root/platform/a480/lib.c

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DEFINITIONS

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

   1 #include "platform.h"
   2 #include "lolevel.h"
   3 
   4 void vid_bitmap_refresh()
   5 {
   6  extern int enabled_refresh_physical_screen;
   7  enabled_refresh_physical_screen=1;
   8  _RefreshPhysicalScreen(1);
   9 }
  10 
  11 
  12 void shutdown()
  13 {
  14         volatile long *p = (void*)0xC022001C;    
  15         
  16         asm(
  17                 "MRS     R1, CPSR\n"
  18                 "AND     R0, R1, #0x80\n"
  19                 "ORR     R1, R1, #0x80\n"
  20                 "MSR     CPSR_cf, R1\n"
  21                 :::"r1","r0");
  22         
  23         *p = 0x44;  // power off.
  24         
  25         while(1);
  26 }
  27 
  28 // only two LEDs in A480:
  29 
  30 #define LED_PR 0xC0220088  // green LED
  31 //#define LED_AF 0xC0220080  // orange AF LED
  32 
  33 void debug_led(int state)
  34 {
  35  *(int*)LED_PR=state ? 0x46 : 0x44;
  36 }
  37 
  38 void camera_set_led(int led, int state, int bright) {
  39  static char led_table[]={7,9};
  40  _LEDDrive(led_table[led%sizeof(led_table)], state<=1 ? !state : state);
  41 }
  42 
  43 int get_flash_params_count(void){
  44  return 122; 
  45 }

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