lua

lua_advanced/Makefile

@@ -2,7 +2,7 @@ CC = gcc
 CFLAGS = -Wall -O2
 
 TARGET = main.elf
-SRC = main.c
+SRC = main.c esc.c
 
 LDFLAGS += -lm
 LDFLAGS += -llua

lua_advanced/main.c

@@ -1,3 +1,4 @@
+#include "esc.h"
 #include <lauxlib.h>
 #include <lua.h>
 #include <lualib.h>
@@ -42,6 +43,7 @@ int main(void) {
     lua_State *L = luaL_newstate();
 
     luaL_openlibs(L); // Load Lua standard libraries
+    register_esc(L);
     // luaL_requiref(L, "_G", luaopen_base, 1);
 
     // const lua_Number ver = lua_version(NULL);

lua_advanced/script.lua

@@ -11,3 +11,25 @@ function printvec(v) end
 
 vec = { x = 1.0, y = 2.0, z = 3.0 }
 printvec(vec)
+
+--- Enumerate symbols in namespace
+---@param t
+function dir(t)
+	for k, v in pairs(t) do
+		print(k, type(v))
+	end
+end
+
+dir(esc)
+-- get config
+local cfg = esc.get_esc_config()
+print(cfg.maxspeed, cfg.odometer, cfg.started)
+
+-- modify
+esc.set_maxspeed(200)
+esc.set_started(true)
+esc.add_odometer(5.5)
+
+-- see changes
+cfg = esc.get_esc_config()
+print(cfg.maxspeed, cfg.odometer, cfg.started)