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need help with simple taskswitcher in iccavr
Hi folks. I'm trying to write a c function with some inline assembler in it that will save regs and stackpointer from one 'task', load up the regs and stackpointer from another,...
Sunday, 19 June 2005 - 15:31
Differential analog input on mega32 40 pin dip?
Anyone out there have a mega32 in a 40 pin dip? Thats the Futurelec and ERE Co dev board. The datasheet says they dont test the diff inputs in the plactic pack. Don't know why it...
Monday, 13 June 2005 - 18:49
PORTD on mega16 same as mega32??
I ran out of space on a mega16 prototype, we went with a mega32 on the production. I made a new dir, copied the prog into it, made a new proj, edited the include from iom16v to...
Thursday, 9 June 2005 - 21:07
cant read portc middle 4 bits on mega32?
I have a mega32.... the portc bits 5432 are the jtag bits tck,tms,tdo,tdi. Chip programs with jtag fine. Want to read 4 inputs on these pins. Set DDRC to ins, read PINC and print...
Tuesday, 19 April 2005 - 17:48
C99 int64 LL?
Someone on comp.arch.embedded is asking why his program full of int64 type LongLongs isn't running right on his mega128. Does the avr gcc do longlongs??
Monday, 4 April 2005 - 03:20
atmel stk bd for mega16 44 pin??
Anyone know if there is an STK50? bd that will take a mega16 44 pin flatpack? How do you parallel erase a mega16?
Monday, 7 March 2005 - 14:16
read fuses on mega16 in circuit?
Still trying to solve a problem of a few boards that got misprogrammed. JTAG fuse or a clk fuse must be wrong... I couldnt connect with the JTAG after the new tech 'programmed'...
Friday, 4 March 2005 - 15:37
accessing pc on stack from c
Spent a few hrs Sat trying to write a little profiler... I got this to work years ago on my moto micros... when the timer int hits, (there are now 32 regs plus 2 bytes of return...
Sunday, 27 February 2005 - 02:28
Misprogrammed fuses on some mega16s... how to undo??
A new guy hooked up the jtag and avr studio and programmed a couple dozen of the 1000 mega16 boards we are sending out. Boss is fuming. "Thats $2000 worth of boards! Thats all the...
Tuesday, 25 January 2005 - 01:09
ASM vs C - Round 900
[Mod note (sorry to steal your space Bob, but it was first!): I've split this thread off from the thread at https://www.avrfreaks.net/phpBB2/viewtopic.php?t=25918. -MMC] 128K will...
Monday, 10 January 2005 - 13:56
avr with code address pins?
Hey atmel guys..... any plans to make an avr with the program address bus coming out? Then we could build our own mega256 out of a mega16 or a mega32 and a 256k external flash rom...
Friday, 7 January 2005 - 18:19
read raw mfm data from a floppy?
There seems to be a 'mentality' among we embedded types to do low level stuff in software... like bitbanged serial ports, d/a converters using pwm outputs, video syncs and pixels...
Friday, 7 January 2005 - 17:52