859 lines
16 KiB
C++
859 lines
16 KiB
C++
#include "Kernel\Sys.h"
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#include "Kernel\Task.h"
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#include "Kernel\TTime.h"
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#include "Device\SerialPort.h"
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#include "Esp8266.h"
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#include "EspTcp.h"
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#include "EspUdp.h"
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#include "Config.h"
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#include "App\FlushPort.h"
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#define NET_DEBUG DEBUG
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//#define NET_DEBUG 0
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#if NET_DEBUG
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#define net_printf debug_printf
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#else
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#define net_printf(format, ...)
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#endif
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void LoadStationTask(void* param);
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/*
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注意事项
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1、设置模式AT+CWMODE需要重启后生效AT+RST
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2、AP模式下查询本机IP无效，可能会造成死机
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3、开启server需要多连接作为基础AT+CIPMUX=1
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4、单连接模式，多连接模式 收发数据有参数个数区别
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*/
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/******************************** Esp8266 ********************************/
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Esp8266::Esp8266()
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{
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Name = "Esp8266";
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Speed = 54;
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_task = 0;
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Led = nullptr;
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Buffer(Sockets, 5 * 4).Clear();
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Mode = NetworkType::STA_AP;
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WorkMode = NetworkType::STA_AP;
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At.DataKey = "+IPD,";
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InitConfig();
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LoadConfig();
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// 配置模式作为工作模式
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WorkMode = Mode;
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}
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Esp8266::~Esp8266()
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{
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RemoveLed();
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}
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void Esp8266::Init(COM idx, int baudrate)
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{
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At.Init(idx, baudrate);
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}
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void Esp8266::Init(ITransport* port)
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{
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At.Init(port);
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}
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void Esp8266::Set(Pin power, Pin rst, Pin low)
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{
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// 电源、重置、低功耗 均不需要倒置，内部true代表高电平。保险期间，设计电路时需要电源脚下拉、重置脚上拉
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if (power != P0) _Power.Init(power, false);
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if (rst != P0) _Reset.Init(rst, false);
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if (low != P0) _LowPower.Init(low, false);
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}
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void Esp8266::SetLed(Pin led)
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{
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if (led != P0)
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{
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auto port = new OutputPort(led);
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SetLed(*port);
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}
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}
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void Esp8266::SetLed(OutputPort& led)
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{
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auto fp = new FlushPort();
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fp->Port = &led;
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fp->Start();
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Led = fp;
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}
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void Esp8266::RemoveLed()
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{
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if (Led)delete (FlushPort*)Led;
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Led = nullptr;
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}
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bool Esp8266::OnOpen()
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{
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if (!At.Open()) return false;
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if (!_Power.Empty())
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{
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_Power.Open();
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//_Power.Down(20);
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_Power = true;
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}
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if (!_Reset.Empty())
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{
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_Reset.Open();
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_Reset = true;
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}
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debug_printf("Esp8266::OnOpen Power=%d Reset=%d \r\n", _Power.ReadInput(), _Reset.ReadInput());
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// 模块上电后就可以测试通过AT指令，但是其它功能需要等到出现ready才可以使用
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//if (!Test(1, 1000) && !CheckReady())
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if (!CheckReady())
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{
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net_printf("Esp8266::Open 打开失败！");
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return false;
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}
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// 开回显
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Echo(true);
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#if NET_DEBUG
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// 获取版本
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GetVersion();
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//auto ver = GetVersion();
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//net_printf("版本:");
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//ver.Show(true);
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#endif
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auto mode = WorkMode;
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// 默认Both
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if (mode == NetworkType::Wire) mode = NetworkType::STA_AP;
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if (GetMode() != mode)
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{
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if (!SetMode(mode))
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{
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net_printf("设置Station模式失败！");
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return false;
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}
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mode = WorkMode;
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}
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Config();
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SetDHCP(mode, true);
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if (!_task) _task = Sys.AddTask(&Esp8266::Process, this, -1, -1, "Esp8266");
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At.Received.Bind(&Esp8266::OnReceive, this);
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return true;
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}
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bool Esp8266::CheckReady()
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{
