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ATTiny85 maximum frequency without crystal at 3.3V setup help
Hello. I would like to know what registers I need to set up to which values and by which order in order to make my ATTiny85 run at maximum possible frequency under 3.3V without a...
Fri. Apr 28, 2017 - 10:37 PM
Emulating hex files containing ASF = Breach of ASF license?
The ASF license says that all redistributions/modifications may only be used in Atmel's processors. Does this mean that if I emulate on an Android device or on my PC a video game...
Wed. Apr 5, 2017 - 11:09 PM
Need to realize a concept of firmware & SD card content updating
I'm making an electronic rosary and I'm trying to see if Arduino Leonardo could help in an updating issue. I hope that talking about theological devices isn't against some rule on...
Sat. Jul 30, 2016 - 11:39 PM
Need help with this code (ST7735 driver port)
https://github.com/Zvoc47/Adafru...   I'm porting Adafruit's ST7735 driver to XMEGA. I've XMEGA-ified lots of code so it should be working, but I see no picture on the screen...
Sat. Jun 18, 2016 - 10:40 PM
SPI master bit turns off unexpectedly
I'm trying to establish an SPI communication with a display. Here's my code which enables it:     SPI->CTRL=SPI_MASTER_bm|SPI_MODE0_bm|SPI_PRESCALER_DIV4_gc;...
Sat. Jun 18, 2016 - 07:33 PM
Is it possible to lock yourself out of XMEGA by software?
I was thinking what would happen if a program for one MCU was programmed into another MCU via bootloader which doesn't check for device ID before bootloading. I was thinking that...
Wed. Jun 1, 2016 - 05:28 PM
If anyone wonders what I've done back in 2015
https://github.com/Zvoc47/monito... Here is the old final project that I've made in BASCOM-AVR that was invested in by a guy from a NES homebrew developer forum. The reason why I...
Wed. Apr 20, 2016 - 06:53 PM
Cheap FTDI video driver chip breakout board
I've heard that Gameduino (not Gamebuino) uses that chip in order to unload the AVR's CPU time from rendering the picture. I'm wondering if it's possible to get a development...
Tue. Mar 1, 2016 - 01:38 PM
Find port/pin address by I/O peripheral
I like it how Arduino knows which pins to enable for which SPI/USART/TWI/etc.. But I'm using Atmel Studio and I'm writing a program to make it flexible for the user to select...
Fri. Feb 12, 2016 - 02:27 PM
Having trouble learning about power control of ST7735
I've been translating Adafruit's driver for ST7735 and saw some commands regarding power control. Here's the command code: static const uint8_t PROGMEM Bcmd...
Fri. Feb 12, 2016 - 01:00 PM
Need info about latchless 8MB 4.5-port EBI
I've gone through a lot in life so I forgot about what I had been talking about on this forum. This topic has been talked about over and over, but I need answers fast.   I've...
Thu. Jan 28, 2016 - 08:57 PM
Did my crystal fail?
I wrote this code /* * DisplayTest.cpp * * Created: 21.1.2016. 21:17:01 * Author: Zvoc47 */ #include <avr/io.h> #define F_CPU 32768000 #include <util/delay.h...
Thu. Jan 21, 2016 - 08:33 PM

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