adjusted to modified locations; updated to latest content

This commit is contained in:
a 2020-08-21 03:50:13 +02:00
parent c981cdbf0d
commit 90afad2666
6 changed files with 184 additions and 339 deletions

View File

@ -1,8 +1,8 @@
idf_component_register(
SRCS
"wifi-controller.c"
"espidf-v4.0.c"
INCLUDE_DIRS "."
PRIV_REQUIRES
esp_wifi
nvs_flash
)
)

View File

@ -0,0 +1,179 @@
#ifdef FRAMEWORK_espidf
// Copyright 2020 Lukas Haubaum
//
// Licensed under the GNU Affero General Public License, Version 3;
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// https://www.gnu.org/licenses/agpl-3.0.html
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <string.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/event_groups.h"
#include "esp_system.h"
#include "esp_wifi.h"
#include "esp_event.h"
#include "esp_log.h"
#include "nvs_flash.h"
#include "lwip/err.h"
#include "lwip/sys.h"
#include "wifi-controller.h"
#define WIFI_CONNECTED_BIT BIT0
#define WIFI_FAIL_BIT BIT1
static EventGroupHandle_t s_wifi_event_group;
static bool initialized = false;
static wifi_ap_record_t current_wifi_ap;
void wifi_controller_init(void)
{
// init NVS for WIFI
esp_err_t ret;
ret = nvs_flash_init();
if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND)
{
ESP_ERROR_CHECK(nvs_flash_erase());
ESP_ERROR_CHECK(nvs_flash_init());
}
tcpip_adapter_init();
ESP_ERROR_CHECK(esp_event_loop_create_default());
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
ESP_ERROR_CHECK(esp_wifi_init(&cfg));
initialized = true;
}
void wifi_controller_scan(wifi_ap_record_t *ap_info, uint16_t *ap_count)
{
if (!initialized)
{
wifi_controller_init();
}
uint16_t number = 10;
ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA));
ESP_ERROR_CHECK(esp_wifi_start());
ESP_ERROR_CHECK(esp_wifi_scan_start(NULL, true));
ESP_ERROR_CHECK(esp_wifi_scan_get_ap_records(&number, ap_info));
ESP_ERROR_CHECK(esp_wifi_scan_get_ap_num(ap_count));
ESP_ERROR_CHECK(esp_wifi_stop());
}
static void event_handler(void *arg, esp_event_base_t event_base, int32_t event_id, void *event_data)
{
if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_START)
{
esp_wifi_connect();
}
else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_DISCONNECTED)
{
xEventGroupSetBits(s_wifi_event_group, WIFI_FAIL_BIT);
}
else if (event_base == IP_EVENT && event_id == IP_EVENT_STA_GOT_IP)
{
ESP_LOGD(WIFI_LOG, "got IP");
xEventGroupSetBits(s_wifi_event_group, WIFI_CONNECTED_BIT);
