The development of STM32 microcontrollers relies heavily on their powerful library function support. These library functions provide developers with a unified interface, simplifying the operation of low-level hardware, improving development efficiency and the reliability of programs. Below we will share 20 commonly used library functions for STM32 microcontrollers.
1. GPIO Initialization Function
void HAL_GPIO_Init(GPIO_TypeDef* GPIOx, GPIO_InitTypeDef* GPIO_InitStruct);2. GPIO Pin Output Level Setting Function
void HAL_GPIO_WritePin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin, GPIO_PinState PinState);3. GPIO Pin Level Toggle Function
void HAL_GPIO_TogglePin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);4. GPIO Pin Level Read Function
GPIO_PinState HAL_GPIO_ReadPin(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin);5. Delay Function
void HAL_Delay(uint32_t Delay);6. Timer Interrupt Callback Function
void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim);7. Timer Start Interrupt Mode Function
HAL_StatusTypeDef HAL_TIM_Base_Start_IT(TIM_HandleTypeDef *htim);8. PWM Signal Start Function
HAL_StatusTypeDef HAL_TIM_PWM_Start(TIM_HandleTypeDef *htim, uint32_t Channel);9. PWM Duty Cycle Modification Function
__HAL_TIM_SetCompare(TIM_HandleTypeDef *htim, uint32_t Channel, uint32_t Compare);10. Timer Enable Function
void __HAL_TIM_ENABLE(TIM_HandleTypeDef *htim);11. Timer Disable Function
void __HAL_TIM_DISABLE(TIM_HandleTypeDef *htim);12. Serial Port Send Data Function
HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);13. Serial Port Receive Data Function
HAL_StatusTypeDef HAL_UART_Receive(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);14. Serial Port Interrupt Mode Send Data Function
HAL_StatusTypeDef HAL_UART_Transmit_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);15. Serial Port Interrupt Mode Receive Data Function
HAL_StatusTypeDef HAL_UART_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);16. Get Current Milliseconds Function
uint32_t HAL_GetTick(void);17. External Interrupt Initialization Function
void HAL_GPIO_EXTI_IRQHandler(uint16_t GPIO_Pin);18. External Interrupt Callback Function
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin);19. ADC Start Function
HAL_StatusTypeDef HAL_ADC_Start(ADC_HandleTypeDef* hadc);20. Watchdog Enable Function
void IWDG_Enable(void); // For Independent Watchdog
void WWDG_Enable(void); // For Window WatchdogThis article is an original piece by Fan Yi Education, please indicate the source when reprinting!