
- if (log_buffer_len == 0) {
- log_buffer[0] = '\0';
- CyU3PUsbSendEP0Data(1, (uint8_t*)log_buffer);
- //CyU3PUsbSendEP0Data(0, NULL);
- //CyU3PUsbAckSetup();
- }
- else if (log_buffer_idx == 0)
- CyU3PUsbSendEP0Data(log_buffer_len, (uint8_t*)log_buffer);
- else {
- int len1 = min(LOG_BUFFER_SIZE - log_buffer_idx, log_buffer_len);
- memcpy(log_contiguous_buffer, log_buffer + log_buffer_idx, len1);
- //if ((log_buffer_idx + log_buffer_len) > LOG_BUFFER_SIZE)
- if (len1 < log_buffer_len)
- memcpy(log_contiguous_buffer + len1, log_buffer, log_buffer_len - len1);
- CyU3PUsbSendEP0Data(log_buffer_len, (uint8_t*)log_contiguous_buffer);
- }
-
- // FIXME: Necessary? Not used in the other ones
- //CyU3PUsbSendEP0Data(0, NULL); // Send ZLP since previous send has resulted in an integral # of packets
-
- log_reset();
-
- UNLOCK(g_log_lock);
-
- //log_reset();
-
- break;
- }
-
- case B200_VREQ_GET_COUNTERS: {
- LOCK(g_counters_lock);
-
- CyU3PUsbSendEP0Data(sizeof(COUNTERS), (uint8_t*)&g_counters);
-
- counters_auto_reset();
-
- UNLOCK(g_counters_lock);
-
- //counters_auto_reset();
-
- break;
- }
-
- case B200_VREQ_CLEAR_COUNTERS: {
- CyU3PUsbAckSetup();
- //CyU3PUsbGetEP0Data(g_vendor_req_buff_size, g_vendor_req_buffer, &read_count); // Dummy
-
- counters_dma_reset();
-
- break;
- }
-
- case B200_VREQ_GET_USB_EVENT_LOG: {
- uint16_t idx = CyU3PUsbGetEventLogIndex(); // Current *write* pointer
- if (idx > (USB_EVENT_LOG_SIZE-1)) {
- msg("! USB event log idx = %i", (int)idx);
- break;
- }
- // Assuming logging won't wrap around between get calls (i.e. buffer should be long enough)
- uint16_t len = 0;
- if (idx < g_last_usb_event_log_index) {
- uint16_t len1 = (USB_EVENT_LOG_SIZE - g_last_usb_event_log_index);
- if (len1 > (USB_EVENT_LOG_SIZE-1)) {
- msg("! USB event log len 2.1 = %i", (int)len1);
- break;
- }
- len = len1 + idx;
- if (len > (USB_EVENT_LOG_SIZE-1)) {
- msg("! USB event log len 2.2 = %i", (int)len);
- break;
- }
- memcpy(g_usb_event_log_contiguous_buf, g_usb_event_log + g_last_usb_event_log_index, len1);
- memcpy(g_usb_event_log_contiguous_buf + len1, g_usb_event_log, idx);
- //msg("USB event log [2] %i %i", (int)len1, (int)len);
- } else {
- len = idx - g_last_usb_event_log_index;
- if (len > (USB_EVENT_LOG_SIZE-1)) {
- msg("! USB event log len 1 = %i", (int)len);
- break;
- }
- if (len > 0) { // ZLP should be OK
- memcpy(g_usb_event_log_contiguous_buf, g_usb_event_log + g_last_usb_event_log_index, len);
- //msg("USB event log [1] %i", (int)len);
- }
- }
-
- //if (len > 0) // Send a ZLP, otherwise it'll timeout
- CyU3PUsbSendEP0Data(len, g_usb_event_log_contiguous_buf);
-
- g_last_usb_event_log_index = idx;
- break;
- }
-
- case B200_VREQ_SET_CONFIG: {
- CyU3PUsbGetEP0Data(sizeof(CONFIG_MOD), (uint8_t*)g_vendor_req_buffer, &read_count);
- if (read_count == sizeof(CONFIG_MOD)) {
- memcpy(&g_config_mod, g_vendor_req_buffer, sizeof(CONFIG_MOD));
- CyU3PEventSet(&g_event_usb_config, EVENT_RE_ENUM, CYU3P_EVENT_OR);
- }
- break;
- }
-
- case B200_VREQ_GET_CONFIG: {
- CyU3PUsbSendEP0Data(sizeof(g_config), (uint8_t*)&g_config);
- break;
- }
-
- case B200_VREQ_WRITE_SB: {
- CyU3PUsbGetEP0Data(g_vendor_req_buff_size, (uint8_t*)g_vendor_req_buffer, &read_count);
-#ifdef ENABLE_FPGA_SB
- uint16_t i;
- LOCK(g_suart_lock);
- for (i = 0; i < read_count; ++i)
- sb_write(SUART_TXCHAR, g_vendor_req_buffer[i]);
- UNLOCK(g_suart_lock);
-
- msg("Wrote %d SB chars", read_count);
-#else
- msg("SB is disabled");
-#endif // ENABLE_FPGA_SB
- break;
- }
-
- case B200_VREQ_SET_SB_BAUD_DIV: {
- uint16_t div;
- CyU3PUsbGetEP0Data(sizeof(div), (uint8_t*)&div, &read_count);
-
- if (read_count == sizeof(div)) {
-#ifdef ENABLE_FPGA_SB
- LOCK(g_suart_lock);
- sb_write(SUART_CLKDIV, div);
- UNLOCK(g_suart_lock);
- msg("SUART_CLKDIV = %d", div);
- /*g_fpga_sb_uart_div*/g_config.sb_baud_div = div; // Store for GPIF (FPGA) reset
-#else
- msg("SB is disabled");
-#endif // ENABLE_FPGA_SB
- }
- else
- msg("! SUART_CLKDIV received %d bytes", read_count);
-
- break;
- }
-
- case B200_VREQ_FLUSH_DATA_EPS: {
- //msg("Flushing data EPs...");
-
- //CyU3PUsbAckSetup();
-
- //CyU3PUsbResetEndpointMemories();
-
- // From host
- //CyU3PDmaChannelReset(&data_cons_to_prod_chan_handle);
- //CyU3PUsbFlushEp(DATA_ENDPOINT_PRODUCER);
- //CyU3PUsbResetEp(DATA_ENDPOINT_PRODUCER);
- //CyU3PDmaChannelSetXfer(&data_cons_to_prod_chan_handle, DMA_SIZE_INFINITE);
-
- //CyU3PDmaSocketDisable(DATA_RX_PPORT_SOCKET);
-
- //CyU3PDmaChannelReset(&data_cons_to_prod_chan_handle);
- if (CyU3PDmaChannelReset(&data_prod_to_cons_chan_handle) != CY_U3P_SUCCESS)
- {
- msg("! CyU3PDmaChannelReset");
- }
- //CyU3PUsbFlushEp(DATA_ENDPOINT_PRODUCER);
- CyU3PUsbFlushEp(DATA_ENDPOINT_CONSUMER);
- //CyU3PUsbResetEp(DATA_ENDPOINT_PRODUCER);
-// CyU3PUsbResetEp(DATA_ENDPOINT_CONSUMER);
- //CyU3PUsbStall(DATA_ENDPOINT_CONSUMER, CyFalse, CyTrue);
- //CyU3PDmaChannelSetXfer(&data_cons_to_prod_chan_handle, DMA_SIZE_INFINITE);
- //CyU3PDmaSocketEnable(DATA_RX_PPORT_SOCKET);
- CyU3PDmaChannelSetXfer(&data_prod_to_cons_chan_handle, DMA_SIZE_INFINITE);
-
- //CyU3PUsbResetEndpointMemories();
-
- // To host
- //CyU3PDmaChannelReset(&data_prod_to_cons_chan_handle);
- //CyU3PUsbFlushEp(DATA_ENDPOINT_CONSUMER);
- //CyU3PUsbResetEp(DATA_ENDPOINT_CONSUMER);
- //CyU3PDmaChannelSetXfer(&data_prod_to_cons_chan_handle, DMA_SIZE_INFINITE);
-
- CyU3PUsbAckSetup();
-
- break;
- }
-
- case B200_VREQ_EEPROM_WRITE: {
- i2cAddr = 0xA0 | ((wValue & 0x0007) << 1);
