mirror of
https://git.mirrors.martin98.com/https://github.com/luc-github/ESP3D.git
synced 2025-08-03 12:30:37 +08:00
b40937122a
* Update esp3d_version.h * Fix GCode client is not processed * Update lua engine to 1.0.3 * Fix HOOKS and Init script conflicting at boot * Add a queue for multiple scripts (max 5) * Fix compilation failed on SERIAL_MKS on ESP32 * Explain better sanity check on SERIAL_MKS and DISPLAY * Implement USB Serial OTG
90 lines
2.5 KiB
C++
90 lines
2.5 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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class Counter {
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public:
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Counter() : count(0) {}
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void increment() { count++; }
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int getCount() const { return count; }
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private:
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int count;
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};
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Counter globalCounter;
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EspLuaEngine* luaEsp;
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// Lua function to increment the counter
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int l_incrementCounter(lua_State* L) {
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Counter* counter = (Counter*)lua_touserdata(L, lua_upvalueindex(1));
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counter->increment();
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return 0;
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}
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// Lua function to get the counter value
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int l_getCounterValue(lua_State* L) {
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Counter* counter = (Counter*)lua_touserdata(L, lua_upvalueindex(1));
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lua_pushinteger(L, counter->getCount());
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return 1;
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}
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// Print function for Lua
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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
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}
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luaEsp = new EspLuaEngine();
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// Register functions with userdata
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luaEsp->registerFunction("incrementCounter", l_incrementCounter, &globalCounter);
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luaEsp->registerFunction("getCounterValue", l_getCounterValue, &globalCounter);
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luaEsp->registerFunction("print", l_print);
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// Execute a Lua script that uses the counter
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const char* script = R"(
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print("Initial counter value: " .. getCounterValue())
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for i = 1, 5 do
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incrementCounter()
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print("Counter value after increment: " .. getCounterValue())
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end
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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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delay(1000);
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} |