STM32单片机播放WAV程序

/** ****************************************************************************** * File Name : TIM.c * Description : This file provides code for the configuration * of the TIM instances. ****************************************************************************** ** This notice applies to any and all portions of this file * that are not between comment pairs USER CODE BEGIN and * USER CODE END. Other portions of this file, whether * inserted by the user or by software development tools * are owned by their respective copyright owners. * * COPYRIGHT(c) 2017 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. * ****************************************************************************** */ /* Includes ------------------------------------------------------------------*/ #include "tim.h" /* USER CODE BEGIN 0 */ #include "dac.h" volatile uint16_t Data_tmp; uint16_t Data1; uint32_t Number = 44; /* USER CODE END 0 */ TIM_HandleTypeDef htim6; TIM_HandleTypeDef htim9; /* TIM6 init function */ void MX_TIM6_Init(void) { TIM_MasterConfigTypeDef sMasterConfig; htim6.Instance = TIM6; htim6.Init.Prescaler = 4 - 1; htim6.Init.CounterMode = TIM_COUNTERMODE_UP; htim6.Init.Period = 1000 - 1 ; if (HAL_TIM_Base_Init(&htim6) != HAL_OK) { _Error_Handler(__FILE__, __LINE__); } sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET; sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE; if (HAL_TIMEx_MasterConfigSynchronization(&htim6, &sMasterConfig) != HAL_OK) { _Error_Handler(__FILE__, __LINE__); } } /* TIM9 init function */ void MX_TIM9_Init(void) { TIM_OC_InitTypeDef sConfigOC; htim9.Instance = TIM9; htim9.Init.Prescaler = 0; htim9.Init.CounterMode = TIM_COUNTERMODE_UP; htim9.Init.Period = 500 - 1; htim9.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1; if (HAL_TIM_PWM_Init(&htim9) != HAL_OK) { _Error_Handler(__FILE__, __LINE__); } sConfigOC.OCMode = TIM_OCMODE_PWM1; sConfigOC.Pulse = 125 * 0.5; sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH; sConfigOC.OCFastMode = TIM_OCFAST_DISABLE; if (HAL_TIM_PWM_ConfigChannel(&htim9, &sConfigOC, TIM_CHANNEL_1) != HAL_OK) { _Error_Handler(__FILE__, __LINE__); } HAL_TIM_MspPostInit(&htim9); } void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* tim_baseHandle) { if(tim_baseHandle->Instance==TIM6) { /* USER CODE BEGIN TIM6_MspInit 0 */ /* USER CODE END TIM6_MspInit 0 */ /* Peripheral clock enable */ __HAL_RCC_TIM6_CLK_ENABLE(); /* TIM6 interrupt Init */ HAL_NVIC_SetPriority(TIM6_DAC_IRQn, 0, 0); HAL_NVIC_EnableIRQ(TIM6_DAC_IRQn); /* USER CODE BEGIN TIM6_MspInit 1 */ /* USER CODE END TIM6_MspInit 1 */ } } void HAL_TIM_PWM_MspInit(TIM_HandleTypeDef* tim_pwmHandle) { if(tim_pwmHandle->Instance==TIM9) { /* USER CODE BEGIN TIM9_MspInit 0 */ /* USER CODE END TIM9_MspInit 0 */ /* Peripheral clock enable */ __HAL_RCC_TIM9_CLK_ENABLE(); /* USER CODE BEGIN TIM9_MspInit 1 */ /* USER CODE END TIM9_MspInit 1 */ } } void HAL_TIM_MspPostInit(TIM_HandleTypeDef* timHandle) { GPIO_InitTypeDef GPIO_InitStruct; if(timHandle->Instance==TIM9) { /* USER CODE BEGIN TIM9_MspPostInit 0 */ /* USER CODE END TIM9_MspPostInit 0 */ /**TIM9 GPIO Configuration PE5 ------> TIM9_CH1 */ GPIO_InitStruct.Pin = GPIO_PIN_5; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Alternate = GPIO_AF3_TIM9; HAL_GPIO_Init(GPIOE, &GPIO_InitStruct); /* USER CODE BEGIN TIM9_MspPostInit 1 */ /* USER CODE END TIM9_MspPostInit 1 */ } } void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* tim_baseHandle) { if(tim_baseHandle->Instance==TIM6) { /* USER CODE BEGIN TIM6_MspDeInit 0 */ /* USER CODE END TIM6_MspDeInit 0 */ /* Peripheral clock disable */ __HAL_RCC_TIM6_CLK_DISABLE(); /* TIM6 interrupt Deinit */ /* USER CODE BEGIN TIM6:TIM6_DAC_IRQn disable */ /** * Uncomment the line below to disable the "TIM6_DAC_IRQn" interrupt * Be aware, disabling shared interrupt may affect other IPs */ /* HAL_NVIC_DisableIRQ(TIM6_DAC_IRQn); */ /* USER CODE END TIM6:TIM6_DAC_IRQn disable */ /* USER CODE BEGIN TIM6_MspDeInit 1 */ /* USER CODE END TIM6_MspDeInit 1 */ } } void HAL_TIM_PWM_MspDeInit(TIM_HandleTypeDef* tim_pwmHandle) { if(tim_pwmHandle->Instance==TIM9) { /* USER CODE BEGIN TIM9_MspDeInit 0 */ /* USER CODE END TIM9_MspDeInit 0 */ /* Peripheral clock disable */ __HAL_RCC_TIM9_CLK_DISABLE(); /* USER CODE BEGIN TIM9_MspDeInit 1 */ /* USER CODE END TIM9_MspDeInit 1 */ } } /* USER CODE BEGIN 1 */ void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim) { if (htim->Instance == htim6.Instance) { // Data_tmp = (SOUND_DATA[Number + 1] << 8)|(SOUND_DATA[Number]) ; // if(Data_tmp&0x8000) // { // Data_tmp = ~Data_tmp + 1; // Data_tmp &= 0x7fff; // // Data_tmp = 0x7FFF - Data_tmp ; // } // else // { // Data_tmp = Data_tmp + 0x8000 ; // } // // // Data_tmp = ( (float)Data_tmp / 65535 ) * 100; // // if(Data_tmp == Data1 ){} // else // { // USER_PWM_SetDutyRatio(&htim9,TIM_CHANNEL_1,Data_tmp,SET) ; // Data1 = Data_tmp; // } // // if(Number > 712013) // { // Number = 44; // HAL_TIM_Base_Stop_IT(&htim6); // } // else // { // Number += 4; // } //************************************************************************************* Data_tmp = (SOUND_DATA[Number + 1] << 8)|(SOUND_DATA[Number]) ; if(Data_tmp&0x8000) { Data_tmp = ~Data_tmp + 1; Data_tmp &= 0x7fff; Data_tmp = 0x7FFF - Data_tmp ; } else { Data_tmp = Data_tmp + 0x8000 ; } Data_tmp = ( (float)Data_tmp / 65535 ) * 4096; if(Data_tmp == Data1 ){} else { HAL_DAC_SetValue(&hdac, DAC_CHANNEL_2, DAC_ALIGN_12B_R, Data_tmp); HAL_DAC_Start(&hdac, DAC_CHANNEL_2); Data1 = Data_tmp; } if(Number > 712013) {