138 lines
3.0 KiB
C++
138 lines
3.0 KiB
C++
#include "Kernel\TTime.h"
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#include "Device\SerialPort.h"
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#include "Sim900A.h"
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Sim900A::Sim900A() :GSM07() {
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At.DataKey = "\r\n+IPD,";
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}
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bool Sim900A::OnOpen()
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{
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// 退出传输
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ByteArray end((byte)0x1A, 1);
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At.Send(end.AsString());
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// 强行关闭场景
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At.Send("AT+CIPSHUT", 2000);
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return GSM07::OnOpen();
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}
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// 数据到达
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void Sim900A::OnReceive(Buffer& bs)
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{
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// \r\n+IPD,61:xxx
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auto str = bs.AsString();
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int p = str.IndexOf(":");
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if (p <= 0) return;
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int len = str.Substring(0, p).ToInt();
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// 检查长度
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if (p + 1 + len > bs.Length()) len = bs.Length() - p - 1;
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auto data = bs.Sub(p + 1, len);
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OnProcess(0, data, _Remote);
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}
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bool Sim900A::IPSend(int index, const Buffer& data)
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{
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assert(data.Length() <= 1024, "每次最多发送1024字节");
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/*
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AT+CIPSEND=5,”12345” //同步发送字符串
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AT+CIPSEND=5 //出现”>”后可以发送5个字节的二进制数据
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AT+CIPSEND //出现”>”后可以发送以CTRL+Z结尾的字符串
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*/
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String cmd = "AT+CIPSEND=";
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if (Mux) cmd = cmd + index + ",";
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// 数据较短时，直接发送
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/*if (data.Length() < 256)
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{
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// 字符串里面不能有特殊字符
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bool flag = true;
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for (int i = 0; i < data.Length(); i++)
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{
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if (data[i] == '\0' || data[i] == '\"')
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{
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flag = false;
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break;
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}
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}
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if (flag)
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{
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cmd = cmd + data.Length() + ",\"" + data.AsString() + "\"";
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return At.SendCmd(cmd, 1600);
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}
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}*/
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cmd = cmd + data.Length() + "\r\n";
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return SendData(cmd, data);
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/*// 退出传输
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ByteArray end((byte)0x1A, 1);
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At.Send(end.AsString());
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String cmd = "AT+CIPSEND\r\n";
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int i = 0;
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for (i = 0; i < 3; i++)
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{
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//auto rt = _Host.Send(cmd, ">", "OK", 1600);
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// 不能等待OK，而应该等待>，因为发送期间可能给别的指令碰撞
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auto rt = At.Send(cmd, ">", "ERROR", 1600, false);
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if (rt.Contains(">")) break;
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Sys.Sleep(500);
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}
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if (i >= 3)
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{
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// 退出传输
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ByteArray end((byte)0x1A, 1);
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At.Send(end.AsString());
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debug_printf("CIPSEND 已经超过三次 \r\n");
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Linked = false;
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return false;
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}
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At.Send(data.AsString(), 1000, false);
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//String str((byte)0x1A, 16);
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At.Send(end.AsString());
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return At.Send(end.AsString(), "SEND OK", "ERROR", 3000).Contains("SEND OK");*/
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}
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/*void Sim900A::Init(uint msTimeout)
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{
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// ATE0 关闭回显
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// ATE1 开启回显
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SendCmd("ATE0\r");
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Send("AT+CIPSHUT\r");
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SendCmd("AT+CGCLASS=\"B\"\r");
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SendAPN(false);
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SendCmd("AT+CGATT=1\r");
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// 先断开已有连接
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//SendCmd("AT+CIPSHUT\r");
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//设置APN
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SendAPN(true);
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SendCmd("AT+CLPORT=\"UDP\",\"3399\"\r");
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// IP设置方式
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//SendCmd("AT+CIPSTART=\"UDP\",\"183.63.213.113\",\"3388\"\r");
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// 域名设置方式
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SendCmd("AT+CIPMUX=0\r");
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SendCmd("AT+CIPRXGET=1\r");
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SendCmd("AT+CIPQRCLOSE=1\r");
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SendCmd("AT+CIPMODE=0\r");
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//SendCmd("AT+CIPSTART=\"UDP\",\"pm25.peacemoon.cn\",\"3388\"\r", 3000, 3);
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SendDomain();
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// 读取CONNECT OK
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Inited = SendCmd(nullptr, 5000);
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//SendCmd("AT+CIPSHUT\r");
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}*/
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