initial commit

CMakeLists.txt

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+# The following five lines of boilerplate have to be in your project's
+# CMakeLists in this exact order for cmake to work correctly
+cmake_minimum_required(VERSION 3.16)
+
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+project(esp32-c3-lua-test)

main/CMakeLists.txt

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+idf_component_register(SRCS "esp32-c3-lua-test.c"
+                    INCLUDE_DIRS ".")

main/esp32-c3-lua-test.c

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+#include <stdio.h>
+#include <lua.h>
+#include <lualib.h>
+#include <lauxlib.h>
+
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+
+void app_main(void)
+{
+    printf("Starting Lua\n");
+    lua_State *L = luaL_newstate();
+    printf("Opening Lua Libs\n");
+    luaL_openlibs(L);
+
+    printf("Calling Lua code: \n");
+    lua_pushinteger(L, 42);
+    lua_setglobal(L, "answer");
+
+    char * code = "print(answer)";
+
+    if (luaL_dostring(L, code) == LUA_OK) {
+        lua_pop(L, lua_gettop(L));
+    }
+
+    printf("Closing Lua\n");
+    lua_close(L);
+
+    while(1) {
+        vTaskDelay(pdMS_TO_TICKS(16));
+    }
+}

main/idf_component.yml

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+## IDF Component Manager Manifest File
+dependencies:
+  georgik/lua: "^5.5.0"
+  ## Required IDF version
+  idf:
+    version: ">=4.1.0"
+  # # Put list of dependencies here
+  # # For components maintained by Espressif:
+  # component: "~1.0.0"
+  # # For 3rd party components:
+  # username/component: ">=1.0.0,<2.0.0"
+  # username2/component2:
+  #   version: "~1.0.0"
+  #   # For transient dependencies `public` flag can be set.
+  #   # `public` flag doesn't have an effect dependencies of the `main` component.
+  #   # All dependencies of `main` are public by default.
+  #   public: true