Sub_Spray_STM32/User/BSP/uart_cmd/uart_cmd.cpp

//
// 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);
}