我想使用 ADS1298来采集心电图,当我使用ADS1298从模拟器收集信号时,我发现信号不正常。我上传原理图和寄存器配置。我有两个问题需要工程师确认。 1.帮助确认寄存器是否正确配置。2.帮助确认未使用的通道是否需要接地或需要连接到WCT,我们是否将未使用的通道连接到地面将影响信号采集。 谢谢。
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您好Ryan:
感谢您的回答。
测试仿真器的寄存器配置:
SPIWriteReg (&SpiHandle,0x43,0xDC);
SPIWriteReg (&SpiHandle,0x41,0x86);//
SPIWriteReg (&SpiHandle,0x42,0x00);//
SPIWriteReg (&SpiHandle,0x44,0x03);//
SPIWriteReg (&SpiHandle,0x45,0x10);//
SPIWriteReg (&SpiHandle,0x46,0x10);//
SPIWriteReg (&SpiHandle,0x47,0x10);//
SPIWriteReg (&SpiHandle,0x48,0x10);//
SPIWriteReg (&SpiHandle,0x49,0x10);//
SPIWriteReg (&SpiHandle,0x4A,0x10);//
SPIWriteReg (&SpiHandle,0x4B,0x10);//
SPIWriteReg (&SpiHandle,0x4C,0x10);//
SPIWriteReg (&SpiHandle,0x4D,0x00);//
SPIWriteReg (&SpiHandle,0x4E,0x00);//
SPIWriteReg (&SpiHandle,0x4F,0xFF);//
SPIWriteReg (&SpiHandle,0x50,0x02);//
SPIWriteReg (&SpiHandle,0x51,0x00);//
SPIWriteReg (&SpiHandle,0x54,0x0F);//
SPIWriteReg (&SpiHandle,0x55,0x00);//
SPIWriteReg (&SpiHandle,0x56,0x00);//
SPIWriteReg (&SpiHandle,0x57,0x22);//
SPIWriteReg (&SpiHandle,0x58,0x0B);//
SPIWriteReg (&SpiHandle,0x59,0xD4);//