public.h

#ifndef __PUBLIC_H__ #define __PUBLIC_H__#include "STC12C5A60S2.h" #include <intrins.h> #include <string.h>//包含memset函數(shù)#define UCHAR unsigned char #define UINT unsigned int #define TRUE 1 #define FALSE 0#define LEDON 0xFF #define LEDOFF ~LEDON/* define constants */ #define FOSC 11059200L #define MODE1T //Timer clock mode, comment this line is 12T mode, uncomment is 1T mode#ifdef MODE1T#define T1MS (65536-FOSC/1000) //1ms timer calculation method in 1T mode #else#define T1MS (65536-FOSC/12/1000) //1ms timer calculation method in 12T mode #endif//串口1接收緩沖區(qū)字節(jié)數(shù)目 #define RxdComBuffByteNums 1024//-------------------------------------------------- //接線備注：驅(qū)動板的電源和F3.75單元半板電源必須為同一個電源或兩個電源共GND，方可正常通信。//可以調(diào)節(jié)室內(nèi)F3.75 64*16單紅半板(30.2cm*7.6cm)水平串聯(lián)數(shù)量 #define LedUnitNums 1 //可以調(diào)節(jié)LED漢字左移速度(LeftMoveSpeed數(shù)值越小移動越快)（也可配合下面的中斷次數(shù)，IntNum數(shù)值越小移動越快） #define LeftMoveSpeed 16 //可以調(diào)節(jié)上一次顯示完與下一次開始顯示的間隔漢子個數(shù) #define DisBankNums 4//LED掃描行數(shù)目 #define LedUnitScanRows 16//單元板可以顯示漢字數(shù)目 #define DisHZNums (4*LedUnitNums)//顯示緩沖區(qū)字節(jié)數(shù)目 #define DisBufByteNums (32*DisHZNums)//---------- sbit LA=P2^7;//位碼端LA（74HC138最低位A） sbit LB=P2^6;//位碼端LB（74HC138中間位B） sbit LC=P2^5;//位碼端LC（74HC138中間位C） sbit LD=P2^3;//位碼端LD（74HC138最高位D）sbit LAT=P3^7;//鎖存端LAT sbit CLK=P3^6;//時鐘端CLKsbit OE=P2^4;//使能端OE（低電平有效） sbit R1=P2^2;//段碼端R1（單紅半板，串轉(zhuǎn)并數(shù)據(jù)端）//串口1接收緩沖區(qū)接收上位機發(fā)來的LED點陣段碼 extern xdata UCHAR S1RxdComBuff[RxdComBuffByteNums]; extern UINT S1SerialIndex;//串口1接收索引號 extern UCHAR S1ParseFlag;//串口1解析標志 extern UINT ReceCount;//接收數(shù)據(jù)數(shù)量 extern UINT crc;//CRC16校驗值 extern UCHAR crcLo;//CRC16校驗低8位值 extern UCHAR crcHi;//CRC16校驗高8位值 //返回成功信息 extern UCHAR actSuccess[]; //返回失敗信息 extern UCHAR actFail[];//LED位碼 extern code UCHAR LedPosition[LedUnitScanRows];//LED3.75單紅半板公共數(shù)據(jù)顯示緩沖區(qū) extern idata UCHAR LedDisplayBuf[DisBufByteNums];/*-----------------------------------------------------延時函數(shù) ------------------------------------------------------*/ void delay(UINT times);/*-----------------------------------------------------清空顯示緩沖區(qū) ------------------------------------------------------*/ void ClearBuffer(UCHAR dat);/*-----------------------------------------------------LED初始化函數(shù) ------------------------------------------------------*/ void LedInit();/*--------------------------------------------------兩片74HC138級聯(lián)的驅(qū)動函數(shù)，dat為行驅(qū)動的行號數(shù)據(jù) ---------------------------------------------------*/ void Driver74HC138(UCHAR dat);/*------------------------------------------------恒流驅(qū)動，16位移位鎖存芯片的發(fā)送段碼字節(jié)程序帶有方向參數(shù)，可以選擇從高位節(jié)寫入或者低位寫入，direction=0時，從高位寫入；direction=1，從低位寫入 ------------------------------------------------*/ void SendSegmentByte(UCHAR dat,bit direction);/*--------------------------------------------------恒流驅(qū)動，16位移位鎖存芯片的鎖存并輸出數(shù)據(jù) ---------------------------------------------------*/ void OutputData();/*--------------------------------------------------LED 64*16單紅單元半板顯示緩沖區(qū)數(shù)據(jù)函數(shù) ---------------------------------------------------*/ void LedDisBuf(void);/*--------------------------------------------------LED 64*16單紅單元半板顯示漢字或數(shù)字函數(shù) ---------------------------------------------------*/ void LedDisplay(void);/*--------------------------------------------------LED 64*16單紅單元半板上傳靜態(tài)顯示漢字函數(shù)x-起始位置，從0開始,(注意：x+num<=DisHZNums)num-漢字個數(shù)；pDotCode-漢字點陣數(shù)組 ---------------------------------------------------*/ void LedUploadStaticDisHZ(UCHAR x,UCHAR num,const UCHAR* pDotCode);//串口延時 extern void ComDelay(UINT dlms); //清空串口1接收緩沖區(qū) void ClearRxdComBuffer(UCHAR dat); //串口1初始化 extern void UART_one_init(); //串口1發(fā)送數(shù)據(jù)函數(shù) extern void UART_one_send(UCHAR senddata); //串口1發(fā)送字符串數(shù)據(jù)函數(shù) extern void S1Print(UCHAR *buffer);/*===================================================== 功能：CRC16冗余循環(huán)校驗 參數(shù)：unsigned char *puchMsg ; //要進行CRC校驗的消息unsigned short usDataLen ; //消息中字節(jié)數(shù) =====================================================*/ extern unsigned int CRC16(unsigned char *puchMsg, unsigned int usDataLen);#endif

F3.75Driver_51.c

#include "public.h"//LED位碼 code UCHAR LedPosition[LedUnitScanRows]={0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};//LED3.75單紅半板公共數(shù)據(jù)顯示緩沖區(qū) idata UCHAR LedDisplayBuf[DisBufByteNums];/*-----------------------------------------------------延時函數(shù) ------------------------------------------------------*/ void delay(UINT times) {UINT i,j;for(i=0;i<times;i++)for(j=0;j<10;j++); } /*-----------------------------------------------------清空顯示緩沖區(qū) ------------------------------------------------------*/ void ClearBuffer(UCHAR dat) {memset(LedDisplayBuf,dat,DisBufByteNums);//初始化緩沖區(qū) } /*-----------------------------------------------------LED初始化函數(shù) ------------------------------------------------------*/ void LedInit() {//設置P27、P26、P25、P24、P23為強推挽輸出,//P22、P21、P20為準雙向口模式（傳統(tǒng)8051 I/O模式）P2M1=0x00;//P2M0=0xF8;////P37、P36、P31、P30,P32、P33、P34、P35為準雙向口模式（傳統(tǒng)8051 I/O模式）P3M1=0x00;//P3M0=0x00;//P0=0xFF;P1=0xFF;P2=0xFF;P3=0xFF;OE=0;//使能端有效LAT=0;//CLK=0;//LA=0;//LB=0;//LC=0;//LD=0;//R1=0;////-----------------ClearBuffer(LEDOFF);//初始化緩沖區(qū) } /*--------------------------------------------------兩片74HC138級聯(lián)的驅(qū)動函數(shù)，dat為行驅(qū)動的行號數(shù)據(jù) ---------------------------------------------------*/ void Driver74HC138(UCHAR dat) {LD=dat/8;//74HC138使能端EN LC=dat%8/4;LB=dat%4/2;LA=dat%2; } /*------------------------------------------------恒流驅(qū)動，16位移位鎖存芯片的發(fā)送段碼字節(jié)程序帶有方向參數(shù)，可以選擇從高位節(jié)寫入或者低位寫入，direction=0時，從高位寫入；direction=1，從低位寫入 ------------------------------------------------*/ void SendSegmentByte(UCHAR dat,bit direction) { UCHAR i,temp;if(direction==0)temp=0x80;elsetemp=0x01;for(i=0;i<8;i++){CLK=0;R1=dat&temp;if(direction==0)dat<<=1;elsedat>>=1;CLK=1;} } /*--------------------------------------------------恒流驅(qū)動，16位移位鎖存芯片的鎖存并輸出數(shù)據(jù) ---------------------------------------------------*/ void OutputData() {//鎖存LAT=1;_nop_();LAT=0; } /*--------------------------------------------------LED 64*16單紅單元半板顯示緩沖區(qū)數(shù)據(jù)函數(shù) ---------------------------------------------------*/ void LedDisBuf(void) {UCHAR row,num,j;for(row=0;row<LedUnitScanRows;row++)//1/16掃描LED屏{for(num=0;num<DisHZNums;num++)//發(fā)送一行DisHZNums個漢字數(shù)據(jù){SendSegmentByte(LedDisplayBuf[32*num+row],0);//發(fā)送一個漢字左半邊數(shù)據(jù)SendSegmentByte(LedDisplayBuf[32*num+row+16],0);//發(fā)送一個漢字右半邊數(shù)據(jù)}Driver74HC138(LedPosition[row]);//發(fā)送位碼 OutputData();//鎖存并輸出數(shù)據(jù)//delay(1);//延時//------LED消隱------for(j=0;j<DisHZNums*2;j++)SendSegmentByte(0x00,0);//發(fā)送8字節(jié)段碼 OutputData();//鎖存并輸出數(shù)據(jù) delay(1);//延時} } /*--------------------------------------------------LED 64*16單紅單元半板顯示漢字或數(shù)字函數(shù) ---------------------------------------------------*/ void LedDisplay(void) {UCHAR times;for(times=0;times<LeftMoveSpeed;times++)LedDisBuf();//LED顯示緩沖區(qū)中數(shù)據(jù) } /*--------------------------------------------------LED 64*16單紅單元半板上傳靜態(tài)顯示漢字函數(shù)x-起始位置，從0開始,(注意：x+num<=DisHZNums)num-漢字個數(shù)；pDotCode-漢字點陣數(shù)組 ---------------------------------------------------*/ void LedUploadStaticDisHZ(UCHAR x,UCHAR num,const UCHAR* pDotCode) {UCHAR i;if(x+num<=DisHZNums)//顯示漢字數(shù)目在屏能顯示范圍內(nèi)時{for(i=0;i<num*32;i++)LedDisplayBuf[x*32+i]=pDotCode[i];//把點陣數(shù)據(jù)寫入指定的緩沖區(qū)}else//不在范圍內(nèi)時{for(i=0;i<(DisHZNums-x)*32;i++)LedDisplayBuf[x*32+i]=pDotCode[i];//把點陣數(shù)據(jù)寫入指定的緩沖區(qū)} }

Comdef.c

//------------------------------------------------------ //程序功能：串口 //------------------------------------------------------ #include "public.h"/* define variables */ UINT count=0; //times counterxdata UCHAR S1RxdComBuff[RxdComBuffByteNums]={0};//串口1接收緩沖區(qū) UINT S1SerialIndex=0;//串口1接收索引號 UCHAR S1ParseFlag=0;//串口1解析標志UCHAR slaveAddr=0x01;//從機地址 UCHAR ucControlCode=0x06;//控制碼-下載數(shù)據(jù) UINT ReceCount=0;//接收數(shù)據(jù)數(shù)量 UINT crc=0;//CRC16校驗值 UCHAR crcLo=0;//CRC16校驗低8位值 UCHAR crcHi=0;//CRC16校驗高8位值//返回成功信息 