eive-obsw/linux/devices/RwPollingTask.h
Robin Mueller 8b0eceb072
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continue rw refactoring
2023-02-15 17:02:22 +01:00

79 lines
3.0 KiB
C++

#ifndef LINUX_DEVICES_RWPOLLINGTASK_H_
#define LINUX_DEVICES_RWPOLLINGTASK_H_
#include <fsfw/devicehandlers/DeviceCommunicationIF.h>
#include <fsfw/objectmanager/SystemObject.h>
#include <fsfw/tasks/ExecutableObjectIF.h>
#include <fsfw/tasks/SemaphoreIF.h>
#include <fsfw_hal/linux/spi/SpiComIF.h>
#include <fsfw_hal/linux/spi/SpiCookie.h>
#include "mission/devices/devicedefinitions/rwHelpers.h"
class RwCookie : public SpiCookie {
friend class RwPollingTask;
public:
RwCookie(uint8_t rwIdx, address_t spiAddress, gpioId_t chipSelect, const size_t maxSize,
spi::SpiModes spiMode, uint32_t spiSpeed)
: SpiCookie(spiAddress, chipSelect, maxSize, spiMode, spiSpeed), rwIdx(rwIdx) {}
private:
std::array<uint8_t, 524> replyBuf{};
int32_t currentRwSpeed = 0;
uint16_t currentRampTime = 0;
rws::SpecialRwRequest specialRequest = rws::SpecialRwRequest::NONE;
uint8_t rwIdx;
};
class RwPollingTask : public SystemObject, public ExecutableObjectIF, public DeviceCommunicationIF {
public:
RwPollingTask(object_id_t objectId, SpiComIF* spiIF);
ReturnValue_t performOperation(uint8_t operationCode) override;
ReturnValue_t initialize() override;
private:
enum class InternalState { IDLE, BUSY } state = InternalState::IDLE;
SemaphoreIF* semaphore;
bool debugMode = false;
bool modeAndSpeedWasSet = false;
MutexIF* ipcLock;
SpiComIF* spiIF;
std::array<RwCookie*, 4> rwCookies;
std::array<uint8_t, rws::MAX_CMD_SIZE> writeBuffer;
size_t writeLen = 0;
std::array<uint8_t, 256> processingBuf;
//! This is the end and start marker of the frame datalinklayer
static constexpr uint8_t FLAG_BYTE = 0x7E;
static constexpr MutexIF::TimeoutType TIMEOUT_TYPE = MutexIF::TimeoutType::WAITING;
static constexpr uint32_t TIMEOUT_MS = 20;
static constexpr uint8_t MAX_RETRIES_REPLY = 5;
ReturnValue_t writeAndReadAllRws(const uint8_t* sendData, size_t sendDataLen);
ReturnValue_t writeOneRw(uint8_t rwIdx);
ReturnValue_t readAllRws(int fd, MutexIF* spiLock, const char* dev);
ReturnValue_t sendOneMessage(int fd, RwCookie& rwCookie, MutexIF* spiLock, const uint8_t* data,
size_t dataLen);
ReturnValue_t readNextReply(const char* spiDev, RwCookie& rwCookie, MutexIF* spiLock,
uint8_t* replyBuf);
ReturnValue_t initializeInterface(CookieIF* cookie) override;
ReturnValue_t sendMessage(CookieIF* cookie, const uint8_t* sendData, size_t sendLen) override;
ReturnValue_t getSendSuccess(CookieIF* cookie) override;
ReturnValue_t requestReceiveMessage(CookieIF* cookie, size_t requestLen) override;
ReturnValue_t readReceivedMessage(CookieIF* cookie, uint8_t** buffer, size_t* size) override;
ReturnValue_t openSpi(const std::string& devname, int flags, int& fd);
ReturnValue_t pullCsLow(gpioId_t gpioId, MutexIF* spiLock, GpioIF& gpioIF);
void prepareSimpleCommand(DeviceCommandId_t id);
ReturnValue_t prepareSetSpeedCmd(uint8_t rwIdx);
void pullCsHigh(gpioId_t gpioId, MutexIF* spiLock, GpioIF& gpioIF);
void closeSpi(int);
};
#endif /* LINUX_DEVICES_RWPOLLINGTASK_H_ */