#ifndef DURAADC_INC #define DURAADC_INC 1 #include #include #include #include #include // Cirrus Logic CS5506 20Bit AtoD - defines #define CS5506_VREF 2.048 #define CS5506_BIPOLAR_DIV 0x7FFFF // 2^19 - 1 COUNTS #define CS5506_UNIPOLAR_DIV 0xFFFFF // 2^20 - 1 COUNTS #define CS5506_CONV_TIMEOUT 75000 // 75ms Data Conversion Timeout (CF2 elapsed timer func uses us) // TCA6424 Port0 Bit Values to select A/D Mux Channel #define CS5506_AIN1 0x00 #define CS5506_AIN2 0x01 #define CS5506_AIN3 0x02 #define CS5506_AIN4 0x03 // TCA6424 Port0 Bit Value to select A/D Sleep Mode #define CS5506_ACTIVE 0x01 #define CS5506_SLEEP 0x02 // TCA6424 Port0 Bit Value to select A/D Bipolar/Unipolar Mode #define CS5506_UNIPOLAR 0x01 #define CS5506_BIPOLAR 0x02 // Analog Devices ADG1609 4ch Mux - defines // TCA6424 Port1 Bit Values to select Analog Mux Channel #define ADG1609_AIN1 0x00 #define ADG1609_AIN2 0x01 #define ADG1609_AIN3 0x02 #define ADG1609_AIN4 0x03 // Linear Tech LTC2050 and LTC1152 Zero-Drift OpAmps with High Z Shutdown #define VK_BUFFER 0x01 #define VRS_BUFFER 0x02 #define TEMP_BUFFER 0x03 // Linear Tech LTC6915 Zero-Drift Instrumentation Amp with Programmable Gain and Shutdown // TCA6424 Port1 Bit Values to select IAmp Gain #define LTC6915_G0 0x00 #define LTC6915_G1 0x08 #define LTC6915_G2 0x10 #define LTC6915_G4 0x18 #define LTC6915_G8 0x20 #define LTC6915_G16 0x28 #define LTC6915_G32 0x30 #define LTC6915_G64 0x38 #define LTC6915_G128 0x40 #define LTC6915_G256 0x48 #define LTC6915_G512 0x50 #define LTC6915_G1024 0x58 #define LTC6915_G2048 0x60 #define LTC6915_G4096 0x68 // MBARI DURAFET INTERFACE ENUMERATED ATOD VALUES #define DURAFET_VRS_EXT 0x01 //Ext Reference Electrode To Source Voltage (bipolar reading) #define DURAFET_VRS_INT 0x02 //Int Reference Electrode To Source Voltage (bipolar reading) #define DURAFET_VK 0x03 //Counter Electrode Output Voltage (bipolar reading) #define DURAFET_TEMP 0x04 //Thermistor Voltage Divider (unipolar reading with G=1) #define DURAFET_BATT 0x05 //Backup Battery Voltage Divider (unipolar reading with G=1) #define DURAFET_1WIRE_TEMP 0x06 //Remote Temperature Reading of DuraFET Die for High Pressure Version #define DURAFET_IK_4096 0x07 //Counter Electrode Output Current (source or sink, i.e., bipolar reading with G=4096, 31.25nA FS) #define DURAFET_IB_4096 0x08 //DuraFET Die Substrate Current (source or sink, i.e., bipolar reading with G=4096, 31.25nA FS) #define DURAFET_IK_2048 0x09 //Counter Electrode Output Current (source or sink, i.e., bipolar reading with G=2048, 62.5nA FS) #define DURAFET_IB_2048 0x0A //DuraFET Die Substrate Current (source or sink, i.e., bipolar reading with G=2048, 62.5nA FS) #define DURAFET_IK_1024 0x0B //Counter Electrode Output Current (source or sink, i.e., bipolar reading with G=1024, 125nA FS) #define DURAFET_IB_1024 0x0C //DuraFET Die Substrate Current (source or sink, i.e., bipolar reading with G=1024, 125nA FS) #define DURAFET_IK_512 0x0D //Counter Electrode Output Current (source or sink, i.e., bipolar reading with G=512, 250nA FS) #define DURAFET_IB_512 0x0E //DuraFET Die Substrate Current (source or sink, i.e., bipolar reading with G=512, 250nA FS) #define DURAFET_IK_256 0x0F //Counter Electrode Output Current (source or sink, i.e., bipolar reading with G=256, 500nA FS) #define