// DRV2667 Register Constants
#define DRV2667_STATUS 0x00 // Status Register
#define DRV2667_CONTROL 0x01 // Control Register 1
#define DRV2667_CONTROL2 0x02 // Control Register 2
#define DRV2667_WAVSEQ0 0x03 // Waveform Sequence Register 0
#define DRV2667_WAVSEQ1 0x04 // Waveform Sequence Register 1
#define DRV2667_WAVSEQ2 0x05 // Waveform Sequence Register 2
#define DRV2667_WAVSEQ3 0x06 // Waveform Sequence Register 3
#define DRV2667_WAVSEQ4 0x07 // Waveform Sequence Register 4
#define DRV2667_WAVSEQ5 0x08 // Waveform Sequence Register 5
#define DRV2667_WAVSEQ6 0x09 // Waveform Sequence Register 6
#define DRV2667_WAVSEQ7 0x0A // Waveform Sequence Register 7
#define DRV2667_FIFO 0x0B // Beginning of FIFO
#define DRV2667_PAGE 0xFF // Page Select Register
// DRV2667 Register1 Constants
#define INPUT_MUX 0x04 // Input Mux Register
#define GAIN_50 0x00 // 50Vpp, 28.8dB
#define GAIN_100 0x01 // 100Vpp, 34.8dB
#define GAIN_150 0x02 // 150Vpp, 38.4dB
#define GAIN_200 0x03 // 200Vpp, 40.7dB
// DRV2667 Register2 Constants
#define STANDBY 0x40 // Standby Mode
#define EN_OVERRIDE 0x02 // Permanently enable DRV2667
#define GO 0x01 // Begin Waveform Sequence
#define STOP 0x00 // Stop waveform play back
// DRV2667 Registers
#define REG_0 0x00 // Register 0这个是官方给的demo里的寄存器定义，可是在datasheet里面我找不到任何关于寄存器的定义，请问寄存器都是在哪个文档里找到的，急求！！跪谢！！！
