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Ci-dessous, les différences entre deux révisions de la page.

--- documentation:microcontroleurs:arduino:modules:sdcard:index [2021/06/24 16:01] – f1sls
+++ documentation:microcontroleurs:arduino:modules:sdcard:index [2022/09/13 08:29] (Version actuelle) – [PINOUTS] f1sls
@@ Ligne 2: / Ligne 2: @@
 ====== MODULES SD CARD ======
-===== PINOUT =====
+===== PINOUTS =====
 {{:documentation:microcontroleurs:arduino:modules:sdcard:ds3231-sd-module-pinout.jpg?direct&600|}}
+----
+{{:documentation:microcontroleurs:arduino:modules:sdcard:micro-sd-tf-card-module-pinout-spi.png|}}
 ===== SD-CARD + ARDUINO =====
 {{:documentation:microcontroleurs:arduino:modules:sdcard:ds3231-sd-card-module-circuit.jpg?direct&600|}}
+----
+{{:documentation:microcontroleurs:arduino:modules:sdcard:sdcard_modules_wiring.jpeg?direct&800|}}
+----
+{{:documentation:microcontroleurs:arduino:modules:sdcard:sdcardarduinonano.png|}}
 ===== CODE =====
-<code c++>
+==== WRITING ====
+<code cpp>
 #include <SPI.h>
 #include <SD.h>
 File myFile;
 void setup() {
-// Open serial communications and wait for port to open:
-Serial.begin(9600);
+  // Open serial communications and wait for port to open:
-while (!Serial) {
+  Serial.begin(9600);
-; // wait for serial port to connect. Needed for native USB port only
+  while (!Serial) {
+   ; // wait for serial port to connect. Needed for native USB port only
+  }
+  Serial.print("Initializing SD card...");
+  if (!SD.begin(10)) {
+  Serial.println("initialization failed!");
+  while (1);
+  }
+  Serial.println("initialization done.");
+  // open the file. note that only one file can be open at a time,
+  // so you have to close this one before opening another.
+  myFile = SD.open("test.txt", FILE_WRITE);
+  // if the file opened okay, write to it:
+  if (myFile) {
+  Serial.print("Writing to test.txt...");
+  myFile.println("This is a test file :)");
+  myFile.println("testing 1, 2, 3.");
+  for (int i = 0; i < 20; i++) {
+    myFile.println(i);
+  }
+  // close the file:
+  myFile.close();
+  Serial.println("done.");
+  } else {
+    // if the file didn't open, print an error:
+    Serial.println("error opening test.txt");
+  }
 }
-Serial.print("Initializing SD card...");
-if (!SD.begin(10)) {
+void loop() {
-Serial.println("initialization failed!");
+ // nothing happens after setup
-while (1);
-}
-Serial.println("initialization done.");
-// open the file. note that only one file can be open at a time,
-// so you have to close this one before opening another.
-myFile = SD.open("test.txt", FILE_WRITE);
-// if the file opened okay, write to it:
-if (myFile) {
-Serial.print("Writing to test.txt...");
-myFile.println("This is a test file :)");
-myFile.println("testing 1, 2, 3.");
-for (int i = 0; i < 20; i++) {
-myFile.println(i);
-}
-// close the file:
-myFile.close();
-Serial.println("done.");
-} else {
-// if the file didn't open, print an error:
-Serial.println("error opening test.txt");
 }
+</code>
+==== READING ====
+<code cpp>
+#include <SPI.h>
+#include <SD.h>
+File myFile;
+void setup() {
+  // Open serial communications and wait for port to open:
+  Serial.begin(9600);
+  while (!Serial) {
+    ; // wait for serial port to connect. Needed for native USB port only
+  }
+  Serial.print("Initializing SD card...");
+  if (!SD.begin(10)) {
+    Serial.println("initialization failed!");
+    while (1);
+  }
+  Serial.println("initialization done.");
+  // open the file for reading:
+  myFile = SD.open("test.txt");
+  if (myFile) {
+    Serial.println("test.txt:");
+    // read from the file until there's nothing else in it:
+    while (myFile.available()) {
+      Serial.write(myFile.read());
+    }
+    // close the file:
+    myFile.close();
+  } else {
+  // if the file didn't open, print an error:
+    Serial.println("error opening test.txt");
+  }
 }
 void loop() {
-// nothing happens after setup
+  // nothing happens after setup
 }
+</code>
+==== READING LINE BY LINE ====
+<code cpp>
 </code>

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