src/modules/utils/PlayLed/PlayLed.cpp

   1 #include "PlayLed.h"
   2
   3 /*
   4  * LED indicator:
   5  * off   = not paused, nothing to do
   6  * flash = paused
   7  * on    = a block is being executed
   8  */
   9
  10 #include "PauseButton.h"
  11
  12 PlayLed::PlayLed(){}
  13
  14 void PlayLed::on_module_loaded()
  15 {
  16     register_for_event(ON_CONFIG_RELOAD);
  17
  18     register_for_event(ON_PLAY);
  19     register_for_event(ON_BLOCK_BEGIN);
  20     register_for_event(ON_BLOCK_END);
  21
  22     on_config_reload(this);
  23
  24     kernel->slow_ticker->attach(4, this, &PlayLed::half_second_tick);
  25 }
  26
  27 void PlayLed::on_config_reload(void* argument)
  28 {
  29     string ledpin = "4.28!";
  30
  31     ledpin = kernel->config->value( pause_led_pin_checksum )->by_default(ledpin)->as_string(); // check for pause_led_pin first
  32     ledpin = kernel->config->value( play_led_pin_checksum  )->by_default(ledpin)->as_string(); // override with play_led_pin if it's found
  33
  34     led.from_string(ledpin)->as_output()->set(false);
  35 }
  36
  37 void PlayLed::on_block_begin(void* argument)
  38 {
  39     led.set(true);
  40 }
  41
  42 void PlayLed::on_block_end(void* argument)
  43 {
  44     led.set(false);
  45 }
  46
  47 void PlayLed::on_play(void* argument)
  48 {
  49     led.set(false);
  50 }
  51
  52 uint32_t PlayLed::half_second_tick(uint32_t)
  53 {
  54     if (kernel->pauser->paused())
  55         led.set(!led.get());
  56
  57     return 0;
  58 }