add: precompiled binary for firebeetle-esp32, add: HTTPUpdate functionality

README.md

@@ -33,5 +33,7 @@ Yes you will have to edit the Pins used in the file `PinMappings.h` to match the
 <br/>
 15.05.2020: <br/>
 	- PCB has been tested an appears to be working just fine<br/>
+	- Add: Updater to be able to upload new firmware over HTTP hosted by ESP32
+	- Add: precompiled binary for firebeetle-esp32
 	- TODO: redesigning PCB to incorporate LEDs for user feedback as well as Programming Header<br/>
 <br/> 

src/PinMappings.h

@@ -5,26 +5,26 @@
 
 #define PIN_BUTTON_A   15
 #define PIN_BUTTON_B   5
-#define PIN_BUTTON_Z   23
-#define PIN_BUTTON_S   1
-#define PIN_BUTTON_L   1
-#define PIN_BUTTON_R   1
+#define PIN_BUTTON_Z   32
+#define PIN_BUTTON_S   23
+#define PIN_BUTTON_L   33
+#define PIN_BUTTON_R   17
 
-#define PIN_DPAD_UP    1
-#define PIN_DPAD_DOWN  1
-#define PIN_DPAD_LEFT  1
-#define PIN_DPAD_RIGHT 1
+#define PIN_DPAD_UP    26
+#define PIN_DPAD_DOWN  16
+#define PIN_DPAD_LEFT  25
+#define PIN_DPAD_RIGHT 18
 
-#define PIN_C_UP       1
-#define PIN_C_DOWN     1
-#define PIN_C_LEFT     1
-#define PIN_C_RIGHT    1
+#define PIN_C_UP       22
+#define PIN_C_DOWN     21
+#define PIN_C_LEFT     19
+#define PIN_C_RIGHT    12
 
 #define PIN_A_AXIS_X   14
 #define PIN_B_AXIS_X   27
 
-#define PIN_A_AXIS_Y   2
-#define PIN_B_AXIS_Y   4
+#define PIN_A_AXIS_Y   4
+#define PIN_B_AXIS_Y   2
 
 #define LINE_WRITE_HIGH pinMode(DATA_PIN,INPUT_PULLUP)
 #define LINE_WRITE_LOW  pinMode(DATA_PIN,OUTPUT)

src/Updater.cpp

@@ -0,0 +1,184 @@
+#include "Updater.h"
+
+#include <WiFi.h>
+#include <WiFiClient.h>
+#include <WebServer.h>
+#include <ESPmDNS.h>
+#include <Update.h>
+
+void handleSetup(void);
+
+/** Function to check if the user wants to update the device.
+ *  This is signaled by pressing all C Buttons + Start
+ *  if so update process is initiated 
+ *  @param controller pointer to struct containing presed buttons 
+ *  @return none 
+ */
+void checkUpdateCombo(ControllerData *controller)
+{
+    // if button combi is pressed 
+    if(controller->CUp && controller->CDown && controller->CLeft && controller->CRight && controller->buttonStart)
+    {
+        handleSetup();
+    }
+}
+
+
+// ===== TAKEN FROM ARDUINO, slight modifications  =====
+
+const char* host = "n64toique";
+
+WebServer server(80);
+
+/*
+ * Login page
+ */
+
+const char* loginIndex = 
+ "<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>"
+    "</table>"
+"</form>"
+"<script>"
+    "function check(form)"
+    "{"
+    "if(form.userid.value=='n64toique' && form.pwd.value=='n64toique')"
+    "{"
+    "window.open('/serverIndex')"
+    "}"
+    "else"
+    "{"
+    " alert('Error Password or Username')/*displays error message*/"
+    "}"
+    "}"
+"</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'>"
+    "</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>";
+
+/*
+ * setup function
+ */
+void handleSetup(void) {
+  //Serial.begin(115200);
+
+  // Connect to WiFi network
+  WiFi.beginSmartConfig();
+  Serial.println("");
+
+  // Wait for connection
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    Serial.print(".");
+  }
+
+  /*use mdns for host name resolution*/
+  if (!MDNS.begin(host)) { //http://esp32.local
+    Serial.println("Error setting up MDNS responder!");
+    while (1) {
+      delay(1000);
+    }
+  }
+  Serial.println("mDNS responder started");
+  /*return index page which is stored in serverIndex */
+  server.on("/", HTTP_GET, []() {
+    server.sendHeader("Connection", "close");
+    server.send(200, "text/html", loginIndex);
+  });
+  server.on("/serverIndex", HTTP_GET, []() {
+    server.sendHeader("Connection", "close");
+    server.send(200, "text/html", serverIndex);
+  });
+  /*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.begin();
+
+  while(true)
+  {
+      delay(50);
+      server.handleClient();
+  }
+}

src/Updater.h

@@ -0,0 +1,14 @@
+#ifndef UPDATER_H
+#define UPDATER_H
+
+#include "ControllerBuffer.h"
+
+/** Function to check if the user wants to update the device.
+ *  This is signaled by pressing all C Buttons + Start
+ *  if so update process is initiated 
+ *  @param controller pointer to struct containing presed buttons 
+ *  @return none 
+ */
+extern void checkUpdateCombo(ControllerData *controller);
+
+#endif

src/src.ino

@@ -2,6 +2,7 @@
 #include "ControllerData.h"
 #include "ControllerBuffer.h"
 #include "Debug.h"
+#include "Updater.h"
 
 ControllerData controller;
 
@@ -36,4 +37,11 @@ void loop()
 
   // polling must not occur faster than every 20 ms 
   delay(14);
+
+  checkUpdateCombo(&controller);
+
+  //Serial.printf("DPAD: %i %i %i %i \n",controller.DPadUp,controller.DPadDown,controller.DPadLeft,controller.DPadRight);
+  //Serial.printf("C: %i %i %i %i \n",controller.CUp,controller.CDown,controller.CLeft,controller.CRight);
+
+  //delay(5000);
 }