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array manipulation
I have two arrays. One is an incoming data stream stored as a single dimensional array. for (uint16_t i = 0; i...
Saturday, 19 April 2014 - 23:56
Tiny2313 Sleep mode
I am wanting to run a Tiny2313 from 4x NmHi batteries and am therefore using Sleep mode to conserve power. This is also the first time I have used Sleep. The hardware consists of...
Saturday, 15 September 2012 - 09:48
multiple DMX universe
I am playing with my first Xmega. I would like to TX multiple DMX universes and I am wondering if this can be done using multiple USARTs in DMAC mode? Any one tried this yet?
Wednesday, 20 July 2011 - 06:17
USB GPS ( demise of RS 232)
Our supplier of GPS receivers has effectively cut off the supply (by hiking up the price 2x) of the RS232 receivers. They are offering the "same" unit but as USB for 1/3 the cost...
Friday, 8 April 2011 - 01:17
using the USi to implment SPI
I needed to use a couple of HC595 on a Tiny2313 project. Multiple HC595s are cascaded together. I created the a simple function based on the asm in the data sheets and post it...
Thursday, 10 March 2011 - 22:15
ATTiny2313 dried up
I recently tried to order Qty 100 of the SOIC version of the ATtiny2313. My supplier told me they are hard to get. Mouser and Digikey are on back order. Man that is...
Tuesday, 31 August 2010 - 06:16
ADC strange output
I am using a Mega88 running on its internal 8M clock to measure 2 voltages, using 10bit resolution, and output them on a LCD. Sounds simple enough. ADC(1) and ADC(2) are used. I...
Monday, 17 May 2010 - 23:17
variable pulsing LED Status
I have a a series a flags in my code that signify either stages of Serial reception or errors. For Example: Rx_Data meaning the new Byte of data has been received CRC_Error...
Thursday, 11 February 2010 - 03:42
M88PA parallel Programming
the topic discussed on this thread deals wit ha specific problem of migration to the P version of Mega AVRs.https://www.avrfreaks.net/index.php?name=PNphpBB2&file=viewtopic...
Sunday, 15 November 2009 - 20:58
ISR timing
I am doing something I have never done before - working out how long an ISR will take to operate. The following code snippet works on my hardware, but I would like to optimise the...
Friday, 10 July 2009 - 01:38
M16 - PortC Non functional
I have the weirdest fault i have ever seen. I have a new PCB that has some BCD switches connected to PORTC. I have 8 LEDs on PORTA and I am writing some simple code to check the...
Friday, 3 October 2008 - 11:33
1Wire code
I have been trying to get the Dallas/maxim I wire code to work. This is what I am working with: #define OWirePort PORTA #define OWirePinNo 3 #define OWireDDR DDRA #define...
Tuesday, 9 September 2008 - 13:30