Reorganizing project

components/f4ll/inc/ll_hsusart.h

@@ -0,0 +1,111 @@
+/*
+ * ll_HsUsart.h
+ *
+ *  Created on: Oct 29, 2019
+ *      Author: abody
+ */
+
+#ifndef LL_HSUSART_H_
+#define LL_HSUSART_H_
+#include <platform/usart_ll.h>
+#include "f4ll/ll_usartcore.h"
+#include "f4ll/ll_crchandler.h"
+
+namespace f4ll {
+
+struct DMAINFO;
+
+class LL_HsUsart : public LL_CrcHandler::ICallback, public LL_UsartCore
+{
+public:
+	LL_HsUsart(USART_TypeDef *usart, DMA_TypeDef *dma, uint32_t stream_rx, uint32_t stream_tx);
+
+	struct PacketHeader {	// !!! size should be multiple of 4 !!!
+		uint8_t startByte;
+		uint8_t serial;
+		uint8_t payloadLength;
+		uint8_t hash;
+	};
+
+	struct Packet {
+		PacketHeader header;
+		uint8_t      payload[256+sizeof(uint32_t)];	// extra room for crc32
+	} __attribute__((aligned));
+
+	struct Stats {
+		uint32_t overrun = 0;
+		uint32_t hdrError = 0;
+		uint32_t payloadErrror = 0;
+		uint32_t pep1 = 0;
+		uint32_t pep2 = 0;
+		uint32_t rxDmaError = 0;
+		uint32_t txDmaError = 0;
+		uint32_t rcvd = 0;
+		uint32_t premature_hdr = 0;
+		uint32_t premature_payload = 0;
+		uint32_t sent = 0;
+		uint32_t skiped = 0;
+	};
+
+	struct IHsUsartCallback {
+		virtual bool PacketReceived(LL_HsUsart *caller, uintptr_t userParam, Packet const &packet) = 0;
+	};
+
+	// LL_CRCHandler::ICallback interface functions
+	virtual void CrcSucceeded(uintptr_t callbackParam, uint32_t crc, int prio);
+	virtual void CrcFailed(uintptr_t callbackParam, uint32_t crc, int prio);
+
+	// LL_UsartCore pure virtual function implementations
+	virtual void ReceiverIdle(void);
+	virtual void TransmissionComplete(void);
+	virtual void RxDmaTransferComplete(void);
+	virtual void RxDmaHalfTransfer(void);
+	virtual void RxDmaError(LL_DmaHelper::DmaErrorType reason);
+	virtual void TxDmaTransferComplete(void);
+	virtual void TxDmaHalfTransfer(void);
+	virtual void TxDmaError(LL_DmaHelper::DmaErrorType reason);
+
+	void PostPacket(uint8_t const *payload, uint8_t length, bool waitForCrcQueue = true);
+	void SetupReceive(void);
+
+	void RxProcessed(bool second);
+	uint8_t* GetTxPacketBuffer(void);
+	USART_TypeDef* GetUsart(void);
+	Stats const & GetStats(void);
+	bool IsTxBusy(void);
+	bool IsTxFailed(void);
+	bool IsRxBusy(bool second);
+	bool IsRxFailed(bool second);
+
+	void SetCallback(IHsUsartCallback* callback, uintptr_t callbackParam);
+
+private:
+	void BuildHeader(Packet &packet, uint8_t serialNo, uint8_t length);
+	bool CheckHeader(PacketHeader &header);
+	void SwitchRxBuffers(void);
+
+	struct Buffer {
+		Packet packet;
+		//transfer area ends here
+		volatile bool busy = 0;
+		volatile bool error = 0;
+		uint16_t requestedLength = 0;
+		uint32_t errorInfo = 0;
+	};
+
+	static const uint8_t STARTMARKER = 0x95;
+
+	uint8_t        m_rxSerialNo = -1;
+	uint8_t        m_txSerialNo = -1;
+	Stats          m_stats;
+	bool           m_rxBufferSelector = false;
+
+	LL_CrcHandler::Slot<2> m_crcSlot;
+	IHsUsartCallback       *m_userCallback = nullptr;
+	uintptr_t               m_userCallbackParam = 0;
+	Buffer                  m_txBuffer;
+	Buffer                  m_rxBuffers[2];
+};
+
+}
+#endif /* LL_HSUSART_H_ */