1 files changed, 97 insertions, 0 deletions
diff --git a/host/apps/omap_debug/usrp-e-rw.c b/host/apps/omap_debug/usrp-e-rw.c
new file mode 100644
index 000000000..cd7fbe4dd
--- /dev/null
+++ b/host/apps/omap_debug/usrp-e-rw.c
@@ -0,0 +1,97 @@
+#include <stdio.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <pthread.h>
+#include <stdlib.h>
+
+struct pkt {
+	int checksum;
+	int seq_num;
+	short data[1020];
+};
+
+static int fp;
+
+static int calc_checksum(struct pkt *p)
+{
+	int i, sum;
+
+	i = 0;
+	sum = 0;
+
+	for (i=0; i<1020; i++)
+		sum += p->data[i];
+
+	sum += p->seq_num;
+
+	return sum;
+}
+
+static void *read_thread(void *threadid)
+{
+	int cnt, prev_seq_num;
+	struct pkt rx_data;
+
+	printf("Greetings from the reading thread!\n");
+
+	prev_seq_num = 0;
+
+	while (1) {
+		cnt = read(fp, &rx_data, 2048);
+
+		if (rx_data.seq_num != prev_seq_num + 1)
+			printf("Sequence number fail, current = %d, previous = %d\n",
+				rx_data.seq_num, prev_seq_num);
+		prev_seq_num = rx_data.seq_num;
+
+		if (calc_checksum(&rx_data) != rx_data.checksum)
+			printf("Checksum fail packet = %d, expected = %d\n",
+				calc_checksum(&rx_data), rx_data.checksum);
+	}
+
+}
+
+static void *write_thread(void *threadid)
+{
+	int seq_number, i, cnt;
+	struct pkt tx_data;
+
+	printf("Greetings from the write thread!\n");
+
+	for (i=0; i<1020; i++)
+		tx_data.data[i] = random() >> 16;
+
+
+	seq_number = 1;
+
+	while (1) {
+		tx_data.seq_num = seq_number++;
+		tx_data.checksum = calc_checksum(&tx_data);
+		cnt = write(fp, &tx_data, 2048);
+	}
+}
+
+
+int main(int argc, char *argv[])
+{
+	int ret;
+	pthread_t tx, rx;
+	long int t;
+
+	fp = open("/dev/usrp1_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);
+	}
+
+	if (pthread_create(&tx, NULL, write_thread, (void *) t)) {
+		printf("Failed to create tx thread\n");
+		exit(-1);
+	}
+
+	sleep(10000);
+
+	printf("Done sleeping\n");
+}