UCHAR actSuccess[]={0x01,0x06,0xAA,0xDF,0xA3}; //返回失敗信息 UCHAR actFail[]={0x01,0x06,0x55,0x9F,0xE3};//串口延時 void ComDelay(UINT dlms) { while(dlms--); }//清空串口1接收緩沖區(qū) void ClearRxdComBuffer(UCHAR dat) {memset(S1RxdComBuff,dat,RxdComBuffByteNums);//初始化緩沖區(qū) }//串口1初始化 void UART_one_init() {//9600bps@11.0592MHzPCON &= 0x7F; //波特率不倍速SCON = 0x50; //串口工作方式1，8位數(shù)據(jù),可變波特率，允許接收AUXR |= 0x40; //定時器1時鐘為Fosc,即1TAUXR &= 0xFE; //串口1選擇定時器1為波特率發(fā)生器TMOD &= 0x0F; //清除定時器1模式位TMOD |= 0x20; //設定定時器1為8位自動重裝方式TL1 = 0xDC; //設定定時初值TH1 = 0xDC; //設定定時器重裝值ET1 = 0; //禁止定時器1中斷TR1 = 1; //啟動定時器1//用定時器T0判斷Modbus一幀數(shù)據(jù)結(jié)束間隔3.5個字符，大概5ms#ifdef MODE1TAUXR |= 0x80; //timer0 work in 1T mode#endifTMOD |= 0x01; //set timer0 as mode1 (16-bit)TL0 = T1MS; //initial timer0 low byteTH0 = T1MS >> 8; //initial timer0 high byteTR0 = 0; //timer0 stopET0 = 1; //enable timer0 interruptcount = 0; //initial counterES=1;//打開串口中斷EA=1;//開總中斷PS=1;//串口1中斷高優(yōu)先級//清空串口1緩沖區(qū)ClearRxdComBuffer(LEDOFF); }//串口1中斷 void UART_one_interrupt() interrupt 4 {EA = 0;if(RI){RI = 0; TR0 = 1; //timer0 start runningcount = 0; //initial counterS1RxdComBuff[S1SerialIndex++]=SBUF;//接收數(shù)據(jù)}if(TI){TI = 0;}EA = 1; }//串口1發(fā)送數(shù)據(jù)函數(shù) void UART_one_send(UCHAR senddata) {ES = 0;SBUF = senddata;while(!TI);TI = 0;ES = 1; }//串口1發(fā)送字符串數(shù)據(jù)函數(shù) void S1Print(UCHAR *buffer) {while(*buffer!='\0'){UART_one_send(*buffer);buffer++;} }/* Timer0 interrupt routine */ void timer0_isr() interrupt 1 {TL0 = T1MS; //reload timer0 low byteTH0 = T1MS >> 8; //reload timer0 high bytecount++;if (count>=5) //1ms * 5 -> 5ms{TR0 = 0;//關(guān)閉定時器T0count = 0;//復位計數(shù)值S1ParseFlag=1;//串口解析置1} }/* CRC 高位字節(jié)值表 */ code unsigned char auchCRCHi[] = { 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40 };/* CRC低位字節(jié)值表*/ code unsigned char auchCRCLo[] = { 0x00, 0xC0, 0xC1, 0x01, 0xC3, 0x03, 0x02, 0xC2, 0xC6, 0x06, 0x07, 0xC7, 0x05, 0xC5, 0xC4, 0x04, 0xCC, 0x0C, 0x0D, 0xCD, 0x0F, 0xCF, 0xCE, 0x0E, 0x0A, 0xCA, 0xCB, 0x0B, 0xC9, 0x09, 0x08, 0xC8, 0xD8, 0x18, 0x19, 0xD9, 0x1B, 0xDB, 0xDA, 0x1A, 0x1E, 0xDE, 0xDF, 0x1F, 0xDD, 0x1D, 0x1C, 0xDC, 0x14, 0xD4, 0xD5, 0x15, 0xD7, 0x17, 0x16, 0xD6, 0xD2, 0x12, 0x13, 0xD3, 0x11, 0xD1, 0xD0, 0x10, 0xF0, 0x30, 0x31, 0xF1, 0x33, 0xF3, 0xF2, 0x32, 0x36, 0xF6, 0xF7, 0x37, 0xF5, 0x35, 0x34, 0xF4, 0x3C, 0xFC, 0xFD, 0x3D, 0xFF, 0x3F, 0x3E, 0xFE, 0xFA, 0x3A, 0x3B, 0xFB, 0x39, 0xF9, 0xF8, 0x38, 0x28, 0xE8, 0xE9, 0x29, 0xEB, 0x2B, 0x2A, 0xEA, 0xEE, 0x2E, 0x2F, 0xEF, 0x2D, 0xED, 0xEC, 0x2C, 0xE4, 0x24, 0x25, 0xE5, 0x27, 0xE7, 0xE6, 0x26, 0x22, 0xE2, 0xE3, 0x23, 0xE1, 0x21, 0x20, 0xE0, 0xA0, 0x60, 0x61, 0xA1, 0x63, 0xA3, 0xA2, 0x62, 0x66, 0xA6, 0xA7, 0x67, 0xA5, 0x65, 