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Can't completely understand callbacks in ASF.
There are so many questions (and answers) about callbacks but I still can't get the hang of it. Maybe I can get some help to push me in the right direction?   The coding...
Sunday, 6 February 2022 - 19:43
How to read a bit of PORT IN in SAMD21
I can read a port reading the IN register but shouldn't it be possible to directly read just one pin? I can of course mask the port myself but in port.h IN is defined like this:...
Friday, 17 December 2021 - 09:33
I/O without ASF
Talking about I/O performance, compare ASF with any form of direct write. I think we are talking about 10-50 times slower if using ASF for a single pin change.   I am still...
Wednesday, 15 December 2021 - 20:38
M0+ or M4E best I/O performance?
I want to use controller that has the best I/O performance. I want to use a SAM device but differences between general ARM cores can be seen here: https://en.wikipedia.org/wiki/...
Friday, 10 December 2021 - 09:12
Bit fiddling with ARM/SAM
Are there really no standard include file that that gives you all those simple macros like BIT nn, set a bit, clear a bit and so on? Years ago I had my own file with many things...
Monday, 22 February 2021 - 14:53
Can't see register IN1 in Studio I/O view (SAMD21)
I can't get any values of the IN1 (IN register of PORT group 1). IN0 works fine but whatever I do IN1 has all zeros. I use an Arduino MKR Zero board as hardware but there are...
Wednesday, 17 February 2021 - 12:20
Problem with CRC in SAMD21G18
First I want to admit that I have problems reading the high level code that is used in ASF so it might be just a coding misunderstanding. But here is my problem.   I use...
Friday, 18 December 2020 - 09:57
Split from: Microchip Studio 7.0.2542
I've got a conflict with ASF versions with a colleague and had to upgrade Studio to latest. The installation failed. It couldn't install XC8! Had to download the full off line...
Thursday, 17 December 2020 - 04:33
Finding my way to adc_config struct
Writing my first SAM project. For some time I have been trying to find the way to setup the ADC. But I had a hard time to find the right way to do it. Googling results in many...
Thursday, 29 March 2018 - 04:02
Becoming an ARM user (from AVR)
Hi! I am coming back from some (years) time not doing much programming. I am an experienced AVR programmer and some people her might possible remember me. What happens now is that...
Friday, 16 September 2016 - 09:17
Debugger with trace capability
I am confused. I have been using JTAGICE mkII, the Dragon, JTAGICE3, ATMEL-ICE and last week I unpacked a for me new AVR ONE! although it is one ot the older tools. So I should...
Monday, 12 October 2015 - 18:33
Interrupt problem (again)
Now it is my turn to have interrupt problems with Studio 6. I haven't tried with Studio 4 so to be honest I can not say that it is a Studio 6 problem yet but I suspect that....
Friday, 16 November 2012 - 07:31

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