MAIN.
/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file : main.c
* @brief : Main program body
******************************************************************************
* @attention
* Copyright (c) 2025 STMicroelectronics.
* All rights reserved.
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
******************************************************************************
*/
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
/* USER CODE END PTD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */
int KEY0;
int KEY1;
uint8_t Var_1[8];
int Var;
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
/* USER CODE BEGIN PFP */
/* USER CODE END PFP */
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
void tat_Led(void){
HAL_GPIO_WritePin(LED1_GPIO_Port, LED1_Pin, 1);
HAL_GPIO_WritePin(LED2_GPIO_Port, LED2_Pin, 1);
HAL_GPIO_WritePin(LED3_GPIO_Port, LED3_Pin, 1);
HAL_GPIO_WritePin(LED4_GPIO_Port, LED4_Pin, 1);
HAL_GPIO_WritePin(LED5_GPIO_Port, LED5_Pin, 1);
HAL_GPIO_WritePin(LED6_GPIO_Port, LED6_Pin, 1);
HAL_GPIO_WritePin(LED7_GPIO_Port, LED7_Pin, 1);
HAL_GPIO_WritePin(LED8_GPIO_Port, LED8_Pin, 1);
void nhiphan(int dem)
for(int i = 0; i < 8; i++)
Var_1[i] = dem%2;
dem/=2;
void giamdan(void)
KEY0 = 0;
KEY1 = 0;
for(int i = 0; i <= 255; i++)
if(KEY1 >= 1||KEY0 >= 1)
break;
nhiphan(i);
HAL_GPIO_WritePin(LED1_GPIO_Port, LED1_Pin, Var_1[0]);
HAL_GPIO_WritePin(LED2_GPIO_Port, LED2_Pin, Var_1[1]);
HAL_GPIO_WritePin(LED3_GPIO_Port, LED3_Pin, Var_1[2]);
HAL_GPIO_WritePin(LED4_GPIO_Port, LED4_Pin, Var_1[3]);
HAL_GPIO_WritePin(LED5_GPIO_Port, LED5_Pin, Var_1[4]);
HAL_GPIO_WritePin(LED6_GPIO_Port, LED6_Pin, Var_1[5]);
HAL_GPIO_WritePin(LED7_GPIO_Port, LED7_Pin, Var_1[6]);
HAL_GPIO_WritePin(LED8_GPIO_Port, LED8_Pin, Var_1[7]);
HAL_Delay(300);
void tangdan(void){
KEY0 = 0;
KEY1 = 0;
for(int i = 255; i >=0; i--){
if(KEY1 >= 1|| KEY0 >= 1)
break;
nhiphan(i);
HAL_GPIO_WritePin(LED1_GPIO_Port, LED1_Pin,Var_1[0]);
HAL_GPIO_WritePin(LED2_GPIO_Port, LED2_Pin, Var_1[1]);
HAL_GPIO_WritePin(LED3_GPIO_Port, LED3_Pin, Var_1[2]);
HAL_GPIO_WritePin(LED4_GPIO_Port, LED4_Pin, Var_1[3]);
HAL_GPIO_WritePin(LED5_GPIO_Port, LED5_Pin, Var_1[4]);
HAL_GPIO_WritePin(LED6_GPIO_Port, LED6_Pin, Var_1[5]);
HAL_GPIO_WritePin(LED7_GPIO_Port, LED7_Pin, Var_1[6]);
HAL_GPIO_WritePin(LED8_GPIO_Port, LED8_Pin, Var_1[7]);
HAL_Delay(300);
void reset_default(void){
KEY0 = 0;
KEY1 = 0;
Var = 0;
}
/* USER CODE END 0 */
/**
* @brief The application entry point.
* @retval int
*/
int main(void)
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
/* MCU Configuration--------------------------------------------------------*/
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* USER CODE BEGIN Init */
/* USER CODE END Init */
/* Configure the system clock */
SystemClock_Config();
/* USER CODE BEGIN SysInit */
/* USER CODE END SysInit */
/* Initialize all configured peripherals */
MX_GPIO_Init();
/* USER CODE BEGIN 2 */
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
if (KEY0 >= 1)
tangdan();
if (KEY1 >= 1)
giamdan();
}
}
/* USER CODE END 3 */
/**
* @brief System Clock Configuration
* @retval None
*/
void SystemClock_Config(void)
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
/** Configure the main internal regulator output voltage
*/
__HAL_RCC_PWR_CLK_ENABLE();
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
/** Initializes the RCC Oscillators according to the specified parameters
* in the RCC_OscInitTypeDef structure.
