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#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include "usrp_e.h"
// Usage: usrp_e_ctl w|r offset number_of_values val1 val2 ....
int main(int argc, char *argv[])
{
int fp, i, cnt, ret;
struct usrp_e_ctl16 ctl_data;
if (argc < 4) {
printf("Usage: usrp_e_ctl w|r offset number_of_values val1 val2 ....\n");
exit(-1);
}
cnt = atoi(argv[3]);
ctl_data.offset = atoi(argv[2]);
ctl_data.count = cnt;
fp = open("/dev/usrp_e0", O_RDWR);
printf("fp = %d\n", fp);
if (*argv[1] == 'w') {
for (i=0; i<cnt; i++)
ctl_data.buf[i] = atoi(argv[4+i]);
ret = ioctl(fp, USRP_E_WRITE_CTL16, &ctl_data);
printf("Return value from write ioctl = %d\n", ret);
}
if (*argv[1] == 'r') {
ret = ioctl(fp, USRP_E_READ_CTL16, &ctl_data);
printf("Return value from write ioctl = %d\n", ret);
for (i=0; i<ctl_data.count; i++) {
if (!(i%8))
printf("\nData at %4d :", i);
printf(" %5d", ctl_data.buf[i]);
}
printf("\n");
}
}
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