HAL_NVIC_EnableIRQ(UART4_IRQn);/* USER CODE BEGIN UART4_MspInit 1 *//* USER CODE END UART4_MspInit 1 */}elseif(huart->Instance==USART1) {/* USER CODE BEGIN USART1_MspInit 0 *//* USER CODE END USART1_MspInit 0 *//* Peripheral clock enable */__HAL_RCC_USART1_CLK_ENABLE();...
*/voidHAL_MspInit(void){/* USER CODE BEGIN MspInit 0 *//* USER CODE END MspInit 0 */__HAL_RCC_AFIO_CLK_ENABLE();HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);/* System interrupt init*//* MemoryManagement_IRQn interrupt configuration */HAL_NVIC_SetPriority(MemoryManagement_IRQn,0,0);...
PCD_HandleTypeDef hpcd_USB_OTG_HS; usb_core_driver cdc_acm; 定义初始化USB口引脚的函数,调用GD提供的usb初始化协议库: void HAL_PCD_MspInit(PCD_HandleTypeDef* pcdHandle) {GPIO_InitTypeDef GPIO_InitStruct = {0}; if(pcdHandle->Instance==USB_OTG_HS) {/* USER CODE BEGIN USB_OTG_HS_MspInit ...
然后调用HAL库对应这个驱动的初始化HAL_PPP_Init(),由于这个API中有针对外设初始化细节的接口Hal_PPP_Mspinit(),我们需要重新实现这个函数并完成外设时钟、IO等细节差异的设置, 完成各细节处理后,使用HAL_NVIC_SetPriority()、HAL_NVIC_EnableIRQ()来使能我们的外设中断;定义中断处理...
void HAL_PCD_MspInit(PCD_HandleTypeDef* pcdHandle) { RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0}; if(pcdHandle->Instance==USB_DRD_FS) { /* USER CODE BEGIN USB_DRD_FS_MspInit 0 */ /* USER CODE END USB_DRD_FS_MspInit 0 */ /** Initializes the peripherals clock *...
6）STM32技术交流QQ群:151941872 HAL，英文全称HardwareAbstraction Layer，即硬件抽象层。HAL库是ST公司...
调用HAL_MspInit 函数初始化底层硬件,HAL_MspInit 函数在 stm32f4xx_hal.c 文件里面做了弱定义。 在源码在 253 行到 274 行,有 HAL_InitTick() 函数简化函数如下: __weak HAL_StatusTypeDefHAL_InitTick(uint32_tTickPriority){/* 配置滴答定时器 1ms 产生一次中断 */if(HAL_SYSTICK_Config(SystemC...
#endif/* PREFETCH_ENABLE *//* Set Interrupt Group Priority */HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);/* Use systick as time base source and configure 1ms tick (default clock after Reset is HSI) */HAL_InitTick(TICK_INT_PRIORITY);/* Init the low level hardware */HAL_MspInit()...
PCD_Reset();//器件复位 PCD_Request(PICC_REQALL, RxBuffer);//返回值为0,代表寻卡成功;并把卡类型存入RxBuffer中 PCD_Anticoll(RxBuffer); //把(十六进制)的4个字节卡号存储在数组RxBuffer中 ***/ #include "rc522.h" #include "usart.h" extern SPI_HandleTypeDef...
STM32 peripherals have many powerful features. Some of them are used by default by the Arduino API: I2C, SPI, TIM, U(S)ART, ... and take over IRQ Handlers (ex:TIMx_IRQHandler) and other HAL weaked functions (ex:HAL_XXX_MspInit()). For advanced user applications, it could be usefu...