mirror of
https://github.com/saymrwulf/uhd.git
synced 2026-05-16 21:10:10 +00:00
48 lines
938 B
C
48 lines
938 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include <string.h>
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#include <sys/ioctl.h>
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#include "usrp_e.h"
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#include "usrp_e_regs.hpp"
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// Usage: usrp_e_uart <string>
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int main(int argc, char *argv[])
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{
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int fp, i, ret;
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struct usrp_e_ctl16 d;
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char *str = argv[1];
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__u16 clkdiv;
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if (argc < 2) {
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printf("Usage: usrp_e_uart <string> <opt clkdiv>\n");
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printf("clkdiv = 278 is 230.4k \n");
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printf("clkdiv = 556 is 115.2k \n");
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exit(-1);
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}
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fp = open("/dev/usrp_e0", O_RDWR);
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printf("fp = %d\n", fp);
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if (argc == 3) {
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clkdiv = atoi(argv[2]);
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d.offset = UE_REG_UART_CLKDIV;
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d.count = 1;
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d.buf[0] = clkdiv;
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ret = ioctl(fp, USRP_E_WRITE_CTL16, &d);
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}
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for (i=0; i<strlen(str); i++) {
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d.offset = UE_REG_UART_TXCHAR;
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d.count = 1;
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d.buf[0] = str[i];
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ret = ioctl(fp, USRP_E_WRITE_CTL16, &d);
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printf("Wrote %X, to %X, ret = %d\n", d.buf[0], d.offset, ret);
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}
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return 0;
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}
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