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How to read EEPROM Locations


 
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Top Forums Shell Programming and Scripting How to read EEPROM Locations
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Old 02-14-2008
How to read EEPROM Locations

Dear Sir,
I am Shidlingayya India, i am new to unix script..my problem is

present-> I have to read the eeprom locations from 0 to 255 locations in separate file..i wrote the code for this as follows

Code:
@eep_save_all	;<filename> store eeprom data to intel hex file
 kr 0,,02/n
 wf %1, 'tind[1],-1,$2,0,#16 /0ioc
 kr 28,,3B/n
 wf %1, 'tind[30],-1,$1C,0,#16/0ioc
 wd file written
 wd please add end of record to your file :00000001FF by hand
endmac

Required- Now i want to read only selected eeprom locations like
0x23, 0x29...so on..should get stored again in the form of Intel Hex file format

Can any body help me out to do this??i am thankful to you all..
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eeprog(8)						       System Administration							 eeprog(8)

NAME
eeprog - reads and writes 24Cxx EEPROMs connected to I2C serial bus. SYNOPSIS
eeprog [-fqxdh] [-16|-8] [-r addr[:count]|-w addr] <device> <i2c-addr> DESCRIPTION
eeprog uses the SMBus protocol used by most of the recent chipsets. NOTE
Don't forget to load your i2c chipset and the i2c-dev drivers. The following environment variables could be set instead of the command line arguments: EEPROG_DEV device EEPROG_I2C_ADDR i2c-addr PARAMETERS
Address modes -8 Use 8bit address mode for 24c0x...24C16 [default] -16 Use 16bit address mode for 24c32...24C256 Actions -r addr[:count] Read count (1 if omitted) bytes from addr and print them to the standard output -w addr Write input (stdin) at address addr of the EEPROM -h Print this help Options -x Set hex output mode -d Dummy mode, display what *would* have been done -f Disable warnings and don't ask confirmation -q Quiet mode Bus device Device file representing the I2C bus (eg. /dev/i2c-0) i2c-addr I2C bus address of the EEPROM (eg. 0x3A) EXAMPLES
Read 64 bytes from the EEPROM at address 0x54 on bus 0 starting at address 123 (decimal) eeprog /dev/i2c-0 0x54 -r 123:64 Print the hex codes of the first 32 bytes read from bus 1 at address 0x22 eeprog /dev/i2c-1 0x51 -x -r 0x22:0x20 Write the current timestamp at address 0x200 of the EEPROM on bus 0 at address 0x33 date | eeprog /dev/i2c-0 0x33 -w 0x200 SEE ALSO
eeprom(8) eepromer(8) AUTHOR
Stefano Barbato <stefano@codesink.org> i2c-tools Jul 2013 eeprog(8)

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