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Improve WiFi connection management.

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This commit is contained in:
Sebastien
2019-10-29 17:13:47 -04:00
parent ec293f8258
commit eb4a97a98c
52 changed files with 48 additions and 39073 deletions
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53
components/wifi-manager/wifi_manager.c
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@@ -89,6 +89,9 @@ cJSON * ip_info_cjson=NULL;
wifi_config_t* wifi_manager_config_sta = NULL;
static update_reason_code_t last_update_reason_code=0;
static int32_t total_connected_time=0;
static int64_t last_connected=0;
static uint16_t num_disconnect=0;
void (**cb_ptr_arr)(void*) = NULL;
@@ -143,7 +146,10 @@ const int WIFI_MANAGER_SCAN_BIT = BIT7;
/* @brief When set, means user requested for a disconnect */
const int WIFI_MANAGER_REQUEST_DISCONNECT_BIT = BIT8;
bool isGroupBitSet(uint8_t bit){
EventBits_t uxBits= xEventGroupGetBits(wifi_manager_event_group);
return (uxBits & bit);
}
void wifi_manager_refresh_ota_json(){
wifi_manager_send_message(EVENT_REFRESH_OTA, NULL);
}
@@ -535,6 +541,7 @@ esp_err_t wifi_manager_event_handler(void *ctx, system_event_t *event)
case SYSTEM_EVENT_STA_GOT_IP:
ESP_LOGI(TAG, "SYSTEM_EVENT_STA_GOT_IP");
xEventGroupSetBits(wifi_manager_event_group, WIFI_MANAGER_WIFI_CONNECTED_BIT);
last_connected = esp_timer_get_time();
wifi_manager_send_message(EVENT_STA_GOT_IP, (void*)event->event_info.got_ip.ip_info.ip.addr );
break;
@@ -544,6 +551,9 @@ esp_err_t wifi_manager_event_handler(void *ctx, system_event_t *event)
case SYSTEM_EVENT_STA_DISCONNECTED:
ESP_LOGI(TAG, "SYSTEM_EVENT_STA_DISCONNECTED");
total_connected_time+=((esp_timer_get_time()-last_connected)/(1000*1000));
num_disconnect++;
ESP_LOGW(TAG,"Wifi disconnected. Number of disconnects: %d, Average time connected: %d", num_disconnect, num_disconnect>0?(total_connected_time/num_disconnect):0);
/* if a DISCONNECT message is posted while a scan is in progress this scan will NEVER end, causing scan to never work again. For this reason SCAN_BIT is cleared too */
xEventGroupClearBits(wifi_manager_event_group, WIFI_MANAGER_WIFI_CONNECTED_BIT | WIFI_MANAGER_SCAN_BIT);
@@ -799,21 +809,26 @@ void wifi_manager( void * pvParameters ){
if(ap_num>0){
accessp_records = (wifi_ap_record_t*)malloc(sizeof(wifi_ap_record_t) * ap_num);
ESP_ERROR_CHECK(esp_wifi_scan_get_ap_records(&ap_num, accessp_records));
}
/* make sure the http server isn't trying to access the list while it gets refreshed */
ESP_LOGD(TAG,"Preparing to build ap JSON list");
if(wifi_manager_lock_json_buffer( pdMS_TO_TICKS(1000) )){
/* Will remove the duplicate SSIDs from the list and update ap_num */
wifi_manager_filter_unique(accessp_records, &ap_num);
wifi_manager_generate_access_points_json(&accessp_cjson);
wifi_manager_unlock_json_buffer();
ESP_LOGD(TAG,"Done building ap JSON list");
/* make sure the http server isn't trying to access the list while it gets refreshed */
ESP_LOGD(TAG,"Preparing to build ap JSON list");
if(wifi_manager_lock_json_buffer( pdMS_TO_TICKS(1000) )){
/* Will remove the duplicate SSIDs from the list and update ap_num */
wifi_manager_filter_unique(accessp_records, &ap_num);
wifi_manager_generate_access_points_json(&accessp_cjson);
wifi_manager_unlock_json_buffer();
ESP_LOGD(TAG,"Done building ap JSON list");
}
else{
ESP_LOGE(TAG, "could not get access to json mutex in wifi_scan");
}
free(accessp_records);
}
else{
ESP_LOGE(TAG, "could not get access to json mutex in wifi_scan");
//
ESP_LOGD(TAG,"No AP Found. Emptying the list.");
accessp_cjson = wifi_manager_get_new_array_json(&accessp_cjson);
}
free(accessp_records);
/* callback */
if(cb_ptr_arr[msg.code]) {
@@ -833,8 +848,7 @@ void wifi_manager( void * pvParameters ){
ESP_LOGD(TAG, "MESSAGE: ORDER_START_WIFI_SCAN");
/* if a scan is already in progress this message is simply ignored thanks to the WIFI_MANAGER_SCAN_BIT uxBit */
uxBits = xEventGroupGetBits(wifi_manager_event_group);
if(! (uxBits & WIFI_MANAGER_SCAN_BIT) ){
if(! isGroupBitSet(WIFI_MANAGER_SCAN_BIT) ){
if(esp_wifi_scan_start(&scan_config, false)!=ESP_OK){
ESP_LOGW(TAG,"Unable to start scan; wifi is trying to connect");
// set_status_message(WARNING, "Wifi Connecting. Cannot start scan.");
@@ -842,8 +856,11 @@ void wifi_manager( void * pvParameters ){
else {
xEventGroupSetBits(wifi_manager_event_group, WIFI_MANAGER_SCAN_BIT);
}
}
else {
ESP_LOGW(TAG,"Scan already in progress!");
}
/* callback */
if(cb_ptr_arr[msg.code]) (*cb_ptr_arr[msg.code])(NULL);
@@ -1030,10 +1047,9 @@ void wifi_manager( void * pvParameters ){
case ORDER_START_AP:
ESP_LOGI(TAG, "MESSAGE: ORDER_START_AP");
esp_wifi_set_mode(WIFI_MODE_APSTA);
//http_server_start();
dns_server_start();
ESP_LOGD(TAG,"AP Starting, requesting wifi scan.");
wifi_manager_scan_async();
/* callback */
if(cb_ptr_arr[msg.code]) (*cb_ptr_arr[msg.code])(NULL);
@@ -1067,6 +1083,7 @@ void wifi_manager( void * pvParameters ){
else { abort(); }
/* bring down DNS hijack */
ESP_LOGD(TAG,"Stopping dns server.");
dns_server_stop();
/* callback */