msp430 ADC多通道采集以及12864液晶显示以及串口发送.docx

1、msp430 ADC多通道采集以及12864液晶显示以及串口发送/ADC.H#ifndef _ADC_H#define _ADC_H#include #define uchar unsigned char#define uint unsigned intextern void Trans_val(uchar x,uchar y,uint Hex_Val); extern void ADC_Init();#endif/ADC.C#include #include USART0.h#includeADC.h#include lcd12864.h#define Num_of_Results 128s

2、tatic uint results0Num_of_Results; /保存ADC转换结果的数组static uint results1Num_of_Results; /保存ADC转换结果的数组 static uint results2Num_of_Results; /保存ADC转换结果的数组 static uint results3Num_of_Results; /保存ADC转换结果的数组 /ADC初始化void ADC_Init() P6SEL = 0x0F; / Enable A/D channel inputs ADC12CTL0 = ADC12ON+MSC+SHT0_2; / Tur

3、n on ADC12, set sampling time ADC12CTL1 = SHP+CONSEQ_1; / Use sampling timer, single sequence ADC12MCTL0 = INCH_0; / ref+=AVcc, channel = A0 ADC12MCTL1 = INCH_1; / ref+=AVcc, channel = A1 ADC12MCTL2 = INCH_2; / ref+=AVcc, channel = A2 ADC12MCTL3 = INCH_3+EOS; / ref+=AVcc, channel = A3, end seq. ADC1

4、2IE = 0x08; / Enable ADC12IFG.3 ADC12CTL0 |= ENC; / Enable conversions /*函数名称：Trans_val功 能：将16进制ADC转换数据变换成三位10进制 真实的模拟电压数据，并在液晶上显示参 数：Hex_Val-16进制数据 n-变换时的分母等于2的n次方 返回值 ：无*/void Trans_val(uchar x,uchar y,uint Hex_Val) unsigned long caltmp; uint Curr_Volt; caltmp = Hex_Val; caltmp = (caltmp 5) + Hex_

5、Val; /caltmp = Hex_Val * 33 caltmp = (caltmp 3) + (caltmp 12; /Curr_Volt = caltmp / 2n Display_Value(x,y,Curr_Volt);/*函数名称：ADC12ISR功 能：ADC中断服务函数，在这里用多次平均的 计算P6.0口的模拟电压数值参 数：无 返回值 ：无*/#pragma vector=ADC_VECTOR_interrupt void ADC12ISR (void) static uint index = 0; results0index+ = ADC12MEM0; / Move re

6、sults results1index+ = ADC12MEM1; / Move results results2index+ = ADC12MEM2; / Move results results3index+ = ADC12MEM3; / Move results if(index = Num_of_Results) uchar i; unsigned long sum0=0,sum1=0,sum2=0,sum3=0; index = 0; for(i = 0; i = 5; /除以32 sum1 = 5; /除以32 sum2 = 5; /除以32 sum3 = 5; /除以32 Dis

7、play_Num(3,1,sum0); Display_Num(3,2,sum1); Display_Num(3,3,sum2); Display_Num(3,4,sum3); Trans_val(5,1,sum0); Trans_val(5,2,sum1); Trans_val(5,3,sum2); Trans_val(5,4,sum3); _BIC_SR_IRQ(LPM0_bits); / Clear LPM0, SET BREAKPOINT HERE /USART.C#include USART0.h/以下是串口0的初始化设置void Usart0_Init() P3SEL |= 0x3

8、0; / P3.4,5选择为UART收发端口 ME1 |= UTXE0 + URXE0; / 使能USART0收发 UCTL0 |= CHAR; / 8-bit character UTCTL0 |= SSEL0; / UCLK = ACLK UBR00 = 0x0D; / 32k/2400 - 13.65 UBR10 = 0x00; / UMCTL0 = 0x6B; / Modulation UCTL0 &= SWRST; / 初始化UART0状态机 IE1 |= URXIE0; / 使能接收中断 /此函数用来发送一个char型void SentData(uchar num) while (

9、!(IFG1 & UTXIFG0); TXBUF0 = num; /此函数用来把14位十进制数据转化为ASCII编码的形式发送给上位机void Sent_Num(uint num) uchar ge,shi,bai,qian; qian = num/1000; bai = num/100 %10; shi = num/10%10; ge = num%10; SentData(qian+0x30); SentData(bai+0x30); SentData(shi+0x30); SentData(ge+0x30); / SentData(n); /*函数名称：PutSting功 能：向PC机发送