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
RCC_OscInitStruct.PLL.PLLM = 8;
RCC_OscInitStruct.PLL.PLLN = 168;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = 4;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
Error_Handler();
/** Initializes the CPU, AHB and APB buses clocks
*/
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|
RCC_CLOCKTYPE_SYSCLK
|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) !=
HAL_OK)
Error_Handler();
/**
* @brief GPIO Initialization Function
* @param None
* @retval None
*/
static void MX_GPIO_Init(void)
GPIO_InitTypeDef GPIO_InitStruct = {0};
/* USER CODE BEGIN MX_GPIO_Init_1 */
/* USER CODE END MX_GPIO_Init_1 */
/* GPIO Ports Clock Enable */
__HAL_RCC_GPIOE_CLK_ENABLE();
__HAL_RCC_GPIOH_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(GPIOA, LED1_Pin|LED2_Pin|LED3_Pin|LED4_Pin,
GPIO_PIN_SET);
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(GPIOC, LED5_Pin|LED6_Pin, GPIO_PIN_SET);
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(GPIOB, LED7_Pin|LED8_Pin, GPIO_PIN_SET);
/*Configure GPIO pin : KEY0_Pin */
GPIO_InitStruct.Pin = KEY0_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
GPIO_InitStruct.Pull = GPIO_PULLUP;
HAL_GPIO_Init(KEY0_GPIO_Port, &GPIO_InitStruct);
/*Configure GPIO pin : KEY1_Pin */
GPIO_InitStruct.Pin = KEY1_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(KEY1_GPIO_Port, &GPIO_InitStruct);
/*Configure GPIO pins : LED1_Pin LED2_Pin LED3_Pin LED4_Pin */
GPIO_InitStruct.Pin = LED1_Pin|LED2_Pin|LED3_Pin|LED4_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/*Configure GPIO pins : LED5_Pin LED6_Pin */
GPIO_InitStruct.Pin = LED5_Pin|LED6_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
/*Configure GPIO pins : LED7_Pin LED8_Pin */
GPIO_InitStruct.Pin = LED7_Pin|LED8_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/* EXTI interrupt init*/
HAL_NVIC_SetPriority(EXTI0_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(EXTI0_IRQn);
HAL_NVIC_SetPriority(EXTI4_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(EXTI4_IRQn);
/* USER CODE BEGIN MX_GPIO_Init_2 */
/* USER CODE END MX_GPIO_Init_2 */
/* USER CODE BEGIN 4 */
/* USER CODE END 4 */
/**
* @brief This function is executed in case of error occurrence.
* @retval None
*/
void Error_Handler(void)
{
/* USER CODE BEGIN Error_Handler_Debug */
/* User can add his own implementation to report the HAL error return state
*/
__disable_irq();
while (1)
/* USER CODE END Error_Handler_Debug */
#ifdef USE_FULL_ASSERT
/**
* @brief Reports the name of the source file and the source line number
* where the assert_param error has occurred.
* @param file: pointer to the source file name
* @param line: assert_param error line source number
* @retval None
*/
void assert_failed(uint8_t *file, uint32_t line)
/* USER CODE BEGIN 6 */
/* User can add his own implementation to report the file name and line
number,
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
/* USER CODE END 6 */
#endif /* USE_FULL_ASSERT */
NGẮT
/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file stm32f4xx_it.c
* @brief Interrupt Service Routines.
******************************************************************************
* @attention
* Copyright (c) 2025 STMicroelectronics.
* All rights reserved.
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
******************************************************************************
*/
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "stm32f4xx_it.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN TD */
/* USER CODE END TD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */
extern int KEY0;
extern int KEY1;
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
/* USER CODE BEGIN PFP */
/* USER CODE END PFP */
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
/* External variables --------------------------------------------------------*/
/* USER CODE BEGIN EV */
/* USER CODE END EV */
/
******************************************************************************
/
/* Cortex-M4 Processor Interruption and Exception Handlers */
/
******************************************************************************
/
/**
* @brief This function handles Non maskable interrupt.