- CyU3PUsbGetEP0Data(((wLength + 15) & 0xFFF0), g_vendor_req_buffer, NULL);
-
- CyFxUsbI2cTransfer (wIndex, i2cAddr, wLength,
- g_vendor_req_buffer, CyFalse);
- break;
- }
-
- case B200_VREQ_EEPROM_READ: {
- i2cAddr = 0xA0 | ((wValue & 0x0007) << 1);
- CyU3PMemSet (g_vendor_req_buffer, 0, sizeof (g_vendor_req_buffer));
- CyFxUsbI2cTransfer (wIndex, i2cAddr, wLength,
- g_vendor_req_buffer, CyTrue);
-
- CyU3PUsbSendEP0Data(wLength, g_vendor_req_buffer);
- break;
- }
-
- case B200_VREQ_TOGGLE_FPGA_RESET: {
- CyU3PUsbGetEP0Data(g_vendor_req_buff_size, g_vendor_req_buffer, \
- &read_count);
-
- /* CyBool_t value = (g_vendor_req_buffer[0] & 0x01) ? CyTrue : CyFalse;
- CyU3PGpioSetValue(GPIO_FPGA_RESET, value); */
- break;
- }
-
- case B200_VREQ_TOGGLE_GPIF_RESET: {
- CyU3PUsbGetEP0Data(g_vendor_req_buff_size, g_vendor_req_buffer, \
- &read_count);
-
- reset_gpif();
- break;
- }
-
- case B200_VREQ_RESET_DEVICE: {
- CyU3PUsbGetEP0Data(4, g_vendor_req_buffer, &read_count);
-
- CyU3PDeviceReset(CyFalse); // FIXME: If CyTrue, this will *not* call static initialisers for global variables - must do this manually
- break;
- }
-
- case B200_VREQ_GET_USB_SPEED: {
- CyU3PUSBSpeed_t usb_speed = CyU3PUsbGetSpeed();
- switch(usb_speed) {
- case CY_U3P_SUPER_SPEED:
- g_vendor_req_buffer[0] = 3;
- break;
-
- case CY_U3P_FULL_SPEED:
- case CY_U3P_HIGH_SPEED:
- g_vendor_req_buffer[0] = 2;
- break;
-
- default:
- g_vendor_req_buffer[0] = 1;
- break;
- }
-
- CyU3PUsbSendEP0Data(1, g_vendor_req_buffer);
- break;
- }
-
- case B200_VREQ_GET_STATUS: {
- g_vendor_req_buffer[0] = g_fx3_state;
- CyU3PUsbSendEP0Data(1, g_vendor_req_buffer);
- break;
- }
-
- default:
- msg("! Unknown VREQ %02X", (uint32_t)bRequest);
- handled = CyFalse;
- }
-
- /* After processing the vendor request, flush the endpoints. */
- CyU3PUsbFlushEp(VREQ_ENDPOINT_PRODUCER);
- CyU3PUsbFlushEp(VREQ_ENDPOINT_CONSUMER);
- }
-
- return handled;
-}
-
-
-/* Callback function to handle LPM requests from the USB 3.0 host. This function
- * is invoked by the API whenever a state change from U0 -> U1 or U0 -> U2
- * happens.
- *
- * If we return CyTrue from this function, the FX3 device is retained
- * in the low power state. If we return CyFalse, the FX3 device immediately
- * tries to trigger an exit back to U0.
- */
-CyBool_t lpm_request_callback(CyU3PUsbLinkPowerMode link_mode) {
- msg("! lpm_request_callback = %i", link_mode);
- return
-//#ifdef PREVENT_LOW_POWER_MODE
- CyFalse; // This still allows my laptop to sleep
-//#else
-// CyTrue;
-//#endif // PREVENT_LOW_POWER_MODE
-}
-
-
-/* Callback function to check for PIB ERROR*/
-void gpif_error_cb(CyU3PPibIntrType cbType, uint16_t cbArg)
-{
- if (cbType==CYU3P_PIB_INTR_ERROR)
- {
- switch (CYU3P_GET_PIB_ERROR_TYPE(cbArg))
- {
- case CYU3P_PIB_ERR_NONE:
- break;
- case CYU3P_PIB_ERR_THR0_WR_OVERRUN:
- msg("CYU3P_PIB_ERR_THR0_WR_OVERRUN");
- break;
- case CYU3P_PIB_ERR_THR1_WR_OVERRUN:
- msg("CYU3P_PIB_ERR_THR1_WR_OVERRUN");
- break;
- case CYU3P_PIB_ERR_THR2_WR_OVERRUN:
- msg("CYU3P_PIB_ERR_THR2_WR_OVERRUN");
- break;
- case CYU3P_PIB_ERR_THR3_WR_OVERRUN:
- msg("CYU3P_PIB_ERR_THR3_WR_OVERRUN");
- break;
- case CYU3P_PIB_ERR_THR0_RD_UNDERRUN:
- msg("CYU3P_PIB_ERR_THR0_RD_UNDERRUN");
- break;
- case CYU3P_PIB_ERR_THR1_RD_UNDERRUN:
- msg("CYU3P_PIB_ERR_THR1_RD_UNDERRUN");
- break;
- case CYU3P_PIB_ERR_THR2_RD_UNDERRUN:
- msg("CYU3P_PIB_ERR_THR2_RD_UNDERRUN");
- break;
- case CYU3P_PIB_ERR_THR3_RD_UNDERRUN:
- msg("CYU3P_PIB_ERR_THR3_RD_UNDERRUN");
- break;
- case CYU3P_PIB_ERR_THR0_ADAP_UNDERRUN:
- msg("CYU3P_PIB_ERR_THR0_ADAP_UNDERRUN");
- break;
- case CYU3P_PIB_ERR_THR1_ADAP_OVERRUN:
- msg("CYU3P_PIB_ERR_THR1_ADAP_OVERRUN");
- break;
- // FIXME: Other threads
- case CYU3P_PIB_ERR_THR1_SCK_INACTIVE:
- //msg("CYU3P_PIB_ERR_THR1_SCK_INACTIVE");
- ++g_counters.pib_counters[1].socket_inactive; // UNSYNC'd
- break;
- default:
- msg("Unknown CYU3P_PIB_ERR %i", CYU3P_GET_PIB_ERROR_TYPE(cbArg));
- break;
- }
-
- switch (CYU3P_GET_GPIF_ERROR_TYPE(cbArg))
- {
- case CYU3P_GPIF_ERR_NONE: /**< No GPIF state machine errors. */
- //msg("CYU3P_GPIF_ERR_NONE");
- break;
- case CYU3P_GPIF_ERR_INADDR_OVERWRITE: /**< Content of INGRESS_ADDR register is overwritten before read. */
- msg("CYU3P_GPIF_ERR_INADDR_OVERWRITE");
- break;
- case CYU3P_GPIF_ERR_EGADDR_INVALID: /**< Attempt to read EGRESS_ADDR register before it is written to. */
- msg("CYU3P_GPIF_ERR_EGADDR_INVALID");
- break;
- case CYU3P_GPIF_ERR_DATA_READ_ERR: /**< Read from DMA data thread which is not ready. */
- msg("CYU3P_GPIF_ERR_DATA_READ_ERR");
- break;
- case CYU3P_GPIF_ERR_DATA_WRITE_ERR: /**< Write to DMA data thread which is not ready. */
- msg("CYU3P_GPIF_ERR_DATA_WRITE_ERR");
- break;
- case CYU3P_GPIF_ERR_ADDR_READ_ERR: /**< Read from DMA address thread which is not ready. */
- msg("CYU3P_GPIF_ERR_ADDR_READ_ERR");
- break;
- case CYU3P_GPIF_ERR_ADDR_WRITE_ERR: /**< Write to DMA address thread which is not ready. */
- msg("CYU3P_GPIF_ERR_ADDR_WRITE_ERR");
- break;
- case CYU3P_GPIF_ERR_INVALID_STATE: /**< GPIF state machine has reached an invalid state. */
- //msg("CYU3P_GPIF_ERR_INVALID_STATE");
- ++g_counters.invalid_gpif_state; // UNSYNC'd
- break;
- default:
- msg("Unknown CYU3P_GPIF_ERR %i", CYU3P_GET_GPIF_ERROR_TYPE(cbArg));
- break;
- }
- }
-}
-
-
-void GpifStateChangeCb(uint8_t stateId)
-{
- //msg("%d", stateId);
- ++g_counters.state_transition_count;
-}
-
-
-/*! Initialize and start the GPIF state machine.
