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Choosing next microcontroller family
awneil wrote: david.prentice wrote:I remain sceptical about "fake MCUs". Not sure where fake MCUs came in?   The fakes I was talking about are fake J-Links   Whether...
Thursday, 23 September 2021 - 15:09
Choosing next microcontroller family
Go on.   Farnell seems to have stocks of most Nucleo and Discovery boards.    They arrive at my front door within about 15 hours.   Perhaps 20...
Thursday, 23 September 2021 - 11:47
XMEGAC XPLAINED BOARD - Flash corruption
You need to use FAR PROGMEM memory.   And I suspect that your ASF functions expect regular PROGMEM.   You can see that your images are 32665 total pixels i.e. 65330...
Wednesday, 22 September 2021 - 09:51
avrdude + Atmel ICE = Verification Error
I would expect -b4 to work fine. Something is wrong if you require -b10 100kHz is unnecessarily slow.  Mind you the -b# argument only advises the shortest period. ...
Tuesday, 21 September 2021 - 08:00
Adafruit_GFX Button initialization and why initbutton doesnt work outside setup?
I don't buy your explanation.   As far as I could see,  your object was optimised away because the object was never used before being destroyed at the end of loop(). I...
Monday, 20 September 2021 - 17:14
avrdude + Atmel ICE = Verification Error
There are lots of weird things about the Forum software.   I think that you just have to live with it !!   I still advise:   1.  copy-paste the actual...
Monday, 20 September 2021 - 15:26
avrdude + Atmel ICE = Verification Error
Go on.  You are using 8MHz RC with CLKDIV8 i.e. 1MHz And then you select -b3 i.e. 3us SCK period (333kHz)   Select -b5 i.e. 5us SCK period (200kHz)   In theory -b4...
Monday, 20 September 2021 - 13:42
atmega1284p. Talking to the bootloader, or getting target info.
An external programmer is fine IF you have the correct clock fuses. Yes,  Internal 8MHz RC should always work with an external programmer.   A Bootloader will expect a...
Sunday, 19 September 2021 - 16:11
Adafruit_GFX Button initialization and why initbutton doesnt work outside setup?
I ran this on a STM32 target.    Yes,  your code crashed the STM32.   Basically because the C1obj object was optimised away.   Hence b2...
Sunday, 19 September 2021 - 15:52
atmega1284p. Talking to the bootloader, or getting target info.
poobar wrote:AFAIK, the atmega1284p does come with a bootloader already installed. No,  there is no bootloader.   No,  atmega1284p is not an official Arduino....
Sunday, 19 September 2021 - 09:00
Adafruit_GFX Button initialization and why initbutton doesnt work outside setup?
Yes,  I would expect your convoluted class object to work.   What target are you using? I can inspect the hardware on an STM32 target but could also use an XMINI-m328P...
Friday, 17 September 2021 - 16:09
Adafruit_GFX Button initialization and why initbutton doesnt work outside setup?
Global objects are constructed before main() MCUFRIEND_kbv tft; Adafruit_GFX_Button b1;   Yes,      c1 C1obj(); will not be executed before main(). ...
Friday, 17 September 2021 - 10:51

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