70 lines
1.6 KiB
C
70 lines
1.6 KiB
C
#include <lauxlib.h>
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#include <lua.h>
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#include <lualib.h>
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#include <stdbool.h>
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struct EscConfig {
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int maxspeed;
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float odometer;
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bool started;
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};
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static struct EscConfig esc_config = {
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.maxspeed = 100,
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.odometer = 12.5f,
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.started = false,
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};
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/* Lua: get_esc_config() -> table */
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static int l_get_esc_config(lua_State *L) {
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lua_newtable(L);
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lua_pushstring(L, "maxspeed");
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lua_pushinteger(L, esc_config.maxspeed);
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lua_settable(L, -3);
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lua_pushstring(L, "odometer");
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lua_pushnumber(L, esc_config.odometer);
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lua_settable(L, -3);
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lua_pushstring(L, "started");
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lua_pushboolean(L, esc_config.started);
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lua_settable(L, -3);
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return 1; // return the table
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}
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/* Lua: set_maxspeed(value) */
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static int l_set_maxspeed(lua_State *L) {
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int maxspeed = luaL_checkinteger(L, 1);
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esc_config.maxspeed = maxspeed;
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return 0;
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}
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/* Lua: set_started(value) */
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static int l_set_started(lua_State *L) {
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int started = lua_toboolean(L, 1);
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esc_config.started = started;
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return 0;
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}
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/* Lua: add_odometer(delta) */
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static int l_add_odometer(lua_State *L) {
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float delta = luaL_checknumber(L, 1);
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esc_config.odometer += delta;
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return 0;
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}
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static const struct luaL_Reg esc_funcs[] = {
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{"get_esc_config", l_get_esc_config},
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{"set_maxspeed", l_set_maxspeed},
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{"set_started", l_set_started},
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{"add_odometer", l_add_odometer},
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{NULL, NULL},
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};
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/* Register the functions into Lua as global "esc" */
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void register_esc(lua_State *L) {
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luaL_newlib(L, esc_funcs); // create table with all funcs
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lua_setglobal(L, "esc"); // set global "esc"
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}
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