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  Topic: Forcing I2C to Hang
SteveW

Replies: 11
Views: 26689

PostForum: General CCS C Discussion   Posted: Fri Apr 20, 2018 10:26 am   Subject: Forcing I2C to Hang
Got it, thanks.
  Topic: Class-B Safety Software Library
SteveW

Replies: 0
Views: 6665

PostForum: General CCS C Discussion   Posted: Thu Apr 19, 2018 9:55 pm   Subject: Class-B Safety Software Library
Microchip has a library of CPU self-test functions that I would like to use. However, they are written for their compiler, and thus reference files (headers and perhaps others) apparently applicable ...
  Topic: Forcing I2C to Hang
SteveW

Replies: 11
Views: 26689

PostForum: General CCS C Discussion   Posted: Thu Apr 19, 2018 9:45 pm   Subject: Forcing I2C to Hang
Thank you both. I have only seen the data line getting stuck low. For now I will simply add a routine to look for the data line low and try clocking it to recover, and hope for the best.
  Topic: Forcing I2C to Hang
SteveW

Replies: 11
Views: 26689

PostForum: General CCS C Discussion   Posted: Fri Apr 13, 2018 6:52 pm   Subject: Forcing I2C to Hang
PCM Programmer - Thank you for the detailed response. I should have mentioned that I am using a hardware I2C interface. I will take a hard look at using your code in a function to solely create an err ...
  Topic: Forcing I2C to Hang
SteveW

Replies: 11
Views: 26689

PostForum: General CCS C Discussion   Posted: Fri Apr 13, 2018 12:01 pm   Subject: Forcing I2C to Hang
I have added a routine in the master to detect and recover from SDA getting stuck low due to a problem with a slave peripheral, as I have had this happen occasionally. How do I force the problem from ...
  Topic: 24FJ256GB406 USB Unplugged Detection
SteveW

Replies: 5
Views: 19129

PostForum: General CCS C Discussion   Posted: Wed Sep 28, 2016 4:08 pm   Subject: 24FJ256GB406 USB Unplugged Detection
Vusb is connected to Vdd, 3.0V, power on the board. This is exactly per figure 20-3, Self-Power Only, on the data sheet.
  Topic: 24FJ256GB406 USB Unplugged Detection
SteveW

Replies: 5
Views: 19129

PostForum: General CCS C Discussion   Posted: Tue Sep 27, 2016 5:59 pm   Subject: 24FJ256GB406 USB Unplugged Detection
Ttelmah: My first reaction was indeed to go back to the old compiler, but upon seeing the resulting error message I quickly remembered that the reason for my going to the new compiler was that the old ...
  Topic: 24FJ256GB406 USB Unplugged Detection
SteveW

Replies: 5
Views: 19129

PostForum: General CCS C Discussion   Posted: Mon Sep 26, 2016 11:03 pm   Subject: 24FJ256GB406 USB Unplugged Detection
I am using a 24FJ256GB406 with HID operation with CCS 5.62. The PC recognizes the device, and my circuit recognizes that connection and communications is fine. The problem is that when the connection ...
  Topic: Pointer Warning without Clear Reason
SteveW

Replies: 7
Views: 20998

PostForum: General CCS C Discussion   Posted: Tue May 17, 2016 3:44 pm   Subject: Pointer Warning without Clear Reason
Thanks to all for your help. I thought that passing an array really passed an array, so that the size information was conveyed. The other compilers that I use don't complain, and "passing" a ...
  Topic: Pointer Warning without Clear Reason
SteveW

Replies: 7
Views: 20998

PostForum: General CCS C Discussion   Posted: Thu May 12, 2016 3:39 pm   Subject: Pointer Warning without Clear Reason
I just started using 5.058 and am getting Warning#240 like others have mentioned. I have no problem with ignoring the warnings, or disabling them, but only after I fully understand the reason for such ...
  Topic: PCD manual error?
SteveW

Replies: 5
Views: 10054

PostForum: General CCS C Discussion   Posted: Fri Oct 04, 2013 11:33 am   Subject: PCD manual error?
I have gotten in trouble so many times with this issue with the CCS compilers that I now always clearly define all variables (i.e., "unsigned int16" or "signed int8", never simply ...
  Topic: Waking from sleep
SteveW

Replies: 5
Views: 8856

PostForum: General CCS C Discussion   Posted: Fri Oct 04, 2013 11:24 am   Subject: Waking from Sleep - Update
In my last post in this thread I stated something that turns out to be only partially true. Per the data sheet for PIC24FJ256GB110 series of parts:

9.2.1 SLEEP MODE
...On wake-up from Sleep, the p ...
  Topic: Waking from sleep
SteveW

Replies: 5
Views: 8856

PostForum: General CCS C Discussion   Posted: Sun Sep 22, 2013 12:55 pm   Subject: Waking from sleep
Yes, I had trouble with global and static variables losing their values, and this situation appeared to be inconsistent. I now re-initialize everything upon waking, and save/restore parameters to/from ...
  Topic: Waking from sleep
SteveW

Replies: 5
Views: 8856

PostForum: General CCS C Discussion   Posted: Wed Sep 18, 2013 5:43 pm   Subject: Waking from sleep
Yes, the PIC24FJ-series parts act a bit differently from the some other versions. It sounds like you are waking from "sleep full", which results in essentially a power-up boot. If you select ...
  Topic: PIC24 USB HID "Interrupts Disabled" Warnings
SteveW

Replies: 2
Views: 4727

PostForum: General CCS C Discussion   Posted: Thu Jun 13, 2013 9:13 pm   Subject: PIC24 USB HID "Interrupts Disabled" Warnings
PCM programmer: Thanks for the response. I was hoping that the answer was along the lines of what you pointed me to.
 
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