diff options
Diffstat (limited to 'host')
| -rw-r--r-- | host/apps/omap_debug/Makefile | 19 | ||||
| -rw-r--r-- | host/apps/omap_debug/usrp-e-crc-rw.c | 379 | ||||
| -rw-r--r-- | host/apps/omap_debug/usrp-e-loopback.c | 194 | ||||
| -rw-r--r-- | host/apps/omap_debug/usrp-e-mm-loopback.c | 273 | ||||
| -rw-r--r-- | host/apps/omap_debug/usrp-e-random-loopback.c | 149 |
5 files changed, 1 insertions, 1013 deletions
diff --git a/host/apps/omap_debug/Makefile b/host/apps/omap_debug/Makefile index 46d4714a8..dd27ba657 100644 --- a/host/apps/omap_debug/Makefile +++ b/host/apps/omap_debug/Makefile @@ -1,27 +1,12 @@ CFLAGS=-Wall -I../../lib/usrp/usrp_e/ -march=armv7-a -mtune=cortex-a8 -mfpu=neon -O3 CXXFLAGS=-Wall -I../../lib/usrp/usrp_e/ -march=armv7-a -mtune=cortex-a8 -mfpu=neon -O3 -all : usrp-e-spi usrp-e-i2c usrp-e-loopback usrp-e-mm-loopback usrp-e-uart usrp-e-led usrp-e-ctl usrp-e-button usrp-e-uart-rx fpga-downloader usrp-e-gpio usrp-e-debug-pins usrp-e-random-loopback usrp-e-timed usrp-e-lb-test usrp-e-crc-rw clkgen-config +all : usrp-e-spi usrp-e-i2c usrp-e-uart usrp-e-led usrp-e-ctl usrp-e-button usrp-e-uart-rx fpga-downloader usrp-e-gpio usrp-e-debug-pins usrp-e-lb-test usrp-e-crc-rw clkgen-config usrp-e-spi : usrp-e-spi.c usrp-e-i2c : usrp-e-i2c.c -usrp-e-loopback : usrp-e-loopback.c - gcc -o $@ $< -lpthread ${CFLAGS} - -usrp-e-mm-loopback : usrp-e-mm-loopback.c - gcc -o $@ $< -lpthread ${CFLAGS} - -usrp-e-timed : usrp-e-timed.c - gcc -o $@ $< -lpthread ${CFLAGS} - -usrp-e-random-loopback : usrp-e-random-loopback.c - gcc -o $@ $< -lpthread ${CFLAGS} - -usrp-e-crc-rw : usrp-e-crc-rw.c - gcc -o $@ $< -lpthread ${CFLAGS} - usrp-e-uart : usrp-e-uart.c usrp-e-uart-rx : usrp-e-uart-rx.c @@ -38,8 +23,6 @@ clkgen-config : clkgen-config.cc usrp-e-gpio : usrp-e-gpio.c -usrp-e-lb-test : usrp-e-lb-test.c - usrp-e-debug-pins : usrp-e-debug-pins.c clean : rm -f usrp-e-spi diff --git a/host/apps/omap_debug/usrp-e-crc-rw.c b/host/apps/omap_debug/usrp-e-crc-rw.c deleted file mode 100644 index 7f4ff0023..000000000 --- a/host/apps/omap_debug/usrp-e-crc-rw.c +++ /dev/null @@ -1,379 +0,0 @@ -#include <stdio.h> -#include <sys/types.h> -#include <sys/time.h> -#include <sys/ioctl.h> -#include <string.h> -#include <fcntl.h> -#include <pthread.h> -#include <stdlib.h> -#include <unistd.h> -#include <stddef.h> -#include <poll.h> -#include <sys/mman.h> -#include "usrp_e.h" - -// max length #define PKT_DATA_LENGTH 1016 -static int packet_data_length; - -struct ring_buffer_info (*rxi)[]; -struct ring_buffer_info (*txi)[]; -__u8 *rx_buf; -__u8 *tx_buf; -static struct usrp_e_ring_buffer_size_t rb_size; - -static int fp; -static u_int32_t crc_tab[256]; - -// CRC code from http://www.koders.com/c/fid699AFE0A656F0022C9D6B9D1743E697B69CE5815.aspx -// GPLv2 - -static u_int32_t chksum_crc32_gentab(void) -{ - unsigned long crc, poly; - unsigned long i, j; - - poly = 0x04C11DB7L; - - for (i = 0; i < 256; i++) { - crc = i; - for (j = 8; j > 0; j--) { - if (crc & 1) { - crc = (crc >> 1) ^ poly; - } else { - crc >>= 1; - } - } - crc_tab[i] = crc; -// printf("crc_tab[%d] = %X\n", i , crc); - } - - return 0; -} - -struct timeval delta_time(struct timeval f, struct timeval s) -{ - struct timeval d; - - if (f.tv_usec > s.tv_usec) { - d.tv_usec = f.tv_usec - s.tv_usec; - d.tv_sec = f.tv_sec - s.tv_sec; - } else { - d.tv_usec = f.tv_usec - s.tv_usec + 1e6; - d.tv_sec = f.tv_sec - s.tv_sec - 1; - } - - return d; -} - - -static void *read_thread(void *threadid) -{ - int cnt; - int rx_pkt_cnt, rb_read; - int i; - unsigned long crc, ck_sum; - unsigned int rx_crc, pkt_len, pkt_seq; - unsigned long bytes_transfered; - struct timeval start_time; - unsigned int prev_seq = 0; - int first = 1; - - __u8 *p; - - - printf("Greetings from the reading thread!\n"); - - // IMPORTANT: must assume max length packet from fpga - - rx_pkt_cnt = 0; - rb_read = 0; - - bytes_transfered = 0; - gettimeofday(&start_time, NULL); - - while (1) { - - while (!((*rxi)[rb_read].flags & RB_USER)) { - struct pollfd pfd; - pfd.fd = fp; - pfd.events = POLLIN; - poll(&pfd, 1, -1); - } - (*rxi)[rb_read].flags = RB_USER_PROCESS; - - rx_pkt_cnt++; - cnt = (*rxi)[rb_read].len; - p = rx_buf + (rb_read * 2048); - - rx_crc = *(int *) &p[cnt-4]; - crc = 0xFFFFFFFF; - ck_sum = 0; - - pkt_len = *(unsigned int *) &p[0]; - pkt_seq = *(unsigned int *) &p[4]; - -// printf("Pkt len = %X, pkt seq = %X, driver len = %X\n", pkt_len, pkt_seq, cnt); - - if (pkt_len != (cnt - 4)) - printf("Packet length check fail, driver len = %ud, content = %ud\n", - cnt, pkt_len); - - if (!first && (pkt_seq != (prev_seq + 1))) - printf("Sequence number check fail, pkt_seq = %ud, prev_seq = %ud\n", - pkt_seq, prev_seq); - first = 0; - prev_seq = pkt_seq; - - for (i = 0; i < cnt-4; i++) { - ck_sum += p[i]; - - crc = ((crc >> 8) & 0x00FFFFFF) ^ - crc_tab[(crc ^ p[i]) & 0xFF]; -//printf("idx = %d, data = %X, crc = %X, ck_sum = %X\n", i, p[i], crc, ck_sum); -// crc = ((crc >> 8) & 0x00FFFFFF) ^ -// crc_tab[(crc ^ p[i+1]) & 0xFF]; -//printf("idx = %d, data = %X, crc = %X\n", i, p[i+1],crc); - } - - (*rxi)[rb_read].flags = RB_KERNEL; - write(fp, NULL, 1); - - if (rx_crc != ck_sum) - printf("Ck_sum eror, calc ck_sum = %lX, rx ck_sum = %X\n", - ck_sum, rx_crc); - -#if 0 - if (rx_crc != (crc & 0xFFFFFFFF)) { - printf("CRC Error, calc crc: %X, rx_crc: %X\n", - (crc & 0xFFFFFFFF), rx_crc); - } -#endif - - rb_read++; - if (rb_read == rb_size.num_rx_frames) - rb_read = 0; - - bytes_transfered += cnt; - - if (bytes_transfered > (100 * 1000000)) { - struct timeval finish_time, d_time; - float elapsed_seconds; - - gettimeofday(&finish_time, NULL); - - printf("sec = %ld, usec = %ld\n", finish_time.tv_sec, finish_time.tv_usec); - - d_time = delta_time(finish_time, start_time); - - elapsed_seconds = (float)d_time.tv_sec + ((float)d_time.tv_usec * 1e-6f); - - printf("Bytes transfered = %ld, elapsed seconds = %f\n", bytes_transfered, elapsed_seconds); - printf("RX data transfer rate = %f K Samples/second\n", - (float) bytes_transfered / (float) elapsed_seconds / 4000); - - - start_time = finish_time; - bytes_transfered = 0; - } - } - return NULL; -} - -static void *write_thread(void *threadid) -{ - int i, tx_pkt_cnt, rb_write; - int tx_len; - unsigned long crc; - unsigned long bytes_transfered; - struct timeval start_time; - unsigned int pkt_seq = 0; - __u8 *p; - - printf("Greetings from the write thread!