Tech Support > Computer Hardware > Microprocessors > MPC8260 - I2C - single channel 1-wire master (DS2482) - 1 wire EEPROM (DS2433)
MPC8260 - I2C - single channel 1-wire master (DS2482) - 1 wire EEPROM (DS2433)
Posted by deadfish007@yahoo.com on December 31st, 2004


Hi,

I'm writing an I2C driver for the MPC8260 that needs to read/write to a
1-wire EEPROM via a single channel 1-wire master. Since I'm new to the
embedded world, I was wondering, if I want to send a READ ROM command
to the 1 wire EEPROM, how must I go about doing that via software? How
must I format the Tx buffer of the I2C to send that out to the 1-wire
EEPROM via the single-channel 1-wire master?
Thanks for your help in advance.

Dead Fish

Posted by Gary Kato on December 31st, 2004


Have you read the DS2482 datasheet?


Posted by deadfish007@yahoo.com on December 31st, 2004


Yes, I have. I've looked at the I2C Communication Examples many, many
times. Do I format the TX buffer for each byte of data or can I format
it to take several bytes of data?

Posted by Rene on December 31st, 2004


<deadfish007@yahoo.com> schrieb im Newsbeitrag
news:1104507377.039287.271450@c13g2000cwb.googlegr oups.com...
Do yourself a favour and write a bit banging driver. It is much easier than
using the I2C unit. Unless you have fully understood the programming model
of the CPM, your driver will be up much faster.

- Rene



Posted by deadfish007@yahoo.com on December 31st, 2004


Thanks to everyone that have responded. I've figured it out.


Similar Posts