Arduino Mega 2560 Rev3 Transmision ICR4 via USART to PC Welcome to AVR Freaks.
TheNew1 wrote:sometimes i lose byte and my program in Python read incorrect value
So the first question is whether the problem lies in your AVR, or in your...
Friday, 25 February 2022 - 17:51
how to get program counter via updi (serial) clawson wrote: by a complete fluke gchapman just posted this today
ha ha - my link in #2 is also to a gchapman "complete fluke" coincidence post!
Friday, 25 February 2022 - 16:11
JTAG question
gchapman wrote:Device packs' top level will have a list of tools for each device.
Also the Product Page (although seems only Microchip's own products are listed); eg,...
JTAG question Apart from Atmel-ICE, there's also the EDBG on Xplained & Curiosity boards; eg, https://www.avrfreaks.net/commen...
Out of interest, are there any...
Friday, 25 February 2022 - 14:50
JTAG question
OutThere wrote:can i use any JTAG device with these micros?
Which micros, exactly? Note that not all AVRs have JTAG:
https://onlinedocs.microchip.com...
(so it might be more...
Friday, 25 February 2022 - 14:30
Multiple devices on one UPDI wire flexbex1 wrote: without using jumpers.
maybe a multiplexer?
or just have a multi-way programming connection (it's only 1 contact per device) - and manage selecting a...
strategy for enumeration in random I2C Bus system Have you looked at what the I2C Specification says about this?
https://www.nxp.com/docs/en/user-guide/UM10204.pdf
Specifically, section 3.1.13 seems applicable....
Friday, 25 February 2022 - 11:09
working srf05 with 3.3V
clawson wrote:This says 3.3V or 5V: https://www.adafruit.com/product...
But that seems to be a slightly different module:
Which, of course, raises the...
Monday, 21 February 2022 - 09:53
working srf05 with 3.3V valusoft wrote:why aren't you asking your question over at their site?
Seems he now has: https://community.st.com/s/question/0D53W00001NWTmISAX/is-it-possible-to-...
Welcome to AVR Freaks. TheNew1 wrote:sometimes i lose byte and my program in Python read incorrect value So the first question is whether the problem lies in your AVR, or in your...
clawson wrote: by a complete fluke gchapman just posted this today ha ha - my link in #2 is also to a gchapman "complete fluke" coincidence post!
gchapman wrote:Device packs' top level will have a list of tools for each device. Also the Product Page (although seems only Microchip's own products are listed); eg,...
some useful links here: https://www.avrfreaks.net/commen... ?
Apart from Atmel-ICE, there's also the EDBG on Xplained & Curiosity boards; eg, https://www.avrfreaks.net/commen... Out of interest, are there any...
OutThere wrote:can i use any JTAG device with these micros? Which micros, exactly? Note that not all AVRs have JTAG: https://onlinedocs.microchip.com... (so it might be more...
flexbex1 wrote: without using jumpers. maybe a multiplexer? or just have a multi-way programming connection (it's only 1 contact per device) - and manage selecting a...
As Kabasan says, this will be due to compiler optimisation. See: https://www.avrfreaks.net/forum/tutcoptimization-and-importance-volatile-gcc Although that...
Have you looked at what the I2C Specification says about this? https://www.nxp.com/docs/en/user-guide/UM10204.pdf Specifically, section 3.1.13 seems applicable....
clawson wrote:This says 3.3V or 5V: https://www.adafruit.com/product... But that seems to be a slightly different module: Which, of course, raises the...
valusoft wrote:why aren't you asking your question over at their site? Seems he now has: https://community.st.com/s/question/0D53W00001NWTmISAX/is-it-possible-to-...
Rwilliams06 wrote:Please let me know if there's a better way to post my program other than copy-and-paste. Copy-Paste means we get to see the code in the post - which often helps...
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