Ejemplos de SEQ_Handler en C++ (Cpp)

Ejemplo n.º 1

Archivo: app.c Proyecto: gillspice/mios32

/////////////////////////////////////////////////////////////////////////////
// This task is called periodically each mS to handle sequencer requests
/////////////////////////////////////////////////////////////////////////////
static void TASK_SEQ(void *pvParameters)
{
  portTickType xLastExecutionTime;

  // Initialise the xLastExecutionTime variable on task entry
  xLastExecutionTime = xTaskGetTickCount();

  while( 1 ) {
    vTaskDelayUntil(&xLastExecutionTime, 1 / portTICK_RATE_MS);

    // execute sequencer handler
    SEQ_Handler();

    // send timestamped MIDI events
    SEQ_MIDI_OUT_Handler();
  }
}

Ejemplo n.º 2

Archivo: app.c Proyecto: JKcompute/395_midi_controller

/////////////////////////////////////////////////////////////////////////////
// This task is called periodically each mS to handle sequencer requests
/////////////////////////////////////////////////////////////////////////////
static void TASK_SEQ(void *pvParameters)
{
  portTickType xLastExecutionTime;
  u16 sdcard_check_ctr = 0;

  // Initialise the xLastExecutionTime variable on task entry
  xLastExecutionTime = xTaskGetTickCount();

  while( 1 ) {
    vTaskDelayUntil(&xLastExecutionTime, 1 / portTICK_RATE_MS);

    // execute sequencer handler
    SEQ_Handler();

    // send timestamped MIDI events
    SEQ_MIDI_OUT_Handler();

    // each second: check if SD Card (still) available
    if( ++sdcard_check_ctr >= 1000 ) {
      sdcard_check_ctr = 0;

      // use a mutex if multiple tasks access the SD Card!
      MUTEX_SDCARD_TAKE;
      s32 status = FILE_CheckSDCard();

      if( status == 1 ) {
	MIOS32_MIDI_SendDebugMessage("SD Card connected: %s\n", FILE_VolumeLabel());
      } else if( status == 2 ) {
	MIOS32_MIDI_SendDebugMessage("SD Card disconnected\n");

	// stop sequencer
	SEQ_BPM_Stop();

	// change filename
	sprintf(MID_FILE_UI_NameGet(), "No SD Card");
      } else if( status == 3 ) {
	if( !FILE_SDCardAvailable() ) {
	  MIOS32_MIDI_SendDebugMessage("SD Card not found\n");
	  // change filename
	  sprintf(MID_FILE_UI_NameGet(), "No SD Card");
	} else if( !FILE_VolumeAvailable() ) {
	  MIOS32_MIDI_SendDebugMessage("ERROR: SD Card contains invalid FAT!\n");
	  MIOS32_BOARD_LED_Set(0x1, 0x0); // turn off LED
	  // change filename
	  sprintf(MID_FILE_UI_NameGet(), "No FAT");
	  // stop sequencer
	  SEQ_BPM_Stop();
	} else {
	  // change filename
	  sprintf(MID_FILE_UI_NameGet(), "SDCard found");
	  // if in auto mode and BPM generator is clocked in slave mode:
	  // change to master mode
	  SEQ_BPM_CheckAutoMaster();
	  // reset sequencer
	  SEQ_Reset(1);
	  // request to play the first file
	  SEQ_PlayFileReq(0);
	  // start sequencer
	  SEQ_BPM_Start();
	}
      }
      MUTEX_SDCARD_GIVE;
    }
  }
}