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e9ba659b4f99e760c1792541257977b87a38626a
squeezelite-esp32/main/esp_app_main.c
Sebastien e9ba659b4f Refactor configuration. needs new recovery image! -- release 
In order to use this new release, it is recommended to erase the flash
and replace the recovery partition with one that is at least at this
level.
2019-11-07 14:00:16 -05:00

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/*
* Squeezelite for esp32
*
* (c) Sebastien 2019
* Philippe G. 2019, philippe_44@outlook.com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "platform_esp32.h"
#include "led.h"
#include <stdio.h>
#include <string.h>
#include "freertos/FreeRTOS.h"
#include "driver/gpio.h"
#include "driver/spi_master.h"
#include "freertos/task.h"
#include "esp_system.h"
#include "esp_spi_flash.h"
#include "esp_wifi.h"
#include "esp_system.h"
#include "esp_event_loop.h"
#include "nvs_flash.h"
#include "esp_log.h"
#include "freertos/event_groups.h"
#include "mdns.h"
#include "lwip/api.h"
#include "lwip/err.h"
#include "lwip/netdb.h"
#include "nvs_utilities.h"
#include "http_server.h"
#include "trace.h"
#include "wifi_manager.h"
#include "squeezelite-ota.h"
#include <math.h>
#include "config.h"
EventGroupHandle_t wifi_event_group;
bool enable_bt_sink=false;
bool enable_airplay=false;
bool jack_mutes_amp=false;
bool bypass_wifi_manager=false;
const int CONNECTED_BIT = BIT0;
#define JOIN_TIMEOUT_MS (10000)
#define LOCAL_MAC_SIZE 20
static const char TAG[] = "esp_app_main";
#define DEFAULT_HOST_NAME "squeezelite"
char * fwurl = NULL;
#ifdef CONFIG_SQUEEZEAMP
#define LED_GREEN_GPIO 12
#define LED_RED_GPIO 13
#else
#define LED_GREEN_GPIO -1
#define LED_RED_GPIO -1
#endif
static bool bWifiConnected=false;
/* brief this is an exemple of a callback that you can setup in your own app to get notified of wifi manager event */
void cb_connection_got_ip(void *pvParameter){
ESP_LOGI(TAG, "I have a connection!");
xEventGroupSetBits(wifi_event_group, CONNECTED_BIT);
bWifiConnected=true;
led_unpush(LED_GREEN);
}
void cb_connection_sta_disconnected(void *pvParameter){
led_blink_pushed(LED_GREEN, 250, 250);
bWifiConnected=false;
xEventGroupClearBits(wifi_event_group, CONNECTED_BIT);
}
bool wait_for_wifi(){
bool connected=(xEventGroupGetBits(wifi_event_group) & CONNECTED_BIT)!=0;
if(!connected){
ESP_LOGD(TAG,"Waiting for WiFi...");
connected = (xEventGroupWaitBits(wifi_event_group, CONNECTED_BIT,
pdFALSE, pdTRUE, JOIN_TIMEOUT_MS / portTICK_PERIOD_MS)& CONNECTED_BIT)!=0;
if(!connected){
ESP_LOGW(TAG,"wifi timeout.");
}
else
{
ESP_LOGI(TAG,"WiFi Connected!");
}
}
return connected;
}
char * process_ota_url(){
ESP_LOGI(TAG,"Checking for update url");
char * fwurl=config_alloc_get(NVS_TYPE_STR, "fwurl");
if(fwurl!=NULL)
{
ESP_LOGD(TAG,"Deleting nvs entry for Firmware URL %s", fwurl);
config_delete_key("fwurl");
}
return fwurl;
}
//CONFIG_SDIF_NUM=0
//CONFIG_SPDIF_BCK_IO=26
//CONFIG_SPDIF_WS_IO=25
//CONFIG_SPDIF_DO_IO=15
//CONFIG_A2DP_CONTROL_DELAY_MS=500
//CONFIG_A2DP_CONNECT_TIMEOUT_MS=1000
//CONFIG_WIFI_MANAGER_MAX_RETRY=2
u16_t get_adjusted_volume(u16_t volume){
char * str_factor = config_alloc_get_default(NVS_TYPE_STR, "volumefactor", "3", 0);
if(str_factor != NULL ){
float factor = atof(str_factor);
free(str_factor);
return (u16_t) (65536.0f * powf( (volume/ 128.0f), factor) );
}
else {
