ESP32 Forum

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void start_board_webserver() {
    IPAddress local_ip(192, 168, 4, 1);
    IPAddress subnet(255, 255, 255, 0);

    WiFi.persistent(false);
    WiFi.softAPConfig(local_ip, local_ip, subnet, IPAddress(192, 168, 4, 100));
    WiFi.softAP("FCOLLECTOR");
    delay(2000);

    IPAddress myIP = WiFi.softAPIP();
    Serial.println("WIFI AP started for setup on " + myIP.toString());

    server.on("/", webHandleRoot);
    server.serveStatic("/css", LittleFS, "/css", "max-age=43200");
    server.onNotFound(webHandleNotFound);
    server.begin();

    Serial.println("Setup webserver started on port 80");
}

void start_board_sensors_setup() {
    while (true) {
        esp_task_wdt_reset();
        server.handleClient();

	// return to normal mode if jumper removed
        pinMode(BOARD_SETUP_PIN, INPUT_PULLUP);
        if (digitalRead(BOARD_SETUP_PIN) == HIGH) {
            device_deep_sleep();
        }
        pinMode(BOARD_SETUP_PIN, INPUT);
    }
}

void setup() {
    ......
    pinMode(BOARD_SETUP_PIN, INPUT_PULLUP);
    sleep(1);
    if (digitalRead(BOARD_SETUP_PIN) != HIGH) {
        indicate_setup_mode();
        start_board_webserver();
        start_board_sensors_setup();
    }
    
    pinMode(BOARD_SETUP_PIN, INPUT);
    ......
}

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rst:0x1 (POWERON_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT)
onfigsip: 0, SPIWP:0xee
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00hd_drv:0x00,w_r:0x00
load:0x3fff0030,len:1184
load:0x40078000,len:13132
load:0x40080400,en:3036
entry 0x4008054
[     2][V][WiFiServer.h:42] WiFiServer(): WiFiServer::WiFiServer(port=80, ...)
[     3][V][WebServer.cpp:85] WebServer(): WebServer::Webserver(port=80)
[     9][D][esp32-hal-cpu.c:214] setCpuFrequencyMhz(): PLL: 320 / 4 = 80 Mhz, APB: 80000000 Hz
E (1347) psram: PSRAM ID read error: 0xffffffff
[    17][W][esp32-hal-psram.c:71] psramInit(): PSRAM init failed!
[  2194][D][WiFiGeneric.cpp:929] _eventCallback(): Arduino Event: 0 - WIFI_READY
[  2317][V][WiFiGeneric.cpp:97] set_esp_interface_ip(): Configuring SoftAP static IP: 192.168.4.1, MASK: 255.255.255.0, GW: 192.168.4.1
[  2317][V][WiFiGeneric.cpp:390] _arduino_event_cb(): AP Started
[  2324][D][WiFiGeneric.cpp:929] _eventCallback(): Arduino Event: 10 - AP_START
[  2331][V][WiFiGeneric.cpp:143] set_esp_interface_ip(): SoftAP: 192.168.4.1 | Gateway: 192.168.4.1 | DHCP Start: 192.168.4.100 | Netmask: 255.255.255.0
[  2344][V][WiFiGeneric.cpp:190] set_esp_interface_ip(): DHCP Server Range: 192.168.4.100 to 192.168.4.110
[  2356][V][WiFiGeneric.cpp:393] _arduino_event_cb(): AP Stopped
[  2359][D][WiFiGeneric.cpp:929] _eventCallback(): Arduino Event: 11 - AP_STOP
[  2360][V][WiFiGeneric.cpp:390] _arduino_event_cb(): AP Started
[  2372][D][WiFiGeneric.cpp:929] _eventCallback(): Arduino Event: 10 - AP_START
WIFI AP started for setup on 192.168.4.1
[  4383][V][RequestHandlersImpl.h:73] StaticRequestHandler(): StaticRequestHandler: path=/css uri=/css isFile=0, cache_header=max-age=43200

Setup webserver started on port 80
ADC analog value = 4.198
Battery level 100       

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Serial port COM4
Connecting....
Chip is ESP32-D0WD (revision 1)
Features: WiFi, BT, Dual Core, 240MHz, VRef calibration in efuse, Coding Scheme None
Crystal is 40MHz
MAC: 10:97:bd:12:5f:fc
Uploading stub...
Running stub...
Stub running...
Changing baud rate to 460800
Changed.
Configuring flash size...
Auto-detected Flash size: 4MB
Flash will be erased from 0x00210000 to 0x003fffff...
Compressed 2031616 bytes to 7847...
Writing at 0x00210000... (100 %)
Wrote 2031616 bytes (7847 compressed) at 0x00210000 in 11.5 seconds (effective 1408.9 kbit/s)...
Hash of data verified.

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[platformio]

[env:upstream_develop]
platform = espressif32
board = denky32
framework = arduino
lib_deps = 
	danilopinotti/Battery_18650_Stats@^1.0.0
	pstolarz/OneWireNg@^0.12.0
board_build.f_cpu = 80000000L
board_build.f_flash = 40000000L
board_build.partitions = no_ota.csv
board_build.filesystem = littlefs

build_flags = -DCORE_DEBUG_LEVEL=10

upload_port = COM4