44 lines
743 B
C++
44 lines
743 B
C++
#include "Slave.h"
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Slave(ITransport* port)
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{
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_port = port;
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Address = 0;
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}
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Slave::~Slave()
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{
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delete _port;
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_port = NULL;
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}
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void Slave::OnReceive(ITransport* transport, byte* buf, uint len, void* param)
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{
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assert_ptr(param);
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Slave* slave = (Slave*)param;
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MemoryStream ms(buf, len);
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Modbus entity;
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if(!entity.Read(ms)) return;
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slave->Dispatch(entity);
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}
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// 分发处理消息。返回值决定是否响应
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bool Slave::Dispatch(Modbus& entity)
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{
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// 是否本地地址，或者本地是否0接收所有消息
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if(Address && Address != entity.Address) return false;
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// 检查Crc
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if(entity.Crc != enable.Crc2)
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{
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entity.SetError(ModbusErrors::Crc);
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return true;
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}
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return true;
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}
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