Diff: src/WifiConnectWindow.cpp

Revision:

16:a004191a79ab

Parent:

13:6a6225690c2e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/WifiConnectWindow.cpp	Thu Oct 03 11:40:13 2019 -0500
@@ -0,0 +1,170 @@
+/*******************************************************************************
+* Copyright (C) Maxim Integrated Products, Inc., All Rights Reserved.
+*
+* Permission is hereby granted, free of charge, to any person obtaining a
+* copy of this software and associated documentation files (the "Software"),
+* to deal in the Software without restriction, including without limitation
+* the rights to use, copy, modify, merge, publish, distribute, sublicense,
+* and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included
+* in all copies or substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+* IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
+* OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+* OTHER DEALINGS IN THE SOFTWARE.
+*
+* Except as contained in this notice, the name of Maxim Integrated
+* Products, Inc. shall not be used except as stated in the Maxim Integrated
+* Products, Inc. Branding Policy.
+*
+* The mere transfer of this software does not imply any licenses
+* of trade secrets, proprietary technology, copyrights, patents,
+* trademarks, maskwork rights, or any other form of intellectual
+* property whatsoever. Maxim Integrated Products, Inc. retains all
+* ownership rights.
+*******************************************************************************/
+
+#include <memory>
+#include <mbed-os/features/netsocket/TCPSocket.h>
+#include <mbed-os/platform/mbed_wait_api.h>
+#include "CC3100.hpp"
+#include "DisplayIdWindow.hpp"
+#include "ErrorWindow.hpp"
+#include "MakeFunction.hpp"
+#include "NormalOperationWindow.hpp"
+#include "WifiConnectWindow.hpp"
+#include "WindowManager.hpp"
+
+static const char wifiSsid[] = "MAXREFDES155";
+static const char wifiPassword[] = "maxim1234";
+static const char serverAddress[] = "www.maxim-security.com";
+static const uint16_t serverPort = 3900;
+
+WifiConnectWindow::WifiConnectWindow() : state(NotStarted) {
+  description.setParent(this);
+  description.setText("WiFi SSID: " + std::string(wifiSsid) +
+                      "\nWiFi Password: " + std::string(wifiPassword));
+  description.setWordWrap(true);
+  backButton.setParent(this);
+  backButton.setText("Back");
+  backButton.setClickedHandler(
+      makeFunction(this, &WifiConnectWindow::backButtonClicked));
+  continueButton.setParent(this);
+  continueButton.setText("Connect to WiFi");
+  continueButton.setClickedHandler(
+      makeFunction(this, &WifiConnectWindow::continueButtonClicked));
+  continueButton.setFocused();
+}
+
+void WifiConnectWindow::updated() {
+  switch (state) {
+  case NotStarted:
+    break;
+
+  case PreConnect:
+    backButton.setParent(NULL);
+    continueButton.setParent(NULL);
+    description.setText("Connecting to WiFi network...");
+    state = WiFiConnect;
+    break;
+
+  case WiFiConnect:
+    // Connect to AP.
+    if (CC3100::instance().connect(wifiSsid, wifiPassword,
+                                   NSAPI_SECURITY_WPA2) != 0) {
+      if (windowManager()) {
+        std::auto_ptr<Window> window(new ErrorWindow("WiFi connect failed"));
+        windowManager()->push(window);
+      }
+      break;
+    }
+
+    description.setText("Connecting to server...");
+    state = ServerConnect;
+    break;
+
+  case ServerConnect: {
+    // Get IP address from DNS lookup.
+    SocketAddress socketAddress;
+    if (CC3100::instance().gethostbyname(serverAddress, &socketAddress) != 0) {
+      if (windowManager()) {
+        std::auto_ptr<Window> window(new ErrorWindow("Hostname lookup failed"));
+        windowManager()->push(window);
+      }
+      break;
+    }
+
+    // Open socket connection.
+    std::auto_ptr<TCPSocket> socket(new TCPSocket(&CC3100::instance()));
+    socket->set_blocking(false);
+    socketAddress.set_port(serverPort);
+    if (socket->connect(socketAddress) != 0) {
+      if (windowManager()) {
+        std::auto_ptr<Window> window(new ErrorWindow("Socket connect failed"));
+        windowManager()->push(window);
+      }
+      break;
+    }
+
+    if (windowManager()) {
+      windowManager()->pop();
+      std::auto_ptr<Window> window(new NormalOperationWindow(socket));
+      windowManager()->push(window);
+    }
+    break;
+  }
+  }
+}
+
+void WifiConnectWindow::resized() {
+  backButton.resize(backButton.preferredWidth(),
+                    backButton.preferredHeight());
+  backButton.move(0, height() - backButton.height());
+  continueButton.resize(continueButton.preferredWidth(),
+                        continueButton.preferredHeight());
+  continueButton.move(width() - continueButton.width(),
+                      height() - continueButton.height());
+  description.resize(width(),
+                     std::min(backButton.y(), continueButton.y()));
+}
+
+bool WifiConnectWindow::doProcessKey(Key key) {
+  bool handled;
+  switch (key) {
+  case LeftKey:
+    backButton.setFocused();
+    handled = true;
+    break;
+
+  case RightKey:
+    continueButton.setFocused();
+    handled = true;
+    break;
+
+  default:
+    handled = false;
+    break;
+  }
+  return handled;
+}
+
+void WifiConnectWindow::continueButtonClicked(Button *) {
+  if (state == NotStarted) {
+    state = PreConnect;
+  }
+}
+
+void WifiConnectWindow::backButtonClicked(Button *) {
+  if (windowManager()) {
+    windowManager()->pop();
+    std::auto_ptr<Window> window(
+        new DisplayIdWindow(DisplayIdWindow::PreConnectMode));
+    windowManager()->push(window);
+  }
+}