96 lines
3.2 KiB
C++
96 lines
3.2 KiB
C++
#ifndef MISSION_DEVICES_DEVICEDEFINITIONS_SUS_H_
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#define MISSION_DEVICES_DEVICEDEFINITIONS_SUS_H_
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#include <fsfw/datapoollocal/StaticLocalDataSet.h>
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#include <fsfw/devicehandlers/DeviceHandlerIF.h>
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#include <cstdint>
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namespace SUS {
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/**
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* Some MAX1227 could not be reached with frequencies around 4 MHz. Maybe this is caused by
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* the decoder and buffer circuits. Thus frequency is here defined to 1 MHz.
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*/
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static const uint32_t MAX1227_SPI_FREQ = 1000000;
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static const DeviceCommandId_t NONE = 0x0; // Set when no command is pending
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static const DeviceCommandId_t WRITE_SETUP = 0x1;
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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 START_CONVERSIONS = 0x2;
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/**
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* This command reads the internal fifo which holds the temperature and the channel
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* conversions.
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*/
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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): 0b00, No byte is following the setup byte
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* Bit3 (REFSEL1) - Bit2 (REFSEL0): 0b10, Internal reference, no wake-up delay
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* Bit5 (CLKSEL1) - Bit4 (CLKSEL0): 0b10, Internally clocked
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* Bit7 - Bit6: 0b01, Tells MAX1227 that this byte should be
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* written to the setup register
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*
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*/
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static const uint8_t SETUP = 0b01101000;
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/**
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* @brief This values 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, Scans channels 0 through N
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* Bit6 - Bit3 defines N: 0b0101 (N = 5)
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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 = 0b10101001;
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static const uint8_t SUS_DATA_SET_ID = READ_CONVERSIONS;
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/** Size of data replies. Temperature and 6 channel convesions (AIN0 - AIN5) */
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static const uint8_t SIZE_READ_CONVERSIONS = 14;
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static const uint8_t MAX_CMD_SIZE = SIZE_READ_CONVERSIONS;
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static const uint8_t POOL_ENTRIES = 7;
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enum Max1227PoolIds: lp_id_t {
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TEMPERATURE_C,
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AIN0,
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AIN1,
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AIN2,
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AIN3,
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AIN4,
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AIN5,
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};
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class SusDataset: public StaticLocalDataSet<POOL_ENTRIES> {
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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> ain0 = lp_var_t<uint16_t>(sid.objectId, AIN0, this);
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lp_var_t<uint16_t> ain1 = lp_var_t<uint16_t>(sid.objectId, AIN1, this);
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lp_var_t<uint16_t> ain2 = lp_var_t<uint16_t>(sid.objectId, AIN2, this);
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lp_var_t<uint16_t> ain3 = lp_var_t<uint16_t>(sid.objectId, AIN3, this);
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lp_var_t<uint16_t> ain4 = lp_var_t<uint16_t>(sid.objectId, AIN4, this);
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lp_var_t<uint16_t> ain5 = lp_var_t<uint16_t>(sid.objectId, AIN5, this);
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};
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}
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#endif /* MISSION_DEVICES_DEVICEDEFINITIONS_SUS_H_ */
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