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Two quickies re Mega32
1. The Atmel data sheet for the mega32 says that UCSRC in the USART defines an 8 bit character in asynch mode as 11 in bits 2 and 1. However, I seem to need 0 in that whole...
Monday, 10 November 2003 - 08:37
WIN-AVR, libc doc, index
I'm revisiting GCC/AVR - too crude a year ago when I tried it. Much better now. the docs for libc for AVR - is there a version with an index, or at least a PDF or some such where...
Sunday, 26 October 2003 - 00:35
AtmanAVR is what?
AtManAVR - an IDE for GCC forf for the AVRs. I cannot find on their web site information on if this is shareware or a for sale product, and if so, what's the cost. Anyone know?
Friday, 3 October 2003 - 07:56
IR transmitter/receiver
I'm well along on an infrared transmitter and receiver, using an AVR '2313 chip. I wonder if there is much interest in this here - perhaps more in the home automation boards. Here...
Friday, 27 December 2002 - 04:18
USB to 802.11b client radio
With USB based 802.11b transceivers (radios) so cheap now, it would be great if a small micro could use USB and some not too complex code to send/receive messages on 802.11. This...
Wednesday, 13 November 2002 - 05:24
PCB123.COM - Anyone tried it?
WWW.PCB123.COM I just noticed this. Rapid prototype PC Board maker. Free software for schematic capture, parts libraries, PCB Routing, etc. 7MB download. Their business plan...
Wednesday, 4 September 2002 - 07:23
Tiny memory model supported by GCC?
Can the compiler operate in the so-called "Tiny" memory model mode for small chips like the 2313? So that pointers are one byte in size? Reduces code size a lot.
Wednesday, 13 March 2002 - 17:37
Wasted flash space to load high byte of memory addresses
anyone know if GCC has a flag to cause the compiler to avoid lots of load 0 into address high bytes on the small memory AVRs? Lots of flash memory words are wasted on loading high...
Saturday, 9 March 2002 - 00:57
Error in "bit_is_set" "bit_is_clear" mac
In debugging, I found that the "bit_is_set" "bit_is_clear macros do an "andi" instruction and return the result. This yields a 0 or a non-zero. But the documentaiton says the...
Tuesday, 19 February 2002 - 04:44
atmoic read/write, RAM variables
I believe that the AVR has no 16 bit read or write instruction. If so, then to read or write a RAM variable larager than a byte which can be altered by an interrupt routine, one...
Saturday, 16 February 2002 - 05:19
Newbie: Quick compile & debug
Using the AVR Freaks installation on XP, is there a quicker and easier way to edit/compile/debug in AVR studio than this process which I'm now using: Change C program source. Save...
Sunday, 10 February 2002 - 08:26