git.zerfleddert.de Git - rsbs2/blob - bmc/chassis.c

   1 #include <avr/io.h>
   2 #include <stdio.h>
   3
   4 #include "chassis.h"
   5
   6 #define DEBUG
   7
   8 void chassis_init()
   9 {
  10         DDRB = 0xff;
  11         PORTB = 0xff;
  12 }
  13
  14 void chassis_control(unsigned char action)
  15 {
  16 #ifdef DEBUG
  17         printf("Chassis control 0x%02x\n", action);
  18 #endif
  19
  20         switch(action) {
  21                 case CHASSIS_ACTION_POWER_DOWN:
  22                         PORTB=0xff;
  23                         break;
  24
  25                 case CHASSIS_ACTION_POWER_UP:
  26                         PORTB=0x00;
  27                         break;
  28
  29                 case CHASSIS_ACTION_HARD_RESET:
  30                         PORTB=0x55;
  31                         break;
  32
  33                 default:
  34                         printf("Unimplemented chassis action 0x%02x\n", action);
  35                         break;
  36         }
  37 }