waveplayer.c

stm32.rar

/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
* File Name          : waveplayer.c
* Author             : MCD Application Team
* Version            : V1.1.1
* Date               : 06/13/2008
* Description        : Wave Player driver source file.
********************************************************************************
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
* CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*******************************************************************************/

/* Includes ------------------------------------------------------------------*/
#include "main.h"

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
#define REPLAY  3

/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
u8 DemoTitle[20] = "STM32 I2S Codec Demo"; 

u8 CmdTitle0[20] = "  Control Buttons:  "; 

u8 CmdTitle1Playing[20] = "KEY>Pause  UP  >Vol+";

u8 CmdTitle2Playing[20] = "SEL>Stop   DOWN>Vol-";

u8 CmdTitle1Paused[20] =  "KEY>Play   UP  >Spkr";

u8 CmdTitle2Paused[20] =  "SEL>Stop   DOWN>Head";

u8 CmdTitle1Stopped[20] = "    UP > Speaker    "; 

u8 CmdTitle2Stopped[20] = "  DOWN > Headphone  "; 

u8 StatusTitleStopped[20] = "      Stopped       ";

u8 StatusTitlePlaying[20] = "      Playing       ";

u8 StatusTitlePaused[20] = "       Paused       ";

u8 i2cerr[20] =  "ERROR:I2C com. ->RST";
u8 memerr[20] =  "ERROR: Memory  ->RST";
u8 fileerr[20] = "ERROR: No Wave File ";

static u8 previoustmp = 50;

/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/

/*******************************************************************************
* Function Name  : WavePlayer_StartSpeaker
* Description    : Starts the wave player application.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void WavePlayer_StartSpeaker(void)
{
  u8 MyKey = 0;
  u32 err = 0, Counter = 0x0;

  LCD_Clear(White);

  /* Disable the JoyStick interrupts */
  IntExtOnOffConfig(DISABLE);

  while(ReadKey() != NOKEY)
  {
  }  

  /* Display the welcome screen and the commands */
  LCD_Update(ALL);

#if STM3210E
  /* Choose number of repetitions: 0 => infinite repetitions */
  I2S_CODEC_ReplayConfig(0);
  I2S_CODEC_Init(OutputDevice_SPEAKER, AUDIO_FILE_ADDRESS);
#else
  DAC_CODEC_Init(AUDIO_FILE_ADDRESS);
#endif

  /* Endless loop */
  while(1)
  {
    /* Check which key is pressed */
    MyKey = ReadKey();
    
    if(Counter == 0)
    { /* Mask All Interrupts */
      NVIC_SETPRIMASK();
      /* Update the displayed progression information */
      LCD_Update(PROGRESS);
      Counter = 0x5FFFF;
      /* Disable mask of all interrupts */
      NVIC_RESETPRIMASK();
    }
    Counter--;
    /* If "UP" pushbutton is pressed */
    if(MyKey == UP)
    {
      /* Mask All Interrupts */
      NVIC_SETPRIMASK();
      /* Check if the Codec is PLAYING audio file */
      if (GetVar_AudioPlayStatus() == AudioPlayStatus_PLAYING)
      {
#if STM3210E
        I2S_CODEC_ControlVolume(VolumeDirection_HIGH, VOLStep);
#else
        DAC_CODEC_ControlVolume(VolumeDirection_HIGH, VOLStep);
#endif

        /* Update the display information */
        LCD_Update(VOL);
      }
      /* UP bottomn pushed in PAUSE mode => Enable the Speaker device output ---*/
      else
      {
        /* Update the display information */
        LCD_Update(PLAY);

#if STM3210E
        /* Configure the Speaker as output and reinitialize all devices */
        err = I2S_CODEC_SpeakerHeadphoneSwap(OutputDevice_SPEAKER, AUDIO_FILE_ADDRESS);
#else
#endif
  
        /* Error message display if failure */
        if (err != 0)
        {
          LCD_DisplayError(err);

          /* Enable the FSMC that share a pin w/ I2C1 (LBAR) */
          RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC, ENABLE);

          /* Clear the LCD */
          LCD_Clear(White);

          /* Display the previous menu */
          DisplayMenu();

