功能

读取了GY-30 DS18B20 P6.0ADC P6.1ADC

显示到了LCD12864

硬件

//GY30

//SCL--P1.0

//SDA--P1.1

//VCC--3.3V

//GND--GND

//ADDR--不接

//DS18B20

//DATA--P1.6

//VCC--3.3V

//GND--GND

//ADC

//DATA--P1.6

//P6.0 P6.1 ADC输入口

部分程序

cpp
展开代码
#include <msp430.h> 
#include "lcd12864.h"
#include "gy30.h"
unsigned int temp_value = 0; /* 温度 */
unsigned int ADCresults[2];  //ADC结果
unsigned char dis[15];  //显示数组
float lx;  //光强
//***********************************************************************
//                   系统时钟初始化，外部8M晶振
//***********************************************************************
void Clock_Init(void)
{
    unsigned char i;
    BCSCTL1 &= ~XT2OFF;                 //打开XT2振荡器
    BCSCTL2 |= SELM1 + SELS;              //MCLK为8MHZ，SMCLK为8MHZ
    do
    {
        IFG1 &= ~OFIFG;                   //清楚振荡器错误标志
        for (i = 0; i < 100; i++)
            _NOP();
    }
    while ((IFG1 & OFIFG) != 0);           //如果标志位1，则继续循环等待
    IFG1 &= ~OFIFG;
}
void main(void)
{
    WDTCTL = WDTPW | WDTHOLD;   // stop watchdog timer
    Clock_Init();
    LCD_init();
    initADC();
    _EINT();
    while (1)
    {
        ADC12CTL0 |= ADC12SC;                     // Start conversion
        LPM0;
        temp_value = get_one_temperature(); //读取温度
        dis[0] = temp_value % 1000 / 100 + '0';
        dis[1] = temp_value % 100 / 10 + '0';
        dis[2] = '.';
        dis[3] = temp_value % 10 + '0';
        dis[4] = 'C';
        dis[5] = 0;
        DisplayCgrom(0x80, dis);    //第一行显示
        lx = get_lightpower(); //读取光强
        dis[0] = (int) lx % 100000 / 10000 + '0';
        dis[1] = (int) lx % 10000 / 1000 + '0';
        dis[2] = (int) lx % 1000 / 100 + '0';
        dis[3] = (int) lx % 100 / 10 + '0';
        dis[4] = (int) lx % 10 + '0';
        dis[5] = 'L';
        dis[6] = 'x';
        dis[7] = 0;
        DisplayCgrom(0x90, dis);    //第2行显示
        dis[0] = 'A';
        dis[1] = 'D';
        dis[2] = '0';
        dis[3] = ':';
        dis[4] = (int) ADCresults[0] % 10000 / 1000 + '0';
        dis[5] = (int) ADCresults[0] % 1000 / 100 + '0';
        dis[6] = (int) ADCresults[0] % 100 / 10 + '0';
        dis[7] = (int) ADCresults[0] % 10 + '0';
        dis[8] = 0;
        DisplayCgrom(0x88, dis);    //第3行显示
        dis[0] = 'A';
        dis[1] = 'D';
        dis[2] = '1';
        dis[3] = ':';
        dis[4] = (int) ADCresults[1] % 10000 / 1000 + '0';
        dis[5] = (int) ADCresults[1] % 1000 / 100 + '0';
        dis[6] = (int) ADCresults[1] % 100 / 10 + '0';
        dis[7] = (int) ADCresults[1] % 10 + '0';
        dis[8] = 0;
        DisplayCgrom(0x98, dis);    //第4行显示
    }
}
#pragma vector=ADC12_VECTOR
__interrupt void ADC12ISR(void)
{
    ADCresults[0] = ADC12MEM0;             // Move A0 results, IFG is cleared
    ADCresults[1] = ADC12MEM1;             // Move A1 results, IFG is cleared
    LPM0_EXIT;
}

全部程序

cpp
展开代码
https://docs.qq.com/sheet/DUEdqZ2lmbmR6UVdU?tab=BB08J2