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67 lines
1.3 KiB
67 lines
1.3 KiB
#include <linux/types.h>
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#include <linux/input.h>
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#include <linux/hidraw.h>
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#include <sys/ioctl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <errno.h>
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int main(int argc, char **argv)
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{
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int fd;
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int i, res = 0;
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char buf[256];
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/* Open the Device with non-blocking reads. In real life,
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don't use a hard coded path; use libudev instead. */
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fd = open("/dev/hidraw0", O_RDWR|O_NONBLOCK);
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if (fd < 0) {
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perror("Unable to open device");
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return 1;
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}
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memset(buf, 0x0, sizeof(buf));
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switch (argv[1][0]) {
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case '0':
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break;
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case '1':
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buf[2] = 0xff;
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break;
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case '2':
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buf[3] = 0xff;
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break;
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case '3':
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buf[4] = 0xff;
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break;
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case '4':
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buf[5] = 0xff;
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break;
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default:
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printf("Please specify 0 ... 4 as single argument.\n");
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}
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/* Send a Report to the Device */
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buf[0] = 0x00; /* Report Number */
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buf[1] = 0x00; /* Report ID */
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//buf[2] = 0x01; /* Buzzer 1 */
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//buf[3] = 0x00; /* Buzzer 2 */
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//buf[4] = 0x00; /* Buzzer 3 */
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//buf[5] = 0x01; /* Buzzer 4 */
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res = write(fd, buf, 6);
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if (res < 0) {
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printf("Error: %d\n", errno);
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perror("write");
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} else {
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//printf("write() wrote %d bytes\n", res);
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}
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close(fd);
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return 0;
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}
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