- *
- * This function starts the GPIF Slave FIFO state machine on the FX3. Because on
- * of the GPIF pins is used for FPGA configuration, this cannot be done until
- * after FPGA configuration is complete. */
-void b200_gpif_init(void) {
- msg("b200_gpif_init");
-
- CyU3PPibClock_t pib_clock_config;
-
- /* Initialize the p-port block; disable DLL for sync GPIF. */
- pib_clock_config.clkDiv = 2;
- pib_clock_config.clkSrc = CY_U3P_SYS_CLK;
- pib_clock_config.isHalfDiv = CyFalse;
- pib_clock_config.isDllEnable = CyFalse;
- if (CyU3PPibInit(CyTrue, &pib_clock_config) != CY_U3P_SUCCESS)
- msg("! CyU3PPibInit");
-
- /* Load the GPIF configuration for Slave FIFO sync mode. */
- if (CyU3PGpifLoad(&CyFxGpifConfig) != CY_U3P_SUCCESS)
- msg("! CyU3PGpifLoad");
-
- msg("GPIF loaded");
-
- //CyU3PGpifRegisterSMIntrCallback(GpifStateChangeCb);
-
- /* Start the state machine. */
- //CyU3PGpifSMStart(RESET, ALPHA_RESET);
-
- /* Configure the watermarks for the slfifo-write buffers. */
- if (CyU3PGpifSocketConfigure(0, DATA_TX_PPORT_SOCKET, 5, CyFalse, 1) != CY_U3P_SUCCESS)
- msg("! CyU3PGpifSocketConfigure 0");
- if (CyU3PGpifSocketConfigure(1, DATA_RX_PPORT_SOCKET, 6, CyFalse, 1) != CY_U3P_SUCCESS)
- msg("! CyU3PGpifSocketConfigure 1");
- if (CyU3PGpifSocketConfigure(2, CTRL_COMM_PPORT_SOCKET, 5, CyFalse, 1) != CY_U3P_SUCCESS)
- msg("! CyU3PGpifSocketConfigure 2");
- if (CyU3PGpifSocketConfigure(3, CTRL_RESP_PPORT_SOCKET, 6, CyFalse, 1) != CY_U3P_SUCCESS)
- msg("! CyU3PGpifSocketConfigure 3");
-
- //CyU3PGpifSMStart(RESET, ALPHA_RESET);
-
- /* Register a callback for notification of PIB interrupts*/
- CyU3PPibRegisterCallback(gpif_error_cb, CYU3P_PIB_INTR_ERROR);
-}
-
-
-/*! Start and configure the FX3's SPI module.
- *
- * This module is used for programming the FPGA. After the FPGA is configured,
- * the SPI module is disabled, as it cannot be used while we are using GPIF
- * 32-bit mode. */
-CyU3PReturnStatus_t b200_spi_init(void) {
- msg("b200_spi_init");
-
- CyU3PSpiConfig_t spiConfig;
-
- /* Start the SPI module and configure the master. */
- CyU3PSpiInit();
-
- /* Start the SPI master block. Run the SPI clock at 8MHz
- * and configure the word length to 8 bits. Also configure
- * the slave select using FW. */
- CyU3PMemSet ((uint8_t *)&spiConfig, 0, sizeof(spiConfig));
- spiConfig.isLsbFirst = CyFalse;
- spiConfig.cpol = CyFalse;
- spiConfig.cpha = CyFalse;
- spiConfig.ssnPol = CyTrue;
- spiConfig.leadTime = CY_U3P_SPI_SSN_LAG_LEAD_HALF_CLK;
- spiConfig.lagTime = CY_U3P_SPI_SSN_LAG_LEAD_HALF_CLK;
- spiConfig.ssnCtrl = CY_U3P_SPI_SSN_CTRL_FW;
- spiConfig.clock = 20000000;
- spiConfig.wordLen = 8;
-
- CyU3PReturnStatus_t res = CyU3PSpiSetConfig(&spiConfig, NULL);
-
- if (res != CY_U3P_SUCCESS)
- msg("! CyU3PSpiSetConfig");
-
- return res;
-}
-
-
-/*! Initialize the USB module of the FX3 chip.
- *
- * This function handles USB initialization, re-enumeration (and thus coming up
- * as a USRP B200 device), configures USB endpoints and the DMA module.
- */
-void b200_usb_init(void) {
- //msg("b200_usb_init");
-
- /* Initialize the I2C interface for the EEPROM of page size 64 bytes. */
- CyFxI2cInit(CY_FX_USBI2C_I2C_PAGE_SIZE);
-
- /* Start the USB system! */
- CyU3PUsbStart();
-
- /* Register our USB Setup callback. The boolean parameter indicates whether
- * or not we are using FX3's 'Fast Enumeration' mode, which relies on the
- * USB driver auto-detecting the connection speed and setting the correct
- * descriptors. */
- CyU3PUsbRegisterSetupCallback(usb_setup_callback, CyTrue);
-
- CyU3PUsbRegisterEventCallback(event_usb_callback);
-
- CyU3PUsbRegisterLPMRequestCallback(lpm_request_callback);
-
- /* Check to see if a VID/PID is in the EEPROM that we should use. */
- uint8_t valid[4];
- uint8_t vidpid[4];
- CyU3PMemSet(valid, 0, 4);
- CyFxUsbI2cTransfer(0x0, 0xA0, 4, valid, CyTrue);
- if(*((uint32_t *) &(valid[0])) == 0xB2145943) {
-
- /* Pull the programmed device serial out of the i2c EEPROM, and copy the
- * characters into the device serial string, which is then advertised as
- * part of the USB descriptors. */
- CyU3PMemSet(vidpid, 0, 4);
- CyFxUsbI2cTransfer(0x4, 0xA0, 4, vidpid, CyTrue);
- b200_usb2_dev_desc[8] = vidpid[2];
- b200_usb2_dev_desc[9] = vidpid[3];
- b200_usb2_dev_desc[10] = vidpid[0];
- b200_usb2_dev_desc[11] = vidpid[1];
-
- b200_usb3_dev_desc[8] = vidpid[2];
- b200_usb3_dev_desc[9] = vidpid[3];
- b200_usb3_dev_desc[10] = vidpid[0];
- b200_usb3_dev_desc[11] = vidpid[1];
- }
-
- /* We support two VIDs:
- * Ettus Research: 0x2500
- * National Instruments: 0x3923
- *
- * We support three PIDs:
- * Ettus B200/B210: 0x0020
- * NI USRP-2900: 0x7813
- * NI USRP-2901: 0x7814
- */
- uint8_t *mfr_string = NULL;
- uint8_t *product_string = NULL;
- if((vidpid[3] == 0x25) && (vidpid[2] == 0x00)) {
- mfr_string = b200_usb_manufacture_desc;
- product_string = b200_usb_product_desc;
- } else if((vidpid[3] == 0x39) && (vidpid[2] == 0x23)) {
- mfr_string = niusrp_usb_manufacture_desc;
-
- if((vidpid[1] == 0x78) && (vidpid[0] == 0x13)) {
- product_string = niusrp_2900_usb_product_desc;
- } else if((vidpid[1] == 0x78) && (vidpid[0] == 0x14)) {
- product_string = niusrp_2901_usb_product_desc;
- } else {
- product_string = unknown_desc;
- }
- } else {
- mfr_string = unknown_desc;
- product_string = unknown_desc;
- }
-
- uint8_t ascii_serial[9];
- CyU3PMemSet(ascii_serial, 0, 9);
- CyFxUsbI2cTransfer(0x4f7, 0xA0, 9, ascii_serial, CyTrue);
- uint8_t count;
- dev_serial[0] = 2;
- for(count = 0; count < 9; count++) {
- uint8_t byte = ascii_serial[count];
- if (byte < 32 || byte > 127) break;
- dev_serial[2 + (count * 2)] = byte;
- // FIXME: Set count*2 + 1 = 0x00 ?
