update instructions

README.md

@@ -12,3 +12,22 @@ Store WiFi secrets in a secrets.h like this:
 #define SSID      "your-ssid"
 #define PASSWORD  "your-password"
 ```
+
+## Circuit
+
+Circuit:
+
+- LED attached to pin 13 (optional)
+- IR Transmitter attached to pin 4 (connect to 5v or 3v3)
+- SD-Module to load HTML and CSS from SD-card
+
+Connect the SD card to the following pins:
+
+SD Card | ESP32
+------- | -----
+3v3     | 3.3V
+CS      | 5
+MOSI    | 23
+CLK     | 18
+MISO    | 19
+GND     | GND

arduino-sony-minidisc-ir-remote.ino

@@ -14,19 +14,20 @@
 
 
  Circuit:
- * LED attached to pin 13 (optional)
+ - LED attached to pin 13 (optional)
- * IR Transmitter attached to pin 4 (connect to 5v or 3v3)
+ - IR Transmitter attached to pin 4 (connect to 5v or 3v3)
- * SD-Module to load HTML and CSS from SD-card
+ - SD-Module to load HTML and CSS from SD-card
- *
+
- * Connect the SD card to the following pins:
+ Connect the SD card to the following pins:
- *
+
- * SD Card | ESP32
+ SD Card | ESP32
- *  3v3      3.3V
+ ------- | -----
- *  CS       5
+ 3v3     | 3.3V
- *  MOSI     23
+ CS      | 5
- *  CLK      18
+ MOSI    | 23
- *  MISO     19
+ CLK     | 18
- *  GND      GND
+ MISO    | 19
+ GND     | GND
 
  developed for the ESP32vn IoT Uni board 2024
  */
@@ -41,95 +42,112 @@
 
 WiFiServer server(80);
 
-
 /**** SD-Card Functions ****/
-void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
+void listDir(fs::FS &fs, const char *dirname, uint8_t levels)
-    Serial.printf("Listing directory: %s\n", dirname);
+{
+  Serial.printf("Listing directory: %s\n", dirname);
 
-    File root = fs.open(dirname);
+  File root = fs.open(dirname);
-    if(!root){
+  if (!root)
-        Serial.println("Failed to open directory");
+  {
-        return;
+    Serial.println("Failed to open directory");
-    }
+    return;
-    if(!root.isDirectory()){
+  }
-        Serial.println("Not a directory");
+  if (!root.isDirectory())
-        return;
+  {
-    }
+    Serial.println("Not a directory");
+    return;
+  }
 
-    File file = root.openNextFile();
+  File file = root.openNextFile();
-    while(file){
+  while (file)
-        if(file.isDirectory()){
+  {
-            Serial.print("  DIR : ");
+    if (file.isDirectory())
-            Serial.println(file.name());
+    {
-            if(levels){
+      Serial.print("  DIR : ");
-                listDir(fs, file.path(), levels -1);
+      Serial.println(file.name());
-            }
+      if (levels)
-        } else {
+      {
-            Serial.print("  FILE: ");
+        listDir(fs, file.path(), levels - 1);
-            Serial.print(file.name());
+      }
-            Serial.print("  SIZE: ");
-            Serial.println(file.size());
-        }
-        file = root.openNextFile();
     }
+    else
+    {
+      Serial.print("  FILE: ");
+      Serial.print(file.name());
+      Serial.print("  SIZE: ");
+      Serial.println(file.size());
+    }
+    file = root.openNextFile();
+  }
 }
 
-void readFile(fs::FS &fs, const char * path){
+void readFile(fs::FS &fs, const char *path)
-    Serial.printf("Reading file: %s\n", path);
+{
+  Serial.printf("Reading file: %s\n", path);
 
-    File file = fs.open(path);
+  File file = fs.open(path);
-    if(!file){
+  if (!file)
-        Serial.println("Failed to open file for reading");
+  {
-        return;
+    Serial.println("Failed to open file for reading");
-    }
+    return;
+  }
 
-    Serial.print("Read from file: ");
+  Serial.print("Read from file: ");
-    while(file.available()){
+  while (file.available())
-        Serial.write(file.read());
+  {
-    }
+    Serial.write(file.read());
-    file.close();
+  }
+  file.close();
 }
 
-void testFileIO(fs::FS &fs, const char * path){
+void testFileIO(fs::FS &fs, const char *path)