heap_caps_check_integrity_all(true);
}
}
esp_err_t wifi_controller_connect(wifi_config_t wifi_config)
{
if (!initialized)
{
wifi_controller_init();
}
ESP_ERROR_CHECK(esp_event_handler_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &event_handler, NULL));
ESP_ERROR_CHECK(esp_event_handler_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &event_handler, NULL));
ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA));
ESP_ERROR_CHECK(esp_wifi_set_config(ESP_IF_WIFI_STA, &wifi_config));
ESP_ERROR_CHECK(esp_wifi_start());
s_wifi_event_group = xEventGroupCreate();
EventBits_t bits = xEventGroupWaitBits(s_wifi_event_group, WIFI_CONNECTED_BIT | WIFI_FAIL_BIT, pdFALSE, pdFALSE, portMAX_DELAY);
ESP_ERROR_CHECK(esp_event_handler_unregister(WIFI_EVENT, ESP_EVENT_ANY_ID, event_handler));
vEventGroupDelete(s_wifi_event_group);
if (bits & WIFI_CONNECTED_BIT)
{
ESP_LOGV(WIFI_LOG, "connected to ap SSID:%s", wifi_config.sta.ssid);
return ESP_OK;
}
else if (bits & WIFI_FAIL_BIT)
{
ESP_LOGI(WIFI_LOG, "Failed to connect to SSID:%s with PASSWORD:%s", wifi_config.sta.ssid, wifi_config.sta.password);
return ESP_ERR_INVALID_ARG;
}
else
{
ESP_LOGE(WIFI_LOG, "UNEXPECTED EVENT");
return ESP_FAIL;
}
}
esp_err_t wifi_controller_reconnect(void)
{
if (!initialized)
{
wifi_controller_init();
}
ESP_ERROR_CHECK(esp_event_handler_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &event_handler, NULL));
ESP_ERROR_CHECK(esp_event_handler_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &event_handler, NULL));
ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA));
ESP_ERROR_CHECK(esp_wifi_start());
s_wifi_event_group = xEventGroupCreate();
EventBits_t bits = xEventGroupWaitBits(s_wifi_event_group, WIFI_CONNECTED_BIT | WIFI_FAIL_BIT, pdFALSE, pdFALSE, portMAX_DELAY);
ESP_ERROR_CHECK(esp_event_handler_unregister(WIFI_EVENT, ESP_EVENT_ANY_ID, event_handler));
vEventGroupDelete(s_wifi_event_group);
if (bits & WIFI_CONNECTED_BIT)
{
ESP_LOGV(WIFI_LOG, "reconnected to last ap");
return ESP_OK;
}
else if (bits & WIFI_FAIL_BIT)
{
ESP_LOGI(WIFI_LOG, "Failed to reconnect to last ap");
return ESP_ERR_INVALID_ARG;
}
else
{
ESP_LOGE(WIFI_LOG, "UNEXPECTED EVENT");
return ESP_FAIL;
}
}
wifi_ap_record_t *wifi_controller_connection(void)
{
if (esp_wifi_sta_get_ap_info(&current_wifi_ap) == ESP_OK)
{
ESP_LOGD(WIFI_LOG, "Current AP: %s", current_wifi_ap.ssid);
return &current_wifi_ap;
}
return NULL;
}
#endif