0x64, 0xA4, 0x6C, 0xAC, 0xAD, 0x6D, 0xAF, 0x6F, 0x6E, 0xAE, 0xAA, 0x6A, 0x6B, 0xAB, 0x69, 0xA9, 0xA8, 0x68, 0x78, 0xB8, 0xB9, 0x79, 0xBB, 0x7B, 0x7A, 0xBA, 0xBE, 0x7E, 0x7F, 0xBF, 0x7D, 0xBD, 0xBC, 0x7C, 0xB4, 0x74, 0x75, 0xB5, 0x77, 0xB7, 0xB6, 0x76, 0x72, 0xB2, 0xB3, 0x73, 0xB1, 0x71, 0x70, 0xB0, 0x50, 0x90, 0x91, 0x51, 0x93, 0x53, 0x52, 0x92, 0x96, 0x56, 0x57, 0x97, 0x55, 0x95, 0x94, 0x54, 0x9C, 0x5C, 0x5D, 0x9D, 0x5F, 0x9F, 0x9E, 0x5E, 0x5A, 0x9A, 0x9B, 0x5B, 0x99, 0x59, 0x58, 0x98, 0x88, 0x48, 0x49, 0x89, 0x4B, 0x8B, 0x8A, 0x4A, 0x4E, 0x8E, 0x8F, 0x4F, 0x8D, 0x4D, 0x4C, 0x8C, 0x44, 0x84, 0x85, 0x45, 0x87, 0x47, 0x46, 0x86, 0x82, 0x42, 0x43, 0x83, 0x41, 0x81, 0x80, 0x40 };/*===================================================== 功能：CRC16冗余循環(huán)校驗 參數(shù)：unsigned char *puchMsg ; //要進行CRC校驗的消息unsigned int usDataLen ; //消息中字節(jié)數(shù) =====================================================*/ unsigned int CRC16(unsigned char *puchMsg, unsigned int usDataLen) {unsigned char uchCRCHi = 0xFF; /* 高CRC字節(jié)初始化 */unsigned char uchCRCLo = 0xFF; /* 低CRC 字節(jié)初始化 */unsigned int uIndex ; /* CRC循環(huán)中的索引 */while (usDataLen--) /* 傳輸消息緩沖區(qū) */{uIndex = uchCRCHi ^ *puchMsg++ ; /* 計算CRC */uchCRCHi = uchCRCLo ^ auchCRCHi[uIndex];uchCRCLo = auchCRCLo[uIndex];}return (uchCRCHi << 8 | uchCRCLo); }

main.c

/*-------------------------------------------------------- 項目名稱：下位機串口改字16*64LED點陣程序 實驗平臺：室內(nèi)F3.75 64*16單紅半板(30.2cm*7.6cm)，STC12C5A60S2單片機LED點陣屏控制卡。主要芯片：信號功放：74HC245兩片，行驅(qū)動：74HC138兩片,4953八片，列驅(qū)動：恒流16位移位鎖存SM16016SC一片、SM16106SC兩片、MP5020GP一片。室內(nèi)F3.75 64*16單紅半板(30.2cm*7.6cm):共陰點陣，數(shù)據(jù)1-亮，0-滅 ---------------------------------------------------------*/ #include "public.h"//主函數(shù) void main() {UINT i;UINT crcLo_index;//CRC16低8位索引UINT crcHi_index;//CRC16高8位索引LedInit();//LED初始化UART_one_init();//串口1初始化ComDelay(500);while(1){LedDisplay();//靜態(tài)顯示if(1==S1ParseFlag)//串口1解析{ S1ParseFlag=0;//清零ReceCount=S1SerialIndex;//計算接收數(shù)據(jù)數(shù)量S1SerialIndex=0;//清零crc=CRC16(S1RxdComBuff,ReceCount-2);//CRC16校驗crcLo=crc%256;//CRC16低8位crcHi=crc/256;//CRC16高8位crcLo_index=ReceCount-2;//CRC16低8位索引crcHi_index=ReceCount-1;//CRC16高8位索引//返回接收的數(shù)據(jù)//for(i=0;i<ReceCount;i++)// UART_one_send(S1RxdComBuff[i]);//對最后兩個校驗值校驗if((crcLo==S1RxdComBuff[crcLo_index])&&(crcHi==S1RxdComBuff[crcHi_index])){ //返回成功信息for(i=0;i<5;i++)UART_one_send(actSuccess[i]);//對最后兩個校驗值清零（數(shù)據(jù)1-亮，0-滅）S1RxdComBuff[crcLo_index]=S1RxdComBuff[crcHi_index]=LEDOFF;//上傳靜態(tài)顯示漢字函數(shù)LedUploadStaticDisHZ(0,4,S1RxdComBuff+2);//清空串口1緩沖區(qū)ClearRxdComBuffer(LEDOFF);}else{//返回失敗信息for(i=0;i<5;i++)UART_one_send(actFail[i]);}}} }

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