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// 有可能是热重启
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//bool at = Test(1, 500);
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// 如果已连接，不需要再次重启
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//if (at) return true;
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// 每两次启动会有一次打开失败，交替
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if (!_Reset.Empty())
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Reset(false); // 硬重启
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else
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Reset(true); // 软件重启命令
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for (int i = 0; i < 2; i++)
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{
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if (i > 0) Restore();
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// 等待模块启动进入就绪状态
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if (At.WaitForCmd("ready", 3000) && Test(2, 500)) return true;
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}
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return false;
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}
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void Esp8266::OpenAP()
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{
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// 未组网时，打开AP，WsLink-xxxxxx
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// 已组网是，STA_AP打开AP，Ws-123456789ABC
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net_printf("启动AP!\r\n");
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String name;
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bool join = SSID && *SSID;
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if (!join || *SSID == "WSWL")
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name = name + "WsLink-" + Buffer(Sys.ID, 3).ToHex();
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else
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// 这里需要等系统配置完成，修改为设备编码
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name = name + "WS-" + Sys.Name;
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int chn = (Sys.Ms() % 14) + 1;
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SetAP(name, "", chn);
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#if NET_DEBUG
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//Sys.AddTask(LoadStationTask, this, 10000, 10000, "LoadSTA");
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#endif
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}
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void Esp8266::OnClose()
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{
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// 断电
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_Power = false;
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if (_task) Sys.RemoveTask(_task);
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At.Close();
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_Power.Close();
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_Reset.Close();
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}
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bool Esp8266::OnLink(uint retry)
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{
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//if(Linked) return true;
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debug_printf("Esp8266::OnLink\r\n");
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GetJoinAP();
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// 获取IP地址，如果成功，说明已经连上WiFi，无需重新连接
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auto ip = GetIP(true);
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if (!ip.IsAny()) return true;
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bool join = SSID && *SSID;
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// 等待WiFi自动连接
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//if (!At.WaitForCmd("WIFI CONNECTED", 3000))
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if (!At.WaitForCmd("WIFI GOT IP", 3000))
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{
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auto mode = WorkMode;
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// 默认Both
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if (mode == NetworkType::Wire) mode = NetworkType::STA_AP;
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if (!join || mode == NetworkType::STA_AP) OpenAP();
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if (join)
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{
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if (!JoinAP(*SSID, *Pass)) return false;
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GetJoinAP();
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ShowConfig();
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SaveConfig();
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}
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}
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return true;
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}
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// 配置网络参数
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bool Esp8266::Config()
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{
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// 设置多连接
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SetMux(true);
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// 设置IPD
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SetIPD(true);
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auto mac = Mac;
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SetMAC(true, mac);
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mac[5]++;
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SetMAC(false, mac);
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//SetAutoConn(AutoConn);
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return true;
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}
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Socket* Esp8266::CreateSocket(NetType type)
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{
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auto es = (EspSocket**)Sockets;
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int i = 0;
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for (i = 0; i < 5; i++)
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{
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if (es[i] == nullptr) break;
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}
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if (i >= 5)
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{
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net_printf("没有空余的Socket可用了 !\r\n");
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return nullptr;
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}
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switch (type)
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{
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case NetType::Tcp:
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return es[i] = new EspTcp(*this, i);
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case NetType::Udp:
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return es[i] = new EspUdp(*this, i);
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default:
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return nullptr;
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}
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}
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// 启用DNS
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bool Esp8266::EnableDNS() { return true; }
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// 启用DHCP
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bool Esp8266::EnableDHCP()
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{
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if (!Opened) return false;
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if (!SetDHCP(NetworkType::STA_AP, true)) return false;
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return true;
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}
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// 数据到达
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void Esp8266::Process()
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{
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if (_Buffer.Length() <= 1) return;
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byte idx = _Buffer[0];
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if (idx >= ArrayLength(Sockets)) return;
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// 分发给各个Socket
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auto es = (EspSocket**)Sockets;
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auto sk = es[idx];
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if (sk)
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{
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auto data = _Buffer.Sub(1, -1);
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_Buffer.SetLength(0);
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sk->OnProcess(data, _Remote);