\n"); - - rb_write = 0; - tx_pkt_cnt = 0; - - bytes_transfered = 0; - gettimeofday(&start_time, NULL); - - while (1) { - - tx_pkt_cnt++; - p = tx_buf + (rb_write * 2048); - -// printf("p = %p\n", p); - - if (packet_data_length > 0) - tx_len = packet_data_length; - else - tx_len = (random() & 0x1ff) + (2044 - 512); - -#if 0 - if (tx_pkt_cnt == 512) { - printf("."); - fflush(stdout); - } - if (tx_pkt_cnt == 1024) { - printf("'"); - fflush(stdout); - } - if (tx_pkt_cnt == 1536) { - printf(":"); - fflush(stdout); - tx_pkt_cnt = 0; - } -#endif - -// printf("Checking for space at rb entry = %d\n", rb_write); - while (!((*txi)[rb_write].flags & RB_KERNEL)) { - struct pollfd pfd; - pfd.fd = fp; - pfd.events = POLLOUT; - poll(&pfd, 1, -1); - } -// printf("Got space\n"); - - for (i=8; i < tx_len-4; i++) { - p[i] = i & 0xFF; - } - - *(unsigned int *) &p[0] = tx_len-4; - *(unsigned int *) &p[4] = pkt_seq; - - pkt_seq++; - - crc = 0xFFFFFFFF; - for (i = 0; i < tx_len-4; i++) { -// printf("%X ", p[i]); - crc = ((crc >> 8) & 0x00FFFFFF) ^ - crc_tab[(crc ^ p[i]) & 0xFF]; - - } - *(unsigned int *) &p[tx_len-4] = crc; -// printf("\n crc = %lX\n", crc); - - (*txi)[rb_write].len = tx_len; - (*txi)[rb_write].flags = RB_USER; - - rb_write++; - if (rb_write == rb_size.num_tx_frames) - rb_write = 0; - - bytes_transfered += tx_len; - - if (bytes_transfered > (100 * 1000000)) { - struct timeval finish_time, d_time; - float elapsed_seconds; - - gettimeofday(&finish_time, NULL); - - d_time = delta_time(finish_time, start_time); - - elapsed_seconds = (float)d_time.tv_sec - ((float)d_time.tv_usec * 1e-6f); - - printf("Bytes transfered = %ld, elapsed seconds = %f\n", bytes_transfered, elapsed_seconds); - printf("TX data transfer rate = %f K Samples/second\n", - (float) bytes_transfered / (float) elapsed_seconds / 4000); - - - start_time = finish_time; - bytes_transfered = 0; - } - -// sleep(1); - } - return NULL; -} - - -int main(int argc, char *argv[]) -{ - pthread_t tx, rx; - long int t=0; - int fpga_config_flag ,decimation; - int ret, map_size, page_size; - void *rb; - - struct usrp_e_ctl16 d; - struct sched_param s = { - .sched_priority = 1 - }; - - if (argc < 4) { - printf("%s r|w|rw decimation data_size\n", argv[0]); - return -1; - } - - chksum_crc32_gentab(); - - decimation = atoi(argv[2]); - packet_data_length = atoi(argv[3]); - - fp = open("/dev/usrp_e0", O_RDWR); - printf("fp = %d\n", fp); - - page_size = getpagesize(); - - ret = ioctl(fp, USRP_E_GET_RB_INFO, &rb_size); - - map_size = (rb_size.num_pages_rx_flags + rb_size.num_pages_tx_flags) * page_size + - (rb_size.num_rx_frames + rb_size.num_tx_frames) * (page_size >> 1); - - rb = mmap(0, map_size, PROT_READ|PROT_WRITE, MAP_SHARED, fp, 0); - if (rb == MAP_FAILED) { - perror("mmap failed"); - return -1; - } - - printf("rb = %p\n", rb); - - rxi = rb; - rx_buf = rb + (rb_size.num_pages_rx_flags * page_size); - txi = rb + (rb_size.num_pages_rx_flags * page_size) + - (rb_size.num_rx_frames * page_size >> 1); - tx_buf = rb + (rb_size.num_pages_rx_flags * page_size) + - (rb_size.num_rx_frames * page_size >> 1) + - (rb_size.num_pages_tx_flags * page_size); - - fpga_config_flag = (1<<8); - if (strcmp(argv[1], "w") == 0) - fpga_config_flag |= (1 << 11); - else if (strcmp(argv[1], "r") == 0) - fpga_config_flag |= (1 << 10); - else if (strcmp(argv[1], "rw") == 0) - fpga_config_flag |= ((1 << 10) | (1 << 11)); - - fpga_config_flag |= decimation; - - d.offset = 14; - d.count = 1; - d.buf[0] = fpga_config_flag; - ioctl(fp, USRP_E_WRITE_CTL16, &d); - - sleep(1); // in case the kernel threads need time to start. FIXME if so - - sched_setscheduler(0, SCHED_RR, &s); - - if (fpga_config_flag & (1 << 10)) { - if (pthread_create(&rx, NULL, read_thread, (void *) t)) { - printf("Failed to create rx thread\n"); - exit(-1); - } - } - - sleep(1); - - if (fpga_config_flag & (1 << 11)) { - if (pthread_create(&tx, NULL, write_thread, (void *) t)) { - printf("Failed to create tx thread\n"); - exit(-1); - } - } - - sleep(10000); - - printf("Done sleeping\n"); - - return 0; -} diff --git a/host/apps/omap_debug/usrp-e-loopback.c b/host/apps/omap_debug/usrp-e-loopback.c deleted file mode 100644 index d11cf7d09..000000000 --- a/host/apps/omap_debug/usrp-e-loopback.c +++ /dev/null @@ -1,194 +0,0 @@ -#include <stdio.h> -#include <sys/types.h> -#include <fcntl.h> -#include <pthread.h> -#include <stdlib.h> -#include <unistd.h> -#include <stddef.h> -#include <sys/mman.h> -#include "usrp_e.h" - -// max length #define PKT_DATA_LENGTH 1016 -static int packet_data_length; -static int error; - -struct pkt { - int len; - int checksum; - int seq_num; - short data[]; -}; - -static int fp; - -static int calc_checksum(struct pkt *p) -{ - int i, sum; - - i = 0; - sum = 0; - - for (i=0; i < p->len; i++) - sum += p->data[i]; - - sum += p->seq_num; - sum += p->len; - - return sum; -} - -static void *read_thread(void *threadid) -{ - char *rx_data; - int cnt, prev_seq_num, pkt_count, seq_num_failure; - struct pkt *p; - unsigned long bytes_transfered, elapsed_seconds; - struct timeval start_time, finish_time; - - printf("Greetings from the reading thread!\n"); - - bytes_transfered = 0; - gettimeofday(&start_time, NULL); - - // IMPORTANT: must assume max length packet from fpga - rx_data = malloc(2048); - p = (struct pkt *) ((void *)rx_data); - - prev_seq_num = 0; - pkt_count = 0; - seq_num_failure = 0; - - while (1) { - - cnt = read(fp, rx_data, 2048); - if (cnt < 0) - printf("Error returned from read: %d, sequence number = %d\n", cnt, p->seq_num); - -// printf("p->seq_num = %d\n", p->seq_num); - - - pkt_count++; - - if (p->seq_num != prev_seq_num + 