按照6楼朋友的图修改如下：
- #include <reg51.h>
- #include <intrins.h>
- #define uchar unsigned char
- #define uint unsigned int
- #define ulong unsigned long
- sbit PinLE_Data = P2 ^ 6;
- sbit PinLE_Comm = P2 ^ 7;
- uchar code ucTabNumber[16] = {
- 0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,
- 0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71
- };
- // @12.000MHz
- void Delay2ms(void) {
- uchar i, j;
- i = 4;
- j = 225;
- do
- {
- while (--j);
- } while (--i);
- }
- #define DISPALY_SPEED 60 // 决定显示速度
- #define SEG_LENGTH 6 // 数码管位数
- #define SET_74HC573(data, le) {P0 = data; le = 1; _nop_(); le = 0;}
- void Display(uchar *p_ucArr) {
- uchar i;
- uchar ucTemp;
- static uchar s_ucPosition; // [0,11] 定位
- static uint s_uiCount; // 计数
- for (i = 0; i < SEG_LENGTH; i++) {
- if ((s_ucPosition + i) < (SEG_LENGTH - 1)) {
- ucTemp = 0x00;
- } else if ((s_ucPosition + i) > ((SEG_LENGTH << 1) - 2)) {
- ucTemp = 0x00;
- } else {
- // 有效内容
- ucTemp = ucTabNumber[*(p_ucArr + ((s_ucPosition + i) - (SEG_LENGTH - 1)))], PinLE_Data;
- }
- SET_74HC573(0xff, PinLE_Comm); // 先关闭公共端
- SET_74HC573(ucTemp, PinLE_Data); // 赋值
- SET_74HC573(~(0x01 << i), PinLE_Comm); // 打开公共端
- Delay2ms(); // 显示
- }
- // 计数控制速度
- s_uiCount++;
- if(s_uiCount >= DISPALY_SPEED) {
- s_uiCount = 0;
- // 控制有效定位
- s_ucPosition++;
- if(s_ucPosition >= ((SEG_LENGTH << 1) - 1)) {
- s_ucPosition = 0;
- }
- }
- }
- /*
- * 将数字按位转换成数组
- * ulNumber：原数字
- * *p_ucArr：数组地址
- */
- void Transformation(ulong ulNumber, uchar *p_ucArr) {
- *p_ucArr = ulNumber / 100000;
- p_ucArr++;
- *p_ucArr = ulNumber % 100000 / 10000;
- p_ucArr++;
- *p_ucArr = ulNumber % 10000 / 1000;
- p_ucArr++;
- *p_ucArr = ulNumber % 1000 / 100;
- p_ucArr++;
- *p_ucArr = ulNumber % 100 / 10;
- p_ucArr++;
- *p_ucArr = ulNumber % 10;
- }
- void main(void) {
- uchar ucArr[6] = {0};
- ulong ulNumber = 187732;
- // 初始化数码管-关闭显示
- SET_74HC573(0xff, PinLE_Comm);
- SET_74HC573(0x00, PinLE_Data);
- // 将数字按位转换成数组
- Transformation(ulNumber, ucArr);
- while (1) {
- // 显示数组中的数字
- Display(ucArr);
- }
- }
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