stm32数码管显示数字 流程图_STM32+TM1637驱动数码管显示程序源码与原理图资料（动态显示学号）...

/* Includes ------------------------------------------------------------------*/

#include "main.h"

#include "stm32f1xx_hal.h"

/* USER CODE BEGIN Includes */

/* USER CODE END Includes */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */

/* Private variables ---------------------------------------------------------*/

static uint8_t fac_us=0;

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/

void SystemClock_Config(void);

void Error_Handler(void);

static void MX_GPIO_Init(void);

/* USER CODE BEGIN PFP */

/* Private function prototypes -----------------------------------------------*/

void ALIX_Delay_init(void);

void ALIX_Delay_us(uint32_t nus);

void TMserialstart(void);

void TMserialstop(void);

void TMserialask(void);

void TMserialWrByte(uint8_t oneByte);

void TMSegDisplay(uint8_t *DISCODE);

/* USER CODE END PFP */

/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

int main(void)

{

/* USER CODE BEGIN 1 */

uint8_t NUM[]={0X3F,0X06,0X5B,0X4F,0X66,0X6D,0X7D,0X07,0X7F,0X6F};

uint8_t abc[]={0x00,0x00,0x00,0x00};

//                0     1    2    3    4    5    6    7    8    9

/* USER CODE END 1 */

/* MCU Configuration----------------------------------------------------------*/

/* Reset of all peripherals, Initializes the Flash interface and the Systick. */

HAL_Init();

/* Configure the system clock */

SystemClock_Config();

/* Initialize all configured peripherals */

MX_GPIO_Init();

/* USER CODE BEGIN 2 */

ALIX_Delay_init();

int b=0;

/* USER CODE END 2 */

/* Infinite loop */

/* USER CODE BEGIN WHILE */

while (1)

{

int c,d,e,f;

/* USER CODE END WHILE */

/* USER CODE BEGIN 3 */

if(HAL_GPIO_ReadPin(GPIOA,GPIO_PIN_5)==0)

{

if(HAL_GPIO_ReadPin(GPIOA,GPIO_PIN_5)==1)

{

b++;

c=b%10;

d=b/10%10;

e=b/100%10;

f=b/1000%10;

abc[0]=NUM[f];

abc[1]=NUM[e];

abc[2]=NUM[d];

abc[3]=NUM[c];

TMSegDisplay(abc);

HAL_GPIO_TogglePin(led_GPIO_Port,led_Pin);

ALIX_Delay_us(90000);

if(b==9999)

{

b=0;

}

}

}

}

/* USER CODE END 3 */

}

/** System Clock Configuration

*/

void SystemClock_Config(void)

{

RCC_OscInitTypeDef RCC_OscInitStruct;

RCC_ClkInitTypeDef RCC_ClkInitStruct;

/**Initializes the CPU, AHB and APB busses clocks

*/

RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;

RCC_OscInitStruct.HSEState = RCC_HSE_ON;

RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;

RCC_OscInitStruct.HSIState = RCC_HSI_ON;

RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;

RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;

RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;

if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)

{

Error_Handler();

}

/**Initializes the CPU, AHB and APB busses 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_DIV2;

RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)

{

Error_Handler();

}

/**Configure the Systick interrupt time

*/

HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);

/**Configure the Systick

*/

HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);

/* SysTick_IRQn interrupt configuration */

HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);

}

/** Configure pins as

* Analog

* Input

* Output

* EVENT_OUT

* EXTI

*/

static void MX_GPIO_Init(void)

{

GPIO_InitTypeDef GPIO_InitStruct;

/* GPIO Ports Clock Enable */

__HAL_RCC_GPIOC_CLK_ENABLE();

__HAL_RCC_GPIOD_CLK_ENABLE();

__HAL_RCC_GPIOA_CLK_ENABLE();

/*Configure GPIO pin Output Level */

HAL_GPIO_WritePin(led_GPIO_Port, led_Pin, GPIO_PIN_SET);

/*Configure GPIO pin Output Level */

HAL_GPIO_WritePin(GPIOA, TM_DIO_Pin|TM_CLK_Pin, GPIO_PIN_SET);

/*Configure GPIO pin : led_Pin */

GPIO_InitStruct.Pin = led_Pin;

GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;

GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;

HAL_GPIO_Init(led_GPIO_Port, &GPIO_InitStruct);

/*Configure GPIO pins : TM_DIO_Pin TM_CLK_Pin */

GPIO_InitStruct.Pin = TM_DIO_Pin|TM_CLK_Pin;

GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;

GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;

HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

/*Configure GPIO pin : PA2 */

GPIO_InitStruct.Pin = GPIO_PIN_2;

GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;

GPIO_InitStruct.Pull = GPIO_NOPULL;

HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

/*Configure GPIO pin : PA5 */

GPIO_InitStruct.Pin = GPIO_PIN_5;

GPIO_InitStruct.Mode = GPIO_MODE_INPUT;

GPIO_InitStruct.Pull = GPIO_NOPULL;

HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

}

/* USER CODE BEGIN 4 */

void ALIX_Delay_init()

{

HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK_DIV8);

fac_us=SystemCoreClock/8000000;

}

void ALIX_Delay_us(uint32_t nus)

{

uint32_t temp;

SysTick->LOAD=nus*fac_us;

SysTick->VAL=0x00;

SysTick->CTRL|=SysTick_CTRL_ENABLE_Msk ;

do

{

temp=SysTick->CTRL;

}while((temp&0x01)&&!(temp&(1<<16)));

SysTick->CTRL&=~SysTick_CTRL_ENABLE_Msk;

SysTick->VAL =0X00;

}

void TMserialstart(void)

{

HAL_GPIO_WritePin(TM_CLK_GPIO_Port,TM_CLK_Pin,GPIO_PIN_SET); // CLK = 1

HAL_GPIO_WritePin(TM_DIO_GPIO_Port,TM_DIO_Pin,GPIO_PIN_SET); // DIO = 1

ALIX_Delay_us(2);

HAL_GPIO_WritePin(TM_DIO_GPIO_Port,TM_DIO_Pin,GPIO_PIN_RESET); // DIO = 0

}

void TMserialstop(void)

{

HAL_GPIO_WritePin(TM_CLK_GPIO_Port,TM_CLK_Pin,GPIO_PIN_RESET); // CLK = 0

ALIX_Delay_us(2);

HAL_GPIO_WritePin(TM_DIO_GPIO_Port,TM_DIO_Pin,GPIO_PIN_RESET); // DIO = 0

ALIX_Delay_us(2);

HAL_GPIO_WritePin(TM_CLK_GPIO_Port,TM_CLK_Pin,GPIO_PIN_SET); // CLK = 1

ALIX_Delay_us(2);

HAL_GPIO_WritePin(TM_DIO_GPIO_Port,TM_DIO_Pin,GPIO_PIN_SET); // DIO = 1

}

void TMserialask(void)

{

TM1637_DIO_IN();

HAL_GPIO_WritePin(TM_CLK_GPIO_Port,TM_CLK_Pin,GPIO_PIN_RESET); // CLK = 0

ALIX_Delay_us(5);

while(HAL_GPIO_ReadPin(TM_DIO_GPIO_Port,TM_DIO_Pin));

HAL_GPIO_WritePin(TM_CLK_GPIO_Port,TM_CLK_Pin,GPIO_PIN_SET); // CLK = 1

ALIX_Delay_us(2);

HAL_GPIO_WritePin(TM_CLK_GPIO_Port,TM_CLK_Pin,GPIO_PIN_RESET); // CLK = 0

TM1637_DIO_OUT();

}

void TMserialWrByte(uint8_t oneByte)

{

uint8_t i;

for(i=0;i<8;i++)

{

HAL_GPIO_WritePin(TM_CLK_GPIO_Port,TM_CLK_Pin,GPIO_PIN_RESET); // CLK = 0

if(oneByte&0x01)

{

HAL_GPIO_WritePin(TM_DIO_GPIO_Port,TM_DIO_Pin,GPIO_PIN_SET); // DIO = 1

}

else

{

HAL_GPIO_WritePin(TM_DIO_GPIO_Port,TM_DIO_Pin,GPIO_PIN_RESET); // DIO = 0

}

ALIX_Delay_us(3);

oneByte=oneByte>>1;

HAL_GPIO_WritePin(TM_CLK_GPIO_Port,TM_CLK_Pin,GPIO_PIN_SET); // CLK = 1

ALIX_Delay_us(3);

}

}

void TMSegDisplay(uint8_t *DISCODE)

{

uint8_t i;

TMserialstart();

TMserialWrByte(0x40);

TMserialask();

TMserialstop();

TMserialstart();

TMserialWrByte(0xc0);

TMserialask();

for(i=0;i<4;i++)

{

TMserialWrByte(*(DISCODE+i));

TMserialask();

}

TMserialstop();

TMserialstart();

TMserialWrByte(0x8f);

TMserialask();

TMserialstop();

}

/* USER CODE END 4 */

/**

* @brief  This function is executed in case of error occurrence.

* @param  None

* @retval None

*/

void Error_Handler(void)

{

/* USER CODE BEGIN Error_Handler */

/* User can add his own implementation to report the HAL error return state */

while(1)

{

}

/* USER CODE END Error_Handler */

}

#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

/**

* @}

*/

/**

* @}

*/

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/