-    File file = fs.open(path);
+{
-    static uint8_t buf[512];
+  File file = fs.open(path);
-    size_t len = 0;
+  static uint8_t buf[512];
-    uint32_t start = millis();
+  size_t len = 0;
-    uint32_t end = start;
+  uint32_t start = millis();
-    if(file){
+  uint32_t end = start;
-        len = file.size();
+  if (file)
-        size_t flen = len;
+  {
-        start = millis();
+    len = file.size();
-        while(len){
+    size_t flen = len;
-            size_t toRead = len;
-            if(toRead > 512){
-                toRead = 512;
-            }
-            file.read(buf, toRead);
-            len -= toRead;
-        }
-        end = millis() - start;
-        Serial.printf("%u bytes read for %u ms\n", flen, end);
-        file.close();
-    } else {
-        Serial.println("Failed to open file for reading");
-    }
-
-
-    file = fs.open(path, FILE_WRITE);
-    if(!file){
-        Serial.println("Failed to open file for writing");
-        return;
-    }
-
-    size_t i;
     start = millis();
-    for(i=0; i<2048; i++){
+    while (len)
-        file.write(buf, 512);
+    {
+      size_t toRead = len;
+      if (toRead > 512)
+      {
+        toRead = 512;
+      }
+      file.read(buf, toRead);
+      len -= toRead;
     }
     end = millis() - start;
-    Serial.printf("%u bytes written for %u ms\n", 2048 * 512, end);
+    Serial.printf("%u bytes read for %u ms\n", flen, end);
     file.close();
+  }
+  else
+  {
+    Serial.println("Failed to open file for reading");
+  }
+
+  file = fs.open(path, FILE_WRITE);
+  if (!file)
+  {
+    Serial.println("Failed to open file for writing");
+    return;
+  }
+
+  size_t i;
+  start = millis();
+  for (i = 0; i < 2048; i++)
+  {
+    file.write(buf, 512);
+  }
+  end = millis() - start;
+  Serial.printf("%u bytes written for %u ms\n", 2048 * 512, end);
+  file.close();
 }
 
 /* ============ IR Functions ============ */
@@ -141,34 +159,44 @@ void sendButton(int command)
 }
 
 /* ============ Setup ============ */
-void setup() {
+void setup()
+{
   Serial.begin(115200);
 
-  pinMode(LED_PIN, OUTPUT);  // set the LED pin mode
+  pinMode(LED_PIN, OUTPUT); // set the LED pin mode
 
   delay(10);
 
   /* ============ SD-Card Setup ============ */
-  if(!SD.begin()){
+  if (!SD.begin())
-        Serial.println("Card Mount Failed");
+  {
-        return;
+    Serial.println("Card Mount Failed");
-    }
+    return;
+  }
   uint8_t cardType = SD.cardType();
 
-  if(cardType == CARD_NONE){
+  if (cardType == CARD_NONE)
-      Serial.println("No SD card attached");
+  {
-      return;
+    Serial.println("No SD card attached");
+    return;
   }
 
   Serial.print("SD Card Type: ");
-  if(cardType == CARD_MMC){
+  if (cardType == CARD_MMC)
-      Serial.println("MMC");
+  {
-  } else if(cardType == CARD_SD){
+    Serial.println("MMC");
-      Serial.println("SDSC");
+  }
-  } else if(cardType == CARD_SDHC){
+  else if (cardType == CARD_SD)
-      Serial.println("SDHC");
+  {
-  } else {
+    Serial.println("SDSC");
-      Serial.println("UNKNOWN");
+  }
+  else if (cardType == CARD_SDHC)
+  {
+    Serial.println("SDHC");
+  }
+  else
+  {
+    Serial.println("UNKNOWN");
   }
 
   uint64_t cardSize = SD.cardSize() / (1024 * 1024);
@@ -179,9 +207,8 @@ void setup() {
   Serial.printf("Total space: %lluMB\n", SD.totalBytes() / (1024 * 1024));
   Serial.printf("Used space: %lluMB\n", SD.usedBytes() / (1024 * 1024));
 
-
   /* ============ IR Setup ============ */
-  IrSender.begin(IR_SEND_PIN, ENABLE_LED_FEEDBACK, USE_DEFAULT_FEEDBACK_LED_PIN);  // Specify send pin and enable feedback LED at default feedback LED pin
+  IrSender.begin(IR_SEND_PIN, ENABLE_LED_FEEDBACK, USE_DEFAULT_FEEDBACK_LED_PIN); // Specify send pin and enable feedback LED at default feedback LED pin
