root/platform/ixus130_sd1400/sub/100a/led.h

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INCLUDED FROM

   1 #ifndef INCLUDED_LED_H
   2 #define INCLUDED_LED_H
   3 
   4 extern long * LED_GREEN, * LED_RED, * LED_AF;
   5 
   6 #ifndef DEFAULT_DELAY
   7 #define DEFAULT_DELAY 5000000
   8 #endif
   9 
  10 typedef unsigned long ulong;
  11 
  12 void busy_wait(ulong n);
  13 void led_on(long * led);
  14 void led_off(long * led);
  15 void led_flashx(long * led, ulong times, ulong delay);
  16 void led_binx(long val, ulong delay);
  17 void led_dumpx(long * mem, ulong len, ulong delay);
  18 
  19 void __attribute__((naked,noinline)) led_flash2();
  20 
  21 /*
  22 static inline void led_flash(long * led, ulong times) {
  23   led_flashx(led, times, DEFAULT_DELAY);
  24 }
  25 
  26 static inline void led_bin(long val) {
  27   led_binx(val, DEFAULT_DELAY);
  28 }
  29 
  30 static inline void led_dump(long * mem, ulong len) {
  31   led_dumpx(mem, len, DEFAULT_DELAY);
  32 }
  33 */
  34 #define led_flash(led, times) led_flashx(led, times, DEFAULT_DELAY)
  35 #define led_bin(val) led_binx(val, DEFAULT_DELAY)
  36 #define led_dump(mem, len) led_dumpx(mem, len, DEFAULT_DELAY)
  37 
  38 #define BUSY_WAIT(delay) do { unsigned long i = (delay); while (--i) asm volatile("nop\n"); } while (0)
  39 
  40 #define LED_ON(led) do { *(long*)(led) = 0x46; } while(0)
  41 
  42 #define LED_OFF(led) do { *(long*)(led) = 0x44; } while(0)
  43 
  44 #define LED_FLASHX(led, times, delay) \
  45   do { \
  46     long i = (times);     \
  47     while (i--) {         \
  48       LED_ON((led));      \
  49       BUSY_WAIT((delay)); \
  50       LED_OFF((led));     \
  51       BUSY_WAIT((delay)); \
  52     }                     \
  53   } while (0)
  54 
  55 #define LED_FLASH(led, times) LED_FLASHX((led), (times), DEFAULT_DELAY)
  56 
  57 #endif // INCLUDED_LED_H
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