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