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}
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// 清零长度，其它数据包才可能进来
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_Buffer.SetLength(0);
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}
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/*
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+IPD – 接收网络数据
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1) 单连接时:
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(+CIPMUX=0)
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+IPD,<len>[,<remote IP>,<remote
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port>]:<data>
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2) 多连接时：
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(+CIPMUX=1)
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+IPD,<link ID>,<len>[,<remote IP>,<remote port>]:<data>
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*/
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// 分析+IPD接收数据。返回被用掉的字节数
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void Esp8266::OnReceive(Buffer& bs)
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{
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TS("Esp8266::OnReceive");
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auto str = bs.AsString();
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StringSplit sp(str, ",");
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// 第一段
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auto rs = sp.Next();
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if (!rs) return;
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int idx = rs.ToInt();
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if (idx < 0 || idx > 4) return;
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if (!(rs = sp.Next())) return;
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int len = rs.ToInt();
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IPEndPoint ep;
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if (!(rs = sp.Next())) return;
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ep.Address = IPAddress::Parse(rs);
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// 提前改变下一个分隔符
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sp.Sep = ":";
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if (!(rs = sp.Next())) return;
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ep.Port = rs.ToInt();
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// 后面是数据
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sp.Next();
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int s = sp.Position;
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if (s <= 0) return;
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// 校验数据长度
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int len2 = len;
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int remain = bs.Length() - s;
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if (remain < len2)
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{
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len2 = remain;
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net_printf("剩余数据长度 %d 小于标称长度 %d \r\n", remain, len);
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}
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//sk->OnProcess(bs.Sub(s, len2), ep);
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// 如果有数据包正在处理，则丢弃
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if (_Buffer.Length() > 0)
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{
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#if NET_DEBUG
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net_printf("已有数据包 %d 字节正在处理，丢弃当前数据包 %d 字节 \r\n处理：", _Buffer.Length(), len2);
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_Buffer.Show(true);
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net_printf("当前：");
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bs.Sub(s, len2).Show(true);
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#endif
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}
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else
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{
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_Remote = ep;
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// 第一字节放Socket索引，数据包放在后面
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_Buffer.SetAt(0, idx);
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_Buffer.Copy(1, bs, s, len2);
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Sys.SetTask(_task, true, 0);
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}
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}
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/******************************** 基础AT指令 ********************************/
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// 基础AT指令
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bool Esp8266::Test(int times, int interval)
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{
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// 避免在循环内部频繁构造和析构
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String cmd = "AT";
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for (int i = 0; i < times; i++)
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{
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if (i > 0) Reset(false);
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if (At.SendCmd(cmd, interval)) return true;
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}
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return false;
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}
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bool Esp8266::Reset(bool soft)
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{
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if (soft) return At.SendCmd("AT+RST");
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_Reset.Down(100);
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return true;
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}
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/*
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AT 版本信息
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基于的SDK版本信息
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编译生成时间
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*/
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String Esp8266::GetVersion()
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{
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return At.Send("AT+GMR");
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}
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bool Esp8266::Sleep(uint ms)
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{
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String cmd = "AT+GSLP=";
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cmd += ms;
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return At.SendCmd(cmd);
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}
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bool Esp8266::Echo(bool open)
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{
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String cmd = "ATE";
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cmd = cmd + (open ? '1' : '0');
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return At.SendCmd(cmd);
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}
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// 恢复出厂设置，将擦写所有保存到Flash的参数，恢复为默认参数。会导致模块重启
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bool Esp8266::Restore()
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{
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return At.SendCmd("AT+RESTORE");
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}
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/******************************** Esp8266 ********************************/
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/*
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发送：
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"AT+CWMODE=1
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"
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返回：
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"AT+CWMODE=1
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OK
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"
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*/
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bool Esp8266::SetMode(NetworkType mode)
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{
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String cmd = "AT+CWMODE=";
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cmd += (byte)mode;
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if (!At.SendCmd(cmd)) return false;
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WorkMode = mode;
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return true;
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}
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/*
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发送：
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"AT+CWMODE?
