84 lines
2.9 KiB
C
84 lines
2.9 KiB
C
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#ifndef MISSION_DEVICES_DEVICEDEFINITIONS_SUS_H_
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#define MISSION_DEVICES_DEVICEDEFINITIONS_SUS_H_
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namespace SUS {
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static const DeviceCommandId_t NONE = 0x0; // Set when no command is pending
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/**
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* This command initiates the ADC conversion for all channels including the internal
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* temperature sensor.
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*/
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static const DeviceCommandId_t WRITE_SETUP = 0x1;
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static const DeviceCommandId_t START_CONVERSION = 0x2;
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static const DeviceCommandId_t READ_CONVERSIONS = 0x3;
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/**
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* @brief This is the configuration byte which will be written to the setup register after
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* power on.
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*
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* @note Bit1 (DIFFSEL1) - Bit0 (DIFFSEL0): 0b10, following byte will be written to the
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* unipolar register to perform differential conversion
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* Bit3 (REFSEL1) - Bit2 (REFSEL0): 0b11, external reference differential (AIN6 is REF-)
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* Bit5 (CLKSEL1) - Bit4 (CLKSEL0): 0b10, MAX1227 uses internal oscillator for timing
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* Bit7 - Bit6: 0b01, tells MAX1227 that this is the setup register
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*
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*/
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static const uint8_t SETUP_DEFINITION = 0b01101110;
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/**
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* @brief This byte will be written to the unipolar register
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*
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* @details Setting bits 7 - 5 to will configure channels 0/1, 2/3 and 4/5 as differential
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* pairs.
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*/
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static const uint8_t UNIPOLAR_CONFIG = 0b11100000;
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/**
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* @brief This value will always be written to the ADC conversion register to specify the
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* conversions to perform.
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* @details Bit0: 1 - Enables temperature conversion
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* Bit2 (SCAN1) and Bit1 (SCAN0): 0b00 (channel conversion from 0 to N)
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* Bit6 - Bit3 defines N: 0b0001 (N = 4)
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* Bit7: Always 1. Tells the ADC that this is the conversion register.
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*/
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static const uint8_t CONVERSION_DEFINITION = 0b10100001;
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static const uint8_t DUMMY_BYTE = 0xFF;
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static const uint8_t SUS_DATA_SET_ID = READ_CONVERSIONS;
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/**
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* One temperature value, one differential conversion for channels 0/1, one for channels 2/3 and
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* one for channels 3/4
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*/
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static const uint8_t READ_SIZE = 8;
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enum Max1227PoolIds: lp_id_t {
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TEMPERATURE_C,
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DIFF_SCAN_CHANNEL_0_1,
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DIFF_SCAN_CHANNEL_2_3,
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DIFF_SCAN_CHANNEL_4_5,
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};
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class SusDataset: public StaticLocalDataSet<sizeof(float)> {
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public:
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SusDataset(HasLocalDataPoolIF* owner) :
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StaticLocalDataSet(owner, SUS_DATA_SET_ID) {
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}
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SusDataset(object_id_t objectId) :
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StaticLocalDataSet(sid_t(objectId, SUS_DATA_SET_ID)) {
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}
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lp_var_t<float> temperatureCelcius = lp_var_t<float>(sid.objectId, TEMPERATURE_C, this);
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lp_var_t<uint16_t> diffScanChannel0_1 = lp_var_t<uint16_t>(sid.objectId, DIFF_SCAN_CHANNEL_0_1, this);
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lp_var_t<uint16_t> diffScanChannel2_3 = lp_var_t<uint16_t>(sid.objectId, DIFF_SCAN_CHANNEL_2_3, this);
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lp_var_t<uint16_t> diffScanChannel4_5 = lp_var_t<uint16_t>(sid.objectId, DIFF_SCAN_CHANNEL_4_5, this);
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};
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}
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#endif /* MISSION_DEVICES_DEVICEDEFINITIONS_SUS_H_ */
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