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Attiny84 and a disappearing global IE
Lee, It ain't pretty but here goes. // // File: DMMCU1.c // Purpose: Main for dot marker program // Date: February 25th, 2014 // Purpose: Dot marker controller code with ADC...
Monday, 3 March 2014 - 18:52
Attiny84 and a disappearing global IE
Steve, I looking to have the global flag set after exiting the interrupt. Is issue specific to the ATtiny parts? I have put together a few Atmel based microcontoller projects and...
Monday, 3 March 2014 - 18:24
Attiny84 and a disappearing global IE
Cliff, Tracked down one of your previous posts re: ISR_NOBLOCK; ISR( INT0_vect, ISR_NOBLOCK ) { TIMSK1 |= (1<<TOIE1) sei(); return; } This continues to reset IE...
Monday, 3 March 2014 - 17:53
Attiny84 and a disappearing global IE
Cliff, reti() worked for one iteration and then crashed. Clearly it was eating the stack. I should have paid closer attention to the point you were trying to make. How do I go...
Monday, 3 March 2014 - 17:14
Attiny84 and a disappearing global IE
Cliff, Thanks for the assistance. After I read you post I realized I was using return instead of reti(); Thanks again, A.
Monday, 3 March 2014 - 16:42
Is my JTAG ICE mkII DOA?
John, If I manage to breath life back into it, I will let you how. Thanks, A.
Sunday, 2 March 2014 - 00:14
Is my JTAG ICE mkII DOA?
John, I would bet that this is the problem. I have noticed that the ICE has an LM317 on board. Do you think this provides the variable voltage? I guess at some pint the ICE...
Saturday, 1 March 2014 - 23:38
Is my JTAG ICE mkII DOA?
John, The short only occurs when the ICE has power. I have been programming this way for several days so I am confident that my ISP connection is okay. If a short would be present...
Saturday, 1 March 2014 - 22:39
Is my JTAG ICE mkII DOA?
John, I left the SP720 chip off the board. I do not have any of the SPI lines connected. The only thing connected was vcc from my board under test. I confirmed the 5vdc before...
Saturday, 1 March 2014 - 22:09
JTAGICE mkII -> JTAGICE3
Cliff, What is the "new" debugger you are referring to? A.
Saturday, 1 March 2014 - 18:51
JTAGICE mkII -> JTAGICE3
David, I would really like to repair the one I have. The difficulty is that it is a very small project on a very tight deadline. I could probably just bite the bullet and buy a...
Saturday, 1 March 2014 - 18:43
Is my JTAG ICE mkII DOA?
Freaks, I removed the SP720 protection ic. I have a little experience with these. When they "protect" your circuit they can create a short between the vcc and gnd. I have put...
Saturday, 1 March 2014 - 18:27

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