1 files changed, 0 insertions, 309 deletions
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 c6f3427f0..000000000
--- a/host/apps/omap_debug/usrp-e-crc-rw.c
+++ /dev/null
@@ -1,309 +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 = 0xEDB88320L;
-
-	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;
-	}
-
-	return 0;
-}
-
-static void *read_thread(void *threadid)
-{
-	int cnt;
-	int rx_pkt_cnt, rb_read;
-	int i;
-	unsigned long crc;
-	unsigned int rx_crc;
-	unsigned long bytes_transfered, elapsed_seconds;
-	struct timeval start_time, finish_time;
-
-	__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;
-			ssize_t ret = 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;
-		for (i = 0; i < cnt - 4; i+=2) {
-			crc = ((crc >> 8) & 0x00FFFFFF) ^
-				crc_tab[(crc ^ p[i+1]) & 0xFF];
-//printf("idx = %d, data = %X, crc = %X\n", i, p[i+1],crc);
-			crc = ((crc >> 8) & 0x00FFFFFF) ^
-				crc_tab[(crc ^ p[i]) & 0xFF];
-//printf("idx = %d, data = %X, crc = %X\n", i, p[i],crc);
-		}
-
-		(*rxi)[rb_read].flags = RB_KERNEL;
-
-#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)) {
-			gettimeofday(&finish_time, NULL);
-			elapsed_seconds = finish_time.tv_sec - start_time.tv_sec;
-
-			printf("Bytes transfered = %ld, elapsed seconds = %ld\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;
-		}
-	}	
-}
-	
-static void *write_thread(void *threadid)
-{
-	int i, tx_pkt_cnt, rb_write;
-	int tx_len;
-	unsigned long crc;
-	unsigned long bytes_transfered, elapsed_seconds;
-	struct timeval start_time, finish_time;
-	__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;
-			ssize_t ret = poll(&pfd, 1, -1);
-		}
-//		printf("Got space\n");
-
-		crc = 0xFFFFFFFF;
-		for (i = 0; i < tx_len-4; i++) {
-			p[i] = i & 0xFF;
-
-			crc = ((crc >> 8) & 0x00FFFFFF) ^
-				crc_tab[(crc ^ p[i]) & 0xFF];
-
-		}
-		*(int *) &p[tx_len-4] = 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)) {
-			gettimeofday(&finish_time, NULL);
-			elapsed_seconds = finish_time.tv_sec - start_time.tv_sec;
-
-			printf("Bytes transfered = %d, elapsed seconds = %d\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);
-	}
-}
-
-
-int main(int argc, char *argv[])
-{
-	pthread_t tx, rx;
-	long int t;
-	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 = %X\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 = 0;
-	if (strcmp(argv[1], "w") == 0)
-		fpga_config_flag |= (1 << 15);
-	else if (strcmp(argv[1], "r") == 0)
-		fpga_config_flag |= (1 << 14);
-	else if (strcmp(argv[1], "rw") == 0)
-		fpga_config_flag |= ((1 << 15) | (1 << 14));
-
-	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 << 14)) {
-		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 << 15)) {
-		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;
-}