client/main.c

   1 #include <stdbool.h>
   2 #include <stdint.h>
   3 #include <stdlib.h>
   4 #include <string.h>
   5
   6 #ifdef STM
   7 #else
   8 #include <stdio.h>
   9 #endif
  10
  11 #include "interpret.h"
  12 #include "mTaskSymbols.h"
  13 #include "sds.h"
  14 #include "task.h"
  15 #include "interface.h"
  16
  17 #define MSG_GET_TASK 't'
  18 #define MSG_DEL_TASK 'd'
  19 #define MSG_SDS_SPEC 's'
  20 #define MSG_SDS_DEL 'a'
  21 #define MSG_SDS_UPD 'u'
  22
  23 void read_message(void)
  24 {
  25         //Find next task
  26         if(input_available()){
  27                 uint8_t c = read_byte();
  28                 debug("Receiving input: %c %02x\n", c, c);
  29                 switch(c){
  30                 case MSG_SDS_SPEC:
  31                         debug("Receiving an sds");
  32                         sds_register();
  33                         break;
  34                 case MSG_SDS_UPD:
  35                         debug("Receiving an sds update");
  36                         //TODO do something with the return value
  37                         sds_update();
  38                         break;
  39                 case MSG_SDS_DEL:
  40                         debug("Receiving a delete SDS request");
  41                         sds_delete();
  42                         break;
  43                 case MSG_DEL_TASK:
  44                         debug("Receiving a delete task request");
  45                         task_delete();
  46                         break;
  47                 case MSG_GET_TASK:
  48                         debug("Receiving a task");
  49                         task_register();
  50                         break;
  51                 case '\0':
  52                         break;
  53                 case '\n':
  54                         break;
  55                 default:
  56                         debug("Unknown message: %X", c);
  57                 }
  58         }
  59 }
  60
  61 void loop(void)
  62 {
  63         int ct;
  64         long cyclestart;
  65         struct task *curtask;
  66
  67         read_message();
  68
  69         //Run tasks
  70         cyclestart = millis();
  71         for(ct = 0; ct<MAXTASKS; ct++){
  72                 //See whether the task is even in use
  73                 if((curtask = task_get(ct)) == NULL){
  74 //                      debug("Task %d not implemented\n", ct);
  75                         continue;
  76                 }
  77                 //Onshot task
  78                 if(curtask->interval == 0){
  79                         run_task(curtask);
  80                         curtask->used = false;
  81                 //Interrupt task
  82                 } else if(curtask->interval & 32768){
  83                         debug("Interrupt task %d not implemented", ct);
  84                 //Interval task, check if interval is passed
  85                 } else if(cyclestart-curtask->lastrun > curtask->interval){
  86                         debug("Running interval task: %d", ct);
  87                         run_task(curtask);
  88                         curtask->lastrun = cyclestart;
  89                 }
  90         }
  91 }
  92
  93 #ifdef STM
  94 int main(void){
  95 #else
  96 int main(int argc, char *argv[]){
  97         gargc = argc;
  98         gargv = argv;
  99 #endif
 100
 101         //Initialize systems
 102         setup();
 103         sds_init();
 104         task_init();
 105         debug("booting up");
 106         while(true){
 107                 //Check for newetasks
 108                 loop();
 109                 delay(50);
 110         }
 111         return 0;
 112 }