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  Topic: 18F4620 & 24AA512 Serial EEPROM
littlet05

Replies: 1
Views: 3388

PostForum: General CCS C Discussion   Posted: Fri Nov 13, 2009 10:12 am   Subject: 18F4620 & 24AA512 Serial EEPROM
I'm attempting to write data to the Microchip 24AA512 Serial EEPROM fairly quickly for a data logging application. I have problems with data not being read and/or written properly at high speeds in a ...
  Topic: ELM to PIC communication VIA RS232
littlet05

Replies: 3
Views: 5039

PostForum: General CCS C Discussion   Posted: Sun Jun 28, 2009 2:39 pm   Subject: ELM to PIC communication VIA RS232
My mistake, I forgot to comment the #use fast_io(d) upon commenting the tris statements... it seems to spit back some data over rs232.


THANK YOU!

JT
  Topic: ELM to PIC communication VIA RS232
littlet05

Replies: 3
Views: 5039

PostForum: General CCS C Discussion   Posted: Sun Jun 28, 2009 2:36 pm   Subject: ELM to PIC communication VIA RS232
I made those two corrections and when I compile I get the warning:

>>> Warning 202 "V2_ELM_SERIAL.c" Line 11(5,8): Variable never used: rs232_errors

I guess I have to catch ...
  Topic: ELM to PIC communication VIA RS232
littlet05

Replies: 3
Views: 5039

PostForum: General CCS C Discussion   Posted: Sun Jun 28, 2009 1:38 pm   Subject: ELM to PIC communication VIA RS232
I have been unsuccessful at receiving data from the ELM 327 OBDII chip via RS232. I know the hardware is ok because I have a PIC Basic Pro program written that works ok...

The code that would res ...
 
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