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Discussion Title Created date
FatFs not able to write to the mmc card
I have downloaded the latest version of the fatfs fsample zip file. I have added code to use the SPI peripheral, and also make sure the mmc is powered. Disk initialization goes ok...
Sat. Apr 14, 2018 - 01:51 PM
having bootloader but not starting through it
I have a strange idea, but have totally no experience with bootloaders so wonder if it can be done at all. I want to develop a datalogger that I can use to track were we have been...
Thu. Apr 12, 2018 - 06:44 AM
FatFS capability to rename a filename
It has been a long long time since I have played with FatFs but I think I am going to start again playing with it in not to long a time. I am making a simple datalogger and as...
Mon. Mar 19, 2018 - 07:03 AM
using directory structure for file keeping
Up till recently I only have done smallsih projects on smaller processors, So not a lot of code was present and also not to many files. I recently started on something bigger ("...
Tue. Jul 4, 2017 - 12:22 PM
Studio 7 Crash on invalid User experience package
After a hefty Studio crash causing a blue screen of death. It does not want to start properly. I keep getting the message below:   when looking in the log file that is...
Fri. May 12, 2017 - 02:58 PM
missing bits in io decriptors.
Hi I am using Atmel studio 7 1417. I am using a ATmega1284P I am trying to get the USART in SPI master mode. I copied the following code from the datasheet: void USART_Init(...
Thu. Mar 23, 2017 - 08:25 PM
Make and use your own current transformer
I have seen a number of topics on current transformers, but I would like to make one myself.   for a 1 off project I want to make a current transformer that can measure up to...
Sat. Oct 10, 2015 - 11:46 AM
timer peripheral and pin register
yet another timer pwm question actually a couple of questions in fact. I use a Amtega168. Timer1 is set to CTC mode with tops being ICR1. This as I wan t to use both OCR pins for...
Tue. Jul 22, 2014 - 06:02 AM
controlling PC Fan
I would like to know if anybody has experience with controlling the speed of a PC power supply fan. I know that effectively there is a controller in the fan to let the brushless...
Mon. Jun 23, 2014 - 01:00 PM
use both AS6.0 and 6.1 side by side
I would like to know if I can use both AS6.0 and AS6.1 side by side. I have a few old projects that I use for quick debugging code and do not yet want to re-write them to fit the...
Mon. Jan 13, 2014 - 12:58 PM
Asumed datasheet error Mega48A datasheet
IN section 20.7 there is a bug in the example The assembly example is: USART_Receive: ; Wait for data to be received in r16, UCSRnA sbrs r16, UDREn rjmp USART_Receive ; Get and...
Tue. Aug 13, 2013 - 10:51 AM
actual speed of internal RC with voltage
Curious, I have a mega48A. I know that when you run it at 5V the RC oscillator will do 8MHz (disregard the tolerance for now) according to the features list in the specification...
Mon. Aug 12, 2013 - 12:59 PM

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