4.13.2.c

来自「MSP430单片机的经典C语言例子」· C语言 代码 · 共 56 行

#include <msp430x14x.h>

unsigned int ADvalue[8];
void Init(void);

void main(void)
{
        WDTCTL  =  WDTPW+WDTHOLD;
        Init();
        _EINT();
        ADC12CTL0   |=ADC12SC;
        while(1);
}

void Init(void)
{
        BCSCTL1  &=~ 0X80;
        BCSCTL2  |=  0X88;
        TBCTL     =0X0216;
        TBCCR0    =20000;
        
        ADC12CTL0  &=~ENC;
        ADC12CTL0   = ADC12ON+MSH;
        ADC12CTL1   = CONSEQ_3+SHP;
        
        ADC12MCTL0  = 0X00;
        ADC12MCTL1  = 0X01; 
        ADC12MCTL2  = 0X02; 
        ADC12MCTL3  = 0X03; 
        ADC12MCTL4  = 0X04; 
        ADC12MCTL5  = 0X05; 
        ADC12MCTL6  = 0X06; 
        ADC12MCTL7  = 0X87; 
        
        ADC12IE     = 0X0000;
        ADC12CTL0  |= ENC; 
}

#pragma vector = TIMERB1_VECTOR
__interrupt void Timer_B0(void)
{
        if(TBIV==14)
        {
            ADC12CTL0   &=~ENC;
            ADvalue[0]   =ADC12MEM0;
            ADvalue[1]   =ADC12MEM1;
            ADvalue[2]   =ADC12MEM2;
            ADvalue[3]   =ADC12MEM3;
            ADvalue[4]   =ADC12MEM4;
            ADvalue[5]   =ADC12MEM5;
            ADvalue[6]   =ADC12MEM6;
            ADvalue[7]   =ADC12MEM7;
            ADC12CTL0   |=ENC+ADC12SC; 
        }

}