diff options
Diffstat (limited to 'firmware/microblaze/apps/txrx_uhd.c')
| -rw-r--r-- | firmware/microblaze/apps/txrx_uhd.c | 402 |
1 files changed, 0 insertions, 402 deletions
diff --git a/firmware/microblaze/apps/txrx_uhd.c b/firmware/microblaze/apps/txrx_uhd.c deleted file mode 100644 index ea74f032e..000000000 --- a/firmware/microblaze/apps/txrx_uhd.c +++ /dev/null @@ -1,402 +0,0 @@ -// -// Copyright 2010 Ettus Research LLC -// -/* - * Copyright 2007,2008 Free Software Foundation, Inc. - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <lwip/ip.h> -#include <lwip/udp.h> -#include "u2_init.h" -#include "memory_map.h" -#include "spi.h" -#include "hal_io.h" -#include "pic.h" -#include <stdbool.h> -#include "ethernet.h" -#include "nonstdio.h" -#include <net/padded_eth_hdr.h> -#include <net_common.h> -#include "memcpy_wa.h" -#include <stddef.h> -#include <stdlib.h> -#include <string.h> -#include "clocks.h" -#include "usrp2/fw_common.h" -#include <i2c.h> -#include <ethertype.h> -#include <arp_cache.h> -#include "udp_fw_update.h" -#include "pkt_ctrl.h" -#include "banal.h" - -static void setup_network(void); - -// ---------------------------------------------------------------- -// the fast-path setup global variables -// ---------------------------------------------------------------- -static eth_mac_addr_t fp_mac_addr_src, fp_mac_addr_dst; -extern struct socket_address fp_socket_src, fp_socket_dst; - -static void handle_udp_err0_packet( - struct socket_address src, struct socket_address dst, - unsigned char *payload, int payload_len -){ - sr_udp_sm->err0_port = (((uint32_t)dst.port) << 16) | src.port; - printf("Storing for async error path:\n"); - printf(" source udp port: %d\n", dst.port); - printf(" destination udp port: %d\n", src.port); - newline(); -} - -static void handle_udp_data_packet( - struct socket_address src, struct socket_address dst, - unsigned char *payload, int payload_len -){ - fp_mac_addr_src = *ethernet_mac_addr(); - arp_cache_lookup_mac(&src.addr, &fp_mac_addr_dst); - fp_socket_src = dst; - fp_socket_dst = src; - sr_udp_sm->dsp0_port = (((uint32_t)dst.port) << 16) | src.port; - printf("Storing for fast path:\n"); - printf(" source mac addr: "); - print_mac_addr(fp_mac_addr_src.addr); newline(); - printf(" source ip addr: "); - print_ip_addr(&fp_socket_src.addr); newline(); - printf(" source udp port: %d\n", fp_socket_src.port); - printf(" destination mac addr: "); - print_mac_addr(fp_mac_addr_dst.addr); newline(); - printf(" destination ip addr: "); - print_ip_addr(&fp_socket_dst.addr); newline(); - printf(" destination udp port: %d\n", fp_socket_dst.port); - newline(); - - //setup network - setup_network(); - -} - -#define OTW_GPIO_BANK_TO_NUM(bank) \ - (((bank) == USRP2_DIR_RX)? (GPIO_RX_BANK) : (GPIO_TX_BANK)) - -static void handle_udp_ctrl_packet( - struct socket_address src, struct socket_address dst, - unsigned char *payload, int payload_len -){ - //printf("Got ctrl packet #words: %d\n", (int)payload_len); - const usrp2_ctrl_data_t *ctrl_data_in = (usrp2_ctrl_data_t *)payload; - uint32_t ctrl_data_in_id = ctrl_data_in->id; - - //ensure that the protocol versions match - if (payload_len >= sizeof(uint32_t) && ctrl_data_in->proto_ver != USRP2_FW_COMPAT_NUM){ - printf("!Error in control packet handler: Expected compatibility number %d, but got %d\n", - USRP2_FW_COMPAT_NUM, ctrl_data_in->proto_ver - ); - ctrl_data_in_id = USRP2_CTRL_ID_WAZZUP_BRO; - } - - //ensure that this is not a short packet - if (payload_len < sizeof(usrp2_ctrl_data_t)){ - printf("!Error in control packet handler: Expected payload length %d, but got %d\n", - (int)sizeof(usrp2_ctrl_data_t), payload_len - ); - ctrl_data_in_id = USRP2_CTRL_ID_HUH_WHAT; - } - - //setup the output data - usrp2_ctrl_data_t ctrl_data_out; - ctrl_data_out.proto_ver = USRP2_FW_COMPAT_NUM; - ctrl_data_out.id=USRP2_CTRL_ID_HUH_WHAT; - ctrl_data_out.seq=ctrl_data_in->seq; - - //handle the data based on the id - switch(ctrl_data_in_id){ - - /******************************************************************* - * Addressing - ******************************************************************/ - case USRP2_CTRL_ID_WAZZUP_BRO: - ctrl_data_out.id = USRP2_CTRL_ID_WAZZUP_DUDE; - memcpy(&ctrl_data_out.data.ip_addr, get_ip_addr(), sizeof(struct ip_addr)); - break; - - /******************************************************************* - * SPI - ******************************************************************/ - case USRP2_CTRL_ID_TRANSACT_ME_SOME_SPI_BRO:{ - //transact - uint32_t result = spi_transact( - (ctrl_data_in->data.spi_args.readback == 0)? SPI_TXONLY : SPI_TXRX, - ctrl_data_in->data.spi_args.dev, //which device - ctrl_data_in->data.spi_args.data, //32 bit data - ctrl_data_in->data.spi_args.num_bits, //length in bits - (ctrl_data_in->data.spi_args.mosi_edge == USRP2_CLK_EDGE_RISE)? SPIF_PUSH_FALL : SPIF_PUSH_RISE | - (ctrl_data_in->data.spi_args.miso_edge == USRP2_CLK_EDGE_RISE)? SPIF_LATCH_RISE : SPIF_LATCH_FALL - ); - - //load output - ctrl_data_out.data.spi_args.data = result; - ctrl_data_out.id = USRP2_CTRL_ID_OMG_TRANSACTED_SPI_DUDE; - } - break; - - /******************************************************************* - * I2C - ******************************************************************/ - case USRP2_CTRL_ID_DO_AN_I2C_READ_FOR_ME_BRO:{ - uint8_t num_bytes = ctrl_data_in->data.i2c_args.bytes; - i2c_read( - ctrl_data_in->data.i2c_args.addr, - ctrl_data_out.data.i2c_args.data, - num_bytes - ); - ctrl_data_out.id = USRP2_CTRL_ID_HERES_THE_I2C_DATA_DUDE; - ctrl_data_out.data.i2c_args.bytes = num_bytes; - } - break; - - case USRP2_CTRL_ID_WRITE_THESE_I2C_VALUES_BRO:{ - uint8_t num_bytes = ctrl_data_in->data.i2c_args.bytes; - i2c_write( - ctrl_data_in->data.i2c_args.addr, - ctrl_data_in->data.i2c_args.data, - num_bytes - ); - ctrl_data_out.id = USRP2_CTRL_ID_COOL_IM_DONE_I2C_WRITE_DUDE; - ctrl_data_out.data.i2c_args.bytes = num_bytes; - } - break; - - /******************************************************************* - * Peek and Poke Register - ******************************************************************/ - case USRP2_CTRL_ID_POKE_THIS_REGISTER_FOR_ME_BRO: - if (0){//ctrl_data_in->data.poke_args.addr < 0xC000){ - printf("error! tried to poke into 0x%x\n", ctrl_data_in->data.poke_args.addr); - } - else switch(ctrl_data_in->data.poke_args.num_bytes){ - case sizeof(uint64_t): - *((uint32_t *) ctrl_data_in->data.poke_args.addrhi) = (uint32_t)ctrl_data_in->data.poke_args.datahi; - //continue to uint32_t for low addr: - - case sizeof(uint32_t): - *((uint32_t *) ctrl_data_in->data.poke_args.addr) = (uint32_t)ctrl_data_in->data.poke_args.data; - break; - - case sizeof(uint16_t): - *((uint16_t *) ctrl_data_in->data.poke_args.addr) = (uint16_t)ctrl_data_in->data.poke_args.data; - break; - - case sizeof(uint8_t): - *((uint8_t *) ctrl_data_in->data.poke_args.addr) = (uint8_t)ctrl_data_in->data.poke_args.data; - break; - - } - ctrl_data_out.id = USRP2_CTRL_ID_OMG_POKED_REGISTER_SO_BAD_DUDE; - break; - - case