/*
* print(port:error_tostring(error))
*/
static int lua_port_strerror(lua_State *L)
{
const char *ret = rs232_strerror((unsigned int) luaL_checkinteger(L, 1));
if (ret == NULL)
lua_pushnil(L);
else
lua_pushstring(L, ret);
return 1;
}
static int init_serial(void)
{
unsigned int ret = 0;
port = rs232_init();
if (port == NULL) return 1;
rs232_set_device(port, portname);
ret = rs232_open(port); // open port
if (ret)
{
printf("%s (%s)\n", rs232_strerror(ret), errno > 0 ? strerror(errno) : "");
return ret;
}
rs232_set_baud(port, RS232_BAUD_115200);
rs232_flush(port);
// wait for arduino init
sleep(3);
return 0;
}
unsigned int err(unsigned int e)
{
printf("%s (%s)\n", rs232_strerror(e), errno > 0 ? strerror(errno) : "");
return e;
}