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Revision 2dde134c

ID2dde134ca53ca2a44f4bcdcd3f91ef32067ec2c9
Parent 9e26460d
Child e2a3c71f

Added by Thomas Mullins almost 10 years ago

Shorted modbus timeout

View differences:

mainbox/main.c
7 7 
#include <signal.h>
8 8 
#include <string.h>
9 9 
#include <stdio.h>
10 

  		




  11
  
  
    
#define SLEEP_MS 25


  		




  
  10
  
    
#include <sys/time.h>


  		




  12
  11
  
    

  		




  13
  12
  
    
static struct tool_t tools[] = {


  		




  14
  13
  
    
  TOOL_DECL("Mill", 1),


  		




  ......




  52
  51
  
    

  		




  53
  52
  
    
int tooltron_main(const char *device, const char *server) {


  		




  54
  53
  
    
  struct sigaction sigact;


  		




  55
  
  
    
  int i;


  		




  
  54
  
    
  struct timeval time_prev, time_cur;


  		




  
  55
  
    
  int i, diff;


  		




  56
  56
  
    

  		




  57
  57
  
    
  log_print("Serial device: %s", device);


  		




  58
  58
  
    
  log_print("CRM server: http://%s/", server);


  		




  ......




  81
  81
  
    

  		




  82
  82
  
    
  log_print("Modbus initialized; polling tools...");


  		




  83
  83
  
    

  		




  
  84
  
    
  gettimeofday(&time_prev, NULL);


  		




  
  85
  
    

  		




  84
  86
  
    
  i = 0;


  		




  85
  87
  
    
  while (run) {


  		




  86
  88
  
    
    tool_poll(&tools[i]);


  		




  ......




  95
  97
  
    
      cache_clear();


  		




  96
  98
  
    
      clear_cache = 0;


  		




  97
  99
  
    
    }


  		




  98
  
  
    
    usleep(SLEEP_MS * (useconds_t)1000);


  		




  
  100
  
    

  		




  
  101
  
    
    // slow loop period down to MB_TIMEOUT_MS


  		




  
  102
  
    
    gettimeofday(&time_cur, NULL);


  		




  
  103
  
    
    diff = (time_cur.tv_sec - time_prev.tv_sec) * 1000000


  		




  
  104
  
    
         + (time_cur.tv_usec - time_prev.tv_usec);


  		




  
  105
  
    
    diff = MB_TIMEOUT_MS * 1000 - diff;


  		




  
  106
  
    
    if (diff > 0) {


  		




  
  107
  
    
      usleep(diff);


  		




  
  108
  
    
    }


  		




  
  109
  
    
    gettimeofday(&time_prev, NULL);


  		




  
  110
  
    

  		




  99
  111
  
    
    i = (i+1) % N_TOOLS;


  		




  100
  112
  
    
  }


  		




  101
  113
  
    
  log_print("Recieved SIGINT or SIGTERM, shutting down");


  		












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