48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
#ifndef __AT_H__
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#define __AT_H__
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// GPRS的AT指令集 GSM 07.07
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class AT
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{
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public:
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ITransport* Port; // 传输口
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cstring DataKey; // 数据关键字
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Delegate<Buffer&> Received;
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AT();
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~AT();
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void Init(COM idx, int baudrate = 115200);
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void Init(ITransport* port);
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float GetLatitude();
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float GetLongitude();
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// 打开与关闭
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bool Open();
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void Close();
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/******************************** 发送指令 ********************************/
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// 发送指令，在超时时间内等待返回期望字符串，然后返回内容
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String Send(const String& cmd, cstring expect, cstring expect2 = nullptr, uint msTimeout = 1000, bool trim = true);
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String Send(const String& cmd, uint msTimeout = 1000, bool trim = true);
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// 发送命令，自动检测并加上\r\n，等待响应OK
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bool SendCmd(const String& cmd, uint msTimeout = 1000);
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// 等待命令返回
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bool WaitForCmd(cstring expect, uint msTimeout);
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private:
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void* _Expect; // 等待内容
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// 分析关键字。返回被用掉的字节数
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uint ParseReply(const Buffer& bs);
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// 引发数据到达事件
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uint OnReceive(Buffer& bs, void* param);
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static uint OnPortReceive(ITransport* sender, Buffer& bs, void* param, void* param2);
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};
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#endif
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