32 lines
662 B
C++
32 lines
662 B
C++
#pragma once
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#define MAX_TXLENGTH 1518
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#define MIN_TXLENGTH 4
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#define MAX_RXLENGTH 1518
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#define MIN_RXLENGTH 64
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class NetworkBackend
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{
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public:
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virtual ~NetworkBackend();
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// transmit a packet
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virtual void transmit(
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const int txlength, /* Frame length */
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uint8_t *txframe /* Pointer to the frame to be transmitted */
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) = 0;
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// receive a single packet, return size (>0) or missing (-1)
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virtual int receive(
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const int size, /* Buffer size */
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uint8_t * rxframe /* Pointer to the buffer */
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) = 0;
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// process pending packets
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virtual void update(const ULONG nExecutedCycles) = 0;
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// if the backend is usable
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virtual bool isValid() = 0;
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};
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