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M328P GPIOx Register?
Greetings -   I would really like to use one of the M328's GPIOx registers. But, the compiler, or whatever, tells me that GPIO0 is undefined. What to do? The spec sheet...
Fri. Dec 14, 2018 - 06:50 PM
Crazy Optimization
This is absolutely killing my program!   Environment: M328P, AS7 with reasonably up-to-date avr-gcc (can't figure out where to find the installed version number) on Win10....
Wed. Dec 5, 2018 - 12:02 AM
CAN & microcontrollers
Greetings folks -   This is a sort of "off-the-wall" general information question not related to any project or project idea. Just curiosity.   For starters, I know...
Sat. Dec 1, 2018 - 01:32 AM
How to Test Very Infrequent Events?
Greetings -   Working on final wrap-up of my second generation acceleration data logger code. And I have a problem: I don't want to wait days for certain events to occur in...
Wed. Nov 21, 2018 - 04:40 PM
M328P and Sleep wake via Pin Change Int?
Greetings -   This is the N+1th question (where N is a largish number) involving the new version of my acceleration data logger.   Here is the way it normally...
Sat. Nov 10, 2018 - 04:51 AM
Serial Send Major Problem
System: Mega328P running at 8MHz. It has serial output via the hardware USART and a FT232R to a terminal running under Windows.   I have a function that outputs a list of...
Fri. Nov 2, 2018 - 06:41 AM
K&R vs avr-gcc?
Greetings Freaks -   Out of curiosity, I just looked up in K&R (2nd Edition) how they implement puts() - that is putstring().   The implementation that is shown...
Fri. Nov 2, 2018 - 04:09 AM
Lesson Learned - (N+1)th Time!
As some of you know, I manufacture acceleration loggers. The sensor is an ST LIS3-DSH.   In the past, I have generated samples at 100Hz and have read and processed each...
Wed. Oct 31, 2018 - 06:31 PM
AS7 Watch and local variable?
Greetings -   I am assuming that this is an AS7 "issue" but not sure....   I have a variable defined as local to a for loop thusly:   for(uint8_t samcnt = 0;...
Tue. Oct 30, 2018 - 06:31 PM
micro-SD memory block behavior?
Greets, folks    Hope someone around has delved into this.   Question: In a microSD card driven by FatFS, suppose that a partial block is  written, and...
Mon. Oct 22, 2018 - 02:15 PM
M328P Dedicated ADC inputs?
Greetings -   I have a battery powered product using M328P. Power consumption is a bit higher than I would like but I can live with that. It uses sleep and power management...
Wed. Oct 17, 2018 - 04:04 AM
New Tiny 3216/3217
From Microchip web site   The ATtiny3217 family of microcontrollers incorporates several innovative features including high-accuracy analog, the Peripheral Touch Controller (...
Thu. Oct 11, 2018 - 04:53 PM

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