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Makefile question...
So, when I took over the Optiboot project, I inherited a makefile structure that includes rules like: atmega168: TARGET = atmega168 atmega168: MCU_TARGET = atmega168 atmega168:...
Wednesday, 11 September 2019 - 22:42
Manually inserted breakpoints in AS7?
I abandoned MPLABX because of the issues I was having, and reverted to running AS7 in a windows VM.   Does AS7 really NOT handle manually inserted breakpoints (__asm__...
Friday, 6 September 2019 - 05:56
MPLAB and PICKit4/SNAP/ipecmd fails to handle non-continuous code?
(MPLAB question in this section, now?) Can someone check my sanity? I'm working on a bootloader for Xtiny and Mega0, and I wanted to have a "default" application included, that...
Thursday, 5 September 2019 - 06:57
XMega/Mega0/Tiny0/Tiny1 avr-libc boot.h (spm wrappers) support
Just checking:   there's still no avr-libc support equivalent to boot.h for the xmega chips, right? And the new "xtiny" and "mega 0" chips have similar boot/spm usage?...
Sunday, 1 September 2019 - 00:12
Pin toggling via writing PINx - can I tell which chips have it?
Is there anything defined by the machine description or ioXXXX.h that tells me whether the chip I am compiling for has the ability to toggle output pins by writing to the PINx...
Friday, 16 August 2019 - 09:41
Pullups on UPDI, RST...
Change my mind:   For the modern (Mega-0, Tiny-0, Tiny-1) pullups are unnecessary on the UPDI or RST pins... At worst, they interfere with other desirable functions (HV UPDI...
Wednesday, 7 August 2019 - 01:15
Gratuitous changes to CMSIS types and defines in MPLABX ??!!
So I downloaded the latest MPLABX, which apparently comes with "packs" from https://packs.download.microchip.com/ , which are a couple of versions past the "Atmel Packs" at http...
Monday, 5 August 2019 - 07:57
Using AS7/ARM with PickKit4 on SAMC21
Is ARM (SWD) debugging for SAMC currently working in AS7, using a PICKit4 debugger? Currently, it's recognizing that the PICKit is connected, but is timing out trying to do...
Monday, 5 August 2019 - 00:53
School vs Work, or something...
I former co-worker of mine did a good job putting his finger on something that I've felt for a long time:   I’m watching my way through [an online iOS programming class.]...
Sunday, 7 July 2019 - 03:10
Achieving 1MS/s on SAMD51 DAC?
The SAMD51 DAC is supposed to do 1M conversions/second.  What exactly do you need to do to actually achieve that, or anything close to that?   the Clock should be set to...
Friday, 15 March 2019 - 00:25
Antique CPUs for sale!
(no, not from me.) http://www.bgmicro.com/ICSAT90S4...
Thursday, 14 March 2019 - 07:58
Oscillator calibration. Or decallibration
So if we’re using the internal oscillator, there is usually an associated calibration register. If there is a reason for runnng “as fast as possible”, I might just pick the top...
Wednesday, 13 February 2019 - 10:18

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