[讨论]

MSP430F149单片机采样怎么进不去中断？急急急！

2013-7-1 10:01:51 3436 单片机

0 下面是A1通道采样程序，跪求大神求解 #include #define Num_of_Results 8 float U1results[Num_of_Results]; static unsigned int index = 0; //时针初始化函数 void InitClock(void) { DCOCTL = DCO0 + DCO1 + DCO2; // Max DCO BCSCTL1 = RSEL0 + RSEL1 + RSEL2; // XT2on, max RSEL BCSCTL2 \|= SELS; // SMCLK = XT2 } int_adc() { P6SEL \|= 0x02; P6DIR \|= 0x00;// Enable A/D channel inputs ADC12CTL0 = ADC12ON+MSC+SHT0_2+REF2_5V+REFON; // Turn on ADC12, extend sampling time // to avoid overflow of results ADC12CTL1 = SHS0+SHP+CONSEQ_2+CSTARTADD_1;// Use sampling timer, repeated sequence ADC12MCTL1=0x91; ADC12IE = 0x02; // Enable ADC12IFG.3 ADC12CTL0 \|= ENC; } void main() { WDTCTL = WDTPW+WDTHOLD; // Stop watchdog timer InitClock(); int_adc(); // Enable conversions ADC12CTL0 \|= ADC12SC; // Start conversion _BIS_SR(LPM0_bits + GIE); } #pragma vector=ADC_VECTOR __interrupt void ADC12ISR (void) { U1results[index] = ADC12MEM1; index++; if(index>=8) { index = 0; } ADC12CTL0 \|= ENC; } 0
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