git.itanic.dy.fi Git - glucose/blob - main.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <unistd.h>
   4 #include <linux/types.h>
   5 #include <sys/types.h>
   6 #include <sys/stat.h>
   7 #include <fcntl.h>
   8 #include <string.h>
   9 #include <errno.h>
  10
  11 #include "hiddev.h"
  12 #include "utils.h"
  13 #include "options.h"
  14 #include "contour-protocol.h"
  15
  16 int main(int argc, char *argv[])
  17 {
  18         FILE *outf;
  19         struct user_options opts;
  20         struct msg msg;
  21         int fd, usage_code, ret, error;
  22
  23         read_args(argc, argv, &opts);
  24
  25         trace_level = opts.trace_level;
  26
  27         if (opts.output_path) {
  28                 outf = fopen(opts.output_path, "w");
  29                 if (outf == NULL) {
  30                         error = errno;
  31                         trace(0, "Failed to open output file %s: %s\n",
  32                                 opts.output_path, strerror(error));
  33                         return 1;
  34                 }
  35         } else {
  36                 outf = stdout;
  37         }
  38
  39         if (opts.usbdev == NULL)
  40                 fd = wait_for_device(CONTOUR_USB_VENDOR_ID,
  41                                 CONTOUR_USB_PRODUCT_ID, &usage_code);
  42         else
  43                 fd = hiddev_open(opts.usbdev, &usage_code);
  44         if (fd < 0)
  45                 return 1;
  46
  47         trace(0, "Initializing\n");
  48         contour_initialize(fd, usage_code);
  49
  50         trace(0, "Done! Reading data\n");
  51         while (1) {
  52                 ret = contour_read_entry(fd, usage_code, &msg);
  53                 sanitize_ascii(msg.data, ret);
  54
  55                 if (ret < 45)
  56                         break;
  57
  58                 fprintf(outf, "%s\n", msg.data);
  59         }
  60
  61         return 0;
  62 }