初始化提交
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王立帮
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/**************************************************************
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* This is a DEMO. You can use it only for development and testing.
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*
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* If you would like to add these features to your product,
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* please contact Blynk for Business:
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*
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* http://www.blynk.io/
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*
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**************************************************************/
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#include <WiFiClient.h>
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WiFiServer server(WIFI_AP_CONFIG_PORT);
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String urlDecode(const String& text);
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String urlFindArg(const String& url, const String& arg);
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enum Request {
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REQ_BOARD_INFO,
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REQ_ROOT,
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REQ_CONFIG,
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REQ_RESET,
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REQ_REBOOT
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};
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const char* config_form = R"html(
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<!DOCTYPE HTML>
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<html>
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<head>
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<title>WiFi setup</title>
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<style>
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body {
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background-color: #fcfcfc;
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box-sizing: border-box;
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}
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body, input {
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font-family: Roboto, sans-serif;
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font-weight: 400;
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font-size: 16px;
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}
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.centered {
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position: fixed;
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top: 50%;
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left: 50%;
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transform: translate(-50%, -50%);
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padding: 20px;
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background-color: #ccc;
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border-radius: 4px;
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}
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td { padding:0 0 0 5px; }
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label { white-space:nowrap; }
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input { width: 20em; }
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input[name="port"] { width: 5em; }
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input[type="submit"], img { margin: auto; display: block; width: 30%; }
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</style>
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</head>
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<body>
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<div class="centered">
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<form method="get" action="config">
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<table>
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<tr><td><label for="ssid">WiFi SSID:</label></td> <td><input type="text" name="ssid" length=64 required="required"></td></tr>
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<tr><td><label for="pass">Password:</label></td> <td><input type="text" name="pass" length=64></td></tr>
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<tr><td><label for="blynk">Auth token:</label></td><td><input type="text" name="blynk" placeholder="a0b1c2d..." pattern="[a-zA-Z0-9]{32}" maxlength="32" required="required"></td></tr>
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<tr><td><label for="host">Host:</label></td> <td><input type="text" name="host" length=64></td></tr>
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<tr><td><label for="port">Port:</label></td> <td><input type="number" name="port" value="80" min="1" max="65535"></td></tr>
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</table><br/>
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<input type="submit" value="Apply">
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</form>
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</div>
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</body>
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</html>
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)html";
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void restartMCU() {
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NVIC_SystemReset();
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}
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void enterConfigMode()
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{
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byte mac[6];
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memset(mac, 0, sizeof(mac));
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WiFi.macAddress(mac);
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uint32_t chipId = *(uint32_t*)(mac+2) & 0xFFFFFF;
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randomSeed(chipId);
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const uint32_t unique = random(0xFFFFF);
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char ssidBuff[64];
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snprintf(ssidBuff, sizeof(ssidBuff), "%s-%05X", PRODUCT_WIFI_SSID, unique);
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WiFi.beginAP(ssidBuff);
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delay(500);
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IPAddress myIP = WiFi.localIP();
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DEBUG_PRINT(String("AP SSID: ") + ssidBuff);
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DEBUG_PRINT(String("AP IP: ") + myIP[0] + "." + myIP[1] + "." + myIP[2] + "." + myIP[3]);
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server.begin();
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while(BlynkState::is(MODE_WAIT_CONFIG)) {
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WiFiClient client = server.available(); // listen for incoming clients
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if (client) { // if you get a client,
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String currentLine = ""; // make a String to hold incoming data from the client
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String config_line = "";
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Request req = REQ_ROOT;
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while (client.connected()) { // loop while the client's connected
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if (client.available()) { // if there's bytes to read from the client,
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char c = client.read(); // read a byte, then
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Serial.write(c); // print it out the serial monitor
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if (c == '\n') { // if the byte is a newline character
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// if the current line is blank, you got two newline characters in a row.
