99 lines
1.6 KiB
C++
99 lines
1.6 KiB
C++
#include "BufferPort.h"
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#include "Device\SerialPort.h"
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BufferPort::BufferPort() : Buf()
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{
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Name = "BufferPort";
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Port = nullptr;
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Com = COM_NONE;
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Speed = 9600;
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Opened = false;
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Led = nullptr;
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}
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BufferPort::~BufferPort()
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{
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delete Port;
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Port = nullptr;
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}
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bool BufferPort::Open()
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{
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if(Opened) return true;
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bool isNew = false;
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if(Port)
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{
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#if DEBUG
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debug_printf("%s::Open \r\n", Name);
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auto obj = dynamic_cast<Object*>(Port);
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if(obj)
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obj->Show(true);
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else
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debug_printf("\r\n");
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#endif
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}
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else
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{
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debug_printf("%s::Open COM%d %d \r\n", Name, (byte)Com + 1, Speed);
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isNew = true;
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}
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if(Buf.Capacity() == 0)
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{
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debug_printf("未指定缓冲区大小，默认分配 256 字节！\r\n");
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Buf.SetLength(256);
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//return false;
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}
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Buf.SetLength(0);
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if(isNew && Com != COM_NONE)
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{
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auto sp = new SerialPort(Com, Speed);
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Port = sp;
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}
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if(!OnOpen(isNew) || Port == nullptr) return false;
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Port->Register(OnReceive, this);
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return Opened = Port->Open();
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}
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bool BufferPort::OnOpen(bool isNew) { return true; }
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void BufferPort::Close()
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{
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if(!Opened) return;
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if(Port)
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{
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Port->Close();
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//Port->Register(nullptr, nullptr);
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}
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Opened = false;
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}
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uint BufferPort::OnReceive(ITransport* transport, Buffer& bs, void* param, void* param2)
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{
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auto bp = (BufferPort*)param;
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if(bp) bp->OnReceive(bs, param2);
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return 0;
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}
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void BufferPort::OnReceive(const Buffer& bs, void* param)
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{
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if(Buf.Capacity() > 0)
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{
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Buf.SetLength(0);
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Buf.Copy(0, bs, 0, bs.Length());
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}
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}
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