- dev_serial[0] += 2;
- }
-
- /* Set our USB enumeration descriptors! Note that there are different
- * function calls for each USB speed: FS, HS, SS. */
-
- /* Device descriptors */
- CyU3PUsbSetDesc(CY_U3P_USB_SET_HS_DEVICE_DESCR, 0,
- (uint8_t *) b200_usb2_dev_desc);
-
- CyU3PUsbSetDesc(CY_U3P_USB_SET_SS_DEVICE_DESCR, 0,
- (uint8_t *) b200_usb3_dev_desc);
-
- /* Device qualifier descriptors */
- CyU3PUsbSetDesc(CY_U3P_USB_SET_DEVQUAL_DESCR, 0,
- (uint8_t *) b200_dev_qual_desc);
-
- /* Configuration descriptors */
- CyU3PUsbSetDesc(CY_U3P_USB_SET_HS_CONFIG_DESCR, 0,
- (uint8_t *) b200_usb_hs_config_desc);
-
- CyU3PUsbSetDesc(CY_U3P_USB_SET_FS_CONFIG_DESCR, 0,
- (uint8_t *) b200_usb_fs_config_desc);
-
- CyU3PUsbSetDesc(CY_U3P_USB_SET_SS_CONFIG_DESCR, 0,
- (uint8_t *) b200_usb_ss_config_desc);
-
- /* BOS Descriptor */
- CyU3PUsbSetDesc(CY_U3P_USB_SET_SS_BOS_DESCR, 0,
- (uint8_t *) b200_usb_bos_desc);
-
- /* String descriptors */
- CyU3PUsbSetDesc(CY_U3P_USB_SET_STRING_DESCR, 0,
- (uint8_t *) b200_string_lang_id_desc);
-
- CyU3PUsbSetDesc(CY_U3P_USB_SET_STRING_DESCR, 1,
- (uint8_t *) mfr_string);
-
- CyU3PUsbSetDesc(CY_U3P_USB_SET_STRING_DESCR, 2,
- (uint8_t *) product_string);
-
- CyU3PUsbSetDesc(CY_U3P_USB_SET_STRING_DESCR, 3,
- (uint8_t *) dev_serial);
-
- ////////////////////////////////////////////////////////
-
- // FIXME: CyU3PUsbSetTxDeemphasis(0x11); <0x1F // Shouldn't need to change this
-
- const uint32_t tx_swing = g_config.tx_swing/*65*//*45*/; // 65 & 45 are OK, 120 causes much link recovery. <128. 1.2V is USB3 limit.
- if (CyU3PUsbSetTxSwing(tx_swing) == CY_U3P_SUCCESS)
- msg("CyU3PUsbSetTxSwing: %d", tx_swing);
- else
- msg("! CyU3PUsbSetTxSwing: %d", tx_swing);
-
- ////////////////////////////////////////////////////////
-
- /* Connect the USB pins, and enable SuperSpeed (USB 3.0). */
- if (CyU3PConnectState(CyTrue, (g_config.enable_as_superspeed != 0 ? CyTrue : CyFalse)) == CY_U3P_SUCCESS) { // connect, ssEnable
- CyU3PUSBSpeed_t usb_speed = CyU3PUsbGetSpeed();
- msg("Link up (speed: USB %d)", (int)usb_speed); // MAGIC: Values happen to map
- }
- else
- msg("! Failed to establish link");
-}
-
-
-void b200_restore_gpio_for_fpga_config(void) {
- CyU3PDeviceGpioRestore(GPIO_FPGA_RESET);
- CyU3PDeviceGpioRestore(GPIO_DONE);
-
- CyU3PDeviceGpioRestore(GPIO_FX3_SCLK);
- CyU3PDeviceGpioRestore(GPIO_FX3_CE);
- CyU3PDeviceGpioRestore(GPIO_FX3_MISO);
- CyU3PDeviceGpioRestore(GPIO_FX3_MOSI);
-
- //CyU3PGpioDeInit(); // Moved to just before init
-}
-
-void thread_fpga_config_entry(uint32_t input) {
- uint32_t event_flag;
-
- //msg("thread_fpga_config_entry");
-
- for(;;) {
-
- // Event is set through VREQ
- if(CyU3PEventGet(&g_event_usb_config, \
- (EVENT_FPGA_CONFIG), CYU3P_EVENT_AND_CLEAR, \
- &event_flag, CYU3P_WAIT_FOREVER) == CY_U3P_SUCCESS) {
-
- //uint8_t old_state = g_fx3_state;
- uint32_t old_fpga_programming_write_count = 0;
-
- if(g_fx3_state == STATE_ERROR) {
- CyU3PThreadRelinquish();
- continue;
- }
-
- if(g_fx3_state == STATE_RUNNING) {
- /* The FX3 is currently configured for SLFIFO mode. We need to tear down
- * this configuration and re-configure to program the FPGA. */
- b200_restore_gpio_for_fpga_config();
- CyU3PGpifDisable(CyTrue);
- }
-
- CyU3PSysWatchDogClear();
-
- g_fx3_state = STATE_BUSY;
-
- /* Configure the device GPIOs for FPGA programming. */
- b200_gpios_pre_fpga_config();
-
- CyU3PSysWatchDogClear();
-
- /* Initialize the SPI module that will be used for FPGA programming. */
- b200_spi_init(); // This must be done *after* 'b200_gpios_pre_fpga_config'
-
- CyU3PSysWatchDogClear();
-
- /* Wait for the signal from the host that the bitstream is starting. */
- uint32_t wait_count = 0;
-
- /* We can now begin configuring the FPGA. */
- g_fx3_state = STATE_FPGA_READY;
-
- msg("Begin FPGA");
-
- // Event is set through VREQ
- while(CyU3PEventGet(&g_event_usb_config, \
- (EVENT_BITSTREAM_START), CYU3P_EVENT_AND_CLEAR, \
- &event_flag, CYU3P_NO_WAIT) != CY_U3P_SUCCESS) {
-
- if(wait_count >= FPGA_PROGRAMMING_BITSTREAM_START_POLL_COUNT) {
- msg("! Bitstream didn't start");
- g_fx3_state = STATE_UNCONFIGURED; // Since IO configuration has changed, leave it in the unconfigured state (rather than the previous one, which might have been running)
- CyU3PThreadRelinquish();
- break;
- }
-
- wait_count++;
- CyU3PThreadSleep(FPGA_PROGRAMMING_POLL_SLEEP);
- CyU3PSysWatchDogClear();
- }
-
- if (wait_count >= FPGA_PROGRAMMING_BITSTREAM_START_POLL_COUNT)
- continue;
-
- /* Pull PROGRAM_B low and then release it. */
- CyU3PGpioSetValue(GPIO_PROGRAM_B, 0);
- CyU3PThreadSleep(20);
- CyU3PGpioSetValue(GPIO_PROGRAM_B, 1);
-
- /* Wait for INIT_B to fall and rise. */
- wait_count = 0;
-
- msg("Wait FPGA");
-
- while(CyU3PEventGet(&g_event_usb_config, \
- (EVENT_GPIO_INITB_RISE), CYU3P_EVENT_AND_CLEAR, \
- &event_flag, CYU3P_NO_WAIT) != CY_U3P_SUCCESS) {
-
- if(wait_count >= FPGA_PROGRAMMING_INITB_POLL_COUNT) {
- msg("! INITB didn't rise");
- g_fx3_state = STATE_UNCONFIGURED; // Safer to call it unconfigured than the previous state
- CyU3PThreadRelinquish();
- break;
- }
-
- wait_count++;
- CyU3PThreadSleep(FPGA_PROGRAMMING_POLL_SLEEP);
- CyU3PSysWatchDogClear();
- }
-#ifdef ENABLE_INIT_B_WORKAROUND
- if (wait_count >= FPGA_PROGRAMMING_INITB_POLL_COUNT)
- {
- CyBool_t gpio_init_b;
- CyU3PGpioGetValue(GPIO_INIT_B, &gpio_init_b);
- if (gpio_init_b == CyTrue)
- {
- wait_count = 0;
- }
- else
- {
- msg("! INIT_B still not high");
- }
- }
-#endif // ENABLE_INIT_B_WORKAROUND
