eive-obsw/mission/devices/SusHandler.h

#ifndef MISSION_DEVICES_SUSHANDLER_H_
#define MISSION_DEVICES_SUSHANDLER_H_

#include <fsfw/devicehandlers/DeviceHandlerBase.h>
#include <mission/devices/devicedefinitions/SusDefinitions.h>
#include <fsfw_hal/linux/gpio/LinuxLibgpioIF.h>

/**
 * @brief	This is the device handler class for the SUS sensor. The sensor is
 *          based on the MAX1227 ADC. Details about the SUS electronic can be found at
 *          https://egit.irs.uni-stuttgart.de/eive/eive_dokumente/src/branch/master/400_Raumsegment/443_SunSensorDocumentation/release
 *
 * @details Datasheet of MAX1227: https://datasheets.maximintegrated.com/en/ds/MAX1227-MAX1231.pdf
 *
 * @author	J. Meier
 */
class SusHandler: public DeviceHandlerBase {
public:

	SusHandler(object_id_t objectId, object_id_t comIF,
			CookieIF * comCookie, LinuxLibgpioIF* gpioComIF, gpioId_t chipSelectId);
	virtual ~SusHandler();

protected:
	void doStartUp() override;
	void doShutDown() override;
	ReturnValue_t buildNormalDeviceCommand(DeviceCommandId_t * id) override;
	ReturnValue_t buildTransitionDeviceCommand(DeviceCommandId_t * id) override;
	void fillCommandAndReplyMap() override;
	ReturnValue_t buildCommandFromCommand(DeviceCommandId_t deviceCommand,
				const uint8_t * commandData,size_t commandDataLen) override;
	ReturnValue_t scanForReply(const uint8_t *start, size_t remainingSize,
			DeviceCommandId_t *foundId, size_t *foundLen) override;
	ReturnValue_t interpretDeviceReply(DeviceCommandId_t id,
			const uint8_t *packet) override;
	void setNormalDatapoolEntriesInvalid() override;
	uint32_t getTransitionDelayMs(Mode_t modeFrom, Mode_t modeTo) override;
	ReturnValue_t initializeLocalDataPool(localpool::DataPool& localDataPoolMap,
            LocalDataPoolManager& poolManager) override;

private:

	enum class CommunicationStep {
	    PERFORM_CONVERSIONS,
	    REQUEST_TEMP,
	    READ_TEMP,
	    WRITE_SETUP
	};

	enum class InternalState {
	    SETUP,
	    CONFIGURED
	};

	LinuxLibgpioIF* gpioComIF = nullptr;

	gpioId_t chipSelectId = gpio::NO_GPIO;

	SUS::SusDataset dataset;

	uint8_t cmdBuffer[SUS::MAX_CMD_SIZE];
	InternalState internalState = InternalState::SETUP;
	CommunicationStep communicationStep = CommunicationStep::WRITE_SETUP;
};

#endif /* MISSION_DEVICES_SUSHANDLER_H_ */