root/platform/ixus850_sd800/lib.c

DEFINITIONS

1. shutdown
2. debug_led
3. get_flash_params_count
4. camera_set_led

   1 #include "platform.h"
   3 //define LED_AF    0xc02200C0 // found in "taskcreate_LEDCon"
   4 //define LED_BLUE  0xc02200C4
   5 //define LED_RED   0xc02200C8
   6 //define LED_GRN   0xc02200CC
   7 //define LED_YLW   0xc02200D0
   8 //define LED_PWR   0xc02200D4
  10 void shutdown()
  11 {
  12     volatile long *p = (void*)0xc02200a0;
  14     asm(
  15          "MRS     R1, CPSR\n"
  16          "AND     R0, R1, #0x80\n"
  17          "ORR     R1, R1, #0x80\n"
  18          "MSR     CPSR_cf, R1\n"
  19          :::"r1","r0");
  21     *p = 0x44;
  23     while(1);
  24 }
  26 #define LED_PR 0xC02200C4
  28 void debug_led(int state)
  29 {
  30     volatile long *p=(void*)LED_PR;
  31     if (state)
p[0]=0x46;
  33     else
p[0]=0x44;
  35 }
  37 // verified that at 0xFF9B0860 there are 110 entries
  38 int get_flash_params_count(void){
  39  return 110;
  40 }
  42 #define LED_BASE 0xC02200C0
  44 void camera_set_led(int led, int state, __attribute__ ((unused))int bright)
  45 {
  46   int leds[] = {12,16,4,8,4,0,4};
  47   if(led < 4 || led > 10 || led == 6) return;
  48   volatile long *p=(void*)LED_BASE + leds[led-4];
  49     if (state)
p[0]=0x46;
  51     else
p[0]=0x44;
  53 }