eive-obsw/linux/devices/devicedefinitions/SusDefinitions.h

#ifndef MISSION_DEVICES_DEVICEDEFINITIONS_SUS_H_
#define MISSION_DEVICES_DEVICEDEFINITIONS_SUS_H_

#include <fsfw/datapoollocal/StaticLocalDataSet.h>
#include <fsfw/devicehandlers/DeviceHandlerIF.h>

#include <cstdint>

namespace SUS {

/**
 * Some MAX1227 could not be reached with frequencies around 4 MHz. Maybe this is caused by
 * the decoder and buffer circuits. Thus frequency is here defined to 1 MHz.
 */
static const uint32_t MAX1227_SPI_FREQ = 1000000;

static const DeviceCommandId_t NONE = 0x0;  // Set when no command is pending

static const DeviceCommandId_t WRITE_SETUP = 0x1;
/**
 * This command initiates the ADC conversion for all channels including the internal
 * temperature sensor.
 */
static const DeviceCommandId_t START_CONVERSIONS = 0x2;
/**
 * This command reads the internal fifo which holds the temperature and the channel
 * conversions.
 */
static const DeviceCommandId_t READ_CONVERSIONS = 0x3;

/**
 * @brief   This is the configuration byte which will be written to the setup register after
 *          power on.
 *
 * @note Bit1 (DIFFSEL1) - Bit0 (DIFFSEL0): 0b00, No byte is following the setup byte
 *       Bit3 (REFSEL1) - Bit2 (REFSEL0):   0b10, Internal reference, no wake-up delay
 *       Bit5 (CLKSEL1) - Bit4 (CLKSEL0):   0b10, Internally clocked
 *       Bit7 - Bit6:                       0b01, Tells MAX1227 that this byte should be
 *                                                written to the setup register
 *
 */
static const uint8_t SETUP = 0b01101000;

/**
 * @brief This values will always be written to the ADC conversion register to specify the
 *        conversions to perform.
 * @details Bit0: 1 - Enables temperature conversion
 *          Bit2 (SCAN1) and Bit1 (SCAN0): 0b00, Scans channels 0 through N
 *          Bit6 - Bit3 defines N: 0b0101 (N = 5)
 *          Bit7: Always 1. Tells the ADC that this is the conversion register.
 */
static const uint8_t CONVERSION = 0b10101001;

static const uint8_t SUS_DATA_SET_ID = READ_CONVERSIONS;

/** Size of data replies. Temperature and 6 channel convesions (AIN0 - AIN5) */
static const uint8_t SIZE_READ_CONVERSIONS = 14;

static const uint8_t MAX_CMD_SIZE = SIZE_READ_CONVERSIONS;

static const uint8_t POOL_ENTRIES = 7;

enum Max1227PoolIds : lp_id_t {
  TEMPERATURE_C,
  AIN0,
  AIN1,
  AIN2,
  AIN3,
  AIN4,
  AIN5,
};

class SusDataset : public StaticLocalDataSet<POOL_ENTRIES> {
 public:
  SusDataset(HasLocalDataPoolIF* owner) : StaticLocalDataSet(owner, SUS_DATA_SET_ID) {}

  SusDataset(object_id_t objectId) : StaticLocalDataSet(sid_t(objectId, SUS_DATA_SET_ID)) {}

  lp_var_t<float> temperatureCelcius = lp_var_t<float>(sid.objectId, TEMPERATURE_C, this);
  lp_var_t<uint16_t> ain0 = lp_var_t<uint16_t>(sid.objectId, AIN0, this);
  lp_var_t<uint16_t> ain1 = lp_var_t<uint16_t>(sid.objectId, AIN1, this);
  lp_var_t<uint16_t> ain2 = lp_var_t<uint16_t>(sid.objectId, AIN2, this);
  lp_var_t<uint16_t> ain3 = lp_var_t<uint16_t>(sid.objectId, AIN3, this);
  lp_var_t<uint16_t> ain4 = lp_var_t<uint16_t>(sid.objectId, AIN4, this);
  lp_var_t<uint16_t> ain5 = lp_var_t<uint16_t>(sid.objectId, AIN5, this);
};
}  // namespace SUS

#endif /* MISSION_DEVICES_DEVICEDEFINITIONS_SUS_H_ */