View File

@ -1,3 +1,4 @@
#ifdef FRAMEWORK_espidf
// Copyright 2020 Lukas Haubaum
//
// Licensed under the GNU Affero General Public License, Version 3;
@ -182,4 +183,5 @@ wifi_ap_record_t *wifi_controller_connection(void)
return &current_wifi_ap;
}
return NULL;
}
}
#endif

View File

@ -1,162 +0,0 @@
#ifdef FRAMEWORK_espidf
// Copyright 2020 Lukas Haubaum
//
// Licensed under the GNU Affero General Public License, Version 3;
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// https://www.gnu.org/licenses/agpl-3.0.html
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <string.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/event_groups.h"
#include "esp_system.h"
#include "esp_wifi.h"
#include "esp_event.h"
#include "esp_log.h"
#include "nvs_flash.h"
#include "lwip/err.h"
#include "lwip/sys.h"
#include "ena-cwa.h"
#include "wifi.h"
#define WIFI_CONNECTED_BIT BIT0
#define WIFI_FAIL_BIT BIT1
static EventGroupHandle_t s_wifi_event_group;
static int s_retry_num = 0;
static bool connected = false;
void wifi_stop(void)
{
connected = false;
esp_wifi_stop();
esp_wifi_deinit();
esp_event_loop_delete_default();
}
static esp_err_t event_handler(void *ctx, system_event_t *event)
{
switch (event->event_id) {
case SYSTEM_EVENT_STA_START:
esp_wifi_connect();
break;
case SYSTEM_EVENT_STA_DISCONNECTED:
if (s_retry_num < WIFI_MAXIMUM_RETRY)
{
esp_wifi_connect();
s_retry_num++;
ESP_LOGD(WIFI_LOG, "retry to connect to the AP");
}
else
{
xEventGroupSetBits(s_wifi_event_group, WIFI_FAIL_BIT);
}
ESP_LOGD(WIFI_LOG, "connect to the AP fail");
connected = false;
break;
case SYSTEM_EVENT_STA_GOT_IP:
s_retry_num = 0;
xEventGroupSetBits(s_wifi_event_group, WIFI_CONNECTED_BIT);
connected = true;
heap_caps_check_integrity_all(true);
break;
default:
ESP_LOGD(WIFI_LOG, "eventbase WIFI, eventid %d", event->event_id);
break;
}
return ESP_OK;
}
void wifi_start(void)
{
// init NVS for WIFI
esp_err_t ret;
ret = nvs_flash_init();
if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND)
{
ESP_ERROR_CHECK(nvs_flash_erase());
ESP_ERROR_CHECK(nvs_flash_init());
}
s_wifi_event_group = xEventGroupCreate();
ESP_ERROR_CHECK(esp_event_loop_create_default());
tcpip_adapter_init();
ESP_ERROR_CHECK(esp_event_loop_init(event_handler, NULL) );
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
ESP_ERROR_CHECK(esp_wifi_init(&cfg));
ESP_ERROR_CHECK(esp_wifi_set_storage(WIFI_STORAGE_RAM));
wifi_config_t wifi_config = {
.sta = {
.ssid = WIFI_SSID,
.password = WIFI_PASSWORD,
/* Setting a password implies station will connect to all security modes including WEP/WPA.
* However these modes are deprecated and not advisable to be used. Incase your Access point
* doesn't support WPA2, these mode can be enabled by commenting below line */
.threshold.authmode = WIFI_AUTH_WPA2_PSK,
.pmf_cfg = {
.capable = true,
.required = false},
},
};
ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA));
ESP_ERROR_CHECK(esp_wifi_set_config(ESP_IF_WIFI_STA, &wifi_config));
ESP_ERROR_CHECK(esp_wifi_start());
/* Waiting until either the connection is established (WIFI_CONNECTED_BIT) or connection failed for the maximum
* number of re-tries (WIFI_FAIL_BIT). The bits are set by event_handler() (see above) */
EventBits_t bits = xEventGroupWaitBits(s_wifi_event_group,
WIFI_CONNECTED_BIT | WIFI_FAIL_BIT,
pdFALSE,
pdFALSE,
portMAX_DELAY);
/* xEventGroupWaitBits() returns the bits before the call returned, hence we can test which event actually
* happened. */
if (bits & WIFI_CONNECTED_BIT)
{
ESP_LOGV(WIFI_LOG, "connected to ap SSID:%s",
WIFI_SSID);
}
else if (bits & WIFI_FAIL_BIT)
{
ESP_LOGI(WIFI_LOG, "Failed to connect to SSID:%s",
WIFI_SSID);
}
else
{
ESP_LOGE(WIFI_LOG, "UNEXPECTED EVENT");
}
#if 0
/* The event will not be processed after unregister */
ESP_ERROR_CHECK(esp_event_handler_instance_unregister(IP_EVENT, IP_EVENT_STA_GOT_IP, instance_got_ip));
ESP_ERROR_CHECK(esp_event_handler_instance_unregister(WIFI_EVENT, ESP_EVENT_ANY_ID, instance_any_id));
vEventGroupDelete(s_wifi_event_group);
#endif
}
bool wifi_is_connected(void)
{
return connected;
}
#endif