- if (wait_count >= FPGA_PROGRAMMING_INITB_POLL_COUNT)
- continue;
-
- /* We are ready to accept the FPGA bitstream! */
- wait_count = 0;
- g_fx3_state = STATE_CONFIGURING_FPGA;
-
- msg("Configuring FPGA");
-
- // g_fpga_programming_write_count is zero'd by VREQ triggering EVENT_BITSTREAM_START
-
- while(CyU3PEventGet(&g_event_usb_config, \
- (EVENT_GPIO_DONE_HIGH), CYU3P_EVENT_AND_CLEAR, \
- &event_flag, CYU3P_NO_WAIT) != CY_U3P_SUCCESS) {
-
- /* Wait for the configuration to complete, which will be indicated
- * by the DONE pin going high and triggering the associated
- * interrupt. */
-
- if(wait_count >= FPGA_PROGRAMMING_DONE_POLL_COUNT) {
- msg("! DONE didn't go high");
- g_fx3_state = STATE_UNCONFIGURED;
- CyU3PThreadRelinquish();
- break;
- }
-
- if (old_fpga_programming_write_count == g_fpga_programming_write_count) // Only increment wait count if we haven't written anything
- wait_count++;
- else {
- wait_count = 0;
- old_fpga_programming_write_count = g_fpga_programming_write_count;
- }
-
- CyU3PThreadSleep(FPGA_PROGRAMMING_POLL_SLEEP);
- CyU3PSysWatchDogClear();
- }
-#ifdef ENABLE_DONE_WORKAROUND
- if (wait_count >= FPGA_PROGRAMMING_DONE_POLL_COUNT)
- {
- CyBool_t gpio_done;
- CyU3PGpioGetValue(GPIO_DONE, &gpio_done);
- if (gpio_done == CyTrue)
- {
- wait_count = 0;
- }
- else
- {
- msg("! DONE still not high");
- }
- }
-#endif // ENABLE_DONE_WORKAROUND
- if (wait_count >= FPGA_PROGRAMMING_DONE_POLL_COUNT)
- continue;
-
- msg("FPGA done");
-
- /* Tell the host that we are ignoring it for a while. */
- g_fx3_state = STATE_BUSY;
-
- CyU3PSysWatchDogClear();
-
- /* Now that the FPGA is configured, we need to tear down the current SPI and
- * GPIO configs, and re-config for GPIF & bit-banged SPI operation. */
- CyU3PSpiDeInit();
- b200_restore_gpio_for_fpga_config();
-
- CyU3PSysWatchDogClear();
-
- /* Load the GPIO configuration for normal SLFIFO use. */
- b200_slfifo_mode_gpio_config();
-
- /* Tone down the drive strength on the P-port. */
- //CyU3PSetPportDriveStrength(CY_U3P_DS_HALF_STRENGTH);
-
- CyU3PSysWatchDogClear();
-
- /* FPGA configuration is complete! Time to get the GPIF state machine
- * running for Slave FIFO. */
- b200_gpif_init();
-
- CyU3PThreadSleep(1);
- b200_start_fpga_sb_gpio(); // Moved here to give SB time to init
-
- /* RUN, BABY, RUN! */
- g_fx3_state = STATE_RUNNING;
-
- msg("Running");
- }
-
- CyU3PThreadRelinquish();
- }
-}
-
-
-/*! The primary program thread.
- *
- * This is the primary application thread running on the FX3 device. It is
- * responsible for initializing much of the chip, and then bit-banging the FPGA
- * image, as it is sent from the host, into the FPGA. It then re-configures the
- * FX3 for slave-fifo, and enters an infinite loop where it simply updates the
- * watchdog timer and does some minor power management state checking.
- */
-void thread_main_app_entry(uint32_t input) {
- //msg("thread_main_app_entry");
-
- /* In your spectrum, stealing your Hz. */
- for(;;) {
- CyU3PSysWatchDogClear();
- CyU3PThreadSleep(CHECK_POWER_STATE_SLEEP_TIME);
-#ifdef PREVENT_LOW_POWER_MODE
- /* Once data transfer has started, we keep trying to get the USB
- * link to stay in U0. If this is done
- * before data transfers have started, there is a likelihood of
- * failing the TD 9.24 U1/U2 test. */
- {
- CyU3PUsbLinkPowerMode current_state;
-
- if((CyU3PUsbGetSpeed () == CY_U3P_SUPER_SPEED)) {
-
- /* If the link is in U1/U2 states, try to get back to U0. */
- CyU3PUsbGetLinkPowerState(&current_state);
-
- if (current_state > CyU3PUsbLPM_U3)
- msg("Power state %i", current_state);
-
- while((current_state >= CyU3PUsbLPM_U1) \
- && (current_state <= CyU3PUsbLPM_U3)) {
-
- msg("! LPS = %i", current_state);
-
- CyU3PUsbSetLinkPowerState(CyU3PUsbLPM_U0); // This will wake up the host if it's trying to sleep
- CyU3PThreadSleep(1);
-
- if (CyU3PUsbGetSpeed () != CY_U3P_SUPER_SPEED)
- break;
-
- CyU3PUsbGetLinkPowerState (&current_state);
- }
- }
- }
-#endif // PREVENT_LOW_POWER_MODE
- }
-}
-
-static uint16_t g_poll_last_phy_error_count = 0, g_poll_last_link_error_count = 0;
-static uint32_t g_poll_last_phy_error_status = 0;
-
-void update_error_counters(void) {
- if (CyU3PUsbGetSpeed () != CY_U3P_SUPER_SPEED)
- return;
-
- uvint32_t reg = REG_LNK_PHY_ERROR_STATUS;
- uint32_t val = 0;
- if (CyU3PReadDeviceRegisters((uvint32_t*)reg, 1, &val) == CY_U3P_SUCCESS) {
- g_poll_last_phy_error_status |= (val & PHYERR_MASK);
-
- // Reset after read
- uint32_t zero = PHYERR_MASK;
- if (CyU3PWriteDeviceRegisters((uvint32_t*)reg, 1, &zero) != CY_U3P_SUCCESS)
- msg("! CyU3PWriteDeviceRegisters");
- }
- else {
- // FIXME: Log once
- msg("! Reg read fail");
- }
-
- // Equivalent code:
- //uint32_t* p = (uint32_t*)REG_LNK_PHY_ERROR_STATUS;
- //val = (*p);
- //(*p) = PHYERR_MASK;
-
- uint16_t phy_error_count = 0, link_error_count = 0;
- if (CyU3PUsbGetErrorCounts(&phy_error_count, &link_error_count) == CY_U3P_SUCCESS) { // Resets internal counters after call
- g_poll_last_phy_error_count += phy_error_count;
- g_poll_last_link_error_count += link_error_count;
- }
- else {
- // FIXME: Log once
- msg("! CyU3PUsbGetErrorCounts");
- }
-
- LOCK(g_counters_lock);
- g_counters.usb_error_update_count++;
- g_counters.usb_error_counters.phy_error_count += phy_error_count;
- g_counters.usb_error_counters.link_error_count += link_error_count;
- if (val & PHYERR_MASK) {
- if (val & PHYERR_PHY_LOCK_EV) g_counters.usb_error_counters.PHY_LOCK_EV++;
