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）

ID:412073 · 发表于 2018-10-19 08:39

TM1637数码管显示模块原理图如下：

现象：显示4444
要求：计算1-9的段码，用16进制数；
   显示学号后四位
   动态显示全部学号
   计数：从0-9999

stm32单片机源程序如下:

/* 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****/