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How can I put an array of functions in PROGMEM
I know I can use __flash, but everything else int his code uses PROGMEM so I'm trying to do be consistent:   declared: void (*configurefunctions[9])() = { init, version,...
Sunday, 27 September 2020 - 16:08
Debounce improvements / balance
I'm working on a project where I need to debounce 6 input buttons independently of each other.  I need to keep a debounced volatile inputstate and also feed a ringbuffer of...
Saturday, 26 September 2020 - 13:12
BODS on tiny84a
The datasheet says:   If BOD is disabled by software, the BOD function is turned off immediately after entering the sleep mode. Upon wake-up from sleep, BOD is automatically...
Wednesday, 23 September 2020 - 21:57
Recommend an AVR for this...
I'm not so familiar with all the latest ones, but I've got a very small project I'm thinking about.   Probably going to run it off of a CR2032. Timing/clock accuracy not...
Monday, 21 September 2020 - 22:50
Less intensive checksum..
Using an atmega1284p @ 18.432 Mhz to be a go between a PC parallel port and a microSD card.  My goal is to be able to read/write files to the microsd via PC parallel port....
Friday, 11 September 2020 - 02:26
Has anyone ever damaged a reset pin by omitting the diode?
I put one in everything I design, but I wonder, is it really necessary.  When is the last time one without this died?  And if it does fail from not having a diode, what...
Wednesday, 2 September 2020 - 16:58
WTG: One Autoprogrammer ISP/PDI
It has been awhile since I've done a giveaway, so up for giveaway is a single Autoprogrammer 256K!   Simply post an "I'm in" in this thread (double quotes not required!) and...
Tuesday, 18 August 2020 - 15:07
Why does it include debug info for one C file but not another?
I'm using release, but under AVR/GNU C Compiler/Debugging I have Active (Release) set to Default (-g2).   What is interesting is that in one C file it shows the C lines: int...
Saturday, 30 May 2020 - 16:53
Best way to round up a value to a block/page size...
I've been writing a small FAT-8 type filesystem for something and one of the things I need to do is round a size up to a cluster size for example.  Say a cluster size of 512...
Friday, 29 May 2020 - 04:18
Do you see any areas of improvement here?
I finally got some code written for this last night.  I'm messing around with the idea of making a processor trainer emulator like they had in the 1970's like the SDK-85....
Thursday, 21 May 2020 - 12:55
New SAM user questions...
I've worked with AVR's, but I've got a SAMD20J18A on a dev board that I'm just beginning to mess with.  I reinstalled my Atmel Studio 7 to include the platform.  ...
Thursday, 7 May 2020 - 21:15
static inline does not inline, but just inline does in AS7
I've been writing my first emulator code which has been a learning adventure.  I have an execute function that uses a switch for each opcode.  Then each opcode calls an...
Thursday, 7 May 2020 - 17:00

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