Type in the full discussion title or a part of it.
Discussion Title Created date
Just trying to sort a couple of warnings
Wondered if someone could help me with a couple of warnings I haven't managed to get rid of: 1: while(f_gets(buffer, sizeof(buffer),...
Sunday, 29 January 2012 - 13:16
Temporarily stopping pwm
I am using pwm to output sound out of a pin on an avr. It is reading the sound data from .wav files (in pcm format) from an sd card. All works well, however instead of it looping...
Friday, 27 January 2012 - 15:38
The MISO line
So very simple question. I understand that the SPI lines should or will either be 0v or Vcc. Checking them with my scope, thats what I get on my power line (to my slave), my CS...
Wednesday, 25 January 2012 - 11:49
Oscilloscope
So my nano oscilloscope arrived this morning. I know its not top of the range but wow its cool. Touched it on my audio (pwm) out pin, and bam there it was - a nice pwm wave. And...
Monday, 16 January 2012 - 14:50
Not reading correct value from array
Is there a purely coding forum? I think this the the right forum however I dont want to annoy anyone... Using AVR-GCC, atmega1284 in AVS4. The following code is reading variables...
Saturday, 14 January 2012 - 16:48
SPI and the SD card as a slave
So I am trying to understand SPI connectivity with an SD card. I have only one sd card, and I am setting it up as the slave. I am using FATFS to communicate with it. The library...
Thursday, 5 January 2012 - 15:53
double buffer @ fast pwm
Sorry guys, been reading some info from sd card and passing it to the OCR0A. Worked beautifully with a 16Mhz crystal on the 1284 in surface mount, had to adjust some registers and...
Tuesday, 20 December 2011 - 19:37
Crazy Optimization issue
Do Compiler's have personalities. I mean the other day I (thought) upgraded to the latest version of AVS4, toolchain and GCC. I did this because there was a problem with an older...
Saturday, 17 December 2011 - 23:17
USART (in correct forum)
I thought Id post in the correct forum this time. Pin11 of my max232 is connected to pin15 of my 1284 that is T1IN --> TXD0. Pin 12 of max232 is connected to pin14 of 1284, that...
Thursday, 15 December 2011 - 13:19
Usart setup
Hi Guys, just trying to setup USART, Im using the code for USART from the tutorial on setting up SD card painlessly - The bigger picture is I am now trying to get fatfs working on...
Friday, 9 December 2011 - 19:15
AVRmega1284 development board [solved]
Just bought a new dev board because I cant solder smd mega128's so I bought the Olimex 40 pin DIP dev board. Looks great arrived today cant wait to give it a shot. Simple question...
Tuesday, 6 December 2011 - 13:04
sscanf for floats
Hi I can read from an sd card into a buffer - dumping the buffer to the desktop shows me the file on the sd card holds this: Quote:log file 0.387, 2.938, 7.83 running this code...
Wednesday, 30 November 2011 - 22:42

Pages