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New solution for CRC generator slots

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Attila Body 2019-11-01 14:05:16 +01:00
parent 9670e6d397
commit 9dba241466
4 changed files with 55 additions and 54 deletions
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42
lib/ll_crchandler.h
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@ -27,44 +27,46 @@ public:
virtual void CrcFailed(uintptr_t callbackParam, uint32_t crc, int prio) = 0;
};
class Slot
class SlotBase
{
friend class LL_CrcHandler;
public:
struct CrcTask {
void const * volatile m_address; // changed to nullptr when execution starts
uint16_t volatile m_wordCount;
void const * volatile m_address; // changed to nullptr when execution starts
uint16_t volatile m_wordCount;
LL_CrcHandler::ICallback *m_callback;
uintptr_t m_callbackParam;
};
private:
Slot *m_next = nullptr;
SlotBase *m_next = nullptr;
uint8_t m_taskCount;
CrcTask m_tasks[1];
virtual CrcTask& operator[](int index) = 0;
protected:
Slot(unsigned int taskCount) : m_taskCount(taskCount) {}
Slot() = delete;
Slot(Slot const &other) = delete;
SlotBase(unsigned int taskCount) : m_taskCount(taskCount) {}
SlotBase() = delete;
SlotBase(SlotBase const &other) = delete;
};
// DON't try this at home! we "extend" LL_CrcHandler::m_tasks this way
template <uint8_t n> class TSlot : public Slot
template <uint8_t n> class Slot : public SlotBase
{
public:
TSlot() : Slot(n) {}
Slot() : SlotBase(n) {}
virtual CrcTask& operator[](int index) { return m_tasks[index]; }
private:
TSlot::CrcTask _m_tasks[n-1];
Slot::CrcTask m_tasks[n];
};
void AttachSlot(Slot &slot);
bool Enqueue(Slot &slot, uint8_t prio, void const *address, uint16_t len, ICallback *cb, uintptr_t cbParam);
uint32_t Compute(Slot &slot, uint8_t prio, void const *address, uint16_t len);
void AttachSlot(SlotBase &slot);
bool Enqueue(SlotBase &slot, uint8_t prio, void const *address, uint16_t len, ICallback *cb, uintptr_t cbParam);
uint32_t Compute(SlotBase &slot, uint8_t prio, void const *address, uint16_t len);
bool IsActive(Slot &slot, uint8_t prio) const;
bool IsQueued(Slot &slot, uint8_t prio) const;
bool IsRunning(Slot &slot, uint8_t prio) const;
bool IsActive(SlotBase &slot, uint8_t prio) const;
bool IsQueued(SlotBase &slot, uint8_t prio) const;
bool IsRunning(SlotBase &slot, uint8_t prio) const;
private:
@ -73,11 +75,11 @@ private:
friend void ::_HandleCrcDmaIrq(void);
void DmaTransferCompleted(void);
void StartNextTask(void);
void WaitResults(Slot &slot, uint8_t prio) const;
void WaitResults(SlotBase &slot, uint8_t prio) const;
LL_DmaHelper m_dma;
Slot * volatile m_firstSlot = nullptr;
Slot * volatile m_activeSlot = nullptr;
SlotBase * volatile m_firstSlot = nullptr;
SlotBase * volatile m_activeSlot = nullptr;
int volatile m_activePrio;
};