ROM2/main_basic.c

   1 /*
   2  * main_basic.c - a simplified main procedure that relies upon a ersver to do
   3  * anything smart. Just be a dumb interface to a display, keypad, coin mech
   4  * and snacks.
   5  */
   6
   7 #include "display_basic.h"
   8 #include "keypad.h"
   9 #include "chime.h"
  10 #include "server.h"
  11 #include "coinmech.h"
  12 #include "comm.h"
  13 #include "vend.h"
  14
  15 int main() {
  16         u16 last_coin_value = coin_value;
  17
  18         /* init coin mech */
  19         comm_init();
  20         display_init();
  21         while(1) {
  22                 if (rx_queue_state) {
  23                         switch (msg_buf[0]) {
  24                                 case 'V': /* dispense something */
  25                                         break;
  26                                 case 'D': /* write string to display */
  27                                         break;
  28                                 case 'B': /* beep */
  29                                         break;
  30                                 case 'U': /* query current coin balance */
  31                                         break;
  32                                 case 'G': /* give change */
  33                                         break;
  34                                 default:
  35                                 /* shrug */
  36                                         break;
  37                         }
  38                         msg_clr();
  39                 }
  40                 keypad_read();
  41                 if (keypad_pressed()) {
  42                         /* send packet about it */
  43                         /* beep? */
  44                 }
  45
  46                 if (coin_value != last_coin_value) {
  47                         /* send a packet about it */
  48                 }
  49         }
  50 }
  51
  52 void rti() {
  53         chime(); /* turn chime on or off as need be */
  54 }