mirror of
https://github.com/sle118/squeezelite-esp32.git
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289 lines
10 KiB
C
289 lines
10 KiB
C
/*
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* Squeezelite for esp32
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*
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* (c) Sebastien 2019
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* Philippe G. 2019, philippe_44@outlook.com
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "platform_esp32.h"
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#include "led.h"
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#include <stdio.h>
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#include <string.h>
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#include "freertos/FreeRTOS.h"
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#include "driver/gpio.h"
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#include "driver/spi_master.h"
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#include "freertos/task.h"
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#include "esp_system.h"
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#include "esp_spi_flash.h"
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#include "esp_wifi.h"
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#include "esp_system.h"
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#include "esp_event_loop.h"
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#include "nvs_flash.h"
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#include "esp_log.h"
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#include "freertos/event_groups.h"
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#include "mdns.h"
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#include "lwip/api.h"
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#include "lwip/err.h"
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#include "lwip/netdb.h"
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#include "nvs_utilities.h"
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#include "http_server.h"
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#include "trace.h"
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#include "wifi_manager.h"
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#include "squeezelite-ota.h"
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#include <math.h>
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EventGroupHandle_t wifi_event_group;
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bool enable_bt_sink=false;
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bool enable_airplay=false;
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bool jack_mutes_amp=false;
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bool bypass_wifi_manager=false;
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const int CONNECTED_BIT = BIT0;
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#define JOIN_TIMEOUT_MS (10000)
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static const char TAG[] = "esp_app_main";
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char * fwurl = NULL;
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#ifdef CONFIG_SQUEEZEAMP
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#define LED_GREEN_GPIO 12
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#define LED_RED_GPIO 13
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#else
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#define LED_GREEN_GPIO 0
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#define LED_RED_GPIO 0
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#endif
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static bool bWifiConnected=false;
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/* brief this is an exemple of a callback that you can setup in your own app to get notified of wifi manager event */
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void cb_connection_got_ip(void *pvParameter){
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ESP_LOGI(TAG, "I have a connection!");
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xEventGroupSetBits(wifi_event_group, CONNECTED_BIT);
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bWifiConnected=true;
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led_unpush(LED_GREEN);
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}
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void cb_connection_sta_disconnected(void *pvParameter){
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led_blink_pushed(LED_GREEN, 250, 250);
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bWifiConnected=false;
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xEventGroupClearBits(wifi_event_group, CONNECTED_BIT);
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}
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bool wait_for_wifi(){
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bool connected=(xEventGroupGetBits(wifi_event_group) & CONNECTED_BIT)!=0;
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if(!connected){
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ESP_LOGD(TAG,"Waiting for WiFi...");
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connected = (xEventGroupWaitBits(wifi_event_group, CONNECTED_BIT,
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pdFALSE, pdTRUE, JOIN_TIMEOUT_MS / portTICK_PERIOD_MS)& CONNECTED_BIT)!=0;
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if(!connected){
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ESP_LOGW(TAG,"wifi timeout.");
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}
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else
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{
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ESP_LOGI(TAG,"WiFi Connected!");
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}
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}
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return connected;
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}
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static void initialize_nvs() {
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ESP_LOGI(TAG,"Initializing nvs from flash");
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esp_err_t err = nvs_flash_init();
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if (err == ESP_ERR_NVS_NO_FREE_PAGES || err == ESP_ERR_NVS_NEW_VERSION_FOUND) {
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ESP_LOGW(TAG,"Error %s. Erasing nvs flash", esp_err_to_name(err));
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ESP_ERROR_CHECK(nvs_flash_erase());
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err = nvs_flash_init();
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}
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ESP_ERROR_CHECK(err);
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ESP_LOGI(TAG,"Initializing nvs from partition %s",settings_partition);
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err = nvs_flash_init_partition(settings_partition);
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if (err == ESP_ERR_NVS_NO_FREE_PAGES || err == ESP_ERR_NVS_NEW_VERSION_FOUND) {
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ESP_LOGW(TAG,"Error %s. Erasing nvs on partition %s",esp_err_to_name(err),settings_partition);
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ESP_ERROR_CHECK(nvs_flash_erase_partition(settings_partition));
