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Ti大牛们!想请教下几个问题:
一、ADS1293的脱落检测我这样配置寄存器是否正确:
TI_ADS1293_SPIWriteReg(0x06,0x00);//配置为直流导联检测
TI_ADS1293_SPIWriteReg(0x07,0x07);//配置PIN1,2,3 ,1和2为I导联,3为RLD;
TI_ADS1293_SPIWriteReg(0x08,0x05);//配置电流05
TI_ADS1293_SPIWriteReg(0x2A,0xf7);//配置MASK_ERR 只要LEADOFF
二、配置了LOD错误信号关联ALARMB Pin,是否要去读ERROR_LOD 才会清除错误状态。
现在就是脱落了ALARMB Pin产生低电平,不去读ERROR_LOD 寄存器他就一直是低电平,带上心电极也是低电平。
三、开了TI_ADS1293_SPIWriteReg(0x08,0x05);//配置电流后会影响到采样的波形。
增加 TI_ADS1293_SPIWriteReg(0x08,0x05)后采样数据完全错乱,不加脱落检测无法工作,求解?
难道不可以一直检测是否脱落了么?