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"
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返回：
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"AT+CWMODE? +CWMODE:1
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OK
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"
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*/
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NetworkType Esp8266::GetMode()
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{
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TS("Esp8266::GetMode");
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auto mod = NetworkType::Station;
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auto rs = At.Send("AT+CWMODE?");
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if (!rs) return mod;
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int p = rs.IndexOf(':');
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if (p < 0) return mod;
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return (NetworkType)rs.Substring(p + 1, 1).ToInt();
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}
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// +CWJAP:<ssid>,<bssid>,<channel>,<rssi>
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// <bssid>目标AP的MAC地址
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String Esp8266::GetJoinAP()
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{
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return At.Send("AT+CWJAP?");
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}
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/*
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发送：
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"AT+CWJAP="yws007','yws52718"
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"
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返回： ( 一般3秒钟能搞定 密码后面位置会停顿， WIFI GOT IP 前面也会停顿 )
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"AT+CWJAP="yws007','yws52718"WIFI CONNECTED
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WIFI GOT IP
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OK
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"
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也可能 (已连接其他WIFI) 70bytes
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"AT+CWJAP="yws007','yws52718" WIFI DISCONNECT
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WIFI CONNECTED
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WIFI GOT IP
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OK
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"
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密码错误返回
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"AT+CWJAP="yws007','7" +CWJAP:1
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FAIL
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"
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*/
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bool Esp8266::JoinAP(const String& ssid, const String& pass)
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{
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#if NET_DEBUG
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TimeCost tc;
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#endif
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String cmd = "AT+CWJAP=";
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cmd = cmd + "\"" + ssid + "\",\"" + pass + "\"";
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bool rs = At.SendCmd(cmd, 15000);
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#if NET_DEBUG
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net_printf("Esp8266::JoinAP ");
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if (rs)