*/
void NMI_Handler(void)
/* USER CODE BEGIN NonMaskableInt_IRQn 0 */
/* USER CODE END NonMaskableInt_IRQn 0 */
/* USER CODE BEGIN NonMaskableInt_IRQn 1 */
while (1)
/* USER CODE END NonMaskableInt_IRQn 1 */
/**
* @brief This function handles Hard fault interrupt.
*/
void HardFault_Handler(void)
/* USER CODE BEGIN HardFault_IRQn 0 */
/* USER CODE END HardFault_IRQn 0 */
while (1)
/* USER CODE BEGIN W1_HardFault_IRQn 0 */
/* USER CODE END W1_HardFault_IRQn 0 */
/**
* @brief This function handles Memory management fault.
*/
void MemManage_Handler(void)
{
/* USER CODE BEGIN MemoryManagement_IRQn 0 */
/* USER CODE END MemoryManagement_IRQn 0 */
while (1)
/* USER CODE BEGIN W1_MemoryManagement_IRQn 0 */
/* USER CODE END W1_MemoryManagement_IRQn 0 */
/**
* @brief This function handles Pre-fetch fault, memory access fault.
*/
void BusFault_Handler(void)
/* USER CODE BEGIN BusFault_IRQn 0 */
/* USER CODE END BusFault_IRQn 0 */
while (1)
/* USER CODE BEGIN W1_BusFault_IRQn 0 */
/* USER CODE END W1_BusFault_IRQn 0 */
/**
* @brief This function handles Undefined instruction or illegal state.
*/
void UsageFault_Handler(void)
/* USER CODE BEGIN UsageFault_IRQn 0 */
/* USER CODE END UsageFault_IRQn 0 */
while (1)
/* USER CODE BEGIN W1_UsageFault_IRQn 0 */
/* USER CODE END W1_UsageFault_IRQn 0 */
/**
* @brief This function handles System service call via SWI instruction.
*/
void SVC_Handler(void)
/* USER CODE BEGIN SVCall_IRQn 0 */
/* USER CODE END SVCall_IRQn 0 */
/* USER CODE BEGIN SVCall_IRQn 1 */
/* USER CODE END SVCall_IRQn 1 */
/**
* @brief This function handles Debug monitor.
*/
void DebugMon_Handler(void)
/* USER CODE BEGIN DebugMonitor_IRQn 0 */
/* USER CODE END DebugMonitor_IRQn 0 */
/* USER CODE BEGIN DebugMonitor_IRQn 1 */
/* USER CODE END DebugMonitor_IRQn 1 */
/**
* @brief This function handles Pendable request for system service.
*/
void PendSV_Handler(void)
/* USER CODE BEGIN PendSV_IRQn 0 */
/* USER CODE END PendSV_IRQn 0 */
/* USER CODE BEGIN PendSV_IRQn 1 */
/* USER CODE END PendSV_IRQn 1 */
/**
* @brief This function handles System tick timer.
*/
void SysTick_Handler(void)
/* USER CODE BEGIN SysTick_IRQn 0 */
/* USER CODE END SysTick_IRQn 0 */
HAL_IncTick();
/* USER CODE BEGIN SysTick_IRQn 1 */
/* USER CODE END SysTick_IRQn 1 */
/
******************************************************************************
/
/* STM32F4xx Peripheral Interrupt Handlers */
/* Add here the Interrupt Handlers for the used peripherals. */
/* For the available peripheral interrupt handler names, */
/* please refer to the startup file (startup_stm32f4xx.s). */
/
******************************************************************************
/
/**
* @brief This function handles EXTI line0 interrupt.
*/
void EXTI0_IRQHandler(void)
{
/* USER CODE BEGIN EXTI0_IRQn 0 */
/* USER CODE END EXTI0_IRQn 0 */
HAL_GPIO_EXTI_IRQHandler(KEY1_Pin);
/* USER CODE BEGIN EXTI0_IRQn 1 */
KEY1++;
/* USER CODE END EXTI0_IRQn 1 */
/**
* @brief This function handles EXTI line4 interrupt.
*/
void EXTI4_IRQHandler(void)
/* USER CODE BEGIN EXTI4_IRQn 0 */
/* USER CODE END EXTI4_IRQn 0 */
HAL_GPIO_EXTI_IRQHandler(KEY0_Pin);
/* USER CODE BEGIN EXTI4_IRQn 1 */
KEY0++;
/* USER CODE END EXTI4_IRQn 1 */
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
