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  Topic: SPI problems - Serial data input
mcman

Replies: 3
Views: 6084

PostForum: General CCS C Discussion   Posted: Thu Apr 26, 2007 1:40 pm   Subject: SPI problems - Serial data input
Update:

My bad. Flash takes data on rising edge of clock, not falling edge. I needed to add the SPI_XMIT_L_TO_H flag to the SETUP_SPI config options. Note that this flag isn't mentioned in the ...
  Topic: SPI problems - Serial data input
mcman

Replies: 3
Views: 6084

PostForum: General CCS C Discussion   Posted: Wed Apr 25, 2007 2:53 pm   Subject: SPI problems - Serial data input
Here is some stripped down code that I've compiled and run.




#include <18F87J10.h>


#FUSES HS, DEBUG, NOXINST, NOSTVREN, NOWDT, NOPROTECT, WDT32, NOFCMEN, NOIESO, PRIMARY, ...
  Topic: SPI problems - Serial data input
mcman

Replies: 3
Views: 6084

PostForum: General CCS C Discussion   Posted: Tue Apr 24, 2007 6:21 pm   Subject: SPI problems - Serial data input
PIC: 18F87J10
Compiler: CCS 4.032

I'm communicating via a PIC SPI channel to serial flash devices from ST Microelectronics (M25P16 series).

On my prototyping system, I have an 18F8722 that wo ...
  Topic: ICD-U40 does not work. ICD-2 does
mcman

Replies: 7
Views: 7367

PostForum: General CCS C Discussion   Posted: Wed Apr 18, 2007 9:48 am   Subject: ICD-U40 does not work. ICD-2 does
I have an ICD-U40 that I, too, could not get to work. If I remember correctly, the problem had to do with USB connectivity. The ICD-U40 has an FTDI USB device. My development system also included a ...
  Topic: 18F87J10 write_program_memory AND read_program_memory
mcman

Replies: 2
Views: 4154

PostForum: General CCS C Discussion   Posted: Tue Apr 17, 2007 3:39 pm   Subject: 18F87J10 write_program_memory AND read_program_memory
Compiler: PCH 3.245

Developed my code on an 18F8722 development system. Everything worked great. No problems writing to or reading from program memory. Now, when I run my code on an 18F87J10, n ...
  Topic: RAM Allocation problem?
mcman

Replies: 3
Views: 5351

PostForum: General CCS C Discussion   Posted: Fri Feb 02, 2007 11:09 am   Subject: RAM Allocation problem?
Thank you for your reply! Per your guidelines, I need to reassign several arrays.

Just to be clear, the array assignment that seems to be causing me grief is one that is located entirely within Ba ...
  Topic: RAM Allocation problem?
mcman

Replies: 3
Views: 5351

PostForum: General CCS C Discussion   Posted: Thu Feb 01, 2007 5:44 pm   Subject: RAM Allocation problem?
PIC: 18F8722
Compiler: CCS PCH version 3.245

Problem:
I have an application that was working just fine. I added an array to the application and noticed some abnormal behavior with the applicat ...
  Topic: strtoul issue in stdlib.h
mcman

Replies: 0
Views: 3736

PostForum: General CCS C Discussion   Posted: Tue Jan 23, 2007 1:48 pm   Subject: strtoul issue in stdlib.h
I have a project that utilizes an 18F8722. I'm using the strtoul function to parse through a space delimited series of parameters. In using this function, I believe I've discovered an issue.

My c ...
 
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