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// that's the end of the client HTTP request, so send a response:
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if (currentLine.length() == 0) {
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String responce = "200 OK";
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String content = "";
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String content_type = "text/html";
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switch(req) {
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case REQ_ROOT: {
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content = config_form;
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} break;
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case REQ_CONFIG: {
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String ssid = urlFindArg(config_line, "ssid");
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String ssidManual = urlFindArg(config_line, "ssidManual");
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String pass = urlFindArg(config_line, "pass");
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if (ssidManual != "") {
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ssid = ssidManual;
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}
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String token = urlFindArg(config_line, "blynk");
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String host = urlFindArg(config_line, "host");
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String port = urlFindArg(config_line, "port");
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DEBUG_PRINT(String("WiFi SSID: ") + ssid + " Pass: " + pass);
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DEBUG_PRINT(String("Blynk cloud: ") + token + " @ " + host + ":" + port);
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if (token.length() == 32 && ssid.length() > 0) {
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configStore.flagConfig = false;
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CopyString(ssid, configStore.wifiSSID);
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CopyString(pass, configStore.wifiPass);
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CopyString(token, configStore.cloudToken);
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if (host.length()) {
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CopyString(host, configStore.cloudHost);
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}
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if (port.length()) {
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configStore.cloudPort = port.toInt();
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}
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content = R"json({"status":"ok","msg":"Configuration saved"})json";
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BlynkState::set(MODE_SWITCH_TO_STA);
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} else {
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DEBUG_PRINT("Configuration invalid");
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content = R"json({"status":"error","msg":"Configuration invalid"})json";
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}
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content_type = "application/json";
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} break;
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case REQ_BOARD_INFO: {
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char buff[256];
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snprintf(buff, sizeof(buff),
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R"json({"board":"%s","vendor":"%s","tmpl_id":"%s","fw_ver":"%s","hw_ver":"%s"})json",
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BOARD_NAME,
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BOARD_VENDOR,
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BOARD_TEMPLATE_ID,
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BOARD_FIRMWARE_VERSION,
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BOARD_HARDWARE_VERSION
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);
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content = buff;
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content_type = "application/json";
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} break;
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case REQ_RESET: {
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BlynkState::set(MODE_RESET_CONFIG);
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content = R"json({"status":"ok","msg":"Configuration reset"})json";
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content_type = "application/json";
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} break;
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case REQ_REBOOT: {
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restartMCU();
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} break;
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}
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client.println("HTTP/1.1 " + responce);
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client.println("Content-type:" + content_type);
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client.println();
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client.println(content);
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// break out of the while loop:
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break;
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} else { // if you got a newline, then clear currentLine:
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currentLine = "";
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}
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} else if (c != '\r') { // if you got anything else but a carriage return character,
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currentLine += c; // add it to the end of the currentLine
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}
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if (currentLine.indexOf("GET /board_info.json") >= 0) {
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req = REQ_BOARD_INFO;
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} else if (currentLine.indexOf(" /config") >= 0) {
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req = REQ_CONFIG;
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int idx = currentLine.indexOf("?");
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config_line = "&" + currentLine.substring(idx+1, currentLine.lastIndexOf(' ')) + "&";
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} else if (currentLine.indexOf(" /reset") >= 0) {
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req = REQ_RESET;
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} else if (currentLine.indexOf(" /reboot") >= 0) {
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req = REQ_REBOOT;
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}
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}
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}
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client.stop();
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}
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}
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}
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String urlDecode(const String& text)
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{
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String decoded = "";
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char temp[] = "0x00";
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unsigned int len = text.length();
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unsigned int i = 0;
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while (i < len) {
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char decodedChar;
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char encodedChar = text.charAt(i++);
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if ((encodedChar == '%') && (i + 1 < len)) {
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temp[2] = text.charAt(i++);
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temp[3] = text.charAt(i++);
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decodedChar = strtol(temp, NULL, 16);
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} else {
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if (encodedChar == '+') {
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decodedChar = ' ';
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} else {
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decodedChar = encodedChar;
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}
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}
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decoded += decodedChar;
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}
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return decoded;
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}
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String urlFindArg(const String& url, const String& arg)
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{
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int s = url.indexOf("&" + arg + "=");
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if (s < 0)
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return "";
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int s_len = arg.length() + 2;
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int e = url.indexOf('&', s + s_len);
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return urlDecode(url.substring(s + s_len, e));
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}
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void enterConnectNet() {
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BlynkState::set(MODE_CONNECTING_NET);
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DEBUG_PRINT(String("Connecting to WiFi: ") + configStore.wifiSSID);
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WiFi.end();
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unsigned long timeoutMs = millis() + WIFI_NET_CONNECT_TIMEOUT;
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while ((timeoutMs > millis()) && (WiFi.status() != WL_CONNECTED))
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{
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WiFi.begin(configStore.wifiSSID, configStore.wifiPass);
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delay(100);
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if (!BlynkState::is(MODE_CONNECTING_NET)) {
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WiFi.disconnect();
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return;
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}
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}
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if (WiFi.status() == WL_CONNECTED) {
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BlynkState::set(MODE_CONNECTING_CLOUD);
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} else {
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BlynkState::set(MODE_ERROR);
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}
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}
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void enterConnectCloud() {
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BlynkState::set(MODE_CONNECTING_CLOUD);
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Blynk.disconnect();
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Blynk.config(configStore.cloudToken, configStore.cloudHost, configStore.cloudPort);
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Blynk.connect(0);
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unsigned long timeoutMs = millis() + WIFI_CLOUD_CONNECT_TIMEOUT;
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while ((timeoutMs > millis()) &&
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(Blynk.connected() == false))
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{
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Blynk.run();
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if (!BlynkState::is(MODE_CONNECTING_CLOUD)) {
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Blynk.disconnect();
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return;
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}
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}
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if (Blynk.connected()) {
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BlynkState::set(MODE_RUNNING);
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if (!configStore.flagConfig) {
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configStore.flagConfig = true;
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config_save();
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DEBUG_PRINT("Configuration stored to flash");
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}
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} else {
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BlynkState::set(MODE_ERROR);
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}
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}
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void enterSwitchToSTA() {
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BlynkState::set(MODE_SWITCH_TO_STA);
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DEBUG_PRINT("Switching to STA...");
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WiFi.end();
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delay(1000);
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BlynkState::set(MODE_CONNECTING_NET);
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}
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void enterError() {
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BlynkState::set(MODE_ERROR);
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unsigned long timeoutMs = millis() + 10000;
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while (timeoutMs > millis() || g_buttonPressed)
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{
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delay(10);
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if (!BlynkState::is(MODE_ERROR)) {
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return;
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}
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}
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DEBUG_PRINT("Restarting after error.");
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delay(10);
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restartMCU();
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}
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