ESP_LOGW(TAG,"Error retrieving volume factor. Returning unmodified volume level. ");
return volume;
}
}
void register_default_nvs(){
uint8_t mac[6];
char macStr[LOCAL_MAC_SIZE+1];
char default_ap_name[strlen(CONFIG_DEFAULT_AP_SSID)+sizeof(macStr)];
char default_host_name[strlen(DEFAULT_HOST_NAME)+sizeof(macStr)];
char default_command_line[strlen(CONFIG_DEFAULT_COMMAND_LINE)+sizeof(macStr)];
esp_read_mac((uint8_t *)&mac, ESP_MAC_WIFI_STA);
snprintf(macStr, LOCAL_MAC_SIZE-1,"-%x%x%x", mac[3], mac[4], mac[5]);
strcpy(default_ap_name,CONFIG_DEFAULT_AP_SSID);
strcat(default_ap_name,macStr);
strcpy(default_host_name,DEFAULT_HOST_NAME);
strcat(default_host_name,macStr);
strncpy(default_command_line, CONFIG_DEFAULT_COMMAND_LINE,sizeof(default_command_line)-1);
strncat(default_command_line, " -n ",sizeof(default_command_line)-1);
strncat(default_command_line, default_host_name,sizeof(default_command_line)-1);
ESP_LOGD(TAG,"Registering default value for key %s, value %s", "autoexec", "1");
config_set_default(NVS_TYPE_STR,"autoexec","1", 0);
ESP_LOGD(TAG,"Registering default value for key %s, value %s", "autoexec1",default_command_line);
config_set_default(NVS_TYPE_STR,"autoexec1",default_command_line,0);
ESP_LOGD(TAG,"Registering default value for key %s, value %s", "volumefactor", "3");
config_set_default(NVS_TYPE_STR, "volumefactor", "3", 0);
ESP_LOGD(TAG,"Registering default value for key %s, value %s", "bt_name", CONFIG_BT_NAME);
config_set_default(NVS_TYPE_STR, "bt_name", CONFIG_BT_NAME, 0);
ESP_LOGD(TAG,"Registering default value for key %s, value %s", "bt_sink_pin", STR(CONFIG_BT_SINK_PIN));
config_set_default(NVS_TYPE_STR, "bt_sink_pin", STR(CONFIG_BT_SINK_PIN), 0);
ESP_LOGD(TAG,"Registering default value for key %s, value %s", "host_name", default_host_name);
config_set_default(NVS_TYPE_STR, "host_name", default_host_name, 0);
ESP_LOGD(TAG,"Registering default value for key %s, value %s", "release_url", SQUEEZELITE_ESP32_RELEASE_URL);
config_set_default(NVS_TYPE_STR, "release_url", SQUEEZELITE_ESP32_RELEASE_URL, 0);
ESP_LOGD(TAG,"Registering default value for key %s, value %s","ap_ip_address",CONFIG_DEFAULT_AP_IP );
config_set_default(NVS_TYPE_STR, "ap_ip_address",CONFIG_DEFAULT_AP_IP , 0);
ESP_LOGD(TAG,"Registering default value for key %s, value %s", "ap_ip_gateway",CONFIG_DEFAULT_AP_GATEWAY );
config_set_default(NVS_TYPE_STR, "ap_ip_gateway",CONFIG_DEFAULT_AP_GATEWAY , 0);
ESP_LOGD(TAG,"Registering default value for key %s, value %s","ap_ip_netmask",CONFIG_DEFAULT_AP_NETMASK );
config_set_default(NVS_TYPE_STR, "ap_ip_netmask",CONFIG_DEFAULT_AP_NETMASK , 0);
ESP_LOGD(TAG,"Registering default value for key %s, value %s", "ap_channel",STR(CONFIG_DEFAULT_AP_CHANNEL));
config_set_default(NVS_TYPE_STR, "ap_channel",STR(CONFIG_DEFAULT_AP_CHANNEL) , 0);
ESP_LOGD(TAG,"Registering default value for key %s, value %s", "ap_ssid", default_ap_name);
config_set_default(NVS_TYPE_STR, "ap_ssid",default_ap_name , 0);
ESP_LOGD(TAG,"Registering default value for key %s, value %s", "ap_pwd", CONFIG_DEFAULT_AP_PASSWORD);
config_set_default(NVS_TYPE_STR, "ap_pwd", CONFIG_DEFAULT_AP_PASSWORD, 0);
ESP_LOGD(TAG,"Registering default value for key %s, value %s", "airplay_name",CONFIG_AIRPLAY_NAME);
config_set_default(NVS_TYPE_STR, "airplay_name",CONFIG_AIRPLAY_NAME , 0);
ESP_LOGD(TAG,"Registering default value for key %s, value %s", "airplay_port", CONFIG_AIRPLAY_PORT);
