uhd

CFLAGS=-Wall

all : usrp-e-spi usrp-e-i2c

usrp-e-i2c : usrp-e-i2c.c

clean :

	rm -f usrp-e-spi

	rm -f usrp-e-i2c

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <sys/types.h>

#include <fcntl.h>

#include <sys/ioctl.h>

#include "usrp1_e.h"

// Usage: usrp_e_i2c w address data0 data1 data 2 ....

// Usage: usrp_e_i2c r address count

int main(int argc, char *argv[])

{

	int fp, ret, i;

	struct usrp_e_i2c *i2c_msg;

	int direction, address, count;

	if (argc < 3) {

		printf("Usage: usrp1_e_i2c w address data0 data1 data2 ...\n");

		printf("Usage: usrp1_e_i2c r address count\n");

		exit(-1);

	}

	if (strcmp(argv[1], "r") == 0) {

		direction = 0;

	} else if (strcmp(argv[1], "w") == 0) {

		direction = 1;

	} else {

		return -1;

	}

	address = atoi(argv[2]);

	fp = open("/dev/usrp1_e0", O_RDWR);

	printf("fp = %d\n", fp);

	if (direction) {

		count = argc - 2;

	} else {

		count = atoi(argv[3]);

	}

	i2c_msg = malloc(sizeof(i2c_msg) + count * sizeof(char));

	i2c_msg->addr = address;

	i2c_msg->len = count;

	if (direction) {

		// Write

		for (i=0; i<count; i++) {

			i2c_msg->data[i] = atoi(argv[3+i]);

		}

		ret = ioctl(fp, USRP_E_I2C_WRITE, i2c_msg);

		printf("Return value from i2c_write ioctl: %d\n", ret);

	} else {

		// Read

		ret = ioctl(fp, USRP_E_I2C_READ, i2c_msg);

		printf("Ioctl: %d Data read :", ret);

		for (i=0; i<count; i++) {

			printf(" %X", i2c_msg->data[i]);

		}

		printf("/n");

	}

	return 0;

}

#include <sys/ioctl.h>

	return 0;