EEPROM.h for TG-LPC11U35-501 (C)Copyright 2014 All rights reserved by Y.Onodera http://einstlab.web.fc2.com
EEPROM.cpp
00001 //********************** 00002 // EEPROM.cpp for TG-LPC11U35-501 00003 // TG-LPC11U35-501 has 4K EEPROM. 00004 // 00005 // usage: 00006 // EEPROM eeprom; 00007 // char RAM[100] 00008 // eeprom.write(0, RAM, 100); 00009 // eeprom.read(0, RAM, 100); 00010 // eeprom.put(0, 0x00); 00011 // i=eeprom.get(0); 00012 // 00013 // note: 00014 // valid EEPROM address range is between 0 to 4031 00015 // top 64 bytes are reserved 00016 // 00017 // (C)Copyright 2014 All rights reserved by Y.Onodera 00018 // http://einstlab.web.fc2.com 00019 //********************** 00020 #include "EEPROM.h" 00021 00022 int EEPROM::write( unsigned int EEPROM_addr, char *RAM_addr, unsigned int n ) { 00023 command[0] = EEPROM_Write; 00024 command[1] = EEPROM_addr; 00025 command[2] = (unsigned int)RAM_addr; 00026 command[3] = n; 00027 command[4] = cclk_kHz; 00028 00029 iap_entry( command, status ); 00030 00031 return ( (int)status[0] ); 00032 } 00033 00034 00035 int EEPROM::read( unsigned int EEPROM_addr, char *RAM_addr, unsigned int n ) { 00036 command[0] = EEPROM_Read; 00037 command[1] = EEPROM_addr; 00038 command[2] = (unsigned int)RAM_addr; 00039 command[3] = n; 00040 command[4] = cclk_kHz; 00041 00042 iap_entry( command, status ); 00043 00044 return ( (int)status[0] ); 00045 } 00046 00047 00048 int EEPROM::put( unsigned int EEPROM_addr, char data ) { 00049 dat[0]=data; 00050 command[0] = EEPROM_Write; 00051 command[1] = EEPROM_addr; 00052 command[2] = (unsigned int)dat; 00053 command[3] = 1; 00054 command[4] = cclk_kHz; 00055 00056 iap_entry( command, status ); 00057 00058 return ( (int)status[0] ); 00059 } 00060 00061 00062 char EEPROM::get( unsigned int EEPROM_addr ) { 00063 command[0] = EEPROM_Read; 00064 command[1] = EEPROM_addr; 00065 command[2] = (unsigned int)dat; 00066 command[3] = 1; 00067 command[4] = cclk_kHz; 00068 00069 iap_entry( command, status ); 00070 00071 return ( dat[0] ); 00072 }
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