Update/upgrade OTAWebUpdater.ino example #8839
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| #include <WiFi.h> | ||
| #include <WebServer.h> | ||
| #include <ESPmDNS.h> | ||
| #include <Update.h> | ||
| #include <Ticker.h> | ||
| #include "html.h" | ||
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| #define SSID_FORMAT "ESP32-%06X" // 12 chars total | ||
| //#define PASSWORD "test123456" // generate if remarked | ||
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| WebServer server(80); | ||
| Ticker tkSecond; | ||
| uint8_t otaDone = 0; | ||
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| const char* alphanum = "0123456789!@#$%^&*abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"; | ||
| String generatePass(uint8_t str_len) { | ||
| String buff; | ||
| for(int i = 0; i < str_len; i++) | ||
| buff += alphanum[random(strlen(alphanum)-1)]; | ||
| return buff; | ||
| } | ||
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| void apMode() { | ||
| WiFi.mode(WIFI_AP); | ||
| char ssid[13]; | ||
| char passwd[11]; | ||
| uint32_t espmac = ESP.getEfuseMac() >> 24; | ||
| snprintf(ssid, 13, SSID_FORMAT, espmac); | ||
| #ifdef PASSWORD | ||
| snprintf(passwd, 11, PASSWORD); | ||
| #else | ||
| snprintf(passwd, 11, "%s", generatePass(10).c_str()); | ||
|
There was a problem hiding this comment. i'm not sure why the compiler is complaining about truncation, but I suggest you make There was a problem hiding this comment. The size is actually fairly specific, as it allows you to do a wifi: QR code in a 64 bit square. I'll figure it out. |
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| #endif | ||
| WiFi.softAP(ssid, passwd); // Set up the SoftAP | ||
| MDNS.begin("esp32"); | ||
| Serial.printf("AP: %s, PASS: %s\n", ssid, passwd); | ||
| } | ||
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| void handleUpdateEnd() { | ||
| server.sendHeader("Connection", "close"); | ||
| if (Update.hasError()) { | ||
| server.send(502, "text/plain", Update.errorString()); | ||
| } else { | ||
| server.sendHeader("Refresh", "10"); | ||
| server.sendHeader("Location","/"); | ||
| server.send(307); | ||
| ESP.restart(); | ||
| } | ||
| } | ||
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| void handleUpdate() { | ||
| size_t fsize = UPDATE_SIZE_UNKNOWN; | ||
| if (server.hasArg("size")) fsize = server.arg("size").toInt(); | ||
| HTTPUpload& upload = server.upload(); | ||
| if (upload.status == UPLOAD_FILE_START) { | ||
| Serial.printf("Receiving Update: %s, Size: %d\n", upload.filename.c_str(), fsize); | ||
| if (!Update.begin(fsize)) { | ||
| otaDone = 0; | ||
| Update.printError(Serial); | ||
| } | ||
| } else if (upload.status == UPLOAD_FILE_WRITE) { | ||
| if (Update.write(upload.buf, upload.currentSize) != upload.currentSize) { | ||
| Update.printError(Serial); | ||
| } else { | ||
| otaDone = 100 * Update.progress() / Update.size(); | ||
| } | ||
| } else if (upload.status == UPLOAD_FILE_END) { | ||
| if (Update.end(true)) { | ||
| Serial.printf("Update Success: %u bytes\nRebooting...\n", upload.totalSize); | ||
| } else { | ||
| Serial.printf("%s\n", Update.errorString()); | ||
| otaDone = 0; | ||
| } | ||
| } | ||
| } | ||
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| void webServerInit() { | ||
| server.on("/update", HTTP_POST, [](){handleUpdateEnd();}, [](){handleUpdate();}); | ||
| server.on("/favicon.ico", HTTP_GET, [](){ | ||
| server.sendHeader("Content-Encoding", "gzip"); | ||
| server.send_P(200, "image/x-icon", favicon_ico_gz, favicon_ico_gz_len); | ||
| }); | ||
| server.onNotFound([]() {server.send(200, "text/html", indexHtml);}); | ||
| server.begin(); | ||
| Serial.printf("Web Server ready at http://esp32.local or http://%s\n", WiFi.softAPIP().toString()); | ||
|
There was a problem hiding this comment. WiFi.softAPIP().toString().c_str() |
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| } | ||
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| void everySecond() { | ||
| if (otaDone > 1) Serial.printf("ota: %d%%\n", otaDone); | ||
| } | ||
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| void setup() { | ||
| Serial.begin(115200); | ||
| apMode(); | ||
| webServerInit(); | ||
| tkSecond.attach(1, everySecond); | ||
| } | ||
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| void loop() { | ||
| delay(150); | ||
| server.handleClient(); | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,110 @@ | ||
| // Literal string | ||
| const char* indexHtml = R"literal( | ||
| <!DOCTYPE html> | ||
| <link rel='icon' href='/favicon.ico' sizes='any'> | ||
| <body style='width:480px'> | ||
| <h2>ESP Firmware Update</h2> | ||
| <form method='POST' enctype='multipart/form-data' id='upload-form'> | ||
| <input type='file' id='file' name='update'> | ||
| <input type='submit' value='Update'> | ||
| </form> | ||
| <br> | ||
| <div id='prg' style='width:0;color:white;text-align:center'>0%</div> | ||
| </body> | ||
| <script> | ||
| var prg = document.getElementById('prg'); | ||
| var form = document.getElementById('upload-form'); | ||
| form.addEventListener('submit', el=>{ | ||
| prg.style.backgroundColor = 'blue'; | ||
| el.preventDefault(); | ||
| var data = new FormData(form); | ||
| var req = new XMLHttpRequest(); | ||
| var fsize = document.getElementById('file').files[0].size; | ||
| req.open('POST', '/update?size=' + fsize); | ||
| req.upload.addEventListener('progress', p=>{ | ||
| let w = Math.round(p.loaded/p.total*100) + '%'; | ||
| if(p.lengthComputable){ | ||
| prg.innerHTML = w; | ||
| prg.style.width = w; | ||
| } | ||
| if(w == '100%') prg.style.backgroundColor = 'black'; | ||
| }); | ||
| req.send(data); | ||
| }); | ||
| </script> | ||
| )literal"; | ||
|
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| // Compressed gzip in C include file style | ||
| // listing was created using `xxd -i favicon.ico.gz` | ||
| const char favicon_ico_gz[] = { | ||
| 0x1f, 0x8b, 0x08, 0x08, 0x13, 0xb6, 0xa5, 0x62, 0x00, 0x03, 0x66, 0x61, | ||
| 0x76, 0x69, 0x63, 0x6f, 0x6e, 0x2e, 0x69, 0x63, 0x6f, 0x00, 0xa5, 0x53, | ||
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| 0x53, 0x7e, 0x04, 0x00, 0x00 | ||
| }; | ||
| const int favicon_ico_gz_len = 821; |
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