PIC单片机-LED阵列的使用

编写程序，在Led阵列上依次循环显示自己的学号及姓名拼音的缩写

/******************************************************************************** 标    题: LED点阵显示* 功能描述: LED点阵循环显示"141270049ZRJ"*******************************************************************************/#include <htc.h>#define uint8 unsigned char#define uint16 unsigned int__CONFIG(FOSC_HS &WDTE_OFF &BOREN_OFF &PWRTE_OFF &LVP_OFF); //设置配置位//WDTE_OFF:disable watchdog timer       看门狗禁止//LVP_OFF:low voltage programming disabled  低电压编程禁止//FOSC_HS:high speed crystal/resonator  4M以上晶振选择HS高速//PWRTDIS:disable power up timer//BOREN_OFF:disable brown out reset#define     SCK_595     RA5#define     RCK_595     RE0#define     SER_595     RC0void DelayUS(uint8 delay);void HC595_Init(void);void HC595_Write_Byte(uint8 data);uint8 LED_Datachage(uint8 data);const uint8 dot[12][8] ={    {0x00, 0x08, 0x18, 0x28, 0x08, 0x08, 0x08, 0x00},   //"1"    {0x00, 0x08, 0x18, 0x28, 0x7E, 0x08, 0x08, 0x00},   //"4"    {0x00, 0x08, 0x18, 0x28, 0x08, 0x08, 0x08, 0x00},   //"1"    {0x00, 0x18, 0x24, 0x08, 0x10, 0x3C, 0x00, 0x00},   //"2"    {0x00, 0x3C, 0x04, 0x08, 0x10, 0x20, 0x20, 0x00},   //"7"    {0x00, 0x18, 0x24, 0x24, 0x24, 0x24, 0x18, 0x00},   //"0"    {0x00, 0x18, 0x24, 0x24, 0x24, 0x24, 0x18, 0x00},   //"0"    {0x00, 0x08, 0x18, 0x28, 0x7E, 0x08, 0x08, 0x00},   //"4"    {0x00, 0x18, 0x24, 0x24, 0x1C, 0x08, 0x10, 0x00},   //"9"    {0x00, 0x7E, 0x04, 0x08, 0x10, 0x20, 0x7E, 0x00},   //"Z"    {0x00, 0x70, 0x48, 0x70, 0x60, 0x50, 0x48, 0x00},   //"R"    {0x00, 0x7C, 0x10, 0x10, 0x10, 0x50, 0x20, 0x00}    //"J"};/******************************************************************************** 函 数 名: DelayUS(uint8 delay)* 函数功能: 微秒延时   for 20MHZ* 入口参数: delay* 返    回: 无*******************************************************************************/void DelayUS(uint8 delay){    while(--delay);}/******************************************************************************* 函 数 名: HC595_Init(void)* 函数功能: 74HC595初始化* 入口参数: 无* 返    回: 无*******************************************************************************/void HC595_Init(void){    ADCON1 = 0x8E;    TRISA5 = 0;    TRISE0 = 0;    TRISC0 = 0;}/******************************************************************************* 函 数 名: HC595_Write_Byte(uint8 data)* 函数功能: 74HC595写8位数据* 入口参数: 无* 返    回: 无*******************************************************************************/void HC595_Write_Byte(uint8 data){    uint8 i;    for(i = 0; i < 8; i++)    {        if(data & 0x80)        {            SER_595 = 1;        }        else        {            SER_595 = 0;        }        SCK_595 = 0;        data <<= 1;        SCK_595 = 1;    }    RCK_595 = 0;    RCK_595 = 1;}/******************************************************************************* 函 数 名: LED_Datachage(uint8 data)* 函数功能: 将8位数据的bit0和bit7、bit1和bit6，bit2和bit5，bit3和bit4互相对换* 入口参数: data:待对换的数据* 返    回: 无*******************************************************************************/uint8 LED_Datachage(uint8 data){    uint8 temp, temp1;    temp = (data & 0x01) << 7;    temp1 = (data & 0x80) >> 7;    data = (data & 0x7E) | temp | temp1;    temp = (data & 0x02) << 5;    temp1 = (data & 0x40) >> 5;    data = (data & 0xBD) | temp | temp1;    temp = (data & 0x04) << 3;    temp1 = (data & 0x20) >> 3;    data = (data & 0xDB) | temp | temp1;    temp = (data & 0x08) << 1;    temp1 = (data & 0x10) >> 1;    data = (data & 0xE7) | temp | temp1;    return data;}/******************************************************************************** 函 数 名: main(void)* 函数功能: LED点阵循环显示0~9数字*******************************************************************************/void main(void){    uint8 i, j;    uint16 k;    TRISA &= 0xE3;      //RA2、RA3、RA4设置成输出模式    PORTA |= 0x1C;      //RA2 = 1、RA3 = 1、RA4 = 1，不选通任何数码管，则关掉数码管显示    TRISE &= 0xEF;      //配置PORTD为普通IO口，对PORTD的操作务必加上这句    TRISD = 0x00;       //设置PORTD为输出    HC595_Init();       //74HC595初始化    while(1)    {        for(j = 0; j < 12; j++) //"141270049ZRJ"        {            for(k = 0; k < 1500; k++)   //每个数字重复显示次数            {                for(i = 0; i < 8; i++)  //8行                {                    HC595_Write_Byte((0x01 << i));  //选择行                    PORTD = ~LED_Datachage(dot[j][i]);  //送字                    DelayUS(50);    //延时50us                    PORTD = 0xFF;   //关显示                }            }        }    }}