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net_printf("成功 ");
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else
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net_printf("失败 ");
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tc.Show();
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#endif
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return rs;
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}
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/*
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返回：
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"AT+CWQAP WIFI DISCONNECT
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OK
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"
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*/
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bool Esp8266::UnJoinAP()
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{
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return At.SendCmd("AT+CWQAP", 2000);
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}
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/*
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开机自动连接WIFI
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*/
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bool Esp8266::SetAutoConn(bool enable)
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{
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String cmd = "AT+CWAUTOCONN=";
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return At.SendCmd(cmd + (enable ? '1' : '0'));
|
||
}
|
||
|
||
// +CWLAP:<enc>,<ssid>,<rssi>,<mac>,<ch>,<freq offset>,<freq calibration>
|
||
// freq offset, AP频偏，单位kHz，转为成ppm需要除以2.4
|
||
// freq calibration，频偏校准值
|
||
String Esp8266::LoadAPs()
|
||
{
|
||
return At.Send("AT+CWLAP");
|
||
}
|
||
|
||
// +CWSAP:<ssid>,<pwd>,<chl>,<ecn>,<max conn>,<ssid hidden>
|
||
String Esp8266::GetAP()
|
||
{
|
||
return At.Send("AT+CWSAP");
|
||
}
|
||
|
||
/*
|
||
注意: 指令只有在 softAP 模式开启后有效
|
||
参数说明：
|
||
<ssid> 字符串参数，接入点名称
|
||
<pwd> 字符串参数，密码强度范围：8 ~ 64 字节 ASCII
|
||
<chl> 通道号
|
||
<ecn> 加密方式，不支持 WEP
|
||
0 OPEN
|
||
2 WPA_PSK
|
||
3 WPA2_PSK
|
||
4 WPA_WPA2_PSK
|
||
<max conn> 允许连接 ESP8266 soft-AP 的最多 station 数目
|
||
取值范围 [1, 4]
|
||
<ssid hidden> 默认为 0，开启广播 ESP8266 soft-AP SSID
|
||
0 广播 SSID
|
||
1 不广播 SSID
|
||
*/
|
||
bool Esp8266::SetAP(const String& ssid, const String& pass, byte channel, byte ecn, byte maxConnect, bool hidden)
|
||
{
|
||
String cmd = "AT+CWSAP=";
|
||
cmd = cmd + "\"" + ssid + "\",\"" + pass + "\"," + channel + ',' + ecn /*+ ',' + maxConnect + ',' + (hidden ? '1' : '0')*/;
|
||
|
||
return At.SendCmd(cmd, 1600);
|
||
}
|
||
|
||
// <ip addr>,<mac>
|
||
// 查询连接到AP的Stations信息。无法查询DHCP接入
|
||
String Esp8266::LoadStations()
|
||
{
|
||
return At.Send("AT+CWLIF");
|
||
}
|
||
|
||
bool Esp8266::GetDHCP(bool* sta, bool* ap)
|
||
{
|
||
auto rs = At.Send("AT+CWDHCP?");
|
||
if (!rs) return false;
|
||
|
||
byte n = rs.ToInt();
|
||
*sta = n & 0x01;
|
||
*ap = n & 0x02;
|
||
|
||
return true;
|
||
}
|
||
|
||
bool Esp8266::SetDHCP(NetworkType mode, bool enable)
|
||
{
|
||
byte m = 0;
|
||
switch (mode)
|
||
{
|
||
case NetworkType::Station:
|
||
m = 1;
|
||
break;
|
||
case NetworkType::AP:
|
||
m = 0;
|
||
break;
|
||
case NetworkType::STA_AP:
|
||
m = 2;
|
||
break;
|
||
default:
|
||
return false;
|
||
}
|
||
|
||
String cmd = "AT+CWDHCP=";
|
||
String n = enable ? "1" : "0";
|
||
|
||
return At.SendCmd(cmd + m + ',' + n);
|
||
}
|
||
|
||
MacAddress Esp8266::GetMAC(bool sta)
|
||
{
|
||
auto rs = At.Send(sta ? "AT+CIPSTAMAC?" : "AT+CIPAPMAC?");
|
||
int p = rs.IndexOf(':');
|
||
if (p < 0) return MacAddress::Empty();
|
||
|
||
return MacAddress::Parse(rs.Substring(p + 1, -1));
|
||
}
|
||
|
