41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
/*****************************************************************************/
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/*****************************************************************************/
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/**
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*
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* XMODEM CRC Communication
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*
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* Simple implementation of read and write using XMODEM CRC. This is tied
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* directly to the PROM code, so the receive function writes the data to the
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* PROM device as each packet is received. The complete file is not kept
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* in memory.
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*/
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#ifndef INCLUDE_CONFIGURE_H
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#define INCLUDE_CONFIGURE_H
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#include "Arduino.h"
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#include "Configure.h"
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//class PromDevice;
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class CmdStatus;
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class XModem
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{
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public:
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XModem(PromDevice & pd, CmdStatus & cs) : promDevice(pd), cmdStatus(cs) {}
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uint32_t ReceiveFile(uint32_t address);
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bool SendFile(uint32_t address, uint32_t fileSize);
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void Cancel();
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private:
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PromDevice & promDevice;
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CmdStatus & cmdStatus;
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int GetChar(int msWaitTime = 3000);
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uint16_t UpdateCrc(uint16_t crc, uint8_t data);
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bool StartReceive();
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int ReceivePacket(uint8_t buffer[], unsigned bufferSize, uint8_t seq, uint32_t destAddr);
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void SendPacket(uint32_t address, uint8_t seq);
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};
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#endif // #define INCLUDE_CONFIGURE_H
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