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时钟修改

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sc committed 2025-11-22 00:30:41 +08:00
1 parent f751863707
commit c7cf944e61
12 files changed
+236 -135
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cubemx/Src/main.c
+20 -2
View File
@@ -45,6 +45,7 @@ SD_HandleTypeDef hsd1;
UART_HandleTypeDef huart1;
UART_HandleTypeDef huart2;
DMA_HandleTypeDef hdma_usart1_rx;
SDRAM_HandleTypeDef hsdram1;
@@ -56,6 +57,7 @@ SDRAM_HandleTypeDef hsdram1;
void SystemClock_Config(void);
static void MPU_Config(void);
static void MX_GPIO_Init(void);
static void MX_DMA_Init(void);
static void MX_FMC_Init(void);
static void MX_SDMMC1_SD_Init(void);
static void MX_USART1_UART_Init(void);
@@ -101,6 +103,7 @@ __WEAK int main(void)
/* Initialize all configured peripherals */
MX_GPIO_Init();
MX_DMA_Init();
MX_FMC_Init();
MX_SDMMC1_SD_Init();
MX_USART1_UART_Init();
@@ -306,6 +309,22 @@ static void MX_USART2_UART_Init(void)
}
/**
* Enable DMA controller clock
*/
static void MX_DMA_Init(void)
{
/* DMA controller clock enable */
__HAL_RCC_DMA1_CLK_ENABLE();
/* DMA interrupt init */
/* DMA1_Stream0_IRQn interrupt configuration */
HAL_NVIC_SetPriority(DMA1_Stream0_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(DMA1_Stream0_IRQn);
}
/* FMC initialization function */
static void MX_FMC_Init(void)
{
@@ -329,7 +348,7 @@ static void MX_FMC_Init(void)
hsdram1.Init.RowBitsNumber = FMC_SDRAM_ROW_BITS_NUM_13;
hsdram1.Init.MemoryDataWidth = FMC_SDRAM_MEM_BUS_WIDTH_16;
hsdram1.Init.InternalBankNumber = FMC_SDRAM_INTERN_BANKS_NUM_4;
hsdram1.Init.CASLatency = FMC_SDRAM_CAS_LATENCY_1;
hsdram1.Init.CASLatency = FMC_SDRAM_CAS_LATENCY_2;
hsdram1.Init.WriteProtection = FMC_SDRAM_WRITE_PROTECTION_DISABLE;
hsdram1.Init.SDClockPeriod = FMC_SDRAM_CLOCK_DISABLE;
hsdram1.Init.ReadBurst = FMC_SDRAM_RBURST_DISABLE;
@@ -368,7 +387,6 @@ static void MX_GPIO_Init(void)
/* GPIO Ports Clock Enable */
__HAL_RCC_GPIOF_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOH_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
__HAL_RCC_GPIOG_CLK_ENABLE();
cubemx/Src/stm32h7xx_hal_msp.c
+32 -9
View File
@@ -23,6 +23,7 @@
/* USER CODE BEGIN Includes */
/* USER CODE END Includes */
extern DMA_HandleTypeDef hdma_usart1_rx;
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN TD */
@@ -226,6 +227,25 @@ void HAL_UART_MspInit(UART_HandleTypeDef* huart)
GPIO_InitStruct.Alternate = GPIO_AF4_USART1;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/* USART1 DMA Init */
/* USART1_RX Init */
hdma_usart1_rx.Instance = DMA1_Stream0;
hdma_usart1_rx.Init.Request = DMA_REQUEST_USART1_RX;
hdma_usart1_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
hdma_usart1_rx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_usart1_rx.Init.MemInc = DMA_MINC_ENABLE;
hdma_usart1_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_usart1_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_usart1_rx.Init.Mode = DMA_CIRCULAR;
hdma_usart1_rx.Init.Priority = DMA_PRIORITY_LOW;
hdma_usart1_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
if (HAL_DMA_Init(&hdma_usart1_rx) != HAL_OK)
{
Error_Handler();
}
__HAL_LINKDMA(huart,hdmarx,hdma_usart1_rx);
/* USART1 interrupt Init */
HAL_NVIC_SetPriority(USART1_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(USART1_IRQn);
@@ -251,17 +271,17 @@ void HAL_UART_MspInit(UART_HandleTypeDef* huart)
/* Peripheral clock enable */
__HAL_RCC_USART2_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOD_CLK_ENABLE();
/**USART2 GPIO Configuration
PA2 ------> USART2_TX
PA3 ------> USART2_RX
PD5 ------> USART2_TX
PD6 ------> USART2_RX
*/
GPIO_InitStruct.Pin = GPIO_PIN_2|GPIO_PIN_3;
GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.Alternate = GPIO_AF7_USART2;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
/* USART2 interrupt Init */
HAL_NVIC_SetPriority(USART2_IRQn, 0, 0);
@@ -295,6 +315,9 @@ void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
*/
HAL_GPIO_DeInit(GPIOB, GPIO_PIN_14|GPIO_PIN_15);
/* USART1 DMA DeInit */
HAL_DMA_DeInit(huart->hdmarx);
/* USART1 interrupt DeInit */
HAL_NVIC_DisableIRQ(USART1_IRQn);
/* USER CODE BEGIN USART1_MspDeInit 1 */
@@ -310,10 +333,10 @@ void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
__HAL_RCC_USART2_CLK_DISABLE();
/**USART2 GPIO Configuration
PA2 ------> USART2_TX
PA3 ------> USART2_RX
PD5 ------> USART2_TX
PD6 ------> USART2_RX
*/
HAL_GPIO_DeInit(GPIOA, GPIO_PIN_2|GPIO_PIN_3);
HAL_GPIO_DeInit(GPIOD, GPIO_PIN_5|GPIO_PIN_6);
/* USART2 interrupt DeInit */
HAL_NVIC_DisableIRQ(USART2_IRQn);
@@ -340,7 +363,7 @@ static void HAL_FMC_MspInit(void){
/** Initializes the peripherals clock
*/
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_FMC;
PeriphClkInitStruct.FmcClockSelection = RCC_FMCCLKSOURCE_PLL;
PeriphClkInitStruct.FmcClockSelection = RCC_FMCCLKSOURCE_D1HCLK;
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
{
Error_Handler();
cubemx/Src/stm32h7xx_it.c
+15
View File
@@ -56,6 +56,7 @@
/* External variables --------------------------------------------------------*/
extern SD_HandleTypeDef hsd1;
extern DMA_HandleTypeDef hdma_usart1_rx;
extern UART_HandleTypeDef huart1;
extern UART_HandleTypeDef huart2;
/* USER CODE BEGIN EV */
@@ -200,6 +201,20 @@ void SysTick_Handler(void)
/* please refer to the startup file (startup_stm32h7xx.s). */
/******************************************************************************/
/**
* @brief This function handles DMA1 stream0 global interrupt.
*/
void DMA1_Stream0_IRQHandler(void)
{
/* USER CODE BEGIN DMA1_Stream0_IRQn 0 */
/* USER CODE END DMA1_Stream0_IRQn 0 */
HAL_DMA_IRQHandler(&hdma_usart1_rx);
/* USER CODE BEGIN DMA1_Stream0_IRQn 1 */
/* USER CODE END DMA1_Stream0_IRQn 1 */
}
/**
* @brief This function handles USART1 global interrupt.
*/