View File

@ -1,174 +0,0 @@
#ifdef FRAMEWORK_espidf
// Copyright 2020 Lukas Haubaum
//
// Licensed under the GNU Affero General Public License, Version 3;
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// https://www.gnu.org/licenses/agpl-3.0.html
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <string.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/event_groups.h"
#include "esp_system.h"
#include "esp_wifi.h"
#include "esp_event.h"
#include "esp_log.h"
#include "nvs_flash.h"
#include "lwip/err.h"
#include "lwip/sys.h"
#include "ena-cwa.h"
#include "wifi.h"
#define WIFI_CONNECTED_BIT BIT0
#define WIFI_FAIL_BIT BIT1
static EventGroupHandle_t s_wifi_event_group;
static int s_retry_num = 0;
static bool connected = false;
void wifi_stop(void)
{
connected = false;
esp_wifi_stop();
esp_wifi_deinit();
esp_event_loop_delete_default();
}
static void event_handler(void *arg, esp_event_base_t event_base,
int32_t event_id, void *event_data)
{
if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_START)
{
esp_wifi_connect();
}
else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_DISCONNECTED)
{
if (s_retry_num < WIFI_MAXIMUM_RETRY)
{
esp_wifi_connect();
s_retry_num++;
ESP_LOGD(WIFI_LOG, "retry to connect to the AP");
}
else
{
xEventGroupSetBits(s_wifi_event_group, WIFI_FAIL_BIT);
}
ESP_LOGD(WIFI_LOG, "connect to the AP fail");
connected = false;
}
else if (event_base == IP_EVENT && event_id == IP_EVENT_STA_GOT_IP)
{
s_retry_num = 0;
xEventGroupSetBits(s_wifi_event_group, WIFI_CONNECTED_BIT);
connected = true;
heap_caps_check_integrity_all(true);
}
else
{
ESP_LOGD(WIFI_LOG, "eventbase %s, eventid %d", event_base, event_id);
}
}
void wifi_start(void)
{
// init NVS for WIFI
esp_err_t ret;
ret = nvs_flash_init();
if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND)
{
ESP_ERROR_CHECK(nvs_flash_erase());
ESP_ERROR_CHECK(nvs_flash_init());
}
s_wifi_event_group = xEventGroupCreate();
ESP_ERROR_CHECK(esp_event_loop_create_default());
ESP_ERROR_CHECK(esp_netif_init());
esp_netif_create_default_wifi_sta();
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
ESP_ERROR_CHECK(esp_wifi_init(&cfg));
esp_event_handler_instance_t instance_any_id;
esp_event_handler_instance_t instance_got_ip;
ESP_ERROR_CHECK(esp_event_handler_instance_register(WIFI_EVENT,
ESP_EVENT_ANY_ID,
&event_handler,
NULL,
&instance_any_id));
ESP_ERROR_CHECK(esp_event_handler_instance_register(IP_EVENT,
IP_EVENT_STA_GOT_IP,
&event_handler,
NULL,
&instance_got_ip));
wifi_config_t wifi_config = {
.sta = {
.ssid = WIFI_SSID,
.password = WIFI_PASSWORD,
/* Setting a password implies station will connect to all security modes including WEP/WPA.
* However these modes are deprecated and not advisable to be used. Incase your Access point
* doesn't support WPA2, these mode can be enabled by commenting below line */
.threshold.authmode = WIFI_AUTH_WPA2_PSK,
.pmf_cfg = {
.capable = true,
.required = false},
},
};
ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA));
ESP_ERROR_CHECK(esp_wifi_set_config(ESP_IF_WIFI_STA, &wifi_config));
ESP_ERROR_CHECK(esp_wifi_start());
/* Waiting until either the connection is established (WIFI_CONNECTED_BIT) or connection failed for the maximum
* number of re-tries (WIFI_FAIL_BIT). The bits are set by event_handler() (see above) */
EventBits_t bits = xEventGroupWaitBits(s_wifi_event_group,
WIFI_CONNECTED_BIT | WIFI_FAIL_BIT,
pdFALSE,
pdFALSE,
portMAX_DELAY);
/* xEventGroupWaitBits() returns the bits before the call returned, hence we can test which event actually
* happened. */
if (bits & WIFI_CONNECTED_BIT)
{
ESP_LOGV(WIFI_LOG, "connected to ap SSID:%s",
WIFI_SSID);
}
else if (bits & WIFI_FAIL_BIT)
{
ESP_LOGI(WIFI_LOG, "Failed to connect to SSID:%s",
WIFI_SSID);
}
else
{
ESP_LOGE(WIFI_LOG, "UNEXPECTED EVENT");
}
/* The event will not be processed after unregister */
ESP_ERROR_CHECK(esp_event_handler_instance_unregister(IP_EVENT, IP_EVENT_STA_GOT_IP, instance_got_ip));
ESP_ERROR_CHECK(esp_event_handler_instance_unregister(WIFI_EVENT, ESP_EVENT_ANY_ID, instance_any_id));
vEventGroupDelete(s_wifi_event_group);
}
bool wifi_is_connected(void)
{
return connected;
}
#endif