DURAFET_IB_256 0x10 //DuraFET Die Substrate Current (source or sink, i.e., bipolar reading with G=256, 500nA FS) #define DURAFET_IK_128 0x11 //Counter Electrode Output Current (source or sink, i.e., bipolar reading with G=128, 1uA FS) #define DURAFET_IB_128 0x12 //DuraFET Die Substrate Current (source or sink, i.e., bipolar reading with G=128, 1uA FS) #define DURAFET_IK_64 0x13 //Counter Electrode Output Current (source or sink, i.e., bipolar reading with G=64, 2uA FS) #define DURAFET_IB_64 0x14 //DuraFET Die Substrate Current (source or sink, i.e., bipolar reading with G=64, 2uA FS) #define DURAFET_IK_32 0x15 //Counter Electrode Output Current (source or sink, i.e., bipolar reading with G=32, 4uA FS) #define DURAFET_IB_32 0x16 //DuraFET Die Substrate Current (source or sink, i.e., bipolar reading with G=32, 4uA FS) #define DURAFET_IK_16 0x17 //Counter Electrode Output Current (source or sink, i.e., bipolar reading with G=16, 8uA FS) #define DURAFET_IB_16 0x18 //DuraFET Die Substrate Current (source or sink, i.e., bipolar reading with G=16, 8uA FS) #define DURAFET_IK_8 0x19 //Counter Electrode Output Current (source or sink, i.e., bipolar reading with G=8, 16uA FS) #define DURAFET_IB_8 0x1A //DuraFET Die Substrate Current (source or sink, i.e., bipolar reading with G=8, 16uA FS) #define DURAFET_IK_4 0x1B //Counter Electrode Output Current (source or sink, i.e., bipolar reading with G=4, 32uA FS) #define DURAFET_IB_4 0x1C //DuraFET Die Substrate Current (source or sink, i.e., bipolar reading with G=4, 32uA FS) #define DURAFET_IK_2 0x1D //Counter Electrode Output Current (source or sink, i.e., bipolar reading with G=2, 64uA FS) #define DURAFET_IB_2 0x1E //DuraFET Die Substrate Current (source or sink, i.e., bipolar reading with G=2, 64uA FS) #define DURAFET_IK_1 0x1F //Counter Electrode Output Current (source or sink, i.e., bipolar reading with G=1, 128uA FS) #define DURAFET_IB_1 0x20 //DuraFET Die Substrate Current (source or sink, i.e., bipolar reading with G=1, 128uA FS) // MBARI DURAFET IK VALUES #define IK_V_MAX 2.00 //Maximum voltage threshold for an over-range condition #define IK_ERANGE_POS +1.0 //Positive Ik Range Error Return Value #define IK_ERANGE_NEG -1.0 //Negative Ik Range Error Return Value // MBARI DURAFET IB VALUES #define IB_V_MAX 2.00 //Maximum voltage threshold for an over-range condition #define IB_ERANGE_POS +1.0 //Positive Ib Range Error Return Value #define IB_ERANGE_NEG -1.0 //Negative Ib Range Error Return Value // MISC... #define ATOD_RESET_RETRIES 1 //Number of AtoD Resets if AtoD returns a timeout, if one doesn't do it, then probably more won't either #define TEN_HZ_LOOP 100000 //Collect A/D data at 10Hz rate // ATOD FUNCTION PROTOTYPES int AtodPowerOn(void); int AtodPowerOff(void); int AtodInit(void); int AtodReset(void); int AtodConversion(ulong *Counts, float *Volts); int AtodCalibrate(void); int AtodSleep(uchar State); int AtodChannel(uchar Chan); int AtodPolarity(uchar State); int AtodIamp(uchar Gain, uchar Enable); int AtodAnalogSw(uchar Chan, uchar Enable); int AtodHighZBuffers(uchar Device, uchar Enable); int AtodEnable(void); int AtodDisable(void); int AtodSelectValue(ushort C); int AtodProcessValue(ushort C, float *V); int AtodReadValue(ushort C, ushort D, ushort N, float *V, float *S); #endif