git.itanic.dy.fi Git - log-plotter/blob - main.c

   1 #include <stdio.h>
   2 #include <unistd.h>
   3 #include <string.h>
   4
   5 #include "options.h"
   6 #include "config.h"
   7 #include "baud.h"
   8 #include "trace.h"
   9 #include "data.h"
  10 #include "event.h"
  11 #include "plotter_status.h"
  12
  13 struct log_plotter_status plotter_state;
  14
  15 int main(int argc, char *argv[])
  16 {
  17         struct plotter_options options;
  18         struct plotter_config cfg;
  19         int fd, baud, ret = 0;
  20
  21         bzero(&cfg, sizeof(cfg));
  22
  23         if (read_args(argc, argv, &options))
  24                 return 1;
  25
  26         if (options.config_file_path)
  27                 populate_config_data_from_file(options.config_file_path, &cfg);
  28
  29         baud = options.baud_rate;
  30         fd = open_at_baud(options.device_path, &baud);
  31         if (fd < 0)
  32                 return 1;
  33
  34         if (baud != options.baud_rate) {
  35                 pr_err("Failed to set baudrate to %d, only got %d\n",
  36                         options.baud_rate, baud);
  37                 ret = 1;
  38                 goto out;
  39         }
  40
  41         init_data_parser(fd, &cfg);
  42
  43         while (plotter_state.system_status != SYSTEM_STATUS_NO_USB) {
  44                 poll_events(10000);
  45
  46                 if (plotter_state.old_system_status !=
  47                         plotter_state.system_status) {
  48                         pr_debug("Status changing from %s to %s",
  49                                 state_to_str(plotter_state.old_system_status),
  50                                 state_to_str(plotter_state.system_status));
  51
  52                         plotter_state.old_system_status =
  53                                 plotter_state.system_status;
  54                 }
  55         }
  56
  57 out:
  58         close(fd);
  59         return ret;
  60 }