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PC sampling in AS7?
I'm trying to enable PC sampling for a SAME54 as described here:      http://atmel-studio-doc.s3-websi...   I can bring up the Program Counter Trace window,...
Tuesday, 12 January 2021 - 18:54
Forcing an interrupt from arbitrary instructions
(I'm working on a SAME54, but this likely applies to most Cortex processors...)   I want to validate some code that's designed to be interrupt safe, so I'd like to be able to...
Sunday, 6 December 2020 - 20:57
Preserving a variable in RAM across HIBERNATE
I'm using a SAME54's HIBERNATE mode to preserve battery for extended periods of time.    Short form:   How do I preserve a variable located in RAM across calls to...
Friday, 27 November 2020 - 19:37
Configuring SAME54 DFLL for 120MHz
I've seen a bunch of threads in the forum about configuring the SAME54 DFLL for 120MHz, but I've not had any luck doing it myself.   The goal:   Use Atmel START to...
Thursday, 19 November 2020 - 02:13
Using separate GCLKs for CPU vs peripherals
I'm curious: is there an advantage to running GCLK0 and GCLK1 off the same oscillator, and using GCLK0 for the CPU and GCLK1 for peripherals?  Or is it better to run...
Tuesday, 17 November 2020 - 04:58
What environment do pre- and post-build commands run in?
In ASF7 (v.0.129) I'd like to try my hand at including some pre- and post-build commands but I'm a bit stuck.  Specifically, I want to run sed over some of the standard...
Monday, 2 November 2020 - 22:58
Clock runs 20% fast under debugger?
It appears that the clock in my ATSAME54 runs faster with the SWD debugger connected.  Has anyone seen this?   Details:   The ATSAME54 configured to run off...
Friday, 30 October 2020 - 23:00
Can you over-feed a dog?
I'm running an ATSAML11 (Cortex M0+) and FreeRTOS with WDT enabled.  I was getting sporadic WDT resets, which I traced to this code: static int initiate_tx(const uint8_t *...
Friday, 18 September 2020 - 18:36
Are PORT pullups available when the port is assigned to another function?
On our SAME54 project, I just instructed our HW engineer to remove the external pullups for the SD/MMC.  My reasoning is twofold, but possibly misguided:   I've read...
Thursday, 27 August 2020 - 19:00
START generating incorrect tc.c for PWM?
Goal:   I want to generate a single-slope PWM signal on PD0 of my ATxmega16D4.   Issue:   Atmel START appears to be generating incorrect code, in particular, not...
Sunday, 23 August 2020 - 00:27
printing peripheral registers using debughooks.py
I'm trying to dump the contents of peripheral registers in a SAML22.  With help from a few previous threads (mostly guided by meolsen's steady hand):     ...
Sunday, 16 August 2020 - 04:43
debughooks.py problems...
(UPDATE: this started as a question about dumping all the peripheral registers, but has morphed into a potentially more useful question about creating a simple debughooks.py...
Saturday, 15 August 2020 - 05:11

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