Différences

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

--- documentation:microcontroleurs:arduino:modules:sdcard:index [2021/06/24 16:03] – [CODE] 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 =====
+==== WRITING ====
-===== CODE =====
+<code cpp>
-<code c++>
 #include <SPI.h>
 #include <SD.h>
@@ Ligne 60: / Ligne 66: @@
  // nothing happens after setup
 }
+</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
+}
+</code>
+==== READING LINE BY LINE ====
+<code cpp>
 </code>

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