Diff: stm32f4xx_hal_msp.cpp

Revision:

0:dc88722ab141

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/stm32f4xx_hal_msp.cpp	Thu Jul 03 11:59:07 2014 +0000
@@ -0,0 +1,123 @@
+/**
+  ******************************************************************************
+  * File Name          : stm32f4xx_hal_msp.c
+  * Date               : 22/06/2014 09:00:07
+  * Description        : This file provides code for the MSP Initialization 
+  *                      and de-Initialization codes.
+  ******************************************************************************
+  *
+  * COPYRIGHT(c) 2014 STMicroelectronics
+  *
+  * Redistribution and use in source and binary forms, with or without modification,
+  * are permitted provided that the following conditions are met:
+  *   1. Redistributions of source code must retain the above copyright notice,
+  *      this list of conditions and the following disclaimer.
+  *   2. Redistributions in binary form must reproduce the above copyright notice,
+  *      this list of conditions and the following disclaimer in the documentation
+  *      and/or other materials provided with the distribution.
+  *   3. Neither the name of STMicroelectronics nor the names of its contributors
+  *      may be used to endorse or promote products derived from this software
+  *      without specific prior written permission.
+  *
+  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */
+
+#include "synthesizer.h"
+extern DigitalOut myled;
+
+extern DMA_HandleTypeDef hdma_i2s2_ext_tx;
+
+void HAL_I2S_MspInit(I2S_HandleTypeDef* hi2s)
+{
+
+//  GPIO_InitTypeDef GPIO_InitStruct;
+  if(hi2s->Instance==SPI2)
+  {
+    /* Peripheral clock enable */
+    __SPI2_CLK_ENABLE();
+  
+    /**I2S2 GPIO Configuration    
+    PC3     ------> I2S2_SD
+    PB10     ------> I2S2_CK
+    PB12     ------> I2S2_WS
+    PC6     ------> I2S2_MCK 
+    */
+/*
+    GPIO_InitStruct.Pin = GPIO_PIN_3|GPIO_PIN_6;
+    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
+    GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
+    HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
+
+    GPIO_InitStruct.Pin = GPIO_PIN_10|GPIO_PIN_12;
+    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
+    GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
+    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+*/
+    /* Peripheral DMA init*/
+  
+    hdma_i2s2_ext_tx.Instance = DMA1_Stream4;
+    hdma_i2s2_ext_tx.Init.Channel = DMA_CHANNEL_0;
+    hdma_i2s2_ext_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
+    hdma_i2s2_ext_tx.Init.PeriphInc = DMA_PINC_DISABLE;
+    hdma_i2s2_ext_tx.Init.MemInc = DMA_MINC_ENABLE;
+    hdma_i2s2_ext_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD;
+    hdma_i2s2_ext_tx.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
+    hdma_i2s2_ext_tx.Init.Mode = DMA_NORMAL;
+    hdma_i2s2_ext_tx.Init.Priority = DMA_PRIORITY_LOW;
+    hdma_i2s2_ext_tx.Init.FIFOMode = DMA_FIFOMODE_ENABLE;
+    hdma_i2s2_ext_tx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
+    hdma_i2s2_ext_tx.Init.MemBurst = DMA_MBURST_SINGLE;
+    hdma_i2s2_ext_tx.Init.PeriphBurst = DMA_PBURST_SINGLE;
+    HAL_DMA_Init(&hdma_i2s2_ext_tx);
+
+    __HAL_LINKDMA(hi2s,hdmatx,hdma_i2s2_ext_tx);
+//    myled =1;
+  }
+
+}
+
+void HAL_I2S_MspDeInit(I2S_HandleTypeDef* hi2s)
+{
+
+  if(hi2s->Instance==SPI2)
+  {
+    /* Peripheral clock disable */
+    __SPI2_CLK_DISABLE();
+  
+    /**I2S2 GPIO Configuration    
+    PC3     ------> I2S2_SD
+    PB10     ------> I2S2_CK
+    PB12     ------> I2S2_WS
+    PC6     ------> I2S2_MCK 
+    */
+//    HAL_GPIO_DeInit(GPIOC, GPIO_PIN_3|GPIO_PIN_6);
+
+//    HAL_GPIO_DeInit(GPIOB, GPIO_PIN_10|GPIO_PIN_12);
+
+    /* Peripheral DMA DeInit*/
+    HAL_DMA_DeInit(hi2s->hdmatx);
+  }
+
+}
+
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+
+
+
+