nodemcu-firmware/components/modules/wifi.c

99 lines
3.3 KiB
C

/*
* Copyright 2016 Dius Computing Pty Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
* - Neither the name of the copyright holders nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
* @author Johny Mattsson <jmattsson@dius.com.au>
*/
#include "module.h"
#include "lauxlib.h"
#include "lextra.h"
#include "esp_wifi.h"
#include "wifi_common.h"
#include <string.h>
static int wifi_setmode (lua_State *L)
{
int mode = luaL_checkinteger (L, 1);
bool save = luaL_optbool (L, 2, DEFAULT_SAVE);
SET_SAVE_MODE(save);
esp_err_t err;
switch (mode)
{
case WIFI_MODE_NULL:
case WIFI_MODE_STA:
case WIFI_MODE_AP:
case WIFI_MODE_APSTA:
return ((err = esp_wifi_set_mode (mode)) == ESP_OK) ?
0 : luaL_error (L, "failed to set mode, code %d", err);
default:
return luaL_error (L, "invalid wifi mode %d", mode);
}
}
static int wifi_start (lua_State *L)
{
esp_err_t err = esp_wifi_start ();
return (err == ESP_OK) ?
0 : luaL_error(L, "failed to start wifi, code %d", err);
}
static int wifi_init (lua_State *L)
{
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
esp_err_t err = esp_wifi_init (&cfg);
return (err == ESP_OK) ?
0 : luaL_error (L, "failed to init wifi, code %d", err);
}
extern const LUA_REG_TYPE wifi_sta_map[];
extern const LUA_REG_TYPE wifi_ap_map[];
static const LUA_REG_TYPE wifi_map[] =
{
{ LSTRKEY( "setmode" ), LFUNCVAL( wifi_setmode ) },
{ LSTRKEY( "start" ), LFUNCVAL( wifi_start ) },
{ LSTRKEY( "sta" ), LROVAL( wifi_sta_map ) },
{ LSTRKEY( "ap" ), LROVAL( wifi_ap_map ) },
{ LSTRKEY( "NULLMODE" ), LNUMVAL( WIFI_MODE_NULL ) },
{ LSTRKEY( "STATION" ), LNUMVAL( WIFI_MODE_STA ) },
{ LSTRKEY( "SOFTAP" ), LNUMVAL( WIFI_MODE_AP ) },
{ LSTRKEY( "STATIONAP" ), LNUMVAL( WIFI_MODE_APSTA ) },
{ LNILKEY, LNILVAL }
};
NODEMCU_MODULE(WIFI, "wifi", wifi_map, wifi_init);