ad7793 smpl

#ifndef AD7793_h #define AD7793_h //#define SPI_EN_ASS void InitSPI(void); void wAD7793(uint8_t RegAdr,uint32_t RegData); void ResetAD7793(void); uint32_t rAD7793(uint8_t RegAdr); typedef struct { __I uint8_t len; // Register size (bits) __I uint8_t WR_RD; // Register mode (read/write) }REGISTER_TYPE; #define REG_RD 0 // Read-only Register #define REG_WR 1 // Write-only Register #define REG_RD_WR 2 // Read or Write Register // Communications Register #define WEN (1 <<7) #define RW (1 <<6) #define RS(x) ((x) <<3) // Register Address #define COMM_REG 0 #define STAT_REG 0 #define MODE_REG 1 #define CONF_REG 2 #define DATA_REG 3 #define ID_REG 4 #define IO_REG 5 #define OFFS_REG 6 #define FUL_SC_REG 7 #define ALL_REGS 8 #define CREAD (1 << 2) // Status Register #define RDY (1 <<7) #define ERR (1 <<6) #define CH(x) ((x) <<0) // Mode Register #define MD(x) ((x)<<13) // Operating Modes #define CONT_CONV 0 #define SINGLE_CONV 1 #define IDLE 2 #define POWER_DOWN 3 #define INT_ZERO_CAL 4 #define INT_FULL_CAL 5 #define SYS_ZERO_CAL 6 #define SYS_FULL_CAL 7 #define CLK(x) ((x) <<6) // ADC Clock Source #define INT_64KHZ_UNAV 0 #define INT_64KHZ_AV 1 #define EXT_64KHZ 2 #define EXT_DIV2 3 #define FS(x) ((x) <<0) // See AD7793 Datasheet (p16/17) // Configuration Register #define VBIAS(x) ((x) <<15) // Bias Voltage #define BIAS_GEN_DIS 0 #define BIAS_AIN1 1 #define BIAS_AIN2 2 #define BO (1 <<13) #define UB (1 <<12) #define BOOST (1 <<11) #define G(x) ((x) <<8) // Gain Select Bits #define GAIN_1 0 // (In-amp not used) 2.5V ADC Input Range (2.5V Ref) #define GAIN_2 1 // (In-amp not used) 1.25V ADC Input Range (2.5V Ref) #define GAIN_4 2 // 625mV ADC Input Range (2.5V Ref) #define GAIN_8 3 // 312.5mV ADC Input Range (2.5V Ref) #define GAIN_16 4 // 156.2mV ADC Input Range (2.5V Ref) #define GAIN_32 5 // 78.125mV ADC Input Range (2.5V Ref) #define GAIN_64 6 // 39.06mV ADC Input Range (2.5V Ref) #define GAIN_128 7 // 19.53mV ADC Input Range (2.5V Ref) #define REFSEL(x) ((x) <<7) // Reference Source #define EXT_REF 0 #define INT_REF 1 #define BUF (1 <<4) #define CH_SEL(x) ((x) <<0) // Channel Select Bits #define AIN1_POSNEG 0 #define AIN2 1 #define AIN3 2 #define AIN1_NEGNEG 3 #define TEMP_SEN 6 #define AVDD_MON 7 // IO Register #define IEXCDIR(x) ((x) <<2) // Current Source Direction #define DIR0 0 // Source IEXC1 connected to Pin IOUT1, Source IEXC2 connected to Pin IOUT2 #define DIR1 1 // Source IEXC1 connected to Pin IOUT2, Source IEXC2 connected to Pin IOUT1 #define DIR2 2 // Both sources connected to Pin IOUT1 #define DIR3 3 // Both sources connected to Pin IOUT2 #define IEXCEN(x) ((x) <<0) // Current Source Value #define IEXC_DIS 0 #define uA10 1 #define uA210 2 #define mA1 3 #endif