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err = nvs_flash_init_partition(settings_partition);
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}
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if(err!=ESP_OK){
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ESP_LOGE(TAG,"nvs init completed with error %s",esp_err_to_name(err));
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}
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ESP_ERROR_CHECK(err);
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ESP_LOGD(TAG,"nvs init completed");
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}
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char * process_ota_url(){
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nvs_handle nvs;
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ESP_LOGI(TAG,"Checking for update url");
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char * fwurl=get_nvs_value_alloc(NVS_TYPE_STR, "fwurl");
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if(fwurl!=NULL)
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{
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ESP_LOGD(TAG,"Deleting nvs entry for Firmware URL %s", fwurl);
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esp_err_t err = nvs_open_from_partition(settings_partition, current_namespace, NVS_READWRITE, &nvs);
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if (err == ESP_OK) {
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err = nvs_erase_key(nvs, "fwurl");
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if (err == ESP_OK) {
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ESP_LOGD(TAG,"Firmware url erased from nvs.");
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err = nvs_commit(nvs);
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if (err == ESP_OK) {
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ESP_LOGI(TAG, "Value with key '%s' erased", "fwurl");
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ESP_LOGD(TAG,"nvs erase committed.");
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}
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else
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{
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ESP_LOGE(TAG,"Unable to commit nvs erase operation. Error : %s.",esp_err_to_name(err));
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}
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}
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else
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{
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ESP_LOGE(TAG,"Error : %s. Unable to delete firmware url key.",esp_err_to_name(err));
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}
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nvs_close(nvs);
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}
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else
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{
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ESP_LOGE(TAG,"Error opening nvs: %s. Unable to delete firmware url key.",esp_err_to_name(err));
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}
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}
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return fwurl;
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}
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//CONFIG_SDIF_NUM=0
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//CONFIG_SPDIF_BCK_IO=26
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//CONFIG_SPDIF_WS_IO=25
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//CONFIG_SPDIF_DO_IO=15
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//CONFIG_A2DP_CONTROL_DELAY_MS=500
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//CONFIG_A2DP_CONNECT_TIMEOUT_MS=1000
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//CONFIG_WIFI_MANAGER_MAX_RETRY=2
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u16_t get_adjusted_volume(u16_t volume){
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char * str_factor = get_nvs_value_alloc_default(NVS_TYPE_STR, "volumefactor", "3", 0);
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if(str_factor != NULL ){
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float factor = atof(str_factor);
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free(str_factor);
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return (u16_t) (65536.0f * powf( (volume/ 128.0f), factor) );
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}
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else {
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ESP_LOGW(TAG,"Error retrieving volume factor. Returning unmodified volume level. ");
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return volume;
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}
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}
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void register_default_nvs(){
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ESP_LOGD(TAG,"Registering default value for key %s, value %s", "bt_sink_name", CONFIG_BT_NAME);
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nvs_value_set_default(NVS_TYPE_STR, "bt_sink_name", CONFIG_BT_NAME, 0);
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ESP_LOGD(TAG,"Registering default value for key %s, value %s", "bt_sink_pin", STR(CONFIG_BT_SINK_PIN));
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nvs_value_set_default(NVS_TYPE_STR, "bt_sink_pin", STR(CONFIG_BT_SINK_PIN), 0);
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ESP_LOGD(TAG,"Registering default value for key %s, value %s", "host_name", "squeezelite-esp32");
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nvs_value_set_default(NVS_TYPE_STR, "host_name", "squeezelite-esp32", 0);
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ESP_LOGD(TAG,"Registering default value for key %s, value %s", "release_url", SQUEEZELITE_ESP32_RELEASE_URL);
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nvs_value_set_default(NVS_TYPE_STR, "release_url", SQUEEZELITE_ESP32_RELEASE_URL, 0);
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ESP_LOGD(TAG,"Registering default value for key %s, value %s","ap_ip_address",CONFIG_DEFAULT_AP_IP );
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nvs_value_set_default(NVS_TYPE_STR, "ap_ip_address",CONFIG_DEFAULT_AP_IP , 0);
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ESP_LOGD(TAG,"Registering default value for key %s, value %s", "ap_ip_gateway",CONFIG_DEFAULT_AP_GATEWAY );
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nvs_value_set_default(NVS_TYPE_STR, "ap_ip_gateway",CONFIG_DEFAULT_AP_GATEWAY , 0);
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ESP_LOGD(TAG,"Registering default value for key %s, value %s","ap_ip_netmask",CONFIG_DEFAULT_AP_NETMASK );
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nvs_value_set_default(NVS_TYPE_STR, "ap_ip_netmask",CONFIG_DEFAULT_AP_NETMASK , 0);
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ESP_LOGD(TAG,"Registering default value for key %s, value %s", "ap_channel",STR(CONFIG_DEFAULT_AP_CHANNEL));
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nvs_value_set_default(NVS_TYPE_STR, "ap_channel",STR(CONFIG_DEFAULT_AP_CHANNEL) , 0);
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ESP_LOGD(TAG,"Registering default value for key %s, value %s", "ap_ssid",CONFIG_DEFAULT_AP_SSID );
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nvs_value_set_default(NVS_TYPE_STR, "ap_ssid",CONFIG_DEFAULT_AP_SSID , 0);