10、字符串参 数：无返回值 ：无*/void PutString(uchar *ptr) while(*ptr != 0) while (!(IFG1 & UTXIFG0); / TX缓存空闲？ TXBUF0 = *ptr+; / 发送数据 while (!(IFG1 & UTXIFG0); TXBUF0 = n;/*函数名称：Delays功 能：延时一会参 数：无返回值 ：无*/void Delays(void) uchar i=20; uint j; while(i-) j=2000; while(j-); /串口中断响应函数#pragma vector=UART0RX_VECTOR_inte

11、rrupt void usart0_rx (void) if(49=RXBUF0) _BIC_SR_IRQ(LPM0_bits); / Clear LPM0, SET BREAKPOINT HERE if(50=RXBUF0) ADC12IE = 0x00; / 关闭ADC /USART.H#ifndef _USART0_H#define _USART0_H#include #define uchar unsigned char#define uint unsigned intextern void Usart0_Init();extern void SentData(uchar num);e

12、xtern void PutString(uchar *ptr);extern void Delays(void);extern void Sent_Num(uint num);#endif/LCD12864.H#ifndef _LCD12864_H#define _LCD12864_H#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*(do

13、uble)x/1000.0) #define uchar unsigned char#define uint unsigned 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_INIT 0x02 /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移动方向（默认游标右移，图像整体不动）#define FUN_MODE 0x30 /工作模式：8位基本指令集#define DISPLAY_ON

14、0x0c /显示开,不显示游标，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 P10 0#define P11 1#define P12 2#define P13 3#define P14 4#define P15 5#define P16 6#define P17 7#define RS_CLR P6OUT &= (1 P17) /RS置低#define

15、RS_SET P6OUT |= (1 P17) /RS置高#define RW_CLR P6OUT &= (1 P15) /RW置低#define RW_SET P6OUT |= (1 P15) /RW置高#define EN_CLR P6OUT &= (1 P16) /E置低#define EN_SET P6OUT |= (1 P16) /E置高#define PSB_CLR P1OUT &= (1 P13) /PSB置低，串口方式#define PSB_SET P1OUT |= (1 P13) /PSB置高，并口方式#define RST_CLR P1OUT &= (1 P13) /RST

16、置低#define RST_SET P1OUT |= (1 P10) /RST置高#define DataPort P5OUT /P5口为数据口extern void Port_init();extern void LCD_write_com(unsigned char com);extern void LCD_write_data(unsigned char data);extern void LCD_clear(void);extern void DisplayCgrom(uchar addr,uchar *hz);extern void Display(void);extern void

17、 LCD_init(void); extern void Display_Num(uchar x,uchar y,uint num);extern void Locate_XY(uchar x,uchar y);extern void Display_Value(uchar x,uchar y,uint value);#endif/LCD12864.C#include lcd12864.h/*/ 初始化IO口子程序/*void Port_init() P5SEL = 0x00; P5DIR = 0xFF; P6SEL = 0x00; P6DIR|= BIT5 + BIT6 + BIT7 ; P

18、1SEL = 0x00; P1DIR|= BIT0 + BIT3 ; 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;/

19、*/ 显示屏清空显示/*void LCD_clear(void) LCD_write_com(0x01); delay_ms(5);/*/ 坐标定位/*void Locate_XY(uchar x,uchar y) uchar adress=0; adress = x; switch(y) case 1:adress |= 0x80;break; case 2:adress |= 0x90;break; case 3:adress |= 0x88;break; case 4:adress |= 0x98;break; default : adress = 0x80; LCD_write_com

20、(adress); /*/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); /*/函数名称：Display()显示测试结果/*void Display(void) DisplayCgrom(0x80,通道0:); DisplayCgrom(0x90,通道1:); DisplayCgrom(0x88,通道2:);

21、 DisplayCgrom(0x98,通道3:); DisplayCgrom(0x80+7, V); DisplayCgrom(0x90+7, V); DisplayCgrom(0x88+7, V); DisplayCgrom(0x98+7, V);/*/函数名称：Display_Num显示一个uint型数据/*void Display_Num(uchar x,uchar y,uint num) uchar ge,shi,bai,qian; qian = num/1000; bai = num/100 %10; shi = num/10%10; ge = num%10; Locate_XY(x

22、,y); LCD_write_data(qian+0x30); LCD_write_data(bai+0x30); LCD_write_data(shi+0x30); LCD_write_data(ge+0x30); /*/函数名称：显示处理后电压值/*void Display_Value(uchar x,uchar y,uint value) uchar ge,shi,bai; bai = value/100 %10; shi = value/10%10; ge = value%10; Locate_XY(x,y); LCD_write_data( ); LCD_write_data(bai

23、+0x30); LCD_write_data(.); LCD_write_data(shi+0x30); LCD_write_data(ge+0x30); /*/ 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);/MAIN.C#include #includeADC.h#include