   Serial.println();
   Serial.print(F("Send IR signals at pin "));
   Serial.println(IR_SEND_PIN);
@@ -197,7 +224,8 @@ void setup() {
 
   WiFi.begin(SSID, PASSWORD);
 
-  while (WiFi.status() != WL_CONNECTED) {
+  while (WiFi.status() != WL_CONNECTED)
+  {
     delay(500);
     Serial.print(".");
   }
@@ -210,21 +238,27 @@ void setup() {
   server.begin();
 }
 
-void loop() {
+void loop()
-  WiFiClient client = server.available();  // listen for incoming clients
+{
+  WiFiClient client = server.available(); // listen for incoming clients
 
-  if (client) {                     // if you get a client,
+  if (client)
-    Serial.println("New Client.");  // print a message out the serial port
+  {                                // if you get a client,
-    String currentLine = "";        // make a String to hold incoming data from the client
+    Serial.println("New Client."); // print a message out the serial port
-    while (client.connected()) {    // loop while the client's connected
+    String currentLine = "";       // make a String to hold incoming data from the client
-      if (client.available()) {     // if there's bytes to read from the client,
+    while (client.connected())
-        char c = client.read();     // read a byte, then
+    { // loop while the client's connected
-        Serial.write(c);            // print it out the serial monitor
+      if (client.available())
-        if (c == '\n') {            // if the byte is a newline character
+      {                         // if there's bytes to read from the client,
+        char c = client.read(); // read a byte, then
+        Serial.write(c);        // print it out 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) {
+          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");
@@ -239,39 +273,52 @@ void loop() {
             client.println();
             // break out of the while loop:
             break;
-          } else {  // if you got a newline, then clear currentLine:
+          }
+          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
+        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 /H"))
-          digitalWrite(LED_PIN, HIGH);  // GET /H turns the LED on
+        {
+          digitalWrite(LED_PIN, HIGH); // GET /H turns the LED on
         }
-        if (currentLine.endsWith("GET /L")) {
+        if (currentLine.endsWith("GET /L"))
-          digitalWrite(LED_PIN, LOW);  // GET /L turns the LED off
+        {
+          digitalWrite(LED_PIN, LOW); // GET /L turns the LED off
         }
-        if (currentLine.endsWith("GET /power")) {
+        if (currentLine.endsWith("GET /power"))
+        {
           sendButton(POWER);
         }
-        if (currentLine.endsWith("GET /play")) {
+        if (currentLine.endsWith("GET /play"))
+        {
           sendButton(PLAY);
         }
-        if (currentLine.endsWith("GET /pause")) {
+        if (currentLine.endsWith("GET /pause"))
+        {
           sendButton(PAUSE);
         }
-        if (currentLine.endsWith("GET /stop")) {
+        if (currentLine.endsWith("GET /stop"))
+        {
           sendButton(STOP);
         }
-        if (currentLine.endsWith("GET /prev")) {
+        if (currentLine.endsWith("GET /prev"))
+        {
           sendButton(PREV);
         }
-        if (currentLine.endsWith("GET /next")) {
+        if (currentLine.endsWith("GET /next"))
+        {
           sendButton(NEXT);
         }
-        if (currentLine.endsWith("POST /api/control-deck")) {
+        if (currentLine.endsWith("POST /api/control-deck"))
+        {
 
           Serial.println("POST");
           char c = client.read();
@@ -284,5 +331,3 @@ void loop() {
     Serial.println("Client Disconnected.");
   }
 }
-
-