client/client.c

   1 #include <stdbool.h>
   2 #include <stdint.h>
   3 #include <stdlib.h>
   4 #include <string.h>
   5
   6 #ifdef LINUX
   7 #include <stdio.h>
   8 #endif
   9
  10 #include "interpret.h"
  11 #include "mTaskSymbols.h"
  12 #include "sds.h"
  13 #include "spec.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 #define MSG_SPEC 'c'
  23
  24 #define LOOPDELAY 100
  25
  26 void read_message(void)
  27 {
  28         //Find next task
  29         if(input_available()){
  30                 uint8_t c = read_byte();
  31                 debug("Receiving input: %c %02x\n", c, c);
  32                 switch(c){
  33                 case MSG_SDS_SPEC:
  34                         debug("Receiving an sds");
  35                         sds_register();
  36                         break;
  37                 case MSG_SDS_UPD:
  38                         debug("Receiving an sds update");
  39                         //TODO do something with the return value
  40                         sds_update();
  41                         break;
  42                 case MSG_SDS_DEL:
  43                         debug("Receiving a delete SDS request");
  44                         sds_delete();
  45                         break;
  46                 case MSG_DEL_TASK:
  47                         debug("Receiving a delete task request");
  48                         task_delete();
  49                         break;
  50                 case MSG_GET_TASK:
  51                         debug("Receiving a task");
  52                         task_register();
  53                         break;
  54                 case MSG_SPEC:
  55                         debug("Receiving a spec request");
  56                         spec_send();
  57                         break;
  58                 case '\0':
  59                         debug("Server closed connection");
  60                         break;
  61                 case '\n':
  62                         break;
  63                 default:
  64                         debug("Unknown message: %X", c);
  65                 }
  66         }
  67 }
  68
  69 unsigned long loopmillis = 0;
  70 void loop(void)
  71 {
  72 #ifdef ARDUINO_ESP8266_NODEMCU
  73         if(getmillis()-loopmillis < LOOPDELAY){
  74                 return;
  75         }
  76 #endif
  77
  78         int ct;
  79         long cyclestart;
  80         struct task *curtask;
  81
  82         read_message();
  83
  84         //Run tasks
  85         cyclestart = getmillis();
  86         for(ct = 0; ct<MAXTASKS; ct++){
  87                 //See whether the task is even in use
  88                 if((curtask = task_get(ct)) == NULL){
  89 //                      debug("Task %d not implemented\n", ct);
  90                         continue;
  91                 }
  92                 //interrupt task
  93                 if(is_interrupt_task(curtask) && had_interrupt(curtask)){
  94                         debug("Interrupt task %d not implemented", ct);
  95                         run_task(curtask);
  96                 //Interval task, and interval passed
  97                 } else if(cyclestart-curtask->lastrun > curtask->interval){
  98                         debug("Running interval task: %d", ct);
  99                         run_task(curtask);
 100
 101                         //Oneshot task, thus disable
 102                         if(curtask->interval == 0){
 103                                 curtask->used = false;
 104                         }
 105                         curtask->lastrun = cyclestart;
 106                 }
 107         }
 108 }
 109
 110 #ifdef STM
 111 int main(void){
 112 #elif defined ARDUINO_ESP8266_NODEMCU
 113 void setup(){
 114 #elif defined LINUX
 115 int main(int argc, char *argv[]){
 116         gargc = argc;
 117         gargv = argv;
 118 #endif
 119
 120         //Initialize systems
 121         real_setup();
 122         sds_init();
 123         task_init();
 124         debug("sending device spec");
 125
 126 #ifndef ARDUINO_ESP8266_NODEMCU
 127         while(true){
 128                 //Check for newtasks
 129                 loop();
 130                 msdelay(LOOPDELAY);
 131         }
 132
 133         return 0;
 134 #endif
 135 }