高手帮我看一下这个可以作为信号采集函数么？

只看该作者 · 2012-5-28 23:27

#include "msp430x44x.h"
#include "Globle.h"
#include  "TI_CC_CC1100_MODULE.h"
#define VIN1  6
#define AVref       2.5
#define MID_POWER 1.42
#define HIGH_POWER 1.46
#define Idz 75          //电磁阀堵转电流
#define Idzl 48
float Vdcf;
unsigned int ADCresult;       //A0通道转换结果
unsigned int ADCresult1;    //A1通道转换结果
unsigned int ADCflag=0;       //ADC进中断标志
unsigned int ADC_CHANNEL=0; //ADC通道选择
float  Vbattery;          //电池剩余电量
float Vdcf;                //电磁阀驱动相关电压
unsigned int KEY_COUNT=0;    //按键次数
unsigned char  KEYflag;    //按键进中断标志
unsigned char battery_monitor(void);
void open_dcf(void);
void close_dcf(void);
void stop_dcf(void);
unsigned int  dcf_moniter(void);
void  adc_transfer( unsigned int bit,unsigned int INCH,unsigned int CSTARTADDx );
void  key_moniter(void);
void  key_inter_init(void);
unsigned int  checkkey(void);

void  adc_transfer( unsigned int bit,unsigned int INCH,unsigned int CSTARTADDx )
{
            unsigned int  i;
WDTCTL = WDTPW+WDTHOLD;                   // 停止看门狗定时器
P6SEL |= bit;          // 输入通道Ax
ADC12CTL0 = ADC12ON+REFON+REF2_5V+SHT0_4;    // 设置 ADC12,采样时间
ADC12CTL1 = SHP+CONSEQ_0+CSTARTADDx;             // 用采样定时器,转换模式

               //ADC12MCTL0 = INCH+SREF_0;                      // 选择参考电压AVcc
               if(bit == 0x01)
               {ADC12MCTL0 = INCH_0+SREF_1;}                      // 选择参考电压AVref
               else if(bit == 0x02)
               { ADC12MCTL1 = INCH_1+SREF_1;}

               ADC12IE = bit;                               // 使能ADC12IFG.x

                  ADC_CHANNEL = bit;


for (i=0; i<3600; i++)                   //延时等待参考稳定
{}


ADC12CTL0 |= ENC;                            //使能转换
_EINT();                                     // 全局中断使能


   ADC12CTL0 |= ADC12SC;                      // 开始转换
   //_BIS_SR(LPM0_bits);                      // 进入LPM0

  for( i=0; i<1000;i++ )
            {
      if( ADCflag == 1)
   {
   ADCflag = 0;
                                    //break;
   //_BIS_SR(LPM0_bits);

   }
               }

}
#pragma vector=ADC_VECTOR
__interrupt void ADC12ISR (void)
{
ADCflag = 1;
  if( ADC_CHANNEL == 1 )
            {
               ADCresult = ADC12MEM0;
               Vbattery = ((float)ADCresult*AVref)/4095;
            }                   // 读取结果
            else if(ADC_CHANNEL == 0x02)
            {
               ADCresult1 = ADC12MEM1;
            Vdcf = (ADCresult1*AVref)/4095;
            }
  //_BIC_SR_IRQ(LPM0_bits);                   // 清 LPM0 (退出低功耗模式0~~)
ADC12CTL0 &= ~ENC;
}

高手帮我看一下这个可以作为信号采集函数么？

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