Diff: EEPROM.cpp

Revision:

0:8dfee9f6df54

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/EEPROM.cpp	Sun Jun 22 09:57:23 2014 +0000
@@ -0,0 +1,72 @@
+//**********************
+// EEPROM.cpp for TG-LPC11U35-501
+// TG-LPC11U35-501 has 4K EEPROM.
+// 
+// usage:
+// EEPROM eeprom;
+// char RAM[100]
+// eeprom.write(0, RAM, 100);
+// eeprom.read(0, RAM, 100);
+// eeprom.put(0, 0x00);
+// i=eeprom.get(0);
+//
+// note:
+// valid EEPROM address range is between 0 to 4031
+// top 64 bytes are reserved
+//
+// (C)Copyright 2014 All rights reserved by Y.Onodera
+// http://einstlab.web.fc2.com
+//**********************
+#include "EEPROM.h"
+
+int EEPROM::write( unsigned int EEPROM_addr, char *RAM_addr, unsigned int n ) {
+    command[0] = EEPROM_Write;
+    command[1] = EEPROM_addr;
+    command[2] = (unsigned int)RAM_addr;
+    command[3] = n;
+    command[4] = cclk_kHz;
+ 
+    iap_entry( command, status );
+ 
+    return ( (int)status[0] );
+}
+
+
+int EEPROM::read( unsigned int EEPROM_addr, char *RAM_addr, unsigned int n ) {
+    command[0] = EEPROM_Read;    
+    command[1] = EEPROM_addr;
+    command[2] = (unsigned int)RAM_addr;
+    command[3] = n;
+    command[4] = cclk_kHz;
+ 
+    iap_entry( command, status );
+ 
+    return ( (int)status[0] );
+}
+
+
+int EEPROM::put( unsigned int EEPROM_addr, char data ) {
+    dat[0]=data;
+    command[0] = EEPROM_Write;
+    command[1] = EEPROM_addr;
+    command[2] = (unsigned int)dat;
+    command[3] = 1;
+    command[4] = cclk_kHz;
+ 
+    iap_entry( command, status );
+ 
+    return ( (int)status[0] );
+}
+
+
+char EEPROM::get( unsigned int EEPROM_addr ) {
+    command[0] = EEPROM_Read;    
+    command[1] = EEPROM_addr;
+    command[2] = (unsigned int)dat;
+    command[3] = 1;
+    command[4] = cclk_kHz;
+ 
+    iap_entry( command, status );
+ 
+    return ( dat[0] );
+}