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  Topic: hardware SPI read pin stuck
SparkyEE

Replies: 5
Views: 8220

PostForum: General CCS C Discussion   Posted: Wed Jul 18, 2007 3:50 pm   Subject: hardware SPI read pin stuck
I don't believe setup_spi() is needed since I have a static configuration that does not need to be setup at runtime... although, I will try it.. It can't hurt.

I downloaded the latest CCS demo 4.04 ...
  Topic: hardware SPI read pin stuck
SparkyEE

Replies: 5
Views: 8220

PostForum: General CCS C Discussion   Posted: Tue Jul 17, 2007 7:06 am   Subject: hardware SPI read pin stuck
1. Are there two PIC boards, with one configured as an SPI slave and
the other as an SPI master ?

2. Post the list of connections between pins on the Master and on the Slave.

3. What's your co ...
  Topic: hardware SPI read pin stuck
SparkyEE

Replies: 5
Views: 8220

PostForum: General CCS C Discussion   Posted: Mon Jul 16, 2007 4:15 pm   Subject: hardware SPI read pin stuck
I have some code that executes SPI commands based upon user input from the UART (so I can peek and poke at a SPI device from Windows Hyperterm). The problem is that reads always read "FF". ...
  Topic: example program EX_SQW works with one pin, but not another
SparkyEE

Replies: 3
Views: 5297

PostForum: General CCS C Discussion   Posted: Thu Jun 21, 2007 8:50 am   Subject: example program EX_SQW works with one pin, but not another
The EX_SQW.c example code included with the CCS compiler works just fine on my PICkit2 debug express demo board (16F887), if I leave the pin at PIN_B0, It does NOT work when simply changing the outp ...
  Topic: 2nd consecutive SPI write hangs everytime...
SparkyEE

Replies: 3
Views: 5519

PostForum: General CCS C Discussion   Posted: Thu Jun 21, 2007 8:42 am   Subject: 2nd consecutive SPI write hangs everytime...
setup_spi() was not used but rather..

#use spi(MASTER, MODE=1, FORCE_HW, BAUD=1000000, BITS=8, stream=SPI_STREAM)

FYI, I found the problem, I need to "read" the spi port in-between wr ...
  Topic: clear screen function
SparkyEE

Replies: 5
Views: 8531

PostForum: General CCS C Discussion   Posted: Thu Jun 21, 2007 8:38 am   Subject: Re: clear screen function
Is there a clear screen funtion(clrscr) for the CCS compiler?

If you want to "clear screen" when on a RS-232 UART port. Just print a "form feed"

printf("\f");
  Topic: 2nd consecutive SPI write hangs everytime...
SparkyEE

Replies: 3
Views: 5519

PostForum: General CCS C Discussion   Posted: Mon Jun 18, 2007 1:25 pm   Subject: 2nd consecutive SPI write hangs everytime...
In the following code snipet, the 2nd SPI write hangs everytime. What in the spi_write routine might cause this? Something I'm doing?
Thx.

void write() {
BYTE address;
BYTE value;
BYTE dis ...
 
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