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 "mem.h"
  16 #include "interface.h"
  17
  18 #define MSG_GET_TASK 't'
  19 #define MSG_DEL_TASK 'd'
  20 #define MSG_SDS_SPEC 's'
  21 #define MSG_SDS_DEL 'a'
  22 #define MSG_SDS_UPD 'u'
  23 #define MSG_SPEC 'c'
  24 #define MSG_SHUTDOWN 'h'
  25
  26 #define LOOPDELAY 100
  27
  28 void read_message(void)
  29 {
  30   //Find next task
  31   if (input_available()) {
  32     uint8_t c = read_byte();
  33     debug("Receiving input: %c %02x\n", c, c);
  34     switch (c) {
  35       case MSG_SDS_SPEC:
  36         debug("Receiving an sds");
  37         sds_register();
  38         break;
  39       case MSG_SDS_UPD:
  40         debug("Receiving an sds update");
  41         //TODO do something with the return value
  42         c = read16();
  43         sds_update(c);
  44         break;
  45       case MSG_SDS_DEL:
  46         debug("Receiving a delete SDS request");
  47         c = read16();
  48         sds_delete(c);
  49         write_byte('a');
  50         write16(c);
  51         write_byte('\n');
  52         break;
  53       case MSG_DEL_TASK:
  54         debug("Receiving a delete task request");
  55         c = read16();
  56         task_delete(c);
  57         break;
  58       case MSG_GET_TASK:
  59         debug("Receiving a task");
  60         task_register();
  61         break;
  62       case MSG_SPEC:
  63         debug("Receiving a spec request");
  64         spec_send();
  65         break;
  66       case MSG_SHUTDOWN:
  67         debug("Shutdown received");
  68         mem_reset();
  69         reset();
  70       case '\0':
  71         debug("Server closed connection");
  72         break;
  73       case '\n':
  74         break;
  75       default:
  76         debug("Unknown message: %X", c);
  77     }
  78   } else {
  79     //          debug("No input");
  80   }
  81 }
  82
  83 unsigned long loopmillis = 0;
  84 void loop(void)
  85 {
  86 #if defined ARDUINO_ESP8266_NODEMCU || defined ARDUINO_AVR_UNO
  87   if (getmillis() - loopmillis < LOOPDELAY) {
  88     return;
  89   }
  90   loopmillis = getmillis();
  91 #endif
  92   read_message();
  93
  94   //Run tasks
  95   unsigned long cyclestart = getmillis();
  96   for (struct task *t = task_head(); t != NULL; t = task_next(t)) {
  97     //interrupt task
  98     if (is_interrupt_task(t) && had_interrupt(t)) {
  99       debug("Interrupt task %d not implemented", t->taskid);
 100       run_task(t);
 101       //Interval task, and interval passed
 102     } else if (cyclestart - t->lastrun > t->interval) {
 103       debug("Running interval task: %d", t->taskid);
 104       run_task(t);
 105
 106       //Oneshot task, thus disable
 107       if (t->interval == 0) {
 108         task_delete(t->taskid);
 109       }
 110       t->lastrun = cyclestart;
 111     }
 112   }
 113 }
 114
 115 #ifdef STM
 116 int main(void) {
 117 #elif defined ARDUINO_ESP8266_NODEMCU || defined ARDUINO_AVR_UNO
 118 void setup() {
 119 #elif defined LINUX
 120 int main(int argc, char *argv[]) {
 121   gargc = argc;
 122   gargv = argv;
 123 #endif
 124
 125   //Initialize device independant functionality
 126   real_setup();
 127
 128 #if !defined(ARDUINO_ESP8266_NODEMCU) && !defined(ARDUINO_AVR_UNO)
 129   while (true) {
 130     //Check for newtasks
 131     loop();
 132     msdelay(LOOPDELAY);
 133   }
 134
 135   return 0;
 136 #endif
 137 }