diff options
Diffstat (limited to 'host/apps/omap_debug/usrp-e-lb-test.c')
| -rw-r--r-- | host/apps/omap_debug/usrp-e-lb-test.c | 58 | 
1 files changed, 58 insertions, 0 deletions
diff --git a/host/apps/omap_debug/usrp-e-lb-test.c b/host/apps/omap_debug/usrp-e-lb-test.c new file mode 100644 index 000000000..68848064e --- /dev/null +++ b/host/apps/omap_debug/usrp-e-lb-test.c @@ -0,0 +1,58 @@ +#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 1016 + +int main(int argc, char *argv[]) +{ +	struct usrp_transfer_frame *tx_data, *rx_data; +	int i, fp, packet_data_length, cnt; +	struct usrp_e_ctl16 d; + +	if (argc < 2) { +		printf("%s data_size (in bytes < 2040)\n", argv[0]); +		return -1; +	} + +	packet_data_length = atoi(argv[1]); + +	fp = open("/dev/usrp_e0", O_RDWR); + +	d.offset = 14; +	d.count = 1; +	d.buf[0] = (1 << 13); +	ioctl(fp, USRP_E_WRITE_CTL16, &d); + +	tx_data = malloc(2048); +	rx_data = malloc(2048); + +	tx_data->status = 0; +	tx_data->len = sizeof(struct usrp_transfer_frame) + packet_data_length; + +	while (1) { + +		for (i = 0; i < packet_data_length; i++) { +			tx_data->buf[i] = random() >> 24; + +		} + +		cnt = write(fp, tx_data, 2048); +		cnt = read(fp, rx_data, 2048); + +		if (tx_data->len != rx_data->len) +			printf("Bad frame length sent %d, read %d\n", tx_data->len, rx_data->len); + +		for (i = 0; i < packet_data_length; i++) { +			if (tx_data->buf[i] != rx_data->buf[i]) +				printf("Bad data at %d, sent %d, received %d\n", i, tx_data->buf[i], rx_data->buf[i]); +		} +		printf("---------------------------------------------------\n"); +		sleep(1); +	} +}  | 
