joe/PlatformIO_SSD1306_i2c
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just some reformatting - no code changes

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This commit is contained in:
Joe Tretter
2022-07-05 14:18:19 -05:00
parent 3da4eac62b
commit 655099ab64
1 changed files with 127 additions and 119 deletions
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230
src/main.cpp
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@@ -1,28 +1,29 @@
// Example posting to display:
// curl -XPOST --data-binary @- -H 'Content-Type:text/plain' http://esp32oled.local/oled
// curl -XPOST --data-binary @- -H 'Content-Type:text/plain'
// http://esp32oled.local/oled
// I connected SCK to D22 and SDA to D21
#include <Arduino.h>
#include <Adafruit_I2CDevice.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_I2CDevice.h>
#include <Adafruit_SSD1306.h>
#include <Arduino.h>
#include <ArduinoJson.h>
#include <ESPmDNS.h>
#include <PubSubClient.h>
#include <Update.h>
#include <WebServer.h>
#include <WiFi.h>
#include <WiFiClient.h>
#include <WebServer.h>
#include <ESPmDNS.h>
#include <Update.h>
#include <Wire.h>
#include <uri/UriBraces.h>
#include <PubSubClient.h>
#include <ArduinoJson.h>
const char* mqtt_server = "mqtt.ddns.kawomi.com";
WiFiClient espClient;
PubSubClient client(espClient);
unsigned long lastMsg = 0;
#define MSG_BUFFER_SIZE (50)
#define MSG_BUFFER_SIZE (50)
char msg[MSG_BUFFER_SIZE];
const char* host = "esp32oled";
@@ -32,8 +33,8 @@ const char* password = "Paris2016";
WebServer server(80);
// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);
@@ -42,33 +43,33 @@ Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);
*/
const char* loginIndex =
"<form name='loginForm'>"
"<form name='loginForm'>"
"<table width='20%' bgcolor='A09F9F' align='center'>"
"<tr>"
"<td colspan=2>"
"<center><font size=4><b>ESP32 Login Page</b></font></center>"
"<br>"
"</td>"
"<br>"
"<br>"
"</tr>"
"<td>Username:</td>"
"<td><input type='text' size=25 name='userid'><br></td>"
"</tr>"
"<br>"
"<br>"
"<tr>"
"<td>Password:</td>"
"<td><input type='Password' size=25 name='pwd'><br></td>"
"<br>"
"<br>"
"</tr>"
"<tr>"
"<td><input type='submit' onclick='check(this.form)' value='Login'></td>"
"</tr>"
"<tr>"
"<td colspan=2>"
"<center><font size=4><b>ESP32 Login Page</b></font></center>"
"<br>"
"</td>"
"<br>"
"<br>"
"</tr>"
"<td>Username:</td>"
"<td><input type='text' size=25 name='userid'><br></td>"
"</tr>"
"<br>"
"<br>"
"<tr>"
"<td>Password:</td>"
"<td><input type='Password' size=25 name='pwd'><br></td>"
"<br>"
"<br>"
"</tr>"
"<tr>"
"<td><input type='submit' onclick='check(this.form)' value='Login'></td>"
"</tr>"
"</table>"
"</form>"
"<script>"
"</form>"
"<script>"
"function check(form)"
"{"
"if(form.userid.value=='admin' && form.pwd.value=='admin')"
@@ -80,49 +81,51 @@ const char* loginIndex =
" alert('Error Password or Username')/*displays error message*/"
"}"
"}"
"</script>";
"</script>";
/*
* Server Index Page
*/
const char* serverIndex =
"<script src='https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js'></script>"
"<form method='POST' action='#' enctype='multipart/form-data' id='upload_form'>"
"<input type='file' name='update'>"
"<input type='submit' value='Update'>"
"<script "
"src='https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js'></"
"script>"
"<form method='POST' action='#' enctype='multipart/form-data' "
"id='upload_form'>"
"<input type='file' name='update'>"
"<input type='submit' value='Update'>"
"</form>"
"<div id='prg'>progress: 0%</div>"
"<script>"
"$('form').submit(function(e){"
"e.preventDefault();"
"var form = $('#upload_form')[0];"
"var data = new FormData(form);"
" $.ajax({"
"url: '/update',"
"type: 'POST',"
"data: data,"
"contentType: false,"
"processData:false,"
"xhr: function() {"
"var xhr = new window.XMLHttpRequest();"
"xhr.upload.addEventListener('progress', function(evt) {"
"if (evt.lengthComputable) {"
"var per = evt.loaded / evt.total;"
"$('#prg').html('progress: ' + Math.round(per*100) + '%');"
"}"
"}, false);"
"return xhr;"
"},"
"success:function(d, s) {"
"console.log('success!')"
"},"
"error: function (a, b, c) {"
"}"
"});"
"});"
"</script>";
"<div id='prg'>progress: 0%</div>"
"<script>"
"$('form').submit(function(e){"
"e.preventDefault();"
"var form = $('#upload_form')[0];"
"var data = new FormData(form);"
" $.ajax({"
"url: '/update',"
"type: 'POST',"
"data: data,"
"contentType: false,"
"processData:false,"
"xhr: function() {"
"var xhr = new window.XMLHttpRequest();"
"xhr.upload.addEventListener('progress', function(evt) {"
"if (evt.lengthComputable) {"
"var per = evt.loaded / evt.total;"
"$('#prg').html('progress: ' + Math.round(per*100) + '%');"
"}"
"}, false);"
"return xhr;"
"},"
"success:function(d, s) {"
"console.log('success!')"