config_set_default(NVS_TYPE_STR, "airplay_port", CONFIG_AIRPLAY_PORT, 0);
ESP_LOGD(TAG,"Registering default value for key %s, value %s", "a2dp_sink_name", CONFIG_A2DP_SINK_NAME);
config_set_default(NVS_TYPE_STR, "a2dp_sink_name", CONFIG_A2DP_SINK_NAME, 0);
ESP_LOGD(TAG,"Registering default value for key %s, value %s", "a2dp_dev_name", CONFIG_A2DP_DEV_NAME);
config_set_default(NVS_TYPE_STR, "a2dp_dev_name", CONFIG_A2DP_DEV_NAME, 0);
ESP_LOGD(TAG,"Registering default value for key %s, value %s", "bypass_wm", "0");
config_set_default(NVS_TYPE_STR, "bypass_wm", "0", 0);
ESP_LOGD(TAG,"Registering default value for key %s, value %s", "enable_bt_sink", STR(CONFIG_BT_SINK));
char * flag = config_alloc_get_default(NVS_TYPE_STR, "enable_bt_sink", STR(CONFIG_BT_SINK), 0);
if(flag !=NULL){
enable_bt_sink= (strcmp(flag,"1")==0 ||strcasecmp(flag,"y")==0);
free(flag);
}
else {
ESP_LOGE(TAG,"Unable to get flag 'enable_bt_sink'");
}
ESP_LOGD(TAG,"Registering default value for key %s, value %s", "enable_airplay", STR(CONFIG_AIRPLAY_SINK));
flag = config_alloc_get_default(NVS_TYPE_STR, "enable_airplay", STR(CONFIG_AIRPLAY_SINK), 0);
if(flag !=NULL){
enable_airplay= (strcmp(flag,"1")==0 ||strcasecmp(flag,"y")==0);
free(flag);
}
else {
ESP_LOGE(TAG,"Unable to get flag 'enable_airplay'");
}
ESP_LOGD(TAG,"Registering default value for key %s, value %s", "jack_mutes_amp", "n");
flag = config_alloc_get_default(NVS_TYPE_STR, "jack_mutes_amp", "n", 0);
if(flag !=NULL){
jack_mutes_amp= (strcmp(flag,"1")==0 ||strcasecmp(flag,"y")==0);
free(flag);
}
else {
ESP_LOGE(TAG,"Unable to get flag 'jack_mutes_amp'");
}
ESP_LOGD(TAG,"Done setting default values in nvs.");
}
void app_main()
{
char * fwurl = NULL;
ESP_LOGD(TAG,"Creating event group for wifi");
wifi_event_group = xEventGroupCreate();
ESP_LOGD(TAG,"Clearing CONNECTED_BIT from wifi group");
xEventGroupClearBits(wifi_event_group, CONNECTED_BIT);
ESP_LOGI(TAG,"Starting app_main");
initialize_nvs();
ESP_LOGI(TAG,"Setting up config subsystem.");
config_init();
ESP_LOGD(TAG,"Registering default values");
register_default_nvs();
ESP_LOGD(TAG,"Getting firmware OTA URL (if any)");
fwurl = process_ota_url();
ESP_LOGD(TAG,"Getting value for WM bypass, nvs 'bypass_wm'");
char * bypass_wm = config_alloc_get_default(NVS_TYPE_STR, "bypass_wm", "0", 0);
if(bypass_wm==NULL)
{
ESP_LOGE(TAG, "Unable to retrieve the Wifi Manager bypass flag");
bypass_wifi_manager = false;
}
else {
bypass_wifi_manager=(strcmp(bypass_wm,"1")==0 ||strcasecmp(bypass_wm,"y")==0);
}
ESP_LOGD(TAG,"Configuring Green led");
led_config(LED_GREEN, LED_GREEN_GPIO, 0);
ESP_LOGD(TAG,"Configuring Red led");
led_config(LED_RED, LED_RED_GPIO, 0);
/* start the wifi manager */
ESP_LOGD(TAG,"Blinking led");
led_blink(LED_GREEN, 250, 250);
if(bypass_wifi_manager){
ESP_LOGW(TAG,"\n\nwifi manager is disabled. Please use wifi commands to connect to your wifi access point.\n\n");
}
else {
ESP_LOGW(TAG,"\n\nwifi manager is ENABLED. Starting...\n\n");
wifi_manager_start();
wifi_manager_set_callback(EVENT_STA_GOT_IP, &cb_connection_got_ip);
wifi_manager_set_callback(WIFI_EVENT_STA_DISCONNECTED, &cb_connection_sta_disconnected);
}
console_start();
if(fwurl && strlen(fwurl)>0){
while(!bWifiConnected){
wait_for_wifi();
taskYIELD();
}
ESP_LOGI(TAG,"Updating firmware from link: %s",fwurl);
start_ota(fwurl, true);
free(fwurl);
}
}
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