// // Created by iflyt on 2025/3/19. // #include "uart_cmd.h" UART_HandleTypeDef huart2; DMA_HandleTypeDef hdma_usart2_rx; DMA_HandleTypeDef hdma_usart2_tx; void CMD_UART_Init() { huart2.Instance = USART2; huart2.Init.BaudRate = 115200; huart2.Init.WordLength = UART_WORDLENGTH_8B; huart2.Init.StopBits = UART_STOPBITS_1; huart2.Init.Parity = UART_PARITY_NONE; huart2.Init.Mode = UART_MODE_TX_RX; huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE; huart2.Init.OverSampling = UART_OVERSAMPLING_16; if (HAL_UART_Init(&huart2) != HAL_OK) { Error_Handler(); } GPIO_InitTypeDef GPIO_InitStruct = {0}; __HAL_RCC_USART2_CLK_ENABLE(); __HAL_RCC_GPIOD_CLK_ENABLE(); /**USART2 GPIO Configuration PD5 ------> USART2_TX PD6 ------> USART2_RX */ 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_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF7_USART2; HAL_GPIO_Init(GPIOD, &GPIO_InitStruct); /* USART1 interrupt Init */ // HAL_NVIC_SetPriority(USART2_IRQn, 5, 0); // HAL_NVIC_EnableIRQ(USART2_IRQn); } void CMD_DMA_Init() { /* DMA controller clock enable */ __HAL_RCC_DMA1_CLK_ENABLE(); /* DMA interrupt init */ /* DMA1_Stream5_IRQn interrupt configuration */ HAL_NVIC_SetPriority(DMA1_Stream5_IRQn, 5, 0); HAL_NVIC_EnableIRQ(DMA1_Stream5_IRQn); /* DMA1_Stream6_IRQn interrupt configuration */ HAL_NVIC_SetPriority(DMA1_Stream6_IRQn, 5, 0); HAL_NVIC_EnableIRQ(DMA1_Stream6_IRQn); }