- if (val & PHYERR_TRAINING_ERROR_EV) g_counters.usb_error_counters.TRAINING_ERROR_EV++;
- if (val & PHYERR_RX_ERROR_CRC32_EV) g_counters.usb_error_counters.RX_ERROR_CRC32_EV++;
- if (val & PHYERR_RX_ERROR_CRC16_EV) g_counters.usb_error_counters.RX_ERROR_CRC16_EV++;
- if (val & PHYERR_RX_ERROR_CRC5_EV) g_counters.usb_error_counters.RX_ERROR_CRC5_EV++;
- if (val & PHYERR_PHY_ERROR_DISPARITY_EV)g_counters.usb_error_counters.PHY_ERROR_DISPARITY_EV++;
- if (val & PHYERR_PHY_ERROR_EB_UND_EV) g_counters.usb_error_counters.PHY_ERROR_EB_UND_EV++;
- if (val & PHYERR_PHY_ERROR_EB_OVR_EV) g_counters.usb_error_counters.PHY_ERROR_EB_OVR_EV++;
- if (val & PHYERR_PHY_ERROR_DECODE_EV) g_counters.usb_error_counters.PHY_ERROR_DECODE_EV++;
- }
- UNLOCK(g_counters_lock); // FIXME: Read/write regs
-}
-
-
-void thread_re_enum_entry(uint32_t input) {
- uint32_t event_flag;
-
- //msg("thread_re_enum_entry");
-
- int keep_alive = 0;
-
- while (1) {
- if (CyU3PEventGet(&g_event_usb_config, \
- (EVENT_RE_ENUM), CYU3P_EVENT_AND_CLEAR, \
- &event_flag, RE_ENUM_THREAD_SLEEP_TIME) == CY_U3P_SUCCESS) {
- msg("Re-config");
-
- // FIXME: This section is not finished
-
- // Not locking this since we only expect one write in VREQ and read afterward here
-
- int re_enum = g_config_mod.flags & (CF_RE_ENUM | CF_TX_SWING | CF_TX_DEEMPHASIS | CF_DISABLE_USB2 | CF_ENABLE_AS_SUPERSPEED);
-
- CyU3PThreadSleep(100); // Wait for EP0 xaction to complete
-
- //b200_fw_stop();
-
-/*
- int tx_swing; // [90] [65] 45
- int tx_deemphasis; // 0x11
- int disable_usb2; // 0
- int enable_as_superspeed; // 1
- int pport_drive_strength; // CY_U3P_DS_THREE_QUARTER_STRENGTH
- int dma_buffer_size; // [USB3] (max)
- int dma_buffer_count; // [USB3] 1
- int manual_dma; // 0
- int sb_baud_div; // 434*2
-*/
-
- if (re_enum) {
- if (CyU3PConnectState(CyFalse, (g_config.enable_as_superspeed != 0 ? CyTrue : CyFalse)) == CY_U3P_SUCCESS)
- msg("Link down");
- else
- msg("! Failed to bring link down");
- }
-
- if (g_config_mod.flags & CF_TX_DEEMPHASIS) {
-#if (CYFX_VERSION_MAJOR >= 1) && (CYFX_VERSION_MINOR >= 3)
- if ((g_config_mod.config.tx_deemphasis < 0x1F) && (CyU3PUsbSetTxDeemphasis(g_config_mod.config.tx_deemphasis) == CY_U3P_SUCCESS)) {
- msg("TX deemphasis now: %d (was: %d)", g_config_mod.config.tx_deemphasis, g_config.tx_deemphasis);
- g_config.tx_deemphasis = g_config_mod.config.tx_deemphasis;
- }
- else
-#endif // #if (CYFX_VERSION_MAJOR >= 1) && (CYFX_VERSION_MINOR >= 3)
- msg("! Failed to set TX deemphasis: %d (still: %d)", g_config_mod.config.tx_deemphasis, g_config.tx_deemphasis);
- }
-
- if (g_config_mod.flags & CF_TX_SWING) {
- if ((g_config_mod.config.tx_swing < 128) && (CyU3PUsbSetTxSwing(g_config_mod.config.tx_swing) == CY_U3P_SUCCESS)) {
- msg("TX swing now: %d (was: %d)", g_config_mod.config.tx_swing, g_config.tx_swing);
- g_config.tx_swing = g_config_mod.config.tx_swing;
- }
- else
- msg("! Failed to set TX swing: %d (still: %d)", g_config_mod.config.tx_swing, g_config.tx_swing);
- }
-
- if (g_config_mod.flags & CF_DISABLE_USB2) {
- if (CyU3PUsbControlUsb2Support((g_config_mod.config.disable_usb2 != 0 ? CyTrue : CyFalse)) == CY_U3P_SUCCESS) {
- msg("USB 2 support now: %s (was: %d)", (g_config_mod.config.disable_usb2 ? "disabled" : "enabled"), (g_config.disable_usb2 ? "disabled" : "enabled"));
- g_config.disable_usb2 = g_config_mod.config.disable_usb2;
- }
- else
- msg("! Failed to change USB 2 support to: %s (still: %s)", (g_config_mod.config.disable_usb2 ? "enabled" : "disabled"), (g_config.disable_usb2 ? "enabled" : "disabled"));
- }
-
- if (g_config_mod.flags & CF_PPORT_DRIVE_STRENGTH) {
- // CY_U3P_DS_QUARTER_STRENGTH,CY_U3P_DS_HALF_STRENGTH,CY_U3P_DS_THREE_QUARTER_STRENGTH,CY_U3P_DS_FULL_STRENGTH
- if ((g_config_mod.config.pport_drive_strength >= CY_U3P_DS_QUARTER_STRENGTH) &&
- (g_config_mod.config.pport_drive_strength <= CY_U3P_DS_FULL_STRENGTH) &&
- (CyU3PSetPportDriveStrength(g_config_mod.config.pport_drive_strength) == CY_U3P_SUCCESS)) {
- msg("PPort drive strength now: %d (was: %d)", g_config_mod.config.pport_drive_strength, g_config.pport_drive_strength);
- g_config.pport_drive_strength = g_config_mod.config.pport_drive_strength;
- }
- else
- msg("! Failed to set PPort drive strength: %d (still: %d)", g_config_mod.config.pport_drive_strength, g_config.pport_drive_strength);
- }
-
- int reinit_dma = g_config_mod.flags & (CF_MANUAL_DMA | CF_DMA_BUFFER_COUNT | CF_DMA_BUFFER_SIZE);
- if (re_enum)
- reinit_dma = 0; // Don't need to if re-enumerating
-
- if (g_config_mod.flags & CF_MANUAL_DMA) {
-#ifdef ENABLE_MANUAL_DMA_XFER
- msg("DMA transfers will be: %s (was: %s)", (g_config_mod.config.manual_dma ? "manual" : "auto"), (g_config.manual_dma ? "manual" : "auto"));
- g_config.manual_dma = g_config_mod.config.manual_dma;
-#else
- msg("! Manual DMA transfers not compiled into FW");
-#endif // ENABLE_MANUAL_DMA_XFER
- }
-
- if (g_config_mod.flags & CF_DMA_BUFFER_COUNT) {
- msg("DMA buffer count will be: %d (was: %d)", g_config_mod.config.dma_buffer_count, g_config.dma_buffer_count);
- g_config.dma_buffer_count = g_config_mod.config.dma_buffer_count;
- }
-
- if (g_config_mod.flags & CF_DMA_BUFFER_SIZE) {
- msg("DMA buffer size will be: %d (was: %d)", g_config_mod.config.dma_buffer_size, g_config.dma_buffer_size);
- g_config.dma_buffer_size = g_config_mod.config.dma_buffer_size;
- }
-
- if (g_config_mod.flags & CF_SB_BAUD_DIV) {
-#ifdef ENABLE_FPGA_SB
- LOCK(g_suart_lock);
- sb_write(SUART_CLKDIV, g_config_mod.config.sb_baud_div);
- UNLOCK(g_suart_lock);