1) { - printf("Sequence number fail, current = %d, previous = %d, pkt_count = %d\n", - p->seq_num, prev_seq_num, pkt_count); - - seq_num_failure ++; - if (seq_num_failure > 2) - error = 1; - } - - prev_seq_num = p->seq_num; - - if (calc_checksum(p) != p->checksum) { - printf("Checksum fail packet = %X, expected = %X, pkt_count = %d\n", - calc_checksum(p), p->checksum, pkt_count); - error = 1; - } - - bytes_transfered += cnt; - - if (bytes_transfered > (100 * 1000000)) { - gettimeofday(&finish_time, NULL); - elapsed_seconds = finish_time.tv_sec - start_time.tv_sec; - - printf("RX data transfer rate = %f K Samples/second\n", - (float) bytes_transfered / (float) elapsed_seconds / 4000); - - - start_time = finish_time; - bytes_transfered = 0; - } - - -// printf("."); -// fflush(stdout); -// printf("\n"); - } - -} - -static void *write_thread(void *threadid) -{ - int seq_number, i, cnt; - void *tx_data; - struct pkt *p; - - printf("Greetings from the write thread!\n"); - - tx_data = malloc(2048); - p = (struct pkt *) ((void *)tx_data); - - for (i=0; i < packet_data_length; i++) -// p->data[i] = random() >> 16; - p->data[i] = i; - - seq_number = 1; - - while (1) { - p->seq_num = seq_number++; - - if (packet_data_length > 0) - p->len = packet_data_length; - else - p->len = (random() & 0x1ff) + (1004 - 512); - - p->checksum = calc_checksum(p); - - cnt = write(fp, tx_data, p->len * 2 + 12); - if (cnt < 0) - printf("Error returned from write: %d\n", cnt); -// sleep(1); - } -} - - -int main(int argc, char *argv[]) -{ - pthread_t tx, rx; - long int t; - struct sched_param s = { - .sched_priority = 1 - }; - void *rb; - struct usrp_transfer_frame *tx_rb, *rx_rb; - - if (argc < 2) { - printf("%s data_size\n", argv[0]); - return -1; - } - - packet_data_length = atoi(argv[1]); - - fp = open("/dev/usrp_e0", O_RDWR); - printf("fp = %d\n", fp); - - rb = mmap(0, 202 * 4096, PROT_READ|PROT_WRITE, MAP_SHARED, fp, 0); - if (!rb) { - printf("mmap failed\n"); - exit; - } - - - sched_setscheduler(0, SCHED_RR, &s); - error = 0; - -#if 1 - if (pthread_create(&rx, NULL, read_thread, (void *) t)) { - printf("Failed to create rx thread\n"); - exit(-1); - } - - sleep(1); -#endif - - if (pthread_create(&tx, NULL, write_thread, (void *) t)) { - printf("Failed to create tx thread\n"); - exit(-1); - } - -// while (!error) - sleep(1000000000); - - printf("Done sleeping\n"); -} diff --git a/host/apps/omap_debug/usrp-e-mm-loopback.c b/host/apps/omap_debug/usrp-e-mm-loopback.c deleted file mode 100644 index 14f68a5c3..000000000 --- a/host/apps/omap_debug/usrp-e-mm-loopback.c +++ /dev/null @@ -1,273 +0,0 @@ -#include <stdio.h> -#include <string.h> -#include <sys/types.h> -#include <sys/ioctl.h> -#include <fcntl.h> -#include <pthread.h> -#include <stdlib.h> -#include <unistd.h> -#include <stddef.h> -#include <sys/mman.h> -#include <sys/time.h> -#include <poll.h> -#include "usrp_e.h" - -// max length #define PKT_DATA_LENGTH 1016 -static int packet_data_length; -static int error; - -struct pkt { - int len; - int checksum; - int seq_num; - short data[1024-6]; -}; - -struct ring_buffer_info (*rxi)[]; -struct ring_buffer_info (*txi)[]; -struct pkt (*rx_buf)[200]; -struct pkt (*tx_buf)[200]; - -static int fp; -static struct usrp_e_ring_buffer_size_t rb_size; - -static int calc_checksum(struct pkt *p) -{ - int i, sum; - - i = 0; - sum = 0; - - for (i=0; i < p->len; i++) - sum += p->data[i]; - - sum += p->seq_num; - sum += p->len; - - return sum; -} - -static void *read_thread(void *threadid) -{ - int cnt, prev_seq_num, pkt_count, seq_num_failure; - struct pkt *p; - unsigned long bytes_transfered, elapsed_seconds; - struct timeval start_time, finish_time; - int rb_read; - - printf("Greetings from the reading thread!\n"); - printf("sizeof pkt = %d\n", sizeof(struct pkt)); - - rb_read = 0; - - bytes_transfered = 0; - gettimeofday(&start_time, NULL); - - prev_seq_num = 0; - pkt_count = 0; - seq_num_failure = 0; - - while (1) { - - if (!((*rxi)[rb_read].flags & RB_USER)) { -// printf("Waiting for data\n"); - struct pollfd pfd; - pfd.fd = fp; - pfd.events = POLLIN; - poll(&pfd, 1, -1); - } - - (*rxi)[rb_read].flags = RB_USER_PROCESS; - -// printf("pkt received, rb_read = %d\n", rb_read); - - cnt = (*rxi)[rb_read].len; - p = &(*rx_buf)[rb_read]; - -// cnt = read(fp, rx_data, 2048); -// if (cnt < 0) -// printf("Error returned from read: %d, sequence number = %d\n", cnt, p->seq_num); - -// printf("p = %X, p->seq_num = %d p->len = %d\n", p, p->seq_num, p->len); - - - pkt_count++; - - if (p->seq_num != prev_seq_num + 1) { - printf("Sequence number fail, current = %d, previous = %d, pkt_count = %d\n", - p->seq_num, prev_seq_num, pkt_count); - printf("pkt received, rb_read = %d\n", rb_read); - printf("p = %p, p->seq_num = %d p->len = %d\n", p, p->seq_num, p->len); - - seq_num_failure ++; - if (seq_num_failure > 2) - error = 1; - } - - prev_seq_num = p->seq_num; - - if (calc_checksum(p) != p->checksum) { - printf("Checksum fail packet = %X, expected = %X, pkt_count = %d\n", - calc_checksum(p), p->checksum, pkt_count); - error = 1; - } - - (*rxi)[rb_read].flags = RB_KERNEL; - - rb_read++; - if (rb_read == rb_size.num_rx_frames) - rb_read = 0; - - bytes_transfered += cnt; - - if (bytes_transfered > (100 * 1000000)) { - gettimeofday(&finish_time, NULL); - elapsed_seconds = finish_time.tv_sec - start_time.tv_sec; - - printf("RX data transfer rate = %f K Samples/second\n", - (float) bytes_transfered / (float) elapsed_seconds / 4000); - - - start_time = finish_time; - bytes_transfered = 0; - } - - -// printf("."); -// fflush(stdout); -// printf("\n"); - } - return NULL; -} - -static void *write_thread(void *threadid) -{ - int seq_number, i, cnt, rb_write; - void *tx_data; - struct pkt *p; - - printf("Greetings from the write thread!\n"); - - tx_data = malloc(2048); - p = (struct pkt *) ((void *)tx_data); - - for (i=0; i < packet_data_length; i++) -// p->data[i] = random() >> 16; - p->data[i] = i; - - seq_number = 1; - rb_write = 0; - - while (1) { - p->seq_num = seq_number++; - - if (packet_data_length > 0) - p->len = packet_data_length; - else - p->len = (random() & 0x1ff) + (1004 - 512); - - p->checksum = calc_checksum(p); - - if (!