如何让数码管不关闭显示?附单片机程序 -

/*
* File: Main.c
* Author: 12618
*
* Created on 2022年9月30日, 上午9:53
*/
/* Includes：主函数 ------------------------------------------------------------------*/
#include <Main.h>
/* Private define：个人定义变量 host变量（字符常量）-------------------------------------------------------------*/
/* Private variables：个人绑定变量----------------------------------------------------------*/
/* Public variables：公共绑定变量-----------------------------------------------------------*/
/* Private function prototypes：个人功能函数------------------------------------------------*/
/*
* @name main
* @brief 主函数
* @param None
* @retval None
*/
int main()
{
Sys.Sys_Init();
//系统主循环
while(1)
{
//Isr.Timer0_ISR();中断查询法
SMG1.SumLed_SMG();
}
}
/********************************************************
End Of File
********************************************************/
/*
* File: SMG.c
* Author: Administrator
*
* Created on 2022年9月20日, 下午4:27
*/
#include <Main.h>
/* Private define-------------------------------------------------------------*/
u16_int ge;
u16_int shi;
u16_int bai;
u16_int qian;
const u8_word LED[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90}; //段码表
/* Private variables----------------------------------------------------------*/
static void SMG_SumLed(void); //适用输入输出端口初始化
/* Public variables-----------------------------------------------------------*/
//结构体定义对应.h的结构体类型
SMG_t SMG1 =
{
0, //定义数码管计数初值为0
SMG_SumLed,
};
/* Private function prototypes------------------------------------------------*/
/*
* @name SMG_SumLed()
* @brief 数码管函数
* @param None
* @retval None
*/
///// 查询法，需要放入while(1)//////
static void SMG_SumLed()
{
Run_LED.LED_Flash();
COUNT_LED = !COUNT_LED;
SMG1.Flash_count = ++SMG1.Flash_count;
ge = SMG1.Flash_count % 10;
shi = SMG1.Flash_count % 100 / 10;
bai = SMG1.Flash_count % 1000 / 100;
qian = SMG1.Flash_count / 1000;
u16_int i = 2;
while( i--)
{
PORTBbits.RB3 = 0; //选择个位数码管
PORTD = LED[ge]; //获取个位值
Delay_timer.Delay_1us(5); //十延时
//PORTD = 0xFF; //清数码管显示
//PORTBbits.RB3 = 1; //关数码管
PORTBbits.RB2 = 0; //选择十位数码管
PORTD = LED[shi]; //获取十位值
Delay_timer.Delay_1us(5); //延时
// PORTD = 0xFF; //清数码管显示
//PORTBbits.RB2 = 1; //关数码管*/
PORTBbits.RB1 = 0; //选择百位数码管
PORTD =LED[bai]; //获取百位值
Delay_timer.Delay_1us(5); //延时
// PORTD = 0xFF; //清数码管显示
//PORTBbits.RB1 = 1; //关数码管
PORTBbits.RB0 = 0; //选择千位数码管
PORTD = LED[qian]; //获取千位值
Delay_timer.Delay_1us(5); //延时
//PORTD = 0xFF; //清数码管显示
//PORTBbits.RB0 = 1; //关数码管
}
}

复制代码