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C Syntax
I have been reading many C related documents & code & posts with a view to switch from asm & basic to C. But my brain hurts. I understand that foo = foo & ~0x01;...
Tuesday, 23 August 2005 - 05:06
WAV recorder ADC interrupt
I have made a WAV recoder / player. The playback is fine. Record is giving me some headaces. In the attached zip, there are 2 versions. wav_play_record.bas works. It uses a...
Wednesday, 25 May 2005 - 12:18
Counter0 problems
I want to generate a 800kHz square wave using counter 0 on a M128 @ 16MHz. It uses WGM2, Toggle OC0 on Compare, no clock prescale, and ddrb bit 4 is set. BUT I only get 5V out...
Monday, 16 May 2005 - 11:52
Min. Vref for A/D
Anyone know what a practical minimum voltage for Vref may be? I am only interested in 8 bit and plan on using a 250kHz A/D clock. Thanks Phil
Tuesday, 10 May 2005 - 05:05
jtagice.exe command line programmer
I want to program my device using the jtagice, but I cannot get it to work??? The command line is Quote:JTAGICE.EXE -dATmega128 -e -ifmyprog.hex -pf -vf -c2 -B19200 The replay I...
Thursday, 10 February 2005 - 11:36
SD card on hardware SPI help
I have written a driver for a SD / MMC card that uses the harware SPI, and wrapped a little test routine around it. It works fine on a panasonic 32M card, BUT, not on a sandisk...
Tuesday, 1 February 2005 - 09:19
FAT16 directory help
Attached is a avr studio memory dump (jpg as I cannot work out how to cut out text) of a fat 16 root directory. The 0th entry is volume ID. Then there are a few files. All OK BUT...
Tuesday, 4 January 2005 - 11:47
How to you remove a bug?
I am working on a FAT32 on ATA disk read / write home project, and have come up against a brick wall. First what it does right. I can read sequentally & randomly any file in...
Thursday, 23 September 2004 - 12:45
external sram interface & pull ups
Is it possible to use the external sram interface with the internal pull ups enabled on AD0-AD7? (porta on mega162). Writing &HFF to porta does not work, the bus just floats...
Wednesday, 11 August 2004 - 23:40