msp430单片机adc10的驱动程序，可读内部温度传感器温度

#include "msp430g2553.h" #include "adc.h" unsigned int ADC_getValue(unsigned int channel) { unsigned int value; if(channel > 12) return 0; ADC10CTL0 &= ~ENC; if(CH_TSR == channel) { ADC10CTL0 = ADC10ON + ADC10SHT_3 + REFON + SREF_1 + ADC10IE; //采样保持时间为8*ADC10CLKs，VR+=1.5V ADC10CTL1 |= INCH_10 + ADC10SSEL_0 + CONSEQ_0; //选择ACLK作为温度采样时钟源，进行单通道单次转换 } else { ADC10CTL0 = ADC10ON + ADC10SHT_1 + ADC10IE; //VR+=VCC,VR-=VSS ADC10CTL1 |=((channel << 12)& 0xf000)+ADC10SSEL_0+CONSEQ_0; //选择ADC10OSC作为时钟源，进行单通道单次转换 } if(channel < 8) ADC10AE0 |= channel; //通道1模拟输入使能 ADC10CTL0 |=ENC+ADC10SC; //使能转换和起动转换 LPM3; value = ADC10MEM & 0x03ff; ADC10CTL0 &= ~ENC; return value; } #pragma vector = ADC10_VECTOR __interrupt void ADC10_ISR() { LPM3_EXIT; ADC10CTL0 &= ~ADC10IFG; }