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#include <msp430f5529.h>
void main(void)
{
WDTCTL = WDTPW + WDTHOLD; // 關(guān)閉看門狗
ADC12CTL0 = ADC12SHT02 + ADC12ON; // 選擇采樣周期,打開ADC12模塊
ADC12CTL1 = ADC12SHP; // 使用采樣定時(shí)器作為采樣觸發(fā)信號(hào)
ADC12IE = 0x01; // 使能ADC采樣中斷
ADC12CTL0 |= ADC12ENC; // 置位ADC12ENC控制位
P6SEL |= 0x01; // 將P6.0引腳設(shè)為ADC輸入功能
P1DIR |= 0x01; // 將P1.0引腳設(shè)為輸出功能
while (1)
{
ADC12CTL0 |= ADC12SC; // 啟動(dòng)采樣轉(zhuǎn)換
__bis_SR_register(LPM0_bits + GIE); // 進(jìn)入LPM0并啟用全局中斷
}
}
#pragma vector = ADC12_VECTOR
__interrupt void ADC12_ISR(void)
{
switch(__even_in_range(ADC12IV,34))
{
case 0: break; // Vector 0: 無(wú)中斷
case 2: break; // Vector 2: ADC溢出中斷
case 4: break; // Vector 4: ADC轉(zhuǎn)換時(shí)間溢出中斷
case 6: // Vector 6: ADC12IFG0
if (ADC12MEM0 >= 0x3ff) // ADC12MEM = A0 > 0.未知AVcc?
P1OUT &= ~BIT0; // P1.0 = 1
else
P1OUT |= BIT0; // P1.0 = 0
case 8: break; // Vector 8: ADC12IFG1
case 10: break; // Vector 10: ADC12IFG2
case 12: break; // Vector 12: ADC12IFG3
case 14: break; // Vector 14: ADC12IFG4
case 16: break; // Vector 16: ADC12IFG5
case 18: break; // Vector 18: ADC12IFG6
case 20: break; // Vector 20: ADC12IFG7
case 22: break; // Vector 22: ADC12IFG8
case 24: break; // Vector 24: ADC12IFG9
case 26: break; // Vector 26: ADC12IFG10
case 28: break; // Vector 28: ADC12IFG11
case 30: break; // Vector 30: ADC12IFG12
case 32: break; // Vector 32: ADC12IFG13
case 34: break; // Vector 34: ADC12IFG14
default: break;
}
}
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