1、#include msp430g2553.h#define uint unsigned int#define uchar unsigned char#define ulong unsigned longuint aver64=0;uchar flag=0;uchar zifu14=0123456789ux=z;uint maxaver=0;long dis=0;double max=0,maxr=0;#define SID BIT3#define SCLK BIT2#define LCDPORT P1OUT#define SID_1 LCDPORT |= SID#define SID_0 LC
2、DPORT &= SID#define SCLK_1 LCDPORT |= SCLK#define SCLK_0 LCDPORT &= SCLKvoid delay(unsigned char ms) unsigned char i,j; for(i=ms;i0;i-) for(j=120;j0;j-);/*名 称：LCD_Write_cmd()*功 能：写一个命令到LCD12864*入口参数：cmd:待写入的命令，无符号字节形式*出口参数：无*说 明：写入命令时，RW=0，RS=0 扩展成24位串行发送*格 式：11111 RW0 RS 0 xxxx0000 xxxx0000* |最高的字节
3、 |命令的bit74|命令的bit30|*/void write_cmd(uchar cmd) uchar i; uchar i_data; i_data=0xf8; SCLK_0; for(i=0;i8;i+) SID_0; if(i_data&0x80) SID_1 ; _delay_cycles(100); SCLK_0; SCLK_1; _delay_cycles(10); i_data=1; i_data=cmd; i_data&=0xf0; for(i=0;i8;i+) SID_0; if(i_data&0x80) SID_1 ; _delay_cycles(100); SCLK_
4、0; SCLK_1; _delay_cycles(10); i_data=1; i_data=cmd; i_data=4; for(i=0;i8;i+) SID_0; if(i_data&0x80) SID_1 ; _delay_cycles(100); SCLK_0; SCLK_1; _delay_cycles(10); i_data=1; _delay_cycles(100);/*名 称：LCD_Write_Byte()*功 能：向LCD12864写入一个字节数据*入口参数：byte:待写入的字符，无符号形式*出口参数：无*范 例：LCD_Write_Byte(F) /写入字符F*/voi
5、d write_dat(uchar dat) uchar i; uchar i_data; i_data=0xfa; SCLK_0; for(i=0;i8;i+) SID_0; if(i_data&0x80) SID_1 ; _delay_cycles(100); SCLK_0; SCLK_1; _delay_cycles(10); i_data=1; i_data=dat; i_data&=0xf0; for(i=0;i8;i+) SID_0; if(i_data&0x80) SID_1 ; i_data=1; _delay_cycles(100); SCLK_0; SCLK_1; _del
6、ay_cycles(10); i_data=dat; i_data=4; for(i=0;i8;i+) SID_0; if(i_data&0x80) SID_1 ; i_data=1; _delay_cycles(100); SCLK_0; SCLK_1; _delay_cycles(10); _delay_cycles(100);/*名 称：LCD_pos()*功 能：设置液晶的显示位置*入口参数：x:第几行，14对应第1行第4行* y:第几列，015对应第1列第16列*出口参数：无*范 例：LCD_pos(2,3) /第二行，第四列*/void lcd_pos(uchar x,uchar
7、y) uchar pos; switch(x) case 1:pos=0x80;break; case 2:pos=0x90;break; case 3:pos=0x88;break; case 4:pos=0x98;break; default:pos=0x80; pos += y; write_cmd(pos);void LCD_init(void) write_cmd(0x30); delay(5); write_cmd(0x0C); delay(5); write_cmd(0x01); delay(5); write_cmd(0x02); delay(5);void Sys_clock
8、_init(void) uint i=0; BCSCTL1 |= CALBC1_16MHZ; DCOCTL |= CALDCO_16MHZ; for(i=0;i65535;i+); BCSCTL2 |= SELM_0; BCSCTL2 |= DIVS_0;void AD_init(void) ADC10CTL0 = ADC10ON + ADC10IE +MSC + ADC10SHT_3; ADC10CTL1 |= CONSEQ_3 + INCH_1; ADC10AE0 |= BIT0+BIT1; ADC10DTC1 = 0x40;void IO_init(void) /P1REN |= BIT
9、0+BIT1; /P1OUT =0x00; /P1DIR |= BIT0+BIT1; /P1DIR |=BIT0+BIT1+BIT2+BIT3; P1DIR = 0x0C;void jisuan() uchar j; maxr=0; maxaver=0; for(j=0;jmaxaver & averj1024) maxaver=averj; maxr=(maxaver*3.56)/1023; max=maxr*10000; dis=max; lcd_pos(2,2); write_dat(zifudis/10000); write_dat(.); write_dat(zifudis/1000
10、%10); write_dat(zifudis/100%10); write_dat(zifudis/10%10); write_dat(zifudis%10); write_dat(V); maxr=0; maxaver=0; for(j=1;jmaxaver & averj1024) maxaver=averj; maxr=(maxaver*3.56)/1023; max=maxr*10000; dis=max; lcd_pos(4,2); write_dat(zifudis/10000); write_dat(.); write_dat(zifudis/1000%10); write_d
11、at(zifudis/100%10); write_dat(zifudis/10%10); write_dat(zifudis%10); write_dat(V);void main(void)WDTCTL = WDTPW + WDTHOLD;IO_init();LCD_init();delay(100);Sys_clock_init();lcd_pos(1,0);write_dat(zifu10);write_dat(zifu11);write_dat(zifu12);lcd_pos(3,0);write_dat(zifu10);write_dat(zifu13);write_dat(zifu12);AD_init();while(1) ADC10CTL0&=ENC; while(ADC10CTL1&ADC10BUSY); ADC10CTL0|=ENC+ADC10SC; ADC10SA=(unsigned int)aver; _bis_SR_register(LPM0_bits+GIE);/关闭cpu，开启中断
