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Hint for using avr200.asm code in my C program for 8 by 8 bit unsingned/signed multiplication
frog_jr wrote: 2310 x 4610 = 105810 = 42216 or 0x0422   One (normally) thinks of the high and low bytes of the result as 0x04 and 0x22 (respectively). Whereas 10 and 58 are...
Monday, 15 January 2018 - 18:22
[TUT] [C] [GCC] How to define a pin as a variable
Turns out that one good search term is "gcc bitfield order" - not that wild a guess.. ;-)   Googling that leads to e.g. . Browse the...
Monday, 15 January 2018 - 17:44
Testing of Power supply
avrcandies wrote:or worse as in ... "life"?
Monday, 15 January 2018 - 10:18
Atmega328P datasheet error?
Go to . Locate the sentence If you find errors in documents that you want to report, please submit them to the technical document team. The link in that...
Monday, 15 January 2018 - 09:32
Shifting array three bytes yet keeping all elements
jgmdesign wrote:I have to admit that I do not understand this very well.. I saw the: int a[]in my searches, but I am not too sure what that means exactly...   In that...
Sunday, 14 January 2018 - 22:10
return 0, return 1 What they do?
yorem_kastor wrote:Does the main function stop or reset on fail? That is up to the writer of the main() function to decide. E.g. if i2c_start(..) returns 1 then that means (...
Sunday, 14 January 2018 - 13:30
ATSAMD21 SERCOM Interrupt using ASF
DoenerHawaii wrote:It is already defined by one of the libraries of ASF.  ASF\sam0\utils\source\gcc\Startup_samd21.c:86 ​ void SERCOM1_Handler(void)  __Attribute__ ((...
Sunday, 14 January 2018 - 12:08
Connecting SAME70 XPLAINED kit wtih JTAG
cj902 wrote:I just got the SAME70 board This: ?   If so, the on-board debugger is connected to the SAM E70. See e.g. ...
Sunday, 14 January 2018 - 11:22
problem with header file functions
Topping up on what the_real_seebs said: The explanation of why you register parameters must be pointers to registers is spelled out in tha avrlibc FAQ:
Sunday, 14 January 2018 - 09:44
Shifting array three bytes yet keeping all elements
Success! I doubt that, Jim. [EDIT: A build with warnings is not a clean build] With an "I DON'T GET IT".. [..] warning: iteration 4 invokes undefined behavior [-Waggressive-loop-...
Sunday, 14 January 2018 - 09:13
problem with header file functions
Can't spot it, Andy. Unless you're referring to opening brace for function is on it's own line while others are on the same line as the controlling statement. Which is consistent...
Saturday, 13 January 2018 - 22:25
Servo dancing
awneil wrote:Elliot Elliot, Elliot, who the heck is Elliot!? ;-)   I'm not living next door to him, but I guess he is the author of this:
Saturday, 13 January 2018 - 21:08