          /* Disable mask of all interrupts */
          NVIC_RESETPRIMASK();

          /* Enable the JoyStick interrupts */
          IntExtOnOffConfig(ENABLE); 
          return; 
        }      
      } 
      /* Disable mask of all interrupts */
      NVIC_RESETPRIMASK();
    }

    /* If "DOWN" pushbutton is pressed */
    if(MyKey == DOWN)
    {
      /* Mask All Interrupts */
      NVIC_SETPRIMASK();

      /* If the Codec is PLAYING => Decrease Volume*/
      if (GetVar_AudioPlayStatus() == AudioPlayStatus_PLAYING)
      {
#if STM3210E
        /* Increase the audio codec digital volume */
        I2S_CODEC_ControlVolume(VolumeDirection_LOW, VOLStep);
#else
        DAC_CODEC_ControlVolume(VolumeDirection_LOW, VOLStep);
#endif

        /* Update the LCD display */ 
        LCD_Update(VOL); 
      }
      else /* If the Codec is PAUSED => Headphone Enable */
      {
        /* Update the LCD display */ 
        LCD_Update(PLAY);
      
#if STM3210E
        /* Enable the Headphone output and reinitialize all devices */ 
        err = I2S_CODEC_SpeakerHeadphoneSwap(OutputDevice_HEADPHONE, AUDIO_FILE_ADDRESS);
#endif

        /* Error message display if failure */
        if (err != 0)
        {
          LCD_DisplayError(err);

          /* Enable the FSMC that share a pin w/ I2C1 (LBAR) */
          RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC, ENABLE);

          /* Clear the LCD */
          LCD_Clear(White);

          /* Display the previous menu */
          DisplayMenu();

          /* Disable mask of all interrupts */
          NVIC_RESETPRIMASK();

          /* Enable the JoyStick interrupts */
          IntExtOnOffConfig(ENABLE); 
          return; 
        }  
      }
      /* Disable mask of all interrupts */
      NVIC_RESETPRIMASK();
    }

    /* If "RIGHT" pushbutton is pressed */
    if(MyKey == RIGHT)
    {
      /* Mask All Interrupts */
      NVIC_SETPRIMASK();

      /* Check if the Codec is PLAYING audio file */
      if (GetVar_AudioPlayStatus() == AudioPlayStatus_PLAYING)
      {
#if STM3210E
        I2S_CODEC_ForwardPlay(STEP_FORWARD); 
#else
        DAC_CODEC_ForwardPlay(STEP_FORWARD); 
#endif
        /* Update the display information */
        LCD_Update(FRWD); 
      }
      /* Disable mask of all interrupts */
      NVIC_RESETPRIMASK(); 
    }
    /* If "LEFT" pushbutton is pressed */
    if(MyKey == LEFT)
    {
      /* Mask All Interrupts */
      NVIC_SETPRIMASK();

      /* Check if the Codec is PLAYING audio file */
      if (GetVar_AudioPlayStatus() == AudioPlayStatus_PLAYING)
      {
#if STM3210E
        I2S_CODEC_RewindPlay(STEP_BACK);
#else
        DAC_CODEC_RewindPlay(STEP_BACK);
#endif
        /* Update the display information */
        LCD_Update(FRWD);  
      } 
      /* Disable mask of all interrupts */
      NVIC_RESETPRIMASK();
    }

    /* If "SEL" pushbutton is pressed */
    if(MyKey == SEL)
    {
      /* Mask All Interrupts */
      NVIC_SETPRIMASK();

      /* Update the display information */
      LCD_Update(STOP);

      /* Command the Stop of the current audio stream */
      SetVar_AudioPlayStatus(AudioPlayStatus_STOPPED);

      /* Disable mask of all interrupts */
      NVIC_RESETPRIMASK();

#if STM3210E
      I2S_CODEC_Stop();
      SPI_I2S_ITConfig(SPI2, SPI_I2S_IT_TXE, DISABLE);
#else
      DAC_CODEC_Stop();
#endif

      /* Enable the FSMC that share a pin w/ I2C1 (LBAR) */
      RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC, ENABLE);

      /* Clear the LCD */
      LCD_Clear(White);

      /* Display the previous menu */