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-rw-r--r--host/apps/omap_debug/usrp-e-crc-rw.c46
1 files changed, 36 insertions, 10 deletions
diff --git a/host/apps/omap_debug/usrp-e-crc-rw.c b/host/apps/omap_debug/usrp-e-crc-rw.c
index b0982de86..8883366ae 100644
--- a/host/apps/omap_debug/usrp-e-crc-rw.c
+++ b/host/apps/omap_debug/usrp-e-crc-rw.c
@@ -1,5 +1,8 @@
#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>
@@ -34,6 +37,8 @@ static u_int32_t chksum_crc32_gentab(void)
}
crc_tab[i] = crc;
}
+
+ return 0;
}
static void *read_thread(void *threadid)
@@ -47,6 +52,9 @@ static void *read_thread(void *threadid)
unsigned long bytes_transfered, elapsed_seconds;
struct timeval start_time, finish_time;
+ __u8 *p;
+ __u32 *pi;
+
printf("Greetings from the reading thread!\n");
// IMPORTANT: must assume max length packet from fpga
@@ -81,12 +89,24 @@ static void *read_thread(void *threadid)
crc = ((crc >> 8) & 0x00FFFFFF) ^
crc_tab[(crc ^ rx_data->buf[i]) & 0xFF];
}
-
- rx_crc = *((int *) &rx_data[rx_data->len - 4]);
-
+
+ p = &rx_data->buf[rx_data->len - 4];
+ pi = (__u32 *) p;
+ rx_crc = *pi;
+
+#if 1
+ printf("rx_data->len = %d\n", rx_data->len);
+ printf("rx_data->flags = %d\n", rx_data->flags);
+ for (i = 0; i < rx_data->len; i++)
+ printf("idx = %d, data = %X\n", i, rx_data->buf[i]);
+ printf("calc crc = %lX, rx crc = %X\n", crc, rx_crc);
+ fflush(stdout);
+ break;
+#endif
+
if (rx_crc != (crc & 0xFFFFFFFF)) {
- printf("CRC Error, sent: %d, rx: %d\n",
- rx_crc, (crc & 0xFFFFFFFF));
+ printf("CRC Error, calc crc: %X, rx_crc: %X\n",
+ (crc & 0xFFFFFFFF), rx_crc);
}
bytes_transfered += rx_data->len;
@@ -95,8 +115,9 @@ static void *read_thread(void *threadid)
gettimeofday(&finish_time, NULL);
elapsed_seconds = finish_time.tv_sec - start_time.tv_sec;
- printf("RX data transfer rate = %f K Bps\n",
- (float) bytes_transfered / (float) elapsed_seconds / 1000);
+ 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 / 250);
start_time = finish_time;
@@ -166,8 +187,9 @@ static void *write_thread(void *threadid)
gettimeofday(&finish_time, NULL);
elapsed_seconds = finish_time.tv_sec - start_time.tv_sec;
- printf("TX data transfer rate = %f K Bps\n",
- (float) bytes_transfered / (float) elapsed_seconds / 1000);
+ 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 / 250);
start_time = finish_time;
@@ -194,6 +216,8 @@ int main(int argc, char *argv[])
return -1;
}
+ chksum_crc32_gentab();
+
decimation = atoi(argv[2]);
packet_data_length = atoi(argv[3]);
@@ -217,7 +241,7 @@ int main(int argc, char *argv[])
sleep(1); // in case the kernel threads need time to start. FIXME if so
-// sched_setscheduler(0, SCHED_RR, &s);
+ sched_setscheduler(0, SCHED_RR, &s);
if (fpga_config_flag & (1 << 14)) {
if (pthread_create(&rx, NULL, read_thread, (void *) t)) {
@@ -238,4 +262,6 @@ int main(int argc, char *argv[])
sleep(10000);
printf("Done sleeping\n");
+
+ return 0;
}