((*txi)[rb_write].flags & RB_KERNEL)) { -// printf("Waiting for space\n"); - struct pollfd pfd; - pfd.fd = fp; - pfd.events = POLLOUT; - poll(&pfd, 1, -1); - } - - memcpy(&(*tx_buf)[rb_write], tx_data, p->len * 2 + 12); - - (*txi)[rb_write].len = p->len * 2 + 12; - (*txi)[rb_write].flags = RB_USER; - - rb_write++; - if (rb_write == rb_size.num_tx_frames) - rb_write = 0; - - cnt = write(fp, NULL, 0); -// if (cnt < 0) -// printf("Error returned from write: %d\n", cnt); -// sleep(1); - } - return NULL; -} - - -int main(int argc, char *argv[]) -{ - pthread_t tx, rx; - long int t = 0; - struct sched_param s = { - .sched_priority = 1 - }; - int ret, map_size, page_size; - void *rb; - struct usrp_e_ctl16 d; - - if (argc < 2) { - printf("%s data_size\n", argv[0]); - return -1; - } - - packet_data_length = atoi(argv[1]); - - fp = open("/dev/usrp_e0", O_RDWR); - printf("fp = %d\n", fp); - - d.offset = 14; - d.count = 1; - d.buf[0] = (1<<8) | (1<<9); - ioctl(fp, USRP_E_WRITE_CTL16, &d); - - page_size = getpagesize(); - - ret = ioctl(fp, USRP_E_GET_RB_INFO, &rb_size); - - map_size = (rb_size.num_pages_rx_flags + rb_size.num_pages_tx_flags) * page_size + - (rb_size.num_rx_frames + rb_size.num_tx_frames) * (page_size >> 1); - - rb = mmap(0, map_size, PROT_READ|PROT_WRITE, MAP_SHARED, fp, 0); - if (rb == MAP_FAILED) { - perror("mmap failed"); - return -1; - } - - printf("rb = %p\n", rb); - - rxi = rb; - rx_buf = rb + (rb_size.num_pages_rx_flags * page_size); - txi = rb + (rb_size.num_pages_rx_flags * page_size) + - (rb_size.num_rx_frames * page_size >> 1); - tx_buf = rb + (rb_size.num_pages_rx_flags * page_size) + - (rb_size.num_rx_frames * page_size >> 1) + - (rb_size.num_pages_tx_flags * page_size); - - printf("rxi = %p, rx_buf = %p, txi = %p, tx_buf = %p\n", rxi, rx_buf, txi, tx_buf); - - if ((ret = sched_setscheduler(0, SCHED_RR, &s))) - perror("sched_setscheduler"); - - error = 0; - -#if 1 - if (pthread_create(&rx, NULL, read_thread, (void *) t)) { - printf("Failed to create rx thread\n"); - exit(-1); - } - - sleep(1); -#endif - - if (pthread_create(&tx, NULL, write_thread, (void *) t)) { - printf("Failed to create tx thread\n"); - exit(-1); - } - -// while (!error) - sleep(1000000000); - - printf("Done sleeping\n"); - - return 0; -} diff --git a/host/apps/omap_debug/usrp-e-random-loopback.c b/host/apps/omap_debug/usrp-e-random-loopback.c deleted file mode 100644 index 5960b8fbd..000000000 --- a/host/apps/omap_debug/usrp-e-random-loopback.c +++ /dev/null @@ -1,149 +0,0 @@ -#include <stdio.h> -#include <sys/types.h> -#include <fcntl.h> -#include <pthread.h> -#include <stdlib.h> -#include <unistd.h> -#include <stddef.h> -#include "usrp_e.h" - -// max length #define PKT_DATA_LENGTH 1014 -static int packet_data_length; - -struct pkt { - int checksum; - int seq_num; - int len; - short data[]; -}; - -static int fp; - -static int calc_checksum(struct pkt *p) -{ - int i, sum; - - i = 0; - sum = 0; - - for (i=0; i < p->len; i++) - sum += p->data[i]; - - sum += p->seq_num; - - return sum; -} - -int randN(int n) -{ - long tmp; - - tmp = rand() % n; - - return tmp; -} - -static void *read_thread(void *threadid) -{ - int cnt, prev_seq_num; - struct usrp_transfer_frame *rx_data; - struct pkt *p; - - printf("Greetings from the reading thread!