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-rw-r--r--firmware/microblaze/apps/txrx_uhd.c120
-rw-r--r--firmware/microblaze/lib/banal.c18
-rw-r--r--firmware/microblaze/lib/banal.h3
-rw-r--r--firmware/microblaze/lib/memory_map.h4
-rw-r--r--firmware/microblaze/lib/u2_init.c4
5 files changed, 2 insertions, 147 deletions
diff --git a/firmware/microblaze/apps/txrx_uhd.c b/firmware/microblaze/apps/txrx_uhd.c
index 8ff3b8c58..d5b400e0c 100644
--- a/firmware/microblaze/apps/txrx_uhd.c
+++ b/firmware/microblaze/apps/txrx_uhd.c
@@ -126,14 +126,7 @@ dbsm_t dsp_rx_sm; // the state machine
// The mac address of the host we're sending to.
eth_mac_addr_t host_mac_addr;
-//controls continuous streaming...
-static bool auto_reload_command = false;
-static size_t streaming_items_per_frame = 0;
-static int streaming_frame_count = 0;
-#define FRAMES_PER_CMD 2
-
static void setup_network(void);
-static void setup_vrt(void);
// ----------------------------------------------------------------
// the fast-path setup global variables
@@ -154,9 +147,6 @@ void handle_udp_data_packet(
struct socket_address src, struct socket_address dst,
unsigned char *payload, int payload_len
){
- //store the 2nd word as the following:
- streaming_items_per_frame = ((uint32_t *)payload)[1];
-
//its a tiny payload, load the fast-path variables
fp_mac_addr_src = *ethernet_mac_addr();
arp_cache_lookup_mac(&src.addr, &fp_mac_addr_dst);
@@ -177,23 +167,12 @@ void handle_udp_data_packet(
//setup network and vrt
setup_network();
- setup_vrt();
// kick off the state machine
dbsm_start(&dsp_rx_sm);
}
-static void inline issue_stream_command(size_t nsamps, bool now, bool chain, uint32_t secs, uint32_t ticks, bool start){
- //printf("Stream cmd: nsamps %d, now %d, chain %d, secs %u, ticks %u\n", (int)nsamps, now, chain, secs, ticks);
- sr_rx_ctrl->cmd = MK_RX_CMD(nsamps, now, chain);
-
- if (start) dbsm_start(&dsp_rx_sm);
-
- sr_rx_ctrl->time_secs = secs;
- sr_rx_ctrl->time_ticks = ticks; // enqueue command
-}
-
#define OTW_GPIO_BANK_TO_NUM(bank) \
(((bank) == USRP2_DIR_RX)? (GPIO_RX_BANK) : (GPIO_TX_BANK))
@@ -304,72 +283,6 @@ void handle_udp_ctrl_packet(
break;
/*******************************************************************
- * Streaming
- ******************************************************************/
- case USRP2_CTRL_ID_SEND_STREAM_COMMAND_FOR_ME_BRO:{
-
- //issue two commands and set the auto-reload flag
- if (ctrl_data_in->data.stream_cmd.continuous){
- printf("Setting up continuous streaming...\n");
- printf("items per frame: %d\n", (int)streaming_items_per_frame);
- hal_set_leds(LED_A, LEDS_SW);
- auto_reload_command = true;
- streaming_frame_count = FRAMES_PER_CMD;
-
- issue_stream_command(
- streaming_items_per_frame * FRAMES_PER_CMD,
- (ctrl_data_in->data.stream_cmd.now == 0)? false : true, //now
- true, //chain
- ctrl_data_in->data.stream_cmd.secs,
- ctrl_data_in->data.stream_cmd.ticks,
- true //start
- );
-
- issue_stream_command(
- streaming_items_per_frame * FRAMES_PER_CMD,
- true, //now
- true, //chain
- 0, 0, //time does not matter
- false
- );
-
- }
-
- //issue regular stream commands (split commands if too large)
- else{
- hal_set_leds(0, LEDS_SW);
- auto_reload_command = false;
- size_t num_samps = ctrl_data_in->data.stream_cmd.num_samps;
- if (num_samps == 0) num_samps = 1; //FIXME hack, zero is used when stopping continuous streaming but it somehow makes it inifinite
-
- bool chain = num_samps > MAX_SAMPLES_PER_CMD;
- issue_stream_command(
- (chain)? streaming_items_per_frame : num_samps, //nsamps
- (ctrl_data_in->data.stream_cmd.now == 0)? false : true, //now
- (ctrl_data_in->data.stream_cmd.chain == 0)? chain : true, //chain
- ctrl_data_in->data.stream_cmd.secs,
- ctrl_data_in->data.stream_cmd.ticks,
- false
- );
-
- //handle rest of the samples that did not fit into one cmd
- while(chain){
- num_samps -= MAX_SAMPLES_PER_CMD;
- chain = num_samps > MAX_SAMPLES_PER_CMD;
- issue_stream_command(
- (chain)? streaming_items_per_frame : num_samps, //nsamps
- true, //now
- (ctrl_data_in->data.stream_cmd.chain == 0)? chain : true, //chain
- 0, 0, //time does not matter
- false
- );
- }
- }