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ESP_LOGD(TAG,"Registering default value for key %s, value %s", "ap_password", CONFIG_DEFAULT_AP_PASSWORD);
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nvs_value_set_default(NVS_TYPE_STR, "ap_password", CONFIG_DEFAULT_AP_PASSWORD, 0);
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ESP_LOGD(TAG,"Registering default value for key %s, value %s", "airplay_name",CONFIG_AIRPLAY_NAME);
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nvs_value_set_default(NVS_TYPE_STR, "airplay_name",CONFIG_AIRPLAY_NAME , 0);
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ESP_LOGD(TAG,"Registering default value for key %s, value %s", "airplay_port", CONFIG_AIRPLAY_PORT);
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nvs_value_set_default(NVS_TYPE_STR, "airplay_port", CONFIG_AIRPLAY_PORT, 0);
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ESP_LOGD(TAG,"Registering default value for key %s, value %s", "a2dp_sink_name", CONFIG_A2DP_SINK_NAME);
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nvs_value_set_default(NVS_TYPE_STR, "a2dp_sink_name", CONFIG_A2DP_SINK_NAME, 0);
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ESP_LOGD(TAG,"Registering default value for key %s, value %s", "a2dp_dev_name", CONFIG_A2DP_DEV_NAME);
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nvs_value_set_default(NVS_TYPE_STR, "a2dp_dev_name", CONFIG_A2DP_DEV_NAME, 0);
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ESP_LOGD(TAG,"Registering default value for key %s, value %s", "bypass_wm", "0");
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nvs_value_set_default(NVS_TYPE_STR, "bypass_wm", "0", 0);
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ESP_LOGD(TAG,"Registering default value for key %s, value %s", "enable_bt_sink", STR(CONFIG_BT_SINK));
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char * flag = get_nvs_value_alloc_default(NVS_TYPE_STR, "enable_bt_sink", STR(CONFIG_BT_SINK), 0);
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enable_bt_sink= (strcmp(flag,"1")==0 ||strcasecmp(flag,"y")==0);
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free(flag);
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ESP_LOGD(TAG,"Registering default value for key %s, value %s", "enable_airplay", STR(CONFIG_AIRPLAY_SINK));
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flag = get_nvs_value_alloc_default(NVS_TYPE_STR, "enable_airplay", STR(CONFIG_AIRPLAY_SINK), 0);
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enable_airplay= (strcmp(flag,"1")==0 ||strcasecmp(flag,"y")==0);
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free(flag);
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ESP_LOGD(TAG,"Registering default value for key %s, value %s", "jack_mutes_amp", "n");
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flag = get_nvs_value_alloc_default(NVS_TYPE_STR, "jack_mutes_amp", "n", 0);
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jack_mutes_amp= (strcmp(flag,"1")==0 ||strcasecmp(flag,"y")==0);
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free(flag);
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ESP_LOGD(TAG,"Done setting default values in nvs.");
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}
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void app_main()
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{
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char * fwurl = NULL;
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ESP_LOGD(TAG,"Creating event group for wifi");
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wifi_event_group = xEventGroupCreate();
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ESP_LOGD(TAG,"Clearing CONNECTED_BIT from wifi group");
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xEventGroupClearBits(wifi_event_group, CONNECTED_BIT);
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ESP_LOGI(TAG,"Starting app_main");
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initialize_nvs();
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ESP_LOGD(TAG,"Registering default values");
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register_default_nvs();
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ESP_LOGD(TAG,"Getting firmware OTA URL (if any)");
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fwurl = process_ota_url();
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ESP_LOGD(TAG,"Getting value for WM bypass, nvs 'bypass_wm'");
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char * bypass_wm = get_nvs_value_alloc_default(NVS_TYPE_STR, "bypass_wm", "0", 0);
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if(bypass_wm==NULL)
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{
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ESP_LOGE(TAG, "Unable to retrieve the Wifi Manager bypass flag");
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bypass_wifi_manager = false;
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}
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else {
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bypass_wifi_manager=(strcmp(bypass_wm,"1")==0 ||strcasecmp(bypass_wm,"y")==0);
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}
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ESP_LOGD(TAG,"Configuring Green led");
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led_config(LED_GREEN, LED_GREEN_GPIO, 0);
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ESP_LOGD(TAG,"Configuring Red led");
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led_config(LED_RED, LED_RED_GPIO, 0);
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/* start the wifi manager */
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ESP_LOGD(TAG,"Blinking led");
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led_blink(LED_GREEN, 250, 250);
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if(bypass_wifi_manager){
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ESP_LOGW(TAG,"\n\nwifi manager is disabled. Please use wifi commands to connect to your wifi access point.\n\n");
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}
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else {
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ESP_LOGW(TAG,"\n\nwifi manager is ENABLED. Starting...\n\n");
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wifi_manager_start();
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wifi_manager_set_callback(EVENT_STA_GOT_IP, &cb_connection_got_ip);
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wifi_manager_set_callback(WIFI_EVENT_STA_DISCONNECTED, &cb_connection_sta_disconnected);
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}
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console_start();
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if(fwurl && strlen(fwurl)>0){
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while(!bWifiConnected){
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wait_for_wifi();
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taskYIELD();
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}
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ESP_LOGI(TAG,"Updating firmware from link: %s",fwurl);
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start_ota(fwurl, true);
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free(fwurl);
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}
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}
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