[color=#ff0000]这里是一个四路ADC转换的例程，希望对你有帮助。如有其它需要，QQ:269455818.[/color]#include <msp430x14x.h>
#define uint unsigned int
#define uchar unsigned char
uint results0; //定义A0转换结果数组
uint results1; //定义A1转换结果数组
uint results2; //定义A2转换结果数组
uint results3; //定义A3转换结果数组
void int_clk()
{
uchar i;
BCSCTL1&=~XT2OFF; //打开XT振荡器
BCSCTL2|=SELM1+SELS;//MCLK 8M and SMCLK 1M
do
{
IFG1 &= ~OFIFG; //清除振荡错误标志
for(i = 0; i < 100; i++)
_NOP(); //延时等待
}
while ((IFG1 & OFIFG) != 0); //如果标志为1继续循环等待
IFG1&=~OFIFG;
}
void int_adc()
{
P6SEL |= 0x0F; //选择AD通道
ADC12CTL0 = ADC12ON+MSC+SHT0_2+REF2_5V; //采样保持时间为16个ADC12CLK
//参考电压选择2.5V
ADC12CTL1 =SHP+CONSEQ_3; // SAMPCON信号采用时序电路产生
//多通道多次转换模式
ADC12MCTL0 = INCH_0; // ref+=AVcc, channel = A0
ADC12MCTL1 = INCH_1; // ref+=AVcc, channel = A1
ADC12MCTL2 = INCH_2; // ref+=AVcc, channel = A2
ADC12MCTL3 = INCH_3+EOS; // ref+=AVcc, channel = A3, 结束转换通道选择.
ADC12IE |= 0x08; // 使能转换中断
ADC12CTL0 |= ENC; // 使能AD转换器
}
#pragma vector=ADC_VECTOR
__interrupt void ADC12ISR (void)
{
results0 = ADC12MEM0; // 读转A0换值
results1 = ADC12MEM1; // 读转A0换值
results2 = ADC12MEM2; // 读转A0换值
results3 = ADC12MEM3; // 读转A0换值
}
void main(void)
{
WDTCTL = WDTPW+WDTHOLD; // 停止看门狗
int_clk();
int_adc();
_EINT();
ADC12CTL0 |= ADC12SC; // 开启转换
while(1);
}