- msg("SUART_CLKDIV now: %d (was: %d)", g_config_mod.config.sb_baud_div, g_config.sb_baud_div);
- g_config.sb_baud_div = g_config_mod.config.sb_baud_div;
-#else
- msg("! Failed to set SUART_CLKDIV: SB is disabled (still: %d)", g_config.sb_baud_div);
-#endif // ENABLE_FPGA_SB
- }
-
- //b200_fw_start()
-
- if (g_config_mod.flags & CF_ENABLE_AS_SUPERSPEED) {
- msg("Enable SuperSpeed: %s (was: %s)", (g_config_mod.config.enable_as_superspeed ? "yes" : "no"), (g_config.enable_as_superspeed ? "yes" : "no"));
- g_config.enable_as_superspeed = g_config_mod.config.enable_as_superspeed;
- }
-
- if (reinit_dma) {
- if (g_app_running) {
- msg("Stopping FW...");
-
- b200_fw_stop();
- }
-
- msg("Starting FW...");
-
- b200_fw_start();
- }
- else // Shouldn't be re-init'ing AND re-enum'ing
- /* Connect the USB pins, and enable SuperSpeed (USB 3.0). */
- if (re_enum) {
- msg("Connecting... (as SuperSpeed: %d)", g_config.enable_as_superspeed);
-
- if (CyU3PConnectState(CyTrue, (g_config.enable_as_superspeed != 0 ? CyTrue : CyFalse)) == CY_U3P_SUCCESS) { // CHECK: Assuming all other important state will persist
- CyU3PUSBSpeed_t usb_speed = CyU3PUsbGetSpeed();
- msg("Link up (speed: USB %d)", (int)usb_speed); // MAGIC: Values happen to map
- }
- else
- msg("! Failed to bring link up");
- }
-
- counters_reset_usb_errors();
- }
- else {
- if (++keep_alive == KEEP_ALIVE_LOOP_COUNT) {
- msg("Keep-alive");
- keep_alive = 0;
- }
-#ifndef ENABLE_FPGA_SB
- update_error_counters();
-#endif // !ENABLE_FPGA_SB
- }
-
- CyU3PThreadRelinquish();
- }
-}
-
-
-void base16_encode(uint8_t v, char out[2], char first) {
- out[0] = first + (v >> 4);
- out[1] = first + (v & 0x0F);
-}
-
-
-#ifdef ENABLE_FPGA_SB
-void thread_fpga_sb_poll_entry(uint32_t input) {
- //msg("thread_fpga_sb_poll_entry");
-
- while (1) {
- uint16_t i;
- uint8_t has_change = 0;
-
- update_error_counters();
-
- /*if (g_poll_last_phy_error_count > 0)
- has_change = 1;
- if (g_poll_last_link_error_count > 0)
- has_change = 1;*/
- if (g_poll_last_phy_error_status != 0)
- has_change = 1;
-
- uint16_t idx = CyU3PUsbGetEventLogIndex(); // Current *write* pointer
- if (idx > (USB_EVENT_LOG_SIZE-1)) {
- msg("! USB event log idx = %i", (int)idx);
- break;
- }
-
- uint8_t has_usb_events = 0;
- // Assuming logging won't wrap around between get calls (i.e. buffer should be long enough)
- if (g_fpga_sb_last_usb_event_log_index != idx) {
- if (idx < g_fpga_sb_last_usb_event_log_index) {
- for (i = g_fpga_sb_last_usb_event_log_index; i < USB_EVENT_LOG_SIZE; i++) {
- if (g_usb_event_log[i] != 0x14 && g_usb_event_log[i] != 0x15 && g_usb_event_log[i] != 0x16) { // CTRL, STATUS, ACKSETUP
- has_usb_events = 1;
- break;
- }
- }
-
- if (has_usb_events == 0) {
- for (i = 0; i < idx; i++) {
- if (g_usb_event_log[i] != 0x14 && g_usb_event_log[i] != 0x15 && g_usb_event_log[i] != 0x16) { // CTRL, STATUS, ACKSETUP
- has_usb_events = 1;
- break;
- }
- }
- }
- }
- else {
- for (i = g_fpga_sb_last_usb_event_log_index; i < idx; i++) {
- if (g_usb_event_log[i] != 0x14 && g_usb_event_log[i] != 0x15 && g_usb_event_log[i] != 0x16) { // CTRL, STATUS, ACKSETUP
- has_usb_events = 1;
- break;
- }
- }
- }
- }
-
- if (has_change || has_usb_events) {
- LOCK(g_suart_lock);
-
- sb_write(SUART_TXCHAR, UPT_USB_EVENTS);
-
- char out[3];
- out[2] = '\0';
-
- if (has_usb_events) {
- if (idx < g_fpga_sb_last_usb_event_log_index) {
- for (i = g_fpga_sb_last_usb_event_log_index; i < USB_EVENT_LOG_SIZE; i++) {
- if (g_usb_event_log[i] == 0x14 || g_usb_event_log[i] == 0x15 || g_usb_event_log[i] == 0x16) // CTRL, STATUS, ACKSETUP
- continue;
- base16_encode(g_usb_event_log[i], out, 'A');
- _sb_write_string(out);
- }
-
- for (i = 0; i < idx; i++) {
- if (g_usb_event_log[i] == 0x14 || g_usb_event_log[i] == 0x15 || g_usb_event_log[i] == 0x16) // CTRL, STATUS, ACKSETUP
- continue;
- base16_encode(g_usb_event_log[i], out, 'A');
- _sb_write_string(out);
- }
- }
- else {
- for (i = g_fpga_sb_last_usb_event_log_index; i < idx; i++) {
- if (g_usb_event_log[i] == 0x14 || g_usb_event_log[i] == 0x15 || g_usb_event_log[i] == 0x16) // CTRL, STATUS, ACKSETUP
- continue;
- base16_encode(g_usb_event_log[i], out, 'A');
- _sb_write_string(out);
- }
- }
- }
-
- // USB events: A-P,A-P
- // PHY error status: a,a-i
-
- if (g_poll_last_phy_error_status != 0) {
- uint32_t mask;
- size_t offset;
- for (mask = PHYERR_MAX, offset = 0; mask != 0; mask >>= 1, ++offset) {
- if ((g_poll_last_phy_error_status & mask) != 0) {
- sb_write(SUART_TXCHAR, 'a');
- sb_write(SUART_TXCHAR, 'a' + offset);
- }
- }
- }
-
- /*char buf[6];
-
- if (g_poll_last_phy_error_count > 0) {
- sb_write(SUART_TXCHAR, 'b');
- snprintf(buf, sizeof(buf)-1, "%d", g_poll_last_phy_error_count);
- _sb_write_string(buf);
- }
-
- if (g_poll_last_link_error_count > 0) {
- sb_write(SUART_TXCHAR, 'c');
- snprintf(buf, sizeof(buf)-1, "%d", g_poll_last_link_error_count);
- _sb_write_string(buf);
- }*/
-
- _sb_write_string("\r\n");
-
- UNLOCK(g_suart_lock);
- }
-
- g_poll_last_phy_error_count = 0;
- g_poll_last_link_error_count = 0;
- g_poll_last_phy_error_status = 0;
-
- g_fpga_sb_last_usb_event_log_index = idx;
-
- CyU3PThreadRelinquish();
- }
-}
-#endif // ENABLE_FPGA_SB
-
-/*! Application define function which creates the threads.
- *
- * The name of this application cannot be changed, as it is called from the
- * tx_application _define function, referenced in the rest of the FX3 build
- * system.
- *
- * If thread creation fails, lock the system and force a power reset.
