From 9e48dfc4fd53a2bc53367568077fbea44f88eda2 Mon Sep 17 00:00:00 2001
From: "David A. Mellis" <d.mellis@arduino.cc>
Date: Sat, 6 Oct 2007 13:04:46 +0000
Subject: Moving libraries out from inside targets and creating bootloaders
directory.
---
.../EEPROM/examples/eeprom_clear/eeprom_clear.pde | 21 ++++++++++++
.../EEPROM/examples/eeprom_read/eeprom_read.pde | 38 ++++++++++++++++++++++
.../EEPROM/examples/eeprom_write/eeprom_write.pde | 38 ++++++++++++++++++++++
3 files changed, 97 insertions(+)
create mode 100644 libraries/EEPROM/examples/eeprom_clear/eeprom_clear.pde
create mode 100644 libraries/EEPROM/examples/eeprom_read/eeprom_read.pde
create mode 100644 libraries/EEPROM/examples/eeprom_write/eeprom_write.pde
(limited to 'libraries/EEPROM/examples')
diff --git a/libraries/EEPROM/examples/eeprom_clear/eeprom_clear.pde b/libraries/EEPROM/examples/eeprom_clear/eeprom_clear.pde
new file mode 100644
index 0000000..36af68e
--- /dev/null
+++ b/libraries/EEPROM/examples/eeprom_clear/eeprom_clear.pde
@@ -0,0 +1,21 @@
+/*
+ * EEPROM Clear
+ *
+ * Sets all of the bytes of the EEPROM to 0.
+ */
+
+#include <EEPROM.h>
+
+void setup()
+{
+ // write a 0 to all 512 bytes of the EEPROM
+ for (int i = 0; i < 512; i++)
+ EEPROM.write(i, 0);
+
+ // turn the LED on when we're done
+ digitalWrite(13, HIGH);
+}
+
+void loop()
+{
+}
diff --git a/libraries/EEPROM/examples/eeprom_read/eeprom_read.pde b/libraries/EEPROM/examples/eeprom_read/eeprom_read.pde
new file mode 100644
index 0000000..2e30708
--- /dev/null
+++ b/libraries/EEPROM/examples/eeprom_read/eeprom_read.pde
@@ -0,0 +1,38 @@
+/*
+ * EEPROM Read
+ *
+ * Reads the value of each byte of the EEPROM and prints it
+ * to the computer.
+ */
+
+#include <EEPROM.h>
+
+// start reading from the first byte (address 0) of the EEPROM
+int address = 0;
+byte value;
+
+void setup()
+{
+ Serial.begin(9600);
+}
+
+void loop()
+{
+ // read a byte from the current address of the EEPROM
+ value = EEPROM.read(address);
+
+ Serial.print(address);
+ Serial.print("\t");
+ Serial.print(value, DEC);
+ Serial.println();
+
+ // advance to the next address of the EEPROM
+ address = address + 1;
+
+ // there are only 512 bytes of EEPROM, from 0 to 511, so if we're
+ // on address 512, wrap around to address 0
+ if (address == 512)
+ address = 0;
+
+ delay(500);
+}
diff --git a/libraries/EEPROM/examples/eeprom_write/eeprom_write.pde b/libraries/EEPROM/examples/eeprom_write/eeprom_write.pde
new file mode 100644
index 0000000..ae7c57e
--- /dev/null
+++ b/libraries/EEPROM/examples/eeprom_write/eeprom_write.pde
@@ -0,0 +1,38 @@
+/*
+ * EEPROM Write
+ *
+ * Stores values read from analog input 0 into the EEPROM.
+ * These values will stay in the EEPROM when the board is
+ * turned off and may be retrieved later by another sketch.
+ */
+
+#include <EEPROM.h>
+
+// the current address in the EEPROM (i.e. which byte
+// we're going to write to next)
+int addr = 0;
+
+void setup()
+{
+}
+
+void loop()
+{
+ // need to divide by 4 because analog inputs range from
+ // 0 to 1023 and each byte of the EEPROM can only hold a
+ // value from 0 to 255.
+ int val = analogRead(0) / 4;
+
+ // write the value to the appropriate byte of the EEPROM.
+ // these values will remain there when the board is
+ // turned off.
+ EEPROM.write(addr, val);
+
+ // advance to the next address. there are 512 bytes in
+ // the EEPROM, so go back to 0 when we hit 512.
+ addr = addr + 1;
+ if (addr == 512)
+ addr = 0;
+
+ delay(100);
+}
--
cgit v1.2.3-18-g5258