基于MSP430F149的多通道ADC采样与12864显示.doc

/*/ADC12序列通道与D12864液晶模块显示程序/*#include #define CPU_F (double)8000000)#define delay_us(x) _delay_cycles(long)(CPU_F*(double)x/1000000.0)#define delay_ms(x) _delay_cycles(long)(CPU_F*(double)x/1000.0)#define uchar unsigned char#define uintunsigned int#define ulong unsigned long/*12864应用指令*/#define CLEAR_SCREEN 0x01 /清屏指令：清屏且AC值为00H#define AC_INIT0x02 /将AC设置为00H。且游标移到原点位置#define CURSE_ADD 0x06 /设定游标移到方向及图像整体右移，#define FUN_MODE 0x30 /工作模式：8位基本指令集#define DISPLAY_ON 0x0c /显示开,显示游标，且游标位置反白#define DISPLAY_OFF 0x08 /显示关#define CURSE_DIR 0x14 /游标向右移动:AC=AC+1#define SET_CG_AC 0x40 /设置AC，范围为：00H3FH#define SET_DD_AC 0x80#define P50 0#define P51 1#define P55 5#define P56 6#define P57 7#define RS_CLR P5OUT &= (1 P55) /RS置低#define RS_SET P5OUT |= (1 P55) /RS置高#define RW_CLR P5OUT &= (1 P56) /RW置低#define RW_SET P5OUT |= (1 P56) /RW置高#define EN_CLR P5OUT &= (1 P57) /E置低#define EN_SET P5OUT |= (1 P57) /E置高#define PSB_CLR P5OUT &= (1 P50) /PSB置低，串口方式#define PSB_SET P5OUT |= (1 P50) /PSB置高，并口方式#define RST_CLR P5OUT &= (1 P51) /RST置低#define RST_SET P5OUT |= (1 P51) /RST置高#define DataPort P4OUT /P4口为数据口uint Results32; /存放ADC的结果uchar shuzi = 0123456789.V;uchar ptr6;uint Average;uint Temp;ulong caltmp4;/*/ 系统时钟初始化/*void Clock_Init()uchar i;BCSCTL1&=XT2OFF; /打开XT振荡器BCSCTL2|=SELM1+SELS; /MCLK为8MHZ，SMCLK为8MHZdo IFG1&=OFIFG; /清除震荡标志 for(i=0;i100;i+) _NOP(); /延时等待while(IFG1&OFIFG)!=0); /如果标志为1，则继续循环等待IFG1&=OFIFG;/*/ MSP430内部看门狗初始化/*void WDT_Init() WDTCTL = WDTPW + WDTHOLD; /关闭看门狗/*/ 初始化IO口子程序/*void Port_init()P4SEL = 0x00; P4DIR = 0xFF; P5SEL = 0x00; P5DIR|= BIT0 + BIT1 + BIT5 + BIT6 + BIT7; PSB_SET; /液晶并口方式RST_SET; /复位脚RST置高/*/ 显示屏命令写入函数/*void LCD_write_com(unsigned char com)RS_CLR;RW_CLR;EN_SET;DataPort = com;delay_ms(5);EN_CLR;/*/ 显示屏数据写入函数/*void LCD_write_data(unsigned char data)RS_SET;RW_CLR;EN_SET;DataPort = data;delay_ms(5);EN_CLR;/*/ 显示屏清空显示/*void LCD_clear(void)LCD_write_com(0x01);delay_ms(5);/*/函数名称：DisplayCgrom(uchar hz)显示CGROM里的汉字/*void DisplayCgrom(uchar addr,uchar *hz)LCD_write_com(addr); delay_ms(5);while(*hz != 0)LCD_write_data(*hz);hz+; delay_ms(5);/*/ 显示屏初始化函数/*void LCD_init(void)LCD_write_com(FUN_MODE); /显示模式设置delay_ms(5);LCD_write_com(FUN_MODE); /显示模式设置delay_ms(5); LCD_write_com(DISPLAY_ON); /显示开delay_ms(5); LCD_write_com(CLEAR_SCREEN); /清屏delay_ms(5);/*/*/*打开ADC*/void ADC12(void)P6SEL |=0X0f;/使能ADC通道ADC12CTL0=ADC12ON+SHT0_15+MSC;/打开ADC,设置采样时间，多次转换ADC12CTL1=SHP+CONSEQ_3;/使用采样定时器;多通道转换ADC12MCTL0 |=INCH_0;/通道选择ADC12MCTL1 |=INCH_1;ADC12MCTL2 |=INCH_2;ADC12MCTL3 |=INCH_10+EOS;/以EOS结束此次转换ADC12IE=0X0F;/使能ADC中断ADC12CTL0 |=ENC+ADC12SC;/使能转换;开始转换 _EINT();/*ADC中断服务函数，各个通道转换值的存储*/#pragma vector=ADC_VECTOR_interrupt void ADC12ISR(void) caltmp0=ADC12MEM0; caltmp1=ADC12MEM1; caltmp2=ADC12MEM2; caltmp3=ADC12MEM3; /*void xian_shi(void) int i,j,k,l; Temp=(caltmp0*3300)/4095;/计算十进制的电压值 ptr0=Temp/1000; ptr2=Temp%1000/100; ptr3=Temp%100/10; ptr4=Temp%10; ptr5=11; ptr1=10; LCD_write_com(0x80); DisplayCgrom(0x80,一通道电压); for(i=0;i6;i+) delay_ms(10); LCD_write_data(shuziptr); Temp=(caltmp1*3300)/4095; ptr0=Temp/1000; ptr2=Temp%1000/100; ptr3=Temp%100/10; ptr4=Temp%10; ptr5=11; ptr1=10; LCD_write_com(0x90); DisplayCgrom(0x90,二通道电压); for(j=0;j6;j+) delay_ms(10); LCD_write_data(shuziptrj); Temp=(caltmp2*3300)/4095; ptr0=Temp/1000; ptr2=Temp%1000/100; ptr3=Temp%100/10; ptr4=Temp%10; ptr5=11; ptr1=10; LCD_write_com(0x88); DisplayCgrom(0x88,三通道电压); for(k=0;k6;k+) delay_ms(10); LCD_write_data(shuziptrk); Temp=(caltmp3*3300)/4095; ptr0=Temp/1000; ptr2=Temp%1000/100; ptr3=Temp%100/10; ptr4=Temp%10; ptr5=11; ptr1=10; LCD_write_com(0x98); DisplayCgrom(0x98,四通道电压); for(l=0;l6;l+) delay_ms(10); LCD_write_data(shuziptrl); /*/ 主程序/*void main(vo