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

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