\n"); - - // IMPORTANT: must assume max length packet from fpga - rx_data = malloc(sizeof(struct usrp_transfer_frame) + sizeof(struct pkt) + (1014 * 2)); - rx_data = malloc(2048); - p = (struct pkt *) ((void *)rx_data + offsetof(struct usrp_transfer_frame, buf)); - //p = &(rx_data->buf[0]); - printf("Address of rx_data = %p, p = %p\n", rx_data, p); - printf("offsetof = %d\n", offsetof(struct usrp_transfer_frame, buf)); - printf("sizeof rx data = %d\n", sizeof(struct usrp_transfer_frame) + sizeof(struct pkt)); - - prev_seq_num = 0; - - while (1) { - - cnt = read(fp, rx_data, 2048); -// printf("Packet received, status = %X, len = %d\n", rx_data->status, rx_data->len); -// printf("p->seq_num = %d\n", p->seq_num); - - if (p->seq_num != prev_seq_num + 1) - printf("Sequence number fail, current = %d, previous = %d\n", - p->seq_num, prev_seq_num); - prev_seq_num = p->seq_num; - - if (calc_checksum(p) != p->checksum) - printf("Checksum fail packet = %d, expected = %d\n", - calc_checksum(p), p->checksum); - printf("."); - fflush(stdout); -// printf("\n"); - } - -} - -static void *write_thread(void *threadid) -{ - int seq_number, i, cnt, pkt_cnt; - struct usrp_transfer_frame *tx_data; - struct pkt *p; - - printf("Greetings from the write thread!\n"); - - // Allocate max length buffer for frame - tx_data = malloc(2048); - p = (struct pkt *) ((void *)tx_data + offsetof(struct usrp_transfer_frame, buf)); - printf("Address of tx_data = %p, p = %p\n", tx_data, p); - - printf("sizeof rp_transfer_frame = %d, sizeof pkt = %d\n", sizeof(struct usrp_transfer_frame), sizeof(struct pkt)); - - for (i=0; i < 1014; i++) -// p->data[i] = random() >> 16; - p->data[i] = i; - - tx_data->status = 0xdeadbeef; - tx_data->len = 8 + packet_data_length * 2; - - printf("tx_data->len = %d\n", tx_data->len); - - seq_number = 1; - - while (1) { - pkt_cnt = randN(16); - for (i = 0; i < pkt_cnt; i++) { - p->seq_num = seq_number++; - p->len = randN(1013) + 1; - p->checksum = calc_checksum(p); - tx_data->len = 12 + p->len * 2; - cnt = write(fp, tx_data, tx_data->len + 8); - } - sleep(random() >> 31); - } -} - - -int main(int argc, char *argv[]) -{ - pthread_t tx, rx; - long int t; - - fp = open("/dev/usrp_e0", O_RDWR); - printf("fp = %d\n", fp); - - if (pthread_create(&rx, NULL, read_thread, (void *) t)) { - printf("Failed to create rx thread\n"); - exit(-1); - } - - sleep(1); - - if (pthread_create(&tx, NULL, write_thread, (void *) t)) { - printf("Failed to create tx thread\n"); - exit(-1); - } - - sleep(1000000000); - - printf("Done sleeping\n"); -} |