root/platform/ixus750_sd550/lib.c

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DEFINITIONS

This source file includes following definitions.
  1. shutdown
  2. debug_led
  3. camera_set_led
  4. get_flash_params_count

   1 #include "platform.h"
   2 
   3 void shutdown()
   4 {
   5     volatile long *p = (void*)0xc02200a0;
   6         
   7     asm(
   8          "MRS     R1, CPSR\n"
   9          "AND     R0, R1, #0x80\n"
  10          "ORR     R1, R1, #0x80\n"
  11          "MSR     CPSR_cf, R1\n"
  12          :::"r1","r0");
  13         
  14     *p = 0x44;
  15 
  16     while(1);
  17 }
  18 
  19 
  20 #define LED_PR 0xc02200e4  // found in sub_FF82D1A0
  21 
  22 void debug_led(int state)
  23 {
  24     volatile long *p=(void*)LED_PR;
  25     if (state)
  26         p[0]=0x46;
  27     else
  28         p[0]=0x44;
  29 }
  30 #define LED_AF 0xc02200ec
  31 #define LED_BASE 0xc02200dc
  32 
  33 void camera_set_led(int led, int state, int bright)
  34 
  35 {
  36   int leds[] = {12,16,4,8,4,0,4};
  37   if(led < 4 || led > 10 || led == 6) return;
  38   volatile long *p=(void*)LED_BASE+ leds[led-4];
  39     if (state)
  40         p[0]=0x46;
  41     else
  42         p[0]=0x44;
  43 }
  44 
  45 
  46 int get_flash_params_count(void){
  47  return 83;
  48 }

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