||
// 设置MAC会导致WiFi连接断开
|
||
bool Esp8266::SetMAC(bool sta, const MacAddress& mac)
|
||
{
|
||
String cmd = sta ? "AT+CIPSTAMAC" : "AT+CIPAPMAC";
|
||
cmd = cmd + "=\"" + mac.ToString().Replace('-', ':') + '\"';
|
||
|
||
return At.SendCmd(cmd);
|
||
}
|
||
|
||
IPAddress Esp8266::GetIP(bool sta)
|
||
{
|
||
auto rs = At.Send(sta ? "AT+CIPSTA?" : "AT+CIPAP?");
|
||
int p = rs.IndexOf("ip:\"");
|
||
if (p < 0) return IPAddress::Any();
|
||
|
||
p += 4;
|
||
int e = rs.IndexOf("\"", p);
|
||
if (e < 0) return IPAddress::Any();
|
||
|
||
return IPAddress::Parse(rs.Substring(p, e - p));
|
||
}
|
||
|
||
/******************************** TCP/IP ********************************/
|
||
|
||
/*
|
||
STATUS:<stat>
|
||
+CIPSTATUS:<link ID>,<type>,<remote IP>,<remote port> ,<local port>,<tetype>
|
||
|
||
参数说明：
|
||
<stat>
|
||
2：获得 IP
|
||
3：已连接
|
||
4：断开连接
|
||
5：未连接到 WiFi
|
||
<link ID> ⺴˷ 络连接 ID (0~4)，⽤ݒ于多连接的情况
|
||
<type> 字符串参数， “TCP” 或者 “UDP”
|
||
<remote IP> 字符串，远端 IP 地址
|
||
<remote port> 远端端⼝Ծ值
|
||
<local port> ESP8266 本地端⼝Ծ值
|
||
<tetype>
|
||
0: ESP8266 作为 client
|
||
1: ESP8266 作为 server
|
||
*/
|
||
String Esp8266::GetStatus()
|
||
{
|
||
return At.Send("AT+CIPSTATUS?");
|
||
}
|
||
|
||
bool Esp8266::GetMux()
|
||
{
|
||
auto rs = At.Send("AT+CIPMUX?");
|
||
int p = rs.IndexOf(':');
|
||
if (p < 0) return false;
|
||
|
||
return rs.Substring(p + 1, 1) != "0";
|
||
}
|
||
|
||
bool Esp8266::SetMux(bool enable)
|
||
{
|
||
String cmd = "AT+CIPMUX=";
|
||
return At.SendCmd(cmd + (enable ? '1' : '0'));
|
||
}
|
||
|
||
bool Esp8266::Update()
|
||
{
|
||
return At.SendCmd("AT+CIPUPDATE");
|
||
}
|
||
|
||
bool Esp8266::Ping(const IPAddress& ip)
|
||
{
|
||
String cmd = "AT+PING=";
|
||
|
||
return At.SendCmd(cmd + ip);
|
||
}
|
||
|
||
bool Esp8266::SetIPD(bool enable)
|
||
{
|
||
String cmd = "AT+CIPDINFO=";
|
||
return At.SendCmd(cmd + (enable ? '1' : '0'));
|
||
}
|
||
|
||
void LoadStationTask(void* param)
|
||
{
|
||
auto& esp = *(Esp8266*)param;
|
||
if (esp.Opened) esp.LoadStations();
|
||
}
|
||
|
||
/******************************** Invoke指令 ********************************/
|
||
// 设置无线组网密码。匹配令牌协议
|
||
bool Esp8266::SetWiFi(const Pair& args, Stream& result)
|
||
{
|
||
String ssid;
|
||
String pass;
|
||
|
||
if (!args.Get("ssid", ssid)) return false;
|
||
if (!args.Get("pass", pass)) // 获取失败 直接给0的长度
|
||
{
|
||
pass.Clear();
|
||
pass.SetLength(0);
|
||
// return false;
|
||
}
|
||
|
||
// 现有密码与设置密码不一致才写FLASH
|
||
if (*SSID != ssid || *Pass != pass)
|
||
{
|
||
// 保存密码
|
||
*SSID = ssid;
|
||
*Pass = pass;
|
||
Mode = NetworkType::Station;
|
||
SaveConfig();
|
||
|
||
Sys.AddTask([](void* param) {
|
||
auto esp = (Esp8266*)param;
|
||
|
||
// 断开连接并恢复出厂设置
|
||
esp->UnJoinAP();
|
||
esp->Restore();
|
||
|
||
// 延迟重启
|
||
Sys.Reboot(1000);
|
||
}, this, 5000, -1, "SetWiFi");
|
||
}
|
||
|
||
// Sleep跳出去处理其他的
|
||
// 让JoinAp相关的东西数据先处理掉 然后再去回复 较少处理数据冲突的情况。
|
||
Sys.Sleep(150);
|
||
|
||
// 返回结果
|
||
result.Write((byte)true);
|
||
|
||
return true;
|
||
}
|
||
|
||
// 获取WIFI名称
|
||
bool Esp8266::GetWiFi(const Pair& args, Stream& result)
|
||
{
|
||
// 返回结果
|
||
result.Write(*SSID);
|
||
|
||
return true;
|
||
}
|
||
|
||
void Esp8266::GetAPsTask()
|
||
{
|
||
if (APs == nullptr) APs = new String();
|
||
APs->Clear();
|
||
*APs = LoadAPs();
|
||
}
|
||
|
||
bool Esp8266::GetAPs(const Pair& args, Stream& result)
|
||
{
|
||
bool rt = false;
|
||
|
||
if (APs && APs->Length())
|
||
{
|
||
Buffer buf((void*)APs->GetBuffer(), APs->Length());
|
||
result.Write(buf);
|
||
APs->Clear();
|
||
// delete APs;
|
||
rt = true;
|
||
}
|
||
else
|
||
{
|
||
result.Write((byte)false);
|
||
rt = false;
|
||
}
|
||
|
||
// 只运行一次
|
||
Sys.AddTask(&Esp8266::GetAPsTask, this, 0, -1, "GetAPs");
|
||
|
||
return rt;
|
||
}
|
||
|