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1、1芯片源程序#include p18f452.h#include delays.h#include stdlib.h#include adc.h#define LCD_RS PORTDbits.RD4#define LCD_RW PORTDbits.RD5#define LCD_E PORTAbits.RA2#define LCD_DATA LATD#define DIR_LCD_DATA TRISD#define IIC_SDA PORTCbits.RC4#define IIC_SCL PORTCbits.RC3#define BZ1 PORTCbits.RC2unsigned char i
2、,AA=0;unsigned char j,FLAG_1=0,k1;unsigned char a;unsigned char b;unsigned char Temp_CMD ;unsigned int result,v,y,y1,y2,k,k2;unsigned char H,H1,L1,M,L,H2,L2,H3,L3,T;unsigned char x;unsigned char DATA_RE=0,i1=0,j1=0,i2=0;unionstructunsigned Timeout:1; /flag to indicate a TMR0 timeoutunsigned None:7;
3、Bit;unsigned char Byte; Flags;void ad_init(void);void LCD_init(void);void LCD_CMD_W_Timing( void );void LCD_DAT_W_Timing( void );void LCD_L_Delay(void);void LCD_S_Delay(void);void WriteCmdLCD( unsigned char LCD_CMD);void WriteDataLCD( unsigned char LCD_CMD);void IIC_START(void);void IIC_STOP(void);2
4、void IIC_WR(char WDATA);void wen(void);/void wen1(void);char IIC_ACK(void);char IIC_RE(void);char SENSOR=0;unsigned int tem41=0x0000,0x0028,0x004f,0x0077,0x009f,0x00c7,0x00ef,0x0117,0x013f,0x0167,0x018d,0x01b5,0x01dd,0x0205,0x022d,0x0255,0x027d,0x02a5,0x02cd,0x02f5,0x031e,0x0346,0x036f,0x0397,0x03bf
5、,0x03e7,0x040f,0x0438,0x0460,0x0489,0x04b3,0x04db,0x0504,0x052c,0x0554,0x057d,0x05a5,0x05ce,0x05f6,0x061e,0x064b;/040duchar IIC_ADD8=0X80,0X40,0X20,0X10,0X08,0X04,0X02,0X01;unsigned int vol31=0x0000,0x018d,0x031e,0x04b3,0x064b,0x07e6,0x0984,0x0b22,0x0cc2,0x0e61,0x0fff,0x119c,0x1337,0x14cf,0x1665,0x1
6、7f9,0x198b,0x1b1b,0x1caa,0x1e39,0x1fc9,0x2159,0x22ea,0x247d,0x2611,0x27a7,0x2940,0x2ad9,0x2c75,0x2e11,0x2faf;unsigned char NUM9=0x45,0x30,0x36,0x36,0x31,0x30,0x31,0x33,0x31;unsigned char NAME3=0x42,0x43,0x51;void main(void) LCD_init();WriteCmdLCD(0x80);for(a=0;a=volk)k=k+1; k-;k1=(y2-volk)/(volk+1-v
7、olk)/10);k2=k*10+k1;LCD_L_Delay();LCD_L_Delay();LCD_L_Delay();/LCD_init();TRISA=0x00;H1=k2/100+0x30;WriteCmdLCD(0xc0);WriteDataLCD(H1);M=k2%100/10+0x30;WriteCmdLCD(0xc1);WriteDataLCD(M);L1=k2%100%10+0x30;WriteCmdLCD(0xc2);WriteDataLCD(L1);void ad_init(void)/ configure A/D convertorTRISA=0XFF;OpenADC
8、( ADC_FOSC_32 & ADC_RIGHT_JUST & ADC_8ANA_0REF,ADC_CH0 & ADC_INT_OFF );Delay10TCYx( 10 ); / Delay for 50TCYConvertADC(); / Start conversionwhile( BusyADC() ); / Wait for completionresult = ReadADC(); / Read resultCloseADC(); / Disable A/D converterNop()void wen(void)IIC_START();IIC_WR(0X9E);IIC_ACK(
9、);IIC_WR(0X00);IIC_ACK();IIC_START();IIC_WR(0X9F);4IIC_ACK();SENSOR=IIC_RE();IIC_STOP();H=SENSOR/10+0x30;WriteCmdLCD(0xc5);WriteDataLCD(H);L=SENSOR%10+0x30;WriteCmdLCD(0xc6);WriteDataLCD(L);H1=k2/100+0x30;void IIC_START(void) /*IIC START FUNCTION*/TRISC=0Xc0;IIC_SCL=0;IIC_SDA=1;IIC_SCL=1;IIC_SDA=0;
10、/*A HIGH TO LOW TRANSITION OF THE SDA LINE WHEN THE SCL LINE IS AT HIGH LEVEL*/IIC_SCL=0;void IIC_STOP(void) /*IIC STOP FUNCTION*/TRISC=0Xc0;IIC_SCL=0;IIC_SDA=0;IIC_SCL=1;IIC_SDA=1; /*A LOW TO HIGH TRANSITION OF THE SDA LINE WHEN THE SCL LINE IS AT HIGH LEVEL*/IIC_SCL=0;void IIC_WR(char WDATA) /*WRI
11、TE A BYTE TO 24C01 FUNCTION */char i;TRISC=0Xc0;for(i=0;i4 ;LCD_DATA= (LCD_DATA LCD_CMD_W_Timing () ;Temp_CMD = LCD_CMD LCD_DATA= (LCD_DATA LCD_CMD_W_Timing () ;LCD_S_Delay() ;void WriteDataLCD( unsigned char LCD_CMD)Temp_CMD = (LCD_CMD LCD_DATA= (LCD_DATA LCD_DAT_W_Timing () ;Temp_CMD = LCD_CMD LCD
12、_DATA= (LCD_DATA LCD_DAT_W_Timing () ;LCD_S_Delay() ;void LCD_CMD_W_Timing( void )LCD_RS = 0 ;Nop();Nop();Nop();LCD_RW = 0 ;Nop();Nop();Nop();LCD_E = 1 ;Nop();Nop();Nop();LCD_E = 0 ;void LCD_DAT_W_Timing( void )7LCD_RS = 1 ;Nop();Nop();Nop();LCD_RW = 0 ;Nop();Nop();Nop();LCD_E = 1 ;Nop();Nop();Nop();LCD_E = 0 ;void LCD_L_Delay(void)Delay10KTCYx(8);void LCD_S_Delay(void)Delay100TCYx( 16 );