- */
-void CyFxApplicationDefine(void) {
- void *app_thread_ptr, *fpga_thread_ptr;
-#ifdef ENABLE_RE_ENUM_THREAD
- void *re_enum_thread_ptr;
-#endif // ENABLE_RE_ENUM_THREAD
-#ifdef ENABLE_FPGA_SB
- void *fpga_sb_poll_thread_ptr;
-#endif // ENABLE_FPGA_SB
-
- g_counters.magic = COUNTER_MAGIC;
- //memset(&g_config, 0xFF, sizeof(g_config)); // Initialise to -1
-
- CyU3PMutexCreate(&g_log_lock, CYU3P_NO_INHERIT);
- CyU3PMutexCreate(&g_counters_lock, CYU3P_NO_INHERIT);
- CyU3PMutexCreate(&g_counters_dma_from_host_lock, CYU3P_NO_INHERIT);
- CyU3PMutexCreate(&g_counters_dma_to_host_lock, CYU3P_NO_INHERIT);
-#ifdef ENABLE_FPGA_SB
- CyU3PMutexCreate(&g_suart_lock, CYU3P_NO_INHERIT);
-#endif // ENABLE_FPGA_SB
-#ifdef ENABLE_USB_EVENT_LOGGING
- CyU3PUsbInitEventLog(g_usb_event_log, USB_EVENT_LOG_SIZE);
-#endif // ENABLE_USB_EVENT_LOGGING
-
- ////////////////////////////////////////////////////////
-
- /* Tell the host that we are ignoring it for a while. */
- g_fx3_state = STATE_BUSY;
-
- /* Set the FX3 compatibility number. */
- compat_num[0] = FX3_COMPAT_MAJOR;
- compat_num[1] = FX3_COMPAT_MINOR;
-
- /* Initialize the USB system. */
- b200_usb_init();
-
- /* Turn on the Watchdog Timer. */
- CyU3PSysWatchDogConfigure(CyTrue, WATCHDOG_TIMEOUT);
-
- /* Go do something. Probably not useful, because you aren't configured. */
- g_fx3_state = STATE_UNCONFIGURED;
-
- ////////////////////////////////////////////////////////
-
- b200_gpio_init(CyTrue);
-
- b200_enable_fpga_sb_gpio(CyTrue);
-
- msg("Compat: %d.%d", FX3_COMPAT_MAJOR, FX3_COMPAT_MINOR);
- msg("FX3 SDK: %d.%d.%d (build %d)", CYFX_VERSION_MAJOR, CYFX_VERSION_MINOR, CYFX_VERSION_PATCH, CYFX_VERSION_BUILD);
- msg("FW built: %s %s", __TIME__, __DATE__);
-
- ////////////////////////////////////////////////////////
-
- /* Create the USB event group that we will use to track USB events from the
- * application thread. */
- CyU3PEventCreate(&g_event_usb_config);
-
- /* Allocate memory for the application thread. */
- app_thread_ptr = CyU3PMemAlloc(APP_THREAD_STACK_SIZE);
-
- /* Allocate memory for the FPGA configuration thread. */
- fpga_thread_ptr = CyU3PMemAlloc(APP_THREAD_STACK_SIZE);
-#ifdef ENABLE_RE_ENUM_THREAD
- re_enum_thread_ptr = CyU3PMemAlloc(APP_THREAD_STACK_SIZE);
-#endif // ENABLE_RE_ENUM_THREAD
-#ifdef ENABLE_FPGA_SB
- fpga_sb_poll_thread_ptr = CyU3PMemAlloc(APP_THREAD_STACK_SIZE);
-#endif // ENABLE_FPGA_SB
- ////////////////////////////////////////////////////////
-
- /* Create the thread for the application */
- if (app_thread_ptr != NULL)
- CyU3PThreadCreate(&thread_main_app,
- "200:B200 Main",
- thread_main_app_entry,
- 0,
- app_thread_ptr,
- APP_THREAD_STACK_SIZE,
- THREAD_PRIORITY,
- THREAD_PRIORITY,
- CYU3P_NO_TIME_SLICE,
- CYU3P_AUTO_START);
-
- /* Create the thread for FPGA configuration. */
- if (fpga_thread_ptr != NULL)
- CyU3PThreadCreate(&thread_fpga_config,
- "300:B200 FPGA",
- thread_fpga_config_entry,
- 0,
- fpga_thread_ptr,
- APP_THREAD_STACK_SIZE,
- THREAD_PRIORITY,
- THREAD_PRIORITY,
- CYU3P_NO_TIME_SLICE,
- CYU3P_AUTO_START);
-#ifdef ENABLE_RE_ENUM_THREAD
- /* Create the thread for stats collection and re-enumeration/configuration */
- if (re_enum_thread_ptr != NULL)
- CyU3PThreadCreate(&thread_re_enum,
- "400:B200 Re-enum",
- thread_re_enum_entry,
- 0,
- re_enum_thread_ptr,
- APP_THREAD_STACK_SIZE,
- THREAD_PRIORITY,
- THREAD_PRIORITY,
- CYU3P_NO_TIME_SLICE,
- CYU3P_AUTO_START);
-#endif // ENABLE_RE_ENUM_THREAD
-#ifdef ENABLE_FPGA_SB
- /* Create thread to handling Settings Bus logging/transactions */
- if (fpga_sb_poll_thread_ptr != NULL)
- CyU3PThreadCreate(&thread_fpga_sb_poll,
- "600:B200 FPGA SB poll",
- thread_fpga_sb_poll_entry,
- 0,
- fpga_sb_poll_thread_ptr,
- APP_THREAD_STACK_SIZE,
- THREAD_PRIORITY,
- THREAD_PRIORITY,
- CYU3P_NO_TIME_SLICE,
- CYU3P_AUTO_START);
-#endif // ENABLE_FPGA_SB
-}
-
-
-int main(void) {
- CyU3PReturnStatus_t status = CY_U3P_SUCCESS;
- CyU3PSysClockConfig_t clock_config;
-
- /* Configure the FX3 Clocking scheme:
- * CPU Divider: 2 (~200 MHz)
- * DMA Divider: 2 (~100 MHz)
- * MMIO Divider: 2 (~100 MHz)
- * 32 kHz Standby Clock: Disabled
- * System Clock Divider: 1 */
- clock_config.cpuClkDiv = 2;
- clock_config.dmaClkDiv = 2;
- clock_config.mmioClkDiv = 2;
- clock_config.useStandbyClk = CyFalse;
- clock_config.clkSrc = CY_U3P_SYS_CLK;
- clock_config.setSysClk400 = CyTrue;
-
- status = CyU3PDeviceInit(&clock_config);
- if(status != CY_U3P_SUCCESS)
- goto handle_fatal_error;
-
- /* Initialize the caches. Enable instruction cache and keep data cache disabled.
- * The data cache is useful only when there is a large amount of CPU based memory
- * accesses. When used in simple cases, it can decrease performance due to large
- * number of cache flushes and cleans and also it adds to the complexity of the
- * code. */
- status = CyU3PDeviceCacheControl(CyTrue, CyFalse, CyFalse); // Icache, Dcache, DMAcache
- if (status != CY_U3P_SUCCESS)
- goto handle_fatal_error;
-
- /* Configure the IO peripherals on the FX3. The gpioSimpleEn arrays are
- * bitmaps, where each bit represents the GPIO of the matching index - the
- * second array is index + 32. */
- status = b200_set_io_matrix(CyTrue);
- if(status != CY_U3P_SUCCESS)
- goto handle_fatal_error;
-
- /* This function calls starts the RTOS kernel.
- *
- * ABANDON ALL HOPE, YE WHO ENTER HERE */
- CyU3PKernelEntry();
-
- /* Although we will never make it here, this has to be here to make the
- * compiler happy. */
- return 0;
-
- /* If an error occurs before the launch of the kernel, it is unrecoverable.
- * Once you go down this hole, you aren't coming back out without a power
- * reset. */
- handle_fatal_error:
- while(1);
-}