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#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <fcntl.h>
#include <string.h>
#include <sys/ioctl.h>
#include "usrp_e.h"
#include "usrp_e_regs.hpp"
// Usage: usrp_e_uart <string>
int main(int argc, char *argv[])
{
int fp, i, ret;
struct usrp_e_ctl16 d;
char *str = argv[1];
__u16 clkdiv;
if (argc < 2) {
printf("Usage: usrp_e_uart <string> <opt clkdiv>\n");
printf("clkdiv = 278 is 230.4k \n");
printf("clkdiv = 556 is 115.2k \n");
exit(-1);
}
fp = open("/dev/usrp_e0", O_RDWR);
printf("fp = %d\n", fp);
if (argc == 3) {
clkdiv = atoi(argv[2]);
d.offset = UE_REG_UART_CLKDIV;
d.count = 1;
d.buf[0] = clkdiv;
ret = ioctl(fp, USRP_E_WRITE_CTL16, &d);
}
for (i=0; i<strlen(str); i++) {
d.offset = UE_REG_UART_TXCHAR;
d.count = 1;
d.buf[0] = str[i];
ret = ioctl(fp, USRP_E_WRITE_CTL16, &d);
printf("Wrote %X, to %X, ret = %d\n", d.buf[0], d.offset, ret);
}
return 0;
}
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