ADS7816驅(qū)動(dòng)程序(1602顯示51單片機(jī)四線串口傳輸數(shù)據(jù))

1、1.主函數(shù)#include#include#include1602.h#defineucharunsignedchar#defineuintunsignedintsbitled=P1A0;sbitDCLK=P2A1；sbitDout=P2A2;sbitCE=P2A3；voiddelay(uintz)/延時(shí)ZMS子函數(shù)uintx,y；for(x=z；x0；x-)for(y=110；y0；y-)；ucharcodedisplay=0,1,2,3,4,5,6,7,8,9；voidinit()/AD初始化DCLK=1；Dout=1；CE=1；unsignedintreadADS()讀取AD值，SPIu

2、nsignedintback_up=0；unsignedchari=0；bitdata1=0；Dout=1；DCLK=0；_nop_()；_nop_()；_nop_()；_nop_()；CE=1；_nop_()；_nop_()；_nop_()；_nop_()； CE=0;/sampleDCLK=1;_nop_();_nop_();_nop_();_nop_();DCLK=0;_nop_();_nop_();_nop_();_nop_();DCLK=1;_nop_();_nop_();_nop_();_nop_();DCLK=0;_nop_();_nop_();_nop_();_nop_();D

3、CLK=1;_nop_();_nop_();_nop_();_nop_();for(i=0;ii);DCLK=1;_nop_();_nop_();CE=1;/closetransferreturnback_up;voidmain()unsignedlonginttemp=0;unsignedlongintad=0;unsignedcharwa=0,qi=0,ba=0,sh=0,ge=0;LCD_init();LCD_cls();init();ad=readADS();LCD_write_string(0,0,ADS7816TEST:);while(1)delay(100);led=0;dela

4、y(100);led=1;delay(100);ad=readADS();wa=ad/10000;qi=ad%10000/1000;ba=ad%10000%1000/100;sh=ad%10000%1000%100/10;ge=ad%10000%1000%100%10/1;LCD_write_char(0,1,displaywa);/顯示二進(jìn)制對(duì)于十進(jìn)制LCD_write_char(1,1,displayqi);LCD_write_char(2,1,displayba);LCD_write_char(3,1,displaysh);LCD_write_char(4,1,displayge);te

5、mp=ad*1221;LCD_write_char(6,1,displaytemp/1000000);LCD_write_char(7,1,.);LCD_write_char(8,1,displaytemp%1000000/100000);LCD_write_char(9,1,displaytemp%1000000%100000/10000);LCD_write_char(10,1,displaytemp%1000000%100000%10000/1000);LCD_write_char(11,1,displaytemp%1000000%100000%10000%1000/100);LCD_w

6、rite_char(12,1,displaytemp%1000000%100000%10000%1000%100/10);LCD_write_char(13,1,displaytemp%1000000%100000%10000%1000%100%10/1);LCD_write_char(14,1,);LCD_write_char(15,1,V);2子函數(shù)1602sbitLCD_DB4=P0A4;sbitLCD_DB5=卩0人5;sbitLCD_DB6=P0A6;sbitLCD_DB7=P0A7;/四線數(shù)據(jù)傳輸sbitLCD1602_RS=P2A0;sbitLCD1602_RW=P3A7;實(shí)際上

7、沒(méi)有讀LCM,RW腳可以直接接地sbitLCD1602_EN=P3A6;voidLCD_write_char(unsignedx,unsignedchary,unsignedchardat);/在指定位置顯示字符voidLCD_write_string(unsignedcharX,unsignedcharY,unsignedchar*s);在扌旨定位置顯示字符串voidLCD_cls(void);清屏voidLCD_en_command(unsignedcharcommand);voidLCD_en_dat(unsignedchartemp);voidLCD_set_xy(unsignedch

8、arx,unsignedchary);voidLCD_init(void);voidSET_LCD(unsignedcharIO_temp);voiddelayms(unsignedcharms);voidlcddelay(void);unsignedcharLCDIO;voidLCD_cls(void)LCD_en_command(0 x01);/清屏旨令delayms(2);voidLCD_en_command(unsignedcharcommand)/旨令使能LCD1602_RS=0;/命令選擇開(kāi)啟LCD1602_RW=0;/寫(xiě)入模式LCD1602_EN=0;/使能初始LCDIO=(co

9、mmand&OxfO);/寫(xiě)入高四位數(shù)據(jù)命令開(kāi)啟SET_LCD(LCDIO);LCD1602_EN=1;lcddelay();LCD1602_EN=0;/關(guān)閉使能LCDIO=(command&0 x0f)4;/寫(xiě)入低四位數(shù)據(jù)命令開(kāi)啟，送至高四位寫(xiě)入SET_LCD(LCDIO);LCD1602_EN=1;lcddelay();LCD1602_EN=0;voidSET_LCD(unsignedcharIO_temp)/四位I/O口定義LCD_DB7=IO_temp&0 x80;LCD_DB6=IO_temp&0 x40;LCD_DB5=IO_temp&0 x20;LCD_DB4=IO_temp&0

10、 x10;voidLCD_en_dat(unsignedchardat)/數(shù)據(jù)寫(xiě)入驅(qū)動(dòng)LCD1602_RS=1;LCD1602_RW=0;LCD1602_EN=0;LCDIO=(dat&0 xf0);SET_LCD(LCDIO);LCD1602_EN=1;lcddelay();LCD1602_EN=0;LCDIO=(dat&0 x0f)4;SET_LCD(LCDIO);LCD1602_EN=1;lcddelay();LCD1602_EN=0;voidLCD_set_xy(unsignedcharx,unsignedchary)/行選擇unsignedcharaddress;if(y=0)add

11、ress=0 x80+x;elseaddress=0 xC0+x;/字符寫(xiě)入/字符串寫(xiě)入LCD_en_command(address);voidLCD_write_char(unsignedcharx,unsignedchary,unsignedchardat)LCD_set_xy(x,y);LCD_en_dat(dat);voidLCD_write_string(unsignedcharX,unsignedcharY,unsignedchar*s)LCD_set_xy(X,Y);/setaddresswhile(*s)/writecharacterLCDIO=*s;SET_LCD(LCDIO);LCD_en_dat(*s);s+;voidLCD_init(void)/1602初始化LCD_en_command(0 x33);delayms(20);LCD_en_command(0 x32);delayms(20);LCD_en_command(0 x08);delayms(5);LCD_en_command(0 x01);delayms(5