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Add Async_AdvancedWebServer_Country
// See the list of country codes in // https://github.com/earlephilhower/cyw43-driver/blob/02533c10a018c6550e9f66f7699e21356f5e4609/src/cyw43_country.h#L59-L111 // To modify https://github.com/earlephilhower/arduino-pico/blob/master/variants/rpipicow/picow_init.cpp // Check #3 (comment)
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‎examples/Async_AdvancedWebServer_Country/Async_AdvancedWebServer_Country.ino

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/****************************************************************************************************************************
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Async_AdvancedWebServer.ino
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For RP2040W with CYW43439 WiFi
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AsyncWebServer_RP2040W is a library for the RP2040W with CYW43439 WiFi
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Based on and modified from ESPAsyncWebServer (https://github.com/me-no-dev/ESPAsyncWebServer)
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Built by Khoi Hoang https://github.com/khoih-prog/AsyncWebServer_RP2040W
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Licensed under GPLv3 license
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Copyright (c) 2015, Majenko Technologies
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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Redistributions in binary form must reproduce the above copyright notice, this
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list of conditions and the following disclaimer in the documentation and/or
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other materials provided with the distribution.
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Neither the name of Majenko Technologies nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************************************************************/
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// See the list of country codes in
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// https://github.com/earlephilhower/cyw43-driver/blob/02533c10a018c6550e9f66f7699e21356f5e4609/src/cyw43_country.h#L59-L111
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// To modify https://github.com/earlephilhower/arduino-pico/blob/master/variants/rpipicow/picow_init.cpp
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// Check https://github.com/khoih-prog/AsyncWebServer_RP2040W/issues/3#issuecomment-1255676644
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#if !( defined(ARDUINO_RASPBERRY_PI_PICO_W) )
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#error For RASPBERRY_PI_PICO_W only
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#endif
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#define _RP2040W_AWS_LOGLEVEL_ 1
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///////////////////////////////////////////////////////////////////
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#include <pico/cyw43_arch.h>
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///////////////////////////////////////////////////////////////////
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#include <AsyncWebServer_RP2040W.h>
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char ssid[] = "your_ssid"; // your network SSID (name)
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char pass[] = "12345678"; // your network password (use for WPA, or use as key for WEP), length must be 8+
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int status = WL_IDLE_STATUS;
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AsyncWebServer server(80);
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int reqCount = 0; // number of requests received
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#define LED_OFF LOW
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#define LED_ON HIGH
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#define BUFFER_SIZE 512
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char temp[BUFFER_SIZE];
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void handleRoot(AsyncWebServerRequest *request)
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{
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digitalWrite(LED_BUILTIN, LED_ON);
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int sec = millis() / 1000;
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int min = sec / 60;
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int hr = min / 60;
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int day = hr / 24;
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snprintf(temp, BUFFER_SIZE - 1,
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"<html>\
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<head>\
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<meta http-equiv='refresh' content='5'/>\
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<title>AsyncWebServer-%s</title>\
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<style>\
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body { background-color: #cccccc; font-family: Arial, Helvetica, Sans-Serif; Color: #000088; }\
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</style>\
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</head>\
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<body>\
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<h2>AsyncWebServer_RP2040W!</h2>\
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<h3>running WiFi on %s</h3>\
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<p>Uptime: %d d %02d:%02d:%02d</p>\
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<img src=\"/test.svg\" />\
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</body>\
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</html>", BOARD_NAME, BOARD_NAME, day, hr % 24, min % 60, sec % 60);
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request->send(200, "text/html", temp);
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digitalWrite(LED_BUILTIN, LED_OFF);
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}
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void handleNotFound(AsyncWebServerRequest *request)
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{
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digitalWrite(LED_BUILTIN, LED_ON);
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String message = "File Not Found\n\n";
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message += "URI: ";
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message += request->url();
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message += "\nMethod: ";
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message += (request->method() == HTTP_GET) ? "GET" : "POST";
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message += "\nArguments: ";
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message += request->args();
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message += "\n";
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for (uint8_t i = 0; i < request->args(); i++)
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{
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message += " " + request->argName(i) + ": " + request->arg(i) + "\n";
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}
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request->send(404, "text/plain", message);
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digitalWrite(LED_BUILTIN, LED_OFF);
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}
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void drawGraph(AsyncWebServerRequest *request)
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{
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String out;
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out.reserve(3000);
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char temp[70];
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digitalWrite(LED_BUILTIN, LED_ON);
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out += "<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\" width=\"310\" height=\"150\">\n";
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out += "<rect width=\"310\" height=\"150\" fill=\"rgb(250, 230, 210)\" stroke-width=\"2\" stroke=\"rgb(0, 0, 0)\" />\n";
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out += "<g stroke=\"blue\">\n";
