160 lines
2.7 KiB
C
160 lines
2.7 KiB
C
#include "main.h"
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#include "mylua.h"
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#include "rtthread.h"
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#include "lprefix.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <signal.h>
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#include "lua.h"
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#include "llimits.h"
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#include "lauxlib.h"
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#include "lualib.h"
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static int lua_led_on(lua_State *L)
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{
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LED2_ON;
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return 0;
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}
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static int lua_led_off(lua_State *L)
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{
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LED2_OFF;
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return 0;
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}
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static int lua_delay(lua_State *L)
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{
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int num;
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num= lua_tointeger(L, 1);
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rt_thread_delay(num);
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return 0;
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}
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static const struct luaL_Reg g_mylib[]=
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{
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{"led_on",lua_led_on},
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{"led_off",lua_led_off},
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{"delay",lua_delay},
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{NULL,NULL}
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};
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static int mylib_init_(lua_State *L)
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{
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luaL_newlib(L, g_mylib);
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return 1;
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}
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void mylib_init(lua_State *L)
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{
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luaL_requiref(L, "mylib", mylib_init_, 1);
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lua_pop(L, 1); /* remove lib */
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}
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/*
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** Prints an error message, adding the program name in front of it
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** (if present)
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*/
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static void l_message (const char *pname, const char *msg) {
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if (pname) lua_writestringerror("%s: ", pname);
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lua_writestringerror("%s\n", msg);
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}
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/*
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** Check whether 'status' is not OK and, if so, prints the error
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** message on the top of the stack. It assumes that the error object
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** is a string, as it was either generated by Lua or by 'msghandler'.
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*/
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static int report (lua_State *L, int status) {
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if (status != LUA_OK) {
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const char *msg = lua_tostring(L, -1);
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l_message("lua", msg);
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lua_pop(L, 1); /* remove message */
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}
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return status;
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}
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// 运行lua脚本
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int mylua_run(const char *str)
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{
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int status, result;
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lua_State *L;
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L = luaL_newstate(); /* 建立Lua运行环境 */
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luaL_openlibs(L);
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mylib_init(L);
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luaL_dostring(L, str); /* 运行Lua脚本 */
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status = lua_pcall(L, 2, 1, 0); /* do the call */
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result = lua_toboolean(L, -1); /* get result */
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report(L, status);
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return (result && status == LUA_OK) ? EXIT_SUCCESS : EXIT_FAILURE;
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}
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// 打开脚本文件
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int myLua_run_flie(const char *filename)
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{
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int status, result;
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lua_State *L;
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L = luaL_newstate(); /* 建立Lua运行环境 */
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luaL_openlibs(L);
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mylib_init(L);
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luaL_dofile(L, filename); /* 运行Lua脚本 */
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status = lua_pcall(L, 2, 1, 0); /* do the call */
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result = lua_toboolean(L, -1); /* get result */
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report(L, status);
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return (result && status == LUA_OK) ? EXIT_SUCCESS : EXIT_FAILURE;
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}
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char g_test_str[] =" \
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off = 500 \
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on = 500 \
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while true do \
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mylib.led_on() \
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mylib.delay(off) \
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mylib.led_off() \
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mylib.delay(on) \
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print(\"Hello World!\") \
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end";
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// 运行一段测试脚本
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void mylua_test(void)
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{
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// mylua_run(g_test_str);
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char *argv[]={
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"lua",
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"0:/Lua/test.lua",
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};
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lua_main(2,argv);
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lua_assert(0);
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}
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