int/nucleo-f767-blinky/src/sds.c

   1 #include <stdlib.h>
   2 #include <string.h>
   3
   4 #ifndef ARDUINO
   5 #include <unistd.h>
   6 #include <stdio.h>
   7 #endif
   8
   9 #include "main.h"
  10 #include "interpret.h"
  11 #include "misc.h"
  12 #include "sds.h"
  13
  14 struct sds sdss[MAXSDSS];
  15 uint8_t c;
  16
  17 void sds_init()
  18 {
  19         memset(&sdss, 0, sizeof(struct sds)*MAXSDSS);
  20 }
  21
  22 void sds_register()
  23 {
  24         uint8_t cs;
  25         for(cs = 0; cs<MAXSDSS; cs++)
  26                 if(!sdss[cs].used)
  27                         break;
  28
  29         if(cs == MAXSDSS)
  30                 die("Trying to add too much tasks...\n");
  31
  32         memset(&sdss[cs], 0, sizeof(struct sds));
  33         //Read identifier
  34         sdss[cs].id = read16();
  35         //Read value
  36         sdss[cs].value = read16();
  37
  38         debug("\nReceived sds %d: %d\n", sdss[cs].id, sdss[cs].value);
  39         sdss[cs].used = true;
  40 }
  41
  42 bool sds_update()
  43 {
  44         uint8_t cs, id;
  45         //Read identifier
  46         id = read_byte();
  47
  48         for(cs = 0; cs<MAXSDSS; cs++){
  49                 if(!sdss[cs].used)
  50                         continue;
  51                 if(sdss[cs].id == id){
  52                         //Read value
  53                         sdss[cs].value = read16();
  54                         return true;
  55                 }
  56         }
  57         return false;
  58 }
  59
  60 void sds_publish(int id)
  61 {
  62         uint8_t cs;
  63         for(cs = 0; cs<MAXSDSS; cs++){
  64                 if(sdss[cs].used && sdss[cs].id == id){
  65                         debug("Publish %d=%d\n", sdss[cs].id, sdss[cs].value);
  66                         write_byte('u');
  67                         write_byte(0);
  68                         write_byte(sdss[cs].id);
  69                         write_byte(sdss[cs].value/265);
  70                         write_byte(sdss[cs].value%265);
  71                         return;
  72                 }
  73         }
  74         debug("SDS identifier unknown: %d\n", id);
  75 }
  76
  77 int sds_fetch(int id)
  78 {
  79         uint8_t cs;
  80         for(cs = 0; cs<MAXSDSS; cs++)
  81                 if(sdss[cs].used && sdss[cs].id == id)
  82                         return sdss[cs].value;
  83         debug("SDS identifier unknown: %d\n", id);
  84         return 0;
  85 }
  86
  87 void sds_store(int id, int val)
  88 {
  89         uint8_t cs;
  90         for(cs = 0; cs<MAXSDSS; cs++) {
  91                 if(sdss[cs].used && sdss[cs].id == id){
  92                         sdss[cs].value = val;
  93                         return;
  94                 }
  95         }
  96         debug("SDS identifier unknown: %d\n", id);
  97 }