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libusb question regarding interfaces
Hi there, I want to implement a device that uses a vendor interface and the mass storage interface. I use the libusb driver for the vendor interface. The enumeration part I got...
Friday, 23 October 2009 - 08:48
xmega - sample I/O pin at 74Mhz?
Hi there, I want to sample a digital input pin at 74Mhz for 160us and save the data in memory to be processed later on. Can the XMega with its DMA or Event system fullfill my...
Tuesday, 22 September 2009 - 10:40
Make all, compile all files, old and new?
Hi there, I want each source file to be compiled when I run "make all". At the moment only the source files that has changed, is being compiled. Anyone that knows how do to this?...
Thursday, 17 September 2009 - 09:12
why code in empty interrupt routine?
Hi there, I have got the following interrupt routine: ISR(TWI_vect) { /* DO NOTHING, INTERRUPT FLAG IS NOT CLEARED VIA HARDWARE, SOFTWARE IS MONITORING INTERRUPT FLAG...
Friday, 21 August 2009 - 07:26
How to perform a jump using the AT90USB1287
Hi there, From my main program I want to jump / execute my boot program that resides at address 0x1E000 (byte address). How do I tell GCC to perform such a jump / goto? Certainly...
Tuesday, 27 January 2009 - 12:06
How to put Data in Program Space at specific address?
Hi, I want my main program to be able to read the bootloader's software version. So I thought I will put the software version at a specific address in the flash memory, and then...
Thursday, 15 January 2009 - 11:48
FPSLIC Max Frequency Dropped.... But Why?
According to the newest FPSLIC datasheet, the AT94K40AL Maximum AVR frequency is dropped from 25MHZ to 18MHZ. What a nightmare, my project is running at 24MHZ and now I have to...
Thursday, 24 January 2008 - 10:57
Date/Time in Output File?
I am using WinAVR and have the following question regarding the makefile: Is there a way to make the output file(s) have the date/time when the code was compiled? For example:...
Monday, 14 January 2008 - 08:29
Variadic function call question
Hi there, I am using CodeVision and have the following question: I am calling a variadic function which is declared as: void BIOS__Call_Function(unsigned int temp_ID,...) For a...
Thursday, 6 December 2007 - 13:39
Array of Pointers to Functions - CodeVision Help needed
Hi there, I am referring to microcarl's topic of Array of Pointers to Functions... I tried his way of having a table with the address of the functions to call and then by pointing...
Thursday, 6 December 2007 - 08:08
Floating point Question: Inserting Decimal into float
Hi there, If I have a number(int) which represents the decimal part of a floating point number, for example 1234 -> 98.1234 , what is the best way in terms of accuracy to...
Wednesday, 3 October 2007 - 13:09
Anyone know how to set/read Secure Bit in Secure FPSLIC?
Hi there, I would like to read and set the security bit in the Secure FPSLIC. According to ATMEL, you read/write to address 0x800000-0x800003. If data is 0xFFFFFFFF then security...
Tuesday, 2 October 2007 - 08:23

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