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Bootloader for ATmega4809
El Tangas wrote: You can't see the fuses with that command. Use this:   avrdude.exe -c jtag2updi -P com5 -p m4809 -tyou will enter avrdude terminal mode, then type this...
Sunday, 9 June 2019 - 09:01
Bootloader for ATmega4809
westfw wrote: Optiboot (https://github.com/Optiboot/optiboot) uses "-Wl,--section-start=.text=0x7e00" to specify the start address.  I'm not sure -T is sufficient (but I don'...
Sunday, 9 June 2019 - 09:00
Bootloader for ATmega4809
clawson wrote:UART gibberish usually means a clock not running at the speed you thought it was. Yes, usually means that, but the only thing I'm changing is the debug line, just to...
Saturday, 8 June 2019 - 20:38
UPDI programmer software for Arduino - compatible with avrdude
Hello. I'm trying to setup fuses to an mega4809. I want to setup BOOTEND and APPEND. According to a previous post I placed a macro in my main.c file   FUSES = {  ...
Saturday, 8 June 2019 - 13:25
ATmega328P Timer0 and UART confliction
theusch wrote: giorgos3924 wrote:I have separate folder for my timer that includes two files, timer.c and timer.h I just added one line and it works perfectly now. giorgos3924...
Friday, 28 September 2018 - 17:59
ATmega328P Timer0 and UART confliction
ki0bk wrote: You can still use the 16MHz external resonator, just set the cpu clock divider to /2 to run at 8MHz early in your init.   Jim   Can I? Sorry, I wasn't...
Friday, 28 September 2018 - 17:52
ATmega328P Timer0 and UART confliction
avr-mike wrote: A comment unrelated to your original question... if a function does not return a meaningful value, it should not return anything at all.   UartSendByte should...
Friday, 28 September 2018 - 17:47
ATmega328P Timer0 and UART confliction
ki0bk wrote: giorgos3924 wrote:I bought two arduino pro mini boards based on ATmega328P. giorgos3924 wrote:Fuses are: (E:FD, H:D9, L:E2) Chip runs at 8MHz with internal RC....
Friday, 28 September 2018 - 17:24
ATmega328P Timer0 and UART confliction
Thank you, this was my mistake while I did tests.   This above is my complete program. Sorry if I forget anything.   Still nothing though.   I'm expecting to see "...
Friday, 28 September 2018 - 16:40
use rfid mifare rc522 with spi
mickeu wrote: I found this, alread installed and works. Type of RF522 is recognized Cart ID is recognized.   Can you guys explain me how to write data to certain addresses?...
Saturday, 28 March 2015 - 11:11
ADC interrupt
i found something strange. im trying to set each conversion after a conversion completes and corresponding interrupt takes effect. but...   ADCSRA |= (1 << ADSC);...
Saturday, 20 December 2014 - 09:53
ADC interrupt
without interrupt works perfectly. i want to do this (pseudo code) start adc from ch0 convert ch0 set admux to ch1 convert ch1 set admux to ch2 convert ch2 .... .... .... set...
Saturday, 20 December 2014 - 09:48

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