"},"
"error: function (a, b, c) {"
"}"
"});"
"});"
"</script>";
void reconnect() {
// Loop until we're reconnected
@@ -150,7 +153,7 @@ void callback(char* topic, byte* payload, unsigned int length) {
Serial.print("Message arrived [");
Serial.print(topic);
String recBuf="";
String recBuf = "";
Serial.print("] ");
for (int i = 0; i < length; i++) {
recBuf += (char)payload[i];
@@ -158,9 +161,9 @@ void callback(char* topic, byte* payload, unsigned int length) {
Serial.println(recBuf);
StaticJsonDocument<1024> jsonDoc;
deserializeJson(jsonDoc,recBuf);
const char* theText=jsonDoc["text"];
int theSize=jsonDoc["size"];
deserializeJson(jsonDoc, recBuf);
const char* theText = jsonDoc["text"];
int theSize = jsonDoc["size"];
display.setCursor(40, 0);
display.setTextSize(9);
@@ -175,8 +178,7 @@ void callback(char* topic, byte* payload, unsigned int length) {
display.display();
}
void writeToOled(String text){
void writeToOled(String text) {
display.clearDisplay();
display.setTextColor(WHITE);
display.setCursor(0, 0);
@@ -193,9 +195,10 @@ void setup(void) {
delay(2000);
Serial.println("STARTUP");
if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Address 0x3D for 128x64
if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Address 0x3D for 128x64
Serial.println(F("SSD1306 allocation failed"));
for(;;);
for (;;)
;
}
delay(2000);
@@ -206,18 +209,18 @@ void setup(void) {
WiFi.begin(ssid, password);
Serial.println("");
// Wait for connection or reboot if it doesn't connect for too long
// Wait for connection or reboot if it doesn't connect for too long
uint32_t wifiConnAttements = 0;
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
if (wifiConnAttements++ > 120) {
Serial.println("<Wifi not connecting after 120 attmepts (1 min.) - rebooting>");
Serial.println(
"<Wifi not connecting after 120 attmepts (1 min.) - rebooting>");
ESP.restart();
}
}
Serial.println("");
Serial.print("Connected to ");
Serial.println(ssid);
@@ -225,7 +228,7 @@ void setup(void) {
Serial.println(WiFi.localIP());
/*use mdns for host name resolution*/
if (!MDNS.begin(host)) { //http://esp32ota.local
if (!MDNS.begin(host)) { // http://esp32ota.local
Serial.println("Error setting up MDNS responder!");
while (1) {
delay(1000);
@@ -254,37 +257,43 @@ void setup(void) {
server.send(200, "text/html", text);
});
/*handling uploading firmware file */
server.on("/update", HTTP_POST, []() {
server.sendHeader("Connection", "close");
server.send(200, "text/plain", (Update.hasError()) ? "FAIL" : "OK");
ESP.restart();
}, []() {
HTTPUpload& upload = server.upload();
if (upload.status == UPLOAD_FILE_START) {
Serial.printf("Update: %s\n", upload.filename.c_str());
if (!Update.begin(UPDATE_SIZE_UNKNOWN)) { //start with max available size
Update.printError(Serial);
}
} else if (upload.status == UPLOAD_FILE_WRITE) {
/* flashing firmware to ESP*/
if (Update.write(upload.buf, upload.currentSize) != upload.currentSize) {
Update.printError(Serial);
}
} else if (upload.status == UPLOAD_FILE_END) {
if (Update.end(true)) { //true to set the size to the current progress
Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
} else {
Update.printError(Serial);
}
}
});
server.on(
"/update", HTTP_POST,
[]() {
server.sendHeader("Connection", "close");
server.send(200, "text/plain", (Update.hasError()) ? "FAIL" : "OK");
ESP.restart();
},
[]() {
HTTPUpload& upload = server.upload();
if (upload.status == UPLOAD_FILE_START) {
Serial.printf("Update: %s\n", upload.filename.c_str());
if (!Update.begin(
UPDATE_SIZE_UNKNOWN)) { // start with max available size
Update.printError(Serial);
}
} else if (upload.status == UPLOAD_FILE_WRITE) {
/* flashing firmware to ESP*/
if (Update.write(upload.buf, upload.currentSize) !=
upload.currentSize) {
Update.printError(Serial);
}
} else if (upload.status == UPLOAD_FILE_END) {
if (Update.end(
true)) { // true to set the size to the current progress
Serial.printf("Update Success: %u\nRebooting...\n",
upload.totalSize);
} else {
Update.printError(Serial);
}
}
});
server.begin();
client.setServer(mqtt_server, 1883);
client.setCallback(callback);
writeToOled("Ready.");
}
void loop(void) {
@@ -295,5 +304,4 @@ void loop(void) {
reconnect();
}
client.loop();
}