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93312ff8b5
* Update WebSocket library * Update SSDP library * Update TFT_eSPI library * Update EspLuaEngine library * Update SDFat library * Change to pioarduino * Make ESP3DMessageFIFO and ESP3DMessage more thread safe * Fix sanity checks for BT * Add some C6 support * Refactor ethernet code * Split Ethernet Sta / WiFi sta ESP Commands and settings * Simplify wait and wdtFeed code * Set C3 with 4MB by default in platformio.ini * Apply Disable brown out only on ESP32 to avoid crash e.g:ESP32S3 * Add missing entries in platformio.ini
65 lines
2.1 KiB
C++
65 lines
2.1 KiB
C++
/*
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EspLuaEngine project - Hello world example
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Copyright (c) 2024 Luc Lebosse. All rights reserved.
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This code is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This code is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "EspLuaEngine.h"
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#include <Arduino.h>
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EspLuaEngine* luaEsp;
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// If you need to print something in the console, you must add this function
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int l_print(lua_State* L) {
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int nargs = lua_gettop(L);
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for (int i = 1; i <= nargs; i++) {
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if (lua_isstring(L, i)) {
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const char* s = lua_tostring(L, i);
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Serial.print(s);
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if (i < nargs) Serial.print(" ");
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}
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}
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Serial.println();
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return 0;
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}
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void setup() {
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Serial.begin(115200);
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while (!Serial) {
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; // Wait for serial connection to be established
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}
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// Create a new Lua environment
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luaEsp = new EspLuaEngine();
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// Register the print function
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luaEsp->registerFunction("print", l_print);
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// Simple usage example
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luaEsp->executeScript("print('Hello from Lua on ESP32!')");
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// Example using basic functions and string manipulation
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const char* script = R"(
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local t = {10, 20, 30, 40, 50}
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print("Table length: " .. #t)
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print("Concatenated string: " .. table.concat(t, ", "))
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print("Uppercase: " .. string.upper("lua on esp32"))
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)";
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luaEsp->executeScript(script);
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}
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void loop() {
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// You can add here code to execute Lua scripts in response to events or regular intervals
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delay(1000);
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}
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