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authorCristian Maglie <c.maglie@bug.st>2013-11-21 11:19:08 +0100
committerCristian Maglie <c.maglie@bug.st>2013-11-21 11:22:44 +0100
commit0dcd4b220904574d674421af6f443adc9b99946a (patch)
tree61156480d2e2b8d8d266db24e6130e3a2b9be7d5 /libraries/EEPROM/examples
parenta5d1990afdd4d783b4623e4ced8833d3e1a764ae (diff)
Revert "EEPROM library to the new format"
This reverts commits: 3223d4fdca32ec03de4a3a2a0c22f2d40de5f374 77f8dd63ab102ab5d2929ac4edd5c00ae9d70493
Diffstat (limited to 'libraries/EEPROM/examples')
-rw-r--r--libraries/EEPROM/examples/eeprom_clear/eeprom_clear.ino23
-rw-r--r--libraries/EEPROM/examples/eeprom_read/eeprom_read.ino43
-rw-r--r--libraries/EEPROM/examples/eeprom_write/eeprom_write.ino38
3 files changed, 104 insertions, 0 deletions
diff --git a/libraries/EEPROM/examples/eeprom_clear/eeprom_clear.ino b/libraries/EEPROM/examples/eeprom_clear/eeprom_clear.ino
new file mode 100644
index 0000000..b18ff2c
--- /dev/null
+++ b/libraries/EEPROM/examples/eeprom_clear/eeprom_clear.ino
@@ -0,0 +1,23 @@
+/*
+ * EEPROM Clear
+ *
+ * Sets all of the bytes of the EEPROM to 0.
+ * This example code is in the public domain.
+
+ */
+
+#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.ino b/libraries/EEPROM/examples/eeprom_read/eeprom_read.ino
new file mode 100644
index 0000000..ebf79d6
--- /dev/null
+++ b/libraries/EEPROM/examples/eeprom_read/eeprom_read.ino
@@ -0,0 +1,43 @@
+/*
+ * EEPROM Read
+ *
+ * Reads the value of each byte of the EEPROM and prints it
+ * to the computer.
+ * This example code is in the public domain.
+ */
+
+#include <EEPROM.h>
+
+// start reading from the first byte (address 0) of the EEPROM
+int address = 0;
+byte value;
+
+void setup()
+{
+ // initialize serial and wait for port to open:
+ Serial.begin(9600);
+ while (!Serial) {
+ ; // wait for serial port to connect. Needed for Leonardo only
+ }
+}
+
+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.ino b/libraries/EEPROM/examples/eeprom_write/eeprom_write.ino
new file mode 100644
index 0000000..c047887
--- /dev/null
+++ b/libraries/EEPROM/examples/eeprom_write/eeprom_write.ino
@@ -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);
+}