trennfix/sw/mm/include/mm/mm_switch.h

   1 #ifndef MM_SWITCH_H
   2 #define MM_SWITCH_H
   3
   4 #include <stdint.h>
   5 #include <config/hardware.h>
   6
   7 enum mm_recstate {
   8         MM_IDLE = 0,
   9         MM_FIRST_FAST_SAMPLE,
  10         MM_FIRST_SLOW_SAMPLE, /* If clock arrives, we stay on the fast path! */
  11         MM_FAST_SAMPLE,
  12         MM_FAST_WAIT_FOR_CLOCK,
  13         MM_SLOW_SAMPLE_DELAY,
  14         MM_SLOW_SAMPLE,
  15         MM_SLOW_WAIT_FOR_CLOCK_DELAY,
  16         MM_SLOW_WAIT_FOR_CLOCK,
  17 };
  18
  19 #ifdef MM_USE_REGISTER_VARS
  20
  21 uint8_t register shift_command  asm("r2");
  22 uint8_t register shift_function asm("r3");
  23 uint8_t register shift_address asm("r4");
  24 uint8_t  register recstate asm("r5");
  25 uint8_t register bitno asm("r6");
  26
  27 static void inline __attribute((unused)) mm_init(void)
  28 {
  29         bitno = 0;
  30         recstate = MM_IDLE;
  31 }
  32
  33 #else
  34
  35 #define mm_init(...)
  36
  37 #endif
  38
  39 /*
  40  * mm_switch_command - Callback function!
  41  *
  42  * This function must be defined whenever the mm_switch module is used.
  43  * It will be called from interrupt context whenever a new valid command
  44  * has arrived.
  45  *
  46  * decoder is in the range from 1 to 25. Other values will not occur.
  47  *
  48  * key is in the range from 0 to 8:
  49  *
  50  *   1 - key1 green pressed
  51  *   2 - key1 red pressed
  52  *   3 - key2 green pressed
  53  *   4 - key2 red pressed
  54  *   ...
  55  *   0 - all keys up
  56  *
  57  */
  58 void mm_switch_command(uint8_t decoder, uint8_t key);
  59
  60 /*
  61  *  empty comment :-)
  62  */
  63 void mm_switch_drive_cb(uint8_t address, uint8_t speed, uint8_t functions, uint8_t flags);
  64
  65 void mm_switch_drive(uint8_t decoder, uint8_t function, uint8_t command);
  66
  67 void mm_switch_pinchange_callback(void);
  68
  69 #endif