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SSD1306 rotation by 90*
Hello,   I am working with SSD1306 (xmega 32E5, I2C, 64x48 OLED) and I need to rotate that display by 90 degrees (permanently, not run time). Unfortunately, I can set up the...
Tuesday, 30 January 2018 - 14:40
Generating 2 PWM signals with 1 timer of XMEGA A1U
Hello,   Is there a way to generate 2 separate PWM signals using compare channels of timer 0/1 of XMEGA A1U, considering that start and stop timings are different. (XMEGA A1U...
Thursday, 30 November 2017 - 17:18
XMEGA A1U Input capture of 4 signals
Hello guys,   I am trying to run a simple system, capturing 4 events (on inputs), but for some reason, my code doesn't work. Here is what I am trying to do:   PORTC_OUT...
Thursday, 19 October 2017 - 09:43
EDMA on Xmega E5
Hello,   I'm stumbling upon running the EDMA on XMEGA E5. Here is what I need to generate without using interrupts (it would be too slow and the signals will not switch at...
Monday, 8 May 2017 - 10:12
MCU passes through infinite loop
Hi,   I found a very odd behaviour of my code and I decided to share it, it'd be interesting if someone can figure out the mystery. I am having a code, which is executed when...
Thursday, 23 June 2016 - 11:34
Unexpected signal level on a pin
Hello,   I know this sounds a bit odd, but here it goes:  - On PB6, which is an ADC input as well (and that is how I intend to use it) I get around 0,893 Volts in all...
Thursday, 2 June 2016 - 14:07
Lock R/W from ISP programmer, but not from bootloader code
Hello,   I wonder if there is possibility to lock the application flash for R/W from an ISP interface, but still read eep/flash sections by a custom (or not) bootloader (and...
Thursday, 21 April 2016 - 13:00
Skip "X" MCU cycles
Hello,   I want to make a function, that, depending on a variable "X" skips from 1 to 22 MCU cycles, thus precisely controlling a toggling of an output;   I suppose it...
Thursday, 18 February 2016 - 16:47
Image with optical mouse sensor ADNS 2080
Hello,   In the device I am developing I need to measure movement x/y distance in a similar way a mouse does, though my focusing distance is about 1,2 m. To get the things...
Friday, 5 February 2016 - 12:02
LCD ILI 9341 graphical memory reading
Hello guys,   I am using ILI9341, which has well developped libraries, I've combined functions from several of them and added some additional, which are specific for my...
Monday, 1 February 2016 - 14:17
XMEGA USB communication with Imagecraft - tips, libraries or sample code
Hi guys,   I am using Imagecraft (Jumpstarter 8) wtih XMEGA 256 A3U and I need to get some USB communication working - all I need is simple byte transfer (from to any...
Tuesday, 24 November 2015 - 10:26
Vertical scrolling with ILI driver
Hi guys,   I am using ILI 9341 driver with XMEGA mcu and I am trying to scroll vertically everyhing from line 40 to 279, including, scrolling down, e.g. 5 pixel per second....
Tuesday, 3 November 2015 - 15:03

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