From 9d3d0326471c76795d8b62325824b58993d61f17 Mon Sep 17 00:00:00 2001
From: randogoth <kflux@posteo.de>
Date: Sat, 27 Jul 2024 17:05:36 +0300
Subject: [PATCH] Arduino init

---
 README.md               |  13 +++-
 arduino/strix/strix.ino | 138 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 150 insertions(+), 1 deletion(-)
 create mode 100644 arduino/strix/strix.ino

diff --git a/README.md b/README.md
index 97641e1..526ac98 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,18 @@ Windows:
 
 ## FPGA Development
 
-- In Quartus > Open Project > select `strix.qpf` from the `fpga/src` directory in this repo.
+- Intel Quartus
+    - Open Project > select `strix.qpf` from the `fpga/src` directory in this repo.
+
+## MCU Development
+
+- Arduino IDE
+    - Boards Manager > Install 'Arduino SAMD Boards' (search for 'Vidor 4000')
+    - Library Manager > Install
+        - VidorPeripherals
+        - WiFiNINA (1.8.5, not higher)
+    - Open Project > `strix.ino` from the `arduino/strix` directory in this repo
+
 
 ## TODO
 
diff --git a/arduino/strix/strix.ino b/arduino/strix/strix.ino
new file mode 100644
index 0000000..a992354
--- /dev/null
+++ b/arduino/strix/strix.ino
@@ -0,0 +1,138 @@
+#include <SPI.h>
+#include <WiFiNINA.h>
+
+char ssid[] = "Strix";
+char pass[] = "owl12345678";
+int led =  LED_BUILTIN;
+int status = WL_IDLE_STATUS;
+WiFiServer server(80);
+
+void setup() {
+  //Initialize serial and wait for port to open:
+  Serial.begin(9600);
+  while (!Serial) {
+    ; // wait for serial port to connect. Needed for native USB port only
+  }
+
+  Serial.println("Access Point Web Server");
+
+  pinMode(led, OUTPUT);      // set the LED pin mode
+
+  // check for the WiFi module:
+  if (WiFi.status() == WL_NO_MODULE) {
+    Serial.println("Communication with WiFi module failed!");
+    // don't continue
+    while (true);
+  }
+
+  // by default the local IP address will be 192.168.4.1
+  // you can override it with the following:
+  // WiFi.config(IPAddress(10, 0, 0, 1));
+
+  // print the network name (SSID);
+  Serial.print("Creating access point named: ");
+  Serial.println(ssid);
+
+  // Create open network. Change this line if you want to create an WEP network:
+  status = WiFi.beginAP(ssid, pass);
+  if (status != WL_AP_LISTENING) {
+    Serial.println("Creating access point failed");
+    // don't continue
+    while (true);
+  }
+
+  // wait 10 seconds for connection:
+  delay(10000);
+
+  // start the web server on port 80
+  server.begin();
+
+  // you're connected now, so print out the status
+  printWiFiStatus();
+}
+
+
+void loop() {
+  // compare the previous status to the current status
+  if (status != WiFi.status()) {
+    // it has changed update the variable
+    status = WiFi.status();
+
+    if (status == WL_AP_CONNECTED) {
+      // a device has connected to the AP
+      Serial.println("Device connected to AP");
+    } else {
+      // a device has disconnected from the AP, and we are back in listening mode
+      Serial.println("Device disconnected from AP");
+    }
+  }
+ 
+  WiFiClient client = server.available();   // listen for incoming clients
+
+  if (client) {                             // if you get a client,
+    digitalWrite(led, LOW);
+    Serial.println("new client");           // print a message out the serial port
+    String currentLine = "";                // make a String to hold incoming data from the client
+    while (client.connected()) {            // loop while the client's connected
+      delayMicroseconds(10);                // This is required for the Arduino Nano RP2040 Connect - otherwise it will loop so fast that SPI will never be served.
+      if (client.available()) {             // if there's bytes to read from the client,
+        char c = client.read();             // read a byte, then
+        Serial.write(c);                    // print it out to the serial monitor
+        if (c == '\n') {                    // if the byte is a newline character
+
+          // if the current line is blank, you got two newline characters in a row.
+          // that's the end of the client HTTP request, so send a response:
+          if (currentLine.length() == 0) {
+            // HTTP headers always start with a response code (e.g. HTTP/1.1 200 OK)
+            // and a content-type so the client knows what's coming, then a blank line:
+            client.println("HTTP/1.1 200 OK");
+            client.println("Content-type:text/html");
+            client.println();
+
+            // the content of the HTTP response follows the header:
+            client.print("STRIX");
+
+            // The HTTP response ends with another blank line:
+            client.println();
+            // break out of the while loop:
+            break;
+          }
+          else {      // if you got a newline, then clear currentLine:
+            currentLine = "";
+          }
+        }
+        else if (c != '\r') {    // if you got anything else but a carriage return character,
+          currentLine += c;      // add it to the end of the currentLine
+        }
+
+        // Check to see if the client request was "GET /H" or "GET /L":
+        if (currentLine.endsWith("GET /H")) {
+          ;
+        }
+        if (currentLine.endsWith("GET /L")) {
+          ;
+        }
+      }
+    }
+    // close the connection:
+    client.stop();
+    digitalWrite(led, HIGH);
+    Serial.println("client disconnected");
+  }
+}
+
+void printWiFiStatus() {
+  // print the SSID of the network you're attached to:
+  Serial.print("SSID: ");
+  Serial.println(WiFi.SSID());
+
+  // print your WiFi shield's IP address:
+  IPAddress ip = WiFi.localIP();
+  Serial.print("IP Address: ");
+  Serial.println(ip);
+
+  // print where to go in a browser:
+  Serial.print("To see this page in action, open a browser to http://");
+  Serial.println(ip);
+
+}
\ No newline at end of file