137 lines
4.3 KiB
C++
137 lines
4.3 KiB
C++
/**
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* @file tunerstudio_io.h
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* @file TS protocol commands and methods are here
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*
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* @date Mar 8, 2015
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* @author Andrey Belomutskiy, (c) 2012-2020
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*/
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#pragma once
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#include "global.h"
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#include "tunerstudio_impl.h"
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#if EFI_USB_SERIAL
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#include "usbconsole.h"
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#endif // EFI_USB_SERIAL
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#if EFI_PROD_CODE
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#include "pin_repository.h"
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#endif
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#ifndef USART_CR2_STOP1_BITS
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// todo: acticulate why exactly does prometheus_469 as for this hack
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#define USART_CR2_STOP1_BITS 0
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#endif
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#define SCRATCH_BUFFER_PREFIX_SIZE 3
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class TsChannelBase {
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public:
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TsChannelBase(const char *name);
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// Virtual functions - implement these for your underlying transport
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virtual void write(const uint8_t* buffer, size_t size, bool isEndOfPacket = false) = 0;
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virtual size_t readTimeout(uint8_t* buffer, size_t size, int timeout) = 0;
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// These functions are optional to implement, not all channels need them
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virtual void flush() { }
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virtual bool isConfigured() const { return true; }
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virtual bool isReady() const { return true; }
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virtual void stop() { }
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// Base functions that use the above virtual implementation
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size_t read(uint8_t* buffer, size_t size);
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int bytesIn = 0;
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int bytesOut = 0;
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#ifdef EFI_CAN_SERIAL
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virtual // CAN device needs this function to be virtual for small-packet optimization
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#endif
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void writeCrcPacket(uint8_t responseCode, const uint8_t* buf, size_t size, bool allowLongPackets = false);
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void sendResponse(ts_response_format_e mode, const uint8_t * buffer, int size, bool allowLongPackets = false);
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/**
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* See 'blockingFactor' in rusefi.ini
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*/
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char scratchBuffer[BLOCKING_FACTOR + 30];
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const char *name;
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void assertPacketSize(size_t size, bool allowLongPackets);
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uint32_t writePacketHeader(const uint8_t responseCode, const size_t size);
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void crcAndWriteBuffer(const uint8_t responseCode, const size_t size);
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void copyAndWriteSmallCrcPacket(uint8_t responseCode, const uint8_t* buf, size_t size);
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/* When TsChannel is in "not in sync" state tsProcessOne will silently try to find
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* begining of packet.
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* As soon as tsProcessOne was able to receive valid packet with valid size and crc
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* TsChannel becomes "in sync". That means it will react on any futher errors: it will
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* emit packet with error code and switch back to "not in sync" mode.
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* This insures that RE will send only one error message after lost of syncronization
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* with TS.
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* Also while in "not in sync" state - tsProcessOne will not try to receive whole packet
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* by one read. Instead after getting packet size it will try to receive one byte of
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* command and check if it is supported. */
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bool in_sync = false;
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private:
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void writeCrcPacketLarge(uint8_t responseCode, const uint8_t* buf, size_t size);
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};
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// This class represents a channel for a physical async serial poart
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class SerialTsChannelBase : public TsChannelBase {
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public:
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SerialTsChannelBase(const char *name) : TsChannelBase(name) {};
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// Open the serial port with the specified baud rate
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virtual void start(uint32_t baud) = 0;
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};
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#if HAL_USE_SERIAL
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// This class implements a ChibiOS Serial Driver
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class SerialTsChannel : public SerialTsChannelBase {
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public:
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SerialTsChannel(SerialDriver& driver) : SerialTsChannelBase("Serial"), m_driver(&driver) { }
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void start(uint32_t baud) override;
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void stop() override;
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void write(const uint8_t* buffer, size_t size, bool isEndOfPacket) override;
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size_t readTimeout(uint8_t* buffer, size_t size, int timeout) override;
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private:
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SerialDriver* const m_driver;
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};
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#endif // HAL_USE_SERIAL
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#if HAL_USE_UART
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// This class implements a ChibiOS UART Driver
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class UartTsChannel : public SerialTsChannelBase {
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public:
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UartTsChannel(UARTDriver& driver) : SerialTsChannelBase("UART"), m_driver(&driver) { }
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void start(uint32_t baud) override;
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void stop() override;
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void write(const uint8_t* buffer, size_t size, bool isEndOfPacket) override;
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size_t readTimeout(uint8_t* buffer, size_t size, int timeout) override;
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protected:
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UARTDriver* const m_driver;
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UARTConfig m_config;
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};
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#endif // HAL_USE_UART
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#define CRC_VALUE_SIZE 4
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// that's 1 second
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#define BINARY_IO_TIMEOUT TIME_MS2I(1000)
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// that's 1 second
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#define SR5_READ_TIMEOUT TIME_MS2I(1000)
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void startSerialChannels();
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SerialTsChannelBase* getBluetoothChannel();
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void startCanConsole();
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void sendOkResponse(TsChannelBase *tsChannel, ts_response_format_e mode);
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