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int y = rand() % 130;
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for (int x = 10; x < 300; x += 10)
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{
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int y2 = rand() % 130;
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sprintf(temp, "<line x1=\"%d\" y1=\"%d\" x2=\"%d\" y2=\"%d\" stroke-width=\"2\" />\n", x, 140 - y, x + 10, 140 - y2);
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out += temp;
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y = y2;
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}
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out += "</g>\n</svg>\n";
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request->send(200, "image/svg+xml", out);
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digitalWrite(LED_BUILTIN, LED_OFF);
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}
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void printWifiStatus()
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{
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// print the SSID of the network you're attached to:
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Serial.print("SSID: ");
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Serial.println(WiFi.SSID());
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// print your board's IP address:
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IPAddress ip = WiFi.localIP();
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Serial.print("Local IP Address: ");
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Serial.println(ip);
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// print your board's country code
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// #define CYW43_COUNTRY(A, B, REV) ((unsigned char)(A) | ((unsigned char)(B) << 8) | ((REV) << 16))
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uint32_t myCountryCode = cyw43_arch_get_country_code();
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char countryCode[3] = { 0, 0, 0 };
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countryCode[0] = myCountryCode & 0xFF;
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countryCode[1] = (myCountryCode >> 8) & 0xFF;
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Serial.print("Country code: "); Serial.println(countryCode);
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}
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void setup()
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{
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pinMode(LED_BUILTIN, OUTPUT);
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digitalWrite(LED_BUILTIN, LED_OFF);
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Serial.begin(115200);
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while (!Serial);
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delay(200);
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Serial.print("\nStart Async_AdvancedWebServer_Country on "); Serial.print(BOARD_NAME);
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Serial.print(" with "); Serial.println(SHIELD_TYPE);
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Serial.println(ASYNCTCP_RP2040W_VERSION);
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Serial.println(ASYNC_WEBSERVER_RP2040W_VERSION);
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///////////////////////////////////
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// check for the WiFi module:
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if (WiFi.status() == WL_NO_MODULE)
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{
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Serial.println("Communication with WiFi module failed!");
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// don't continue
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while (true);
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}
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Serial.print(F("Connecting to SSID: "));
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Serial.println(ssid);
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status = WiFi.begin(ssid, pass);
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delay(1000);
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// attempt to connect to WiFi network
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while ( status != WL_CONNECTED)
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{
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delay(500);
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// Connect to WPA/WPA2 network
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status = WiFi.status();
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}
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printWifiStatus();
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///////////////////////////////////
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server.on("/", HTTP_GET, [](AsyncWebServerRequest * request)
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{
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handleRoot(request);
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});
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server.on("/test.svg", HTTP_GET, [](AsyncWebServerRequest * request)
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{
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drawGraph(request);
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});
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server.on("/inline", [](AsyncWebServerRequest * request)
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{
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request->send(200, "text/plain", "This works as well");
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});
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server.onNotFound(handleNotFound);
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server.begin();
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Serial.print(F("HTTP EthernetWebServer is @ IP : "));
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Serial.println(WiFi.localIP());
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}
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void heartBeatPrint()
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{
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static int num = 1;
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Serial.print(F("."));
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if (num == 80)
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{
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Serial.println();
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num = 1;
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}
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else if (num++ % 10 == 0)
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{
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Serial.print(F(" "));
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}
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}
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void check_status()
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{
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static unsigned long checkstatus_timeout = 0;
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#define STATUS_CHECK_INTERVAL 10000L
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// Send status report every STATUS_REPORT_INTERVAL (60) seconds: we don't need to send updates frequently if there is no status change.
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if ((millis() > checkstatus_timeout) || (checkstatus_timeout == 0))
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{
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heartBeatPrint();
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checkstatus_timeout = millis() + STATUS_CHECK_INTERVAL;
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}
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}
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void loop()
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{
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check_status();
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}

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