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[avr-gcc-list] talking to ds1307 with i2cMasterSendNI
From: |
Vinnie Moscaritolo |
Subject: |
[avr-gcc-list] talking to ds1307 with i2cMasterSendNI |
Date: |
Wed, 10 Dec 2003 23:12:04 -0800 |
I saw this mentioned on the list, but I wasn't sure of the outcome.
so here goes. I have a atMega8 using the built in oscillator. I am trying to
use the latest I2C Procyon AVRlib (9/15/03) to talk to the ds1307 RTC
Assuming a stock ds1307 I did the following simple example..
u08 data[8] = {0,0,0,0,0,0,0,0};
err = i2cMasterSendNI( 0xD0 , 8, data);
I always get a I2C_ERROR_NODEV back..
although I can talk to my other i2c devices just fine.. I am wondering if
the AVRlib can't do i2c with a built in osc?
any ideas, and if I have to set a fuse, can I do it with uisp?
thanks..
--
Vinnie Moscaritolo
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