- ctrl_data_out.id = USRP2_CTRL_ID_GOT_THAT_STREAM_COMMAND_DUDE;
- break;
- }
-
- /*******************************************************************
* Peek and Poke Register
******************************************************************/
case USRP2_CTRL_ID_POKE_THIS_REGISTER_FOR_ME_BRO:
@@ -463,25 +376,6 @@ eth_pkt_inspector(dbsm_t *sm, int bufno)
//------------------------------------------------------------------
-static bool vrt_has_trailer(void){
- return USRP2_HOST_RX_VRT_TRAILER_WORDS32 > 0;
-}
-
-static void setup_vrt(void){
- // setup RX DSP regs
- sr_rx_ctrl->nsamples_per_pkt = streaming_items_per_frame;
- sr_rx_ctrl->nchannels = 1;
- sr_rx_ctrl->clear_overrun = 1; // reset
- sr_rx_ctrl->vrt_header = (0
- | VRTH_PT_IF_DATA_WITH_SID
- | (vrt_has_trailer()? VRTH_HAS_TRAILER : 0)
- | VRTH_TSI_OTHER
- | VRTH_TSF_SAMPLE_CNT
- );
- sr_rx_ctrl->vrt_stream_id = 0;
- sr_rx_ctrl->vrt_trailer = 0;
-}
-
/*
* 1's complement sum for IP and UDP headers
*
@@ -554,13 +448,6 @@ fw_sets_seqno_inspector(dbsm_t *sm, int buf_this) // returns false
buff->control_word = MK_RX_CTRL_WORD(vrt_len);
buff->vrt_header[0] = (buff->vrt_header[0] & ~VRTH_PKT_SIZE_MASK) | (vrt_len & VRTH_PKT_SIZE_MASK);
- // queue up another rx command when required
- if (auto_reload_command && --streaming_frame_count == 0){
- streaming_frame_count = FRAMES_PER_CMD;
- sr_rx_ctrl->time_secs = 0;
- sr_rx_ctrl->time_ticks = 0; //enqueue last command
- }
-
return false; // we didn't handle the packet
}
@@ -662,13 +549,6 @@ hal_gpio_set_sels(GPIO_RX_BANK, "aaaaaaaaaaaaaaaa");
// FIXME Figure out how to handle this robustly.
// Any buffers that are emptying should be allowed to drain...
- if (auto_reload_command){
- // restart_streaming();
- // FIXME report error
- }
- else {
- // FIXME report error
- }
putchar('O');
}
}
diff --git a/firmware/microblaze/lib/banal.c b/firmware/microblaze/lib/banal.c
index 23f5f3b8a..42937957f 100644
--- a/firmware/microblaze/lib/banal.c
+++ b/firmware/microblaze/lib/banal.c
@@ -29,21 +29,3 @@ get_uint64(const unsigned char *s)
{
return (((uint64_t)get_uint32(s)) << 32) | get_uint32(s+4);
}
-
-uint32_t
-divide_uint64(uint64_t dividend, uint32_t divisor)
-{
- uint32_t result = 0;
- uint64_t dividend_ = 0;
- for(int i = 31; i >= 0; i--){
- //approximate the divisor with the ith result bit set
- uint64_t tmp = dividend_;
- tmp += (uint64_t)divisor << i;
- //set the ith result bit if the approximation is less
- if (tmp <= dividend){
- dividend_ = tmp;
- result |= 1 << i;
- }
- }
- return result;
-}
diff --git a/firmware/microblaze/lib/banal.h b/firmware/microblaze/lib/banal.h
index 6d9420602..7b3c71a20 100644
--- a/firmware/microblaze/lib/banal.h
+++ b/firmware/microblaze/lib/banal.h
@@ -87,7 +87,4 @@ get_int64(const unsigned char *s)
void
print_ip(struct ip_addr ip);
-uint32_t
-divide_uint64(uint64_t dividend, uint32_t divisor);
-
#endif /* INCLUDED_BANAL_H */
diff --git a/firmware/microblaze/lib/memory_map.h b/firmware/microblaze/lib/memory_map.h
index fed1e5259..cdf3dd338 100644
--- a/firmware/microblaze/lib/memory_map.h
+++ b/firmware/microblaze/lib/memory_map.h
@@ -525,10 +525,6 @@ typedef struct {
volatile uint32_t pad[7]; // Make each structure 16 elements long
} sr_rx_ctrl_t;
-#define MAX_SAMPLES_PER_CMD 0x3fffffff
-#define MK_RX_CMD(nsamples, now, chain) \
- ((((now) & 0x1) << 31) | (((chain) & 0x1) << 30) | ((nsamples) & 0x3fffffff))
-
#define sr_rx_ctrl ((sr_rx_ctrl_t *) _SR_ADDR(SR_RX_CTRL))
// --- dsp rx regs ---
diff --git a/firmware/microblaze/lib/u2_init.c b/firmware/microblaze/lib/u2_init.c
index 399d834cb..40237ba87 100644
--- a/firmware/microblaze/lib/u2_init.c
+++ b/firmware/microblaze/lib/u2_init.c
@@ -50,8 +50,8 @@ u2_init(void)
hal_gpio_set_ddr(GPIO_TX_BANK, 0x0000, 0xffff);
hal_gpio_set_ddr(GPIO_RX_BANK, 0x0000, 0xffff);
- hal_gpio_write(GPIO_TX_BANK, 0x0000, 0xffff); // init s/w output value to zero
- hal_gpio_write(GPIO_RX_BANK, 0x0000, 0xffff);
+ //hal_gpio_write(GPIO_TX_BANK, 0x0000, 0xffff); // init s/w output value to zero
+ //hal_gpio_write(GPIO_RX_BANK, 0x0000, 0xffff);
dsp_rx_regs->gpio_stream_enable = 0; // I, Q LSBs come from DSP
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 19:11:26 +0000