USRP2_CTRL_ID_PEEK_AT_THIS_REGISTER_FOR_ME_BRO: - switch(ctrl_data_in->data.poke_args.num_bytes){ - case sizeof(uint64_t): - ctrl_data_out.data.poke_args.datahi = *((uint32_t *) ctrl_data_in->data.poke_args.addrhi); - //continue to uint32_t for low addr: - - case sizeof(uint32_t): - ctrl_data_out.data.poke_args.data = *((uint32_t *) ctrl_data_in->data.poke_args.addr); - break; - - case sizeof(uint16_t): - ctrl_data_out.data.poke_args.data = *((uint16_t *) ctrl_data_in->data.poke_args.addr); - break; - - case sizeof(uint8_t): - ctrl_data_out.data.poke_args.data = *((uint8_t *) ctrl_data_in->data.poke_args.addr); - break; - - } - ctrl_data_out.id = USRP2_CTRL_ID_WOAH_I_DEFINITELY_PEEKED_IT_DUDE; - break; - - case USRP2_CTRL_ID_SO_LIKE_CAN_YOU_READ_THIS_UART_BRO:{ - //executes a readline()-style read, up to num_bytes long, up to and including newline - int num_bytes = ctrl_data_in->data.uart_args.bytes; - if(num_bytes > 20) num_bytes = 20; - num_bytes = fngets_timeout(ctrl_data_in->data.uart_args.dev, (char *) ctrl_data_out.data.uart_args.data, num_bytes); - ctrl_data_out.id = USRP2_CTRL_ID_I_HELLA_READ_THAT_UART_DUDE; - ctrl_data_out.data.uart_args.bytes = num_bytes; - break; - } - - case USRP2_CTRL_ID_HEY_WRITE_THIS_UART_FOR_ME_BRO:{ - int num_bytes = ctrl_data_in->data.uart_args.bytes; - if(num_bytes > 20) num_bytes = 20; - //before we write to the UART, we flush the receive buffer - //this assumes that we're interested in the reply - hal_uart_rx_flush(ctrl_data_in->data.uart_args.dev); - fnputstr(ctrl_data_in->data.uart_args.dev, (char *) ctrl_data_in->data.uart_args.data, num_bytes); - ctrl_data_out.id = USRP2_CTRL_ID_MAN_I_TOTALLY_WROTE_THAT_UART_DUDE; - ctrl_data_out.data.uart_args.bytes = num_bytes; - break; - } - - default: - ctrl_data_out.id = USRP2_CTRL_ID_HUH_WHAT; - } - send_udp_pkt(USRP2_UDP_CTRL_PORT, src, &ctrl_data_out, sizeof(ctrl_data_out)); -} - -static void handle_inp_packet(uint32_t *buff, size_t num_lines){ - - //test if its an ip recovery packet - typedef struct{ - padded_eth_hdr_t eth_hdr; - char code[4]; - union { - struct ip_addr ip_addr; - } data; - }recovery_packet_t; - recovery_packet_t *recovery_packet = (recovery_packet_t *)buff; - if (recovery_packet->eth_hdr.ethertype == 0xbeee && strncmp(recovery_packet->code, "addr", 4) == 0){ - printf("Got ip recovery packet: "); print_ip_addr(&recovery_packet->data.ip_addr); newline(); - set_ip_addr(&recovery_packet->data.ip_addr); - return; - } - - //pass it to the slow-path handler - handle_eth_packet(buff, num_lines); -} - - -//------------------------------------------------------------------ - -/* - * Called when eth phy state changes (w/ interrupts disabled) - */ -void link_changed_callback(int speed){ - printf("\neth link changed: speed = %d\n", speed); - if (speed != 0){ - hal_set_leds(LED_RJ45, LED_RJ45); - pkt_ctrl_set_routing_mode(PKT_CTRL_ROUTING_MODE_MASTER); - send_gratuitous_arp(); - } - else{ - hal_set_leds(0x0, LED_RJ45); - pkt_ctrl_set_routing_mode(PKT_CTRL_ROUTING_MODE_SLAVE); - } -} - -static void setup_network(void){ - - //setup ethernet header machine - sr_udp_sm->eth_hdr.mac_dst_0_1 = (fp_mac_addr_dst.addr[0] << 8) | fp_mac_addr_dst.addr[1]; - sr_udp_sm->eth_hdr.mac_dst_2_3 = (fp_mac_addr_dst.addr[2] << 8) | fp_mac_addr_dst.addr[3]; - sr_udp_sm->eth_hdr.mac_dst_4_5 = (fp_mac_addr_dst.addr[4] << 8) | fp_mac_addr_dst.addr[5]; - sr_udp_sm->eth_hdr.mac_src_0_1 = (fp_mac_addr_src.addr[0] << 8) | fp_mac_addr_src.addr[1]; - sr_udp_sm->eth_hdr.mac_src_2_3 = (fp_mac_addr_src.addr[2] << 8) | fp_mac_addr_src.addr[3]; - sr_udp_sm->eth_hdr.mac_src_4_5 = (fp_mac_addr_src.addr[4] << 8) | fp_mac_addr_src.addr[5]; - sr_udp_sm->eth_hdr.ether_type = ETHERTYPE_IPV4; - - //setup ip header machine - unsigned int chksum = 0; - sr_udp_sm->ip_hdr.ver_ihl_tos = CHKSUM(0x4500, &chksum); // IPV4, 5 words of header (20 bytes), TOS=0 - sr_udp_sm->ip_hdr.total_length = UDP_SM_INS_IP_LEN; // Don't checksum this line in SW - sr_udp_sm->ip_hdr.identification = CHKSUM(0x0000, &chksum); // ID - sr_udp_sm->ip_hdr.flags_frag_off = CHKSUM(0x4000, &chksum); // don't fragment - sr_udp_sm->ip_hdr.ttl_proto = CHKSUM(0x2011, &chksum); // TTL=32, protocol = UDP (17 decimal) - //sr_udp_sm->ip_hdr.checksum .... filled in below - uint32_t src_ip_addr = fp_socket_src.addr.addr; - uint32_t dst_ip_addr = fp_socket_dst.addr.addr; - sr_udp_sm->ip_hdr.src_addr_high = CHKSUM(src_ip_addr >> 16, &chksum); // IP src high - sr_udp_sm->ip_hdr.src_addr_low = CHKSUM(src_ip_addr & 0xffff, &chksum); // IP src low - sr_udp_sm->ip_hdr.dst_addr_high = CHKSUM(dst_ip_addr >> 16, &chksum); // IP dst high - sr_udp_sm->ip_hdr.dst_addr_low = CHKSUM(dst_ip_addr & 0xffff, &chksum); // IP dst low - sr_udp_sm->ip_hdr.checksum = UDP_SM_INS_IP_HDR_CHKSUM | (chksum & 0xffff); - - //setup the udp header machine - sr_udp_sm->udp_hdr.src_port = UDP_SM_INS_UDP_SRC_PORT; - sr_udp_sm->udp_hdr.dst_port = UDP_SM_INS_UDP_DST_PORT; - sr_udp_sm->udp_hdr.length = UDP_SM_INS_UDP_LEN; - sr_udp_sm->udp_hdr.checksum = UDP_SM_LAST_WORD; // zero UDP checksum -} - -int -main(void) -{ - u2_init(); - -//we do this to see if we should set a default ip addr or not -#ifdef USRP2P - bool safe_fw = find_safe_booted_flag(); - set_safe_booted_flag(0); - if(safe_fw) { - set_default_ip_addr(); - set_default_mac_addr(); - } -#endif - - putstr("\nTxRx-NEWETH\n"); - print_mac_addr(ethernet_mac_addr()->addr); - newline(); - print_ip_addr(get_ip_addr()); newline(); - printf("FPGA compatibility number: %d\n", USRP2_FPGA_COMPAT_NUM); - printf("Firmware compatibility number: %d\n", USRP2_FW_COMPAT_NUM); - - //1) register the addresses into the network stack - register_addrs(ethernet_mac_addr(), get_ip_addr()); - pkt_ctrl_program_inspector(get_ip_addr(), USRP2_UDP_CTRL_PORT, USRP2_UDP_DATA_PORT); - - //2) register callbacks for udp ports we service - init_udp_listeners(); - register_udp_listener(USRP2_UDP_CTRL_PORT, handle_udp_ctrl_packet); - register_udp_listener(USRP2_UDP_DATA_PORT, handle_udp_data_packet); - register_udp_listener(USRP2_UDP_ERR0_PORT, handle_udp_err0_packet); - register_udp_listener(USRP2_UDP_UPDATE_PORT, handle_udp_fw_update_packet); - - //3) set the routing mode to slave and send a garp - pkt_ctrl_set_routing_mode(PKT_CTRL_ROUTING_MODE_SLAVE); - send_gratuitous_arp(); - - //4) setup ethernet hardware to bring the link up - ethernet_register_link_changed_callback(link_changed_callback); - ethernet_init(); - - while(true){ - - size_t num_lines; - void *buff = pkt_ctrl_claim_incoming_buffer(&num_lines); - if (buff != NULL){ - handle_inp_packet((uint32_t *)buff, num_lines); - pkt_ctrl_release_incoming_buffer(); - } - - pic_interrupt_handler(); - int pending = pic_regs->pending; // poll for under or overrun - - if (pending & PIC_UNDERRUN_INT){ - pic_regs->pending = PIC_UNDERRUN_INT; // clear interrupt - putchar('U'); - } - - if (pending & PIC_OVERRUN_INT){ - pic_regs->pending = PIC_OVERRUN_INT; // clear pending interrupt - putchar('O'); - } - } -} |