【TB作品】MSP430F149，ADC采集，光强GY-30，DS18B20温度采集

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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

#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8MHZdo{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 timerClock_Init();LCD_init();initADC();_EINT();while (1){ADC12CTL0 |= ADC12SC;                     // Start conversionLPM0;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 clearedADCresults[1] = ADC12MEM1;             // Move A1 results, IFG is clearedLPM0_EXIT;
}

全部程序

https://docs.qq.com/sheet/DUEdqZ2lmbmR6UVdU?tab=BB08J2

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