Diff: F746_SAI_IO_New/BSP_AudioOut_Overwrite.cpp

Revision:

2:dd48e1e59daa

Parent:

1:501a83a5ee9d

--- a/F746_SAI_IO_New/BSP_AudioOut_Overwrite.cpp	Wed Nov 08 11:43:52 2017 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,113 +0,0 @@
-//------------------------------------------------------------------------------
-//  Overwrite functuions and define calback functions
-//  for functions in stm32746g_discovery_audio.cpp
-//
-//  Original version: BSP_overwrite.cpp by Nanase
-//      https://developer.mbed.org/users/nanase/code/DISCO-F746NG_Sweep/
-//------------------------------------------------------------------------------
-#include "BSP_AudioOut_Overwrite.hpp"
-
-// These three callback functions are modyfied by Mikami
-void BSP_AUDIO_OUT_HalfTransfer_CallBack()
-{
-    Mikami::SaiIO::FillBuffer1st();
-}
-
-void BSP_AUDIO_OUT_TransferComplete_CallBack()
-{
-    Mikami::SaiIO::FillBuffer2nd();
-}
-
-void BSP_AUDIO_OUT_Error_CallBack()
-{
-    Mikami::SaiIO::ErrorTrap();
-}
-
-//--------------------------------------------------------------
-//  Followings are original by Nanase
-//--------------------------------------------------------------
-
-DMA_HandleTypeDef hdma_sai_tx;
-
-void AUDIO_OUT_SAIx_DMAx_IRQHandler()
-{
-    HAL_DMA_IRQHandler(&hdma_sai_tx);
-}
-
-void BSP_AUDIO_OUT_MspInit(SAI_HandleTypeDef *hsai, void *Params)
-{
-    //static DMA_HandleTypeDef hdma_sai_tx;
-    GPIO_InitTypeDef  gpio_init_structure;
-
-    /* Enable SAI clock */
-    AUDIO_OUT_SAIx_CLK_ENABLE();
-
-    /* Enable GPIO clock */
-    AUDIO_OUT_SAIx_MCLK_ENABLE();
-    AUDIO_OUT_SAIx_SCK_SD_ENABLE();
-    AUDIO_OUT_SAIx_FS_ENABLE();
-
-    /* CODEC_SAI pins configuration: FS, SCK, MCK and SD pins ------------------*/
-    gpio_init_structure.Pin = AUDIO_OUT_SAIx_FS_PIN;
-    gpio_init_structure.Mode = GPIO_MODE_AF_PP;
-    gpio_init_structure.Pull = GPIO_NOPULL;
-    gpio_init_structure.Speed = GPIO_SPEED_HIGH;
-    gpio_init_structure.Alternate = AUDIO_OUT_SAIx_FS_SD_MCLK_AF;
-    HAL_GPIO_Init(AUDIO_OUT_SAIx_FS_GPIO_PORT, &gpio_init_structure);
-
-    gpio_init_structure.Pin = AUDIO_OUT_SAIx_SCK_PIN;
-    gpio_init_structure.Mode = GPIO_MODE_AF_PP;
-    gpio_init_structure.Pull = GPIO_NOPULL;
-    gpio_init_structure.Speed = GPIO_SPEED_HIGH;
-    gpio_init_structure.Alternate = AUDIO_OUT_SAIx_SCK_AF;
-    HAL_GPIO_Init(AUDIO_OUT_SAIx_SCK_SD_GPIO_PORT, &gpio_init_structure);
-
-    gpio_init_structure.Pin =  AUDIO_OUT_SAIx_SD_PIN;
-    gpio_init_structure.Mode = GPIO_MODE_AF_PP;
-    gpio_init_structure.Pull = GPIO_NOPULL;
-    gpio_init_structure.Speed = GPIO_SPEED_HIGH;
-    gpio_init_structure.Alternate = AUDIO_OUT_SAIx_FS_SD_MCLK_AF;
-    HAL_GPIO_Init(AUDIO_OUT_SAIx_SCK_SD_GPIO_PORT, &gpio_init_structure);
-
-    gpio_init_structure.Pin = AUDIO_OUT_SAIx_MCLK_PIN;
-    gpio_init_structure.Mode = GPIO_MODE_AF_PP;
-    gpio_init_structure.Pull = GPIO_NOPULL;
-    gpio_init_structure.Speed = GPIO_SPEED_HIGH;
-    gpio_init_structure.Alternate = AUDIO_OUT_SAIx_FS_SD_MCLK_AF;
-    HAL_GPIO_Init(AUDIO_OUT_SAIx_MCLK_GPIO_PORT, &gpio_init_structure);
-
-    /* Enable the DMA clock */
-    AUDIO_OUT_SAIx_DMAx_CLK_ENABLE();
-
-    if(hsai->Instance == AUDIO_OUT_SAIx)
-    {
-        /* Configure the hdma_saiTx handle parameters */
-        hdma_sai_tx.Init.Channel             = AUDIO_OUT_SAIx_DMAx_CHANNEL;
-        hdma_sai_tx.Init.Direction           = DMA_MEMORY_TO_PERIPH;
-        hdma_sai_tx.Init.PeriphInc           = DMA_PINC_DISABLE;
-        hdma_sai_tx.Init.MemInc              = DMA_MINC_ENABLE;
-        hdma_sai_tx.Init.PeriphDataAlignment = AUDIO_OUT_SAIx_DMAx_PERIPH_DATA_SIZE;
-        hdma_sai_tx.Init.MemDataAlignment    = AUDIO_OUT_SAIx_DMAx_MEM_DATA_SIZE;
-        hdma_sai_tx.Init.Mode                = DMA_CIRCULAR;
-        hdma_sai_tx.Init.Priority            = DMA_PRIORITY_HIGH;
-        hdma_sai_tx.Init.FIFOMode            = DMA_FIFOMODE_ENABLE;
-        hdma_sai_tx.Init.FIFOThreshold       = DMA_FIFO_THRESHOLD_FULL;
-        hdma_sai_tx.Init.MemBurst            = DMA_MBURST_SINGLE;
-        hdma_sai_tx.Init.PeriphBurst         = DMA_PBURST_SINGLE;
-
-        hdma_sai_tx.Instance = AUDIO_OUT_SAIx_DMAx_STREAM;
-
-        /* Associate the DMA handle */
-        __HAL_LINKDMA(hsai, hdmatx, hdma_sai_tx);
-
-        /* Deinitialize the Stream for new transfer */
-        HAL_DMA_DeInit(&hdma_sai_tx);
-
-        /* Configure the DMA Stream */
-        HAL_DMA_Init(&hdma_sai_tx);
-    }
-    
-    /* SAI DMA IRQ Channel configuration */
-    HAL_NVIC_SetPriority(AUDIO_OUT_SAIx_DMAx_IRQ, AUDIO_OUT_IRQ_PREPRIO, 0);
-    HAL_NVIC_EnableIRQ(AUDIO_OUT_SAIx_DMAx_IRQ);
-}