esp32 impl

esp32/.gitignore

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+.pio
+.vscode/.browse.c_cpp.db*
+.vscode/c_cpp_properties.json
+.vscode/launch.json
+.vscode/ipch
+web/node_modules
+web/build
+data

esp32/.vscode/extensions.json

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+{
+    // See http://go.microsoft.com/fwlink/?LinkId=827846
+    // for the documentation about the extensions.json format
+    "recommendations": [
+        "platformio.platformio-ide"
+    ],
+    "unwantedRecommendations": [
+        "ms-vscode.cpptools-extension-pack"
+    ]
+}

esp32/extra_script.py

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+Import("env")
+import os
+
+def before_build_spiffs(source, target, env):
+    print("Removing old SPIFFS image...")
+    env.Execute("rm -rf data")
+
+    print("Copying web app to SPIFFS...")
+    env.Execute("cp -pr web data")    
+
+env.AddPreAction("$BUILD_DIR/spiffs.bin", before_build_spiffs)

esp32/include/vdisp.h

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+#ifndef _VDISP_H
+#define _VDISP_H
+#include <Arduino.h>
+
+#define LCD_ADDRESS 0x27
+#define LCD_LENGTH 80
+#define DDRAM 0
+#define CGRAM 1
+#define PUBLISH_THRESHOLD 100
+
+extern bool dirty;
+extern unsigned long cleanTime;
+extern bool published;
+
+extern char ddram[LCD_LENGTH];
+extern bool ramIndex;
+extern uint8_t currentAddress;
+extern bool entryModeIncrement;
+extern bool entryModeShift;
+extern bool nibbleIndex;
+extern uint8_t loNibble;
+extern uint8_t hiNibble;
+
+void onReceive(int);
+void handleCommand(bool, bool, uint8_t);
+void clearDisplay();
+void cursorHome();
+void setEntryMode(bool, bool);
+void setOnOff(bool, bool, bool);
+void setShift(bool, bool);
+void setFunction(bool, bool, bool);
+void setCGAddress(uint8_t);
+void setDDAddress(uint8_t);
+void writeData(char);
+
+
+#endif

esp32/platformio.ini

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+; PlatformIO Project Configuration File
+;
+;   Build options: build flags, source filter
+;   Upload options: custom upload port, speed and extra flags
+;   Library options: dependencies, extra library storages
+;   Advanced options: extra scripting
+;
+; Please visit documentation for the other options and examples
+; https://docs.platformio.org/page/projectconf.html
+
+[env:az-delivery-devkit-v4]
+platform = espressif32
+board = az-delivery-devkit-v4
+framework = arduino
+monitor_speed = 115200
+upload_speed = 921600
+build_flags = -DVDISP -DEDISP -DOTA_USER=\"ota\" -DOTA_PASSWORD=\"${sysenv.OTA_PASSWORD:ota}\"
+lib_deps = 
+    SPIFFS
+    bblanchon/ArduinoJson@^6.21.0
+    Wire
+    https://github.com/tzapu/WiFiManager.git
+    https://github.com/me-no-dev/ESPAsyncWebServer.git
+    https://github.com/IPdotSetAF/ESPAsyncHTTPUpdateServer
+    https://github.com/adafruit/Adafruit_SSD1306.git
+    https://github.com/adafruit/Adafruit-GFX-Library.git
+extra_scripts = extra_script.py