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Discussion Title Created date
atmelstudio will not create file make says to.
I'm building a project with the following make file and it will not create the usbdrvasm.o file.  The other S file is created fine.  If I drop this file in the folder...
Wednesday, 8 November 2017 - 01:12
need help with clamping function.
  X and Y data is a 7 bit -80 0 80 with a sign on the 8th. but the data typically is -60 to 60.  I need to expand and move to 0-255 with clamping. Loss of data is ok....
Sunday, 22 October 2017 - 03:48
compilers are giving different results
I wrote an array mapper and the ending result is bugged. I tried the code with an online compiler and the code works.  I'm trying to figure out what is wrong. I know there is...
Thursday, 19 October 2017 - 02:17
spi mosi always make first bit hi.
I have an spi interface set up on my stmega328 that works well for the most part.  In one case when using it with a device the first bit is held hi in every case.  ...
Sunday, 8 October 2017 - 20:41
Questions about usb over the wire.
I'm trying to trouble shoot a USB protocol at signal level and I'm pretty new to how that works for USB. I have more then my head full of docs about the software implementation. I...
Thursday, 31 August 2017 - 03:17
can inturups set flags for other code on a mega8?
Just a little misunderstanding here I want to clear up.   If I have a function that is called on an interrupt.  Can I set a flag that can be read in another part of the...
Thursday, 31 August 2017 - 02:22
vusb - usb stall errors rondomly on ports.
I have built a project on an atmega328p chip with the well known v-usb firmware driver (latest version)I have been noticing USB stall errors with usbLyzer. I have noticed a few...
Tuesday, 22 August 2017 - 03:10
use pinchange int. only
I'm having a bit of trouble understanding how to control interrupts. As I understand it.   cli - disables global interrupt flag. sei - enables global interrupt flag.  ...
Tuesday, 18 July 2017 - 02:32
math not making sense?
I ran a piece of code in a c compiler.   // Example program #include <iostream> #include <string> int main() { unsigned char reportBuffer[3]={0,0x80,0...
Sunday, 2 July 2017 - 19:54
atmega328p flash device no isp/boptloader pure usb.
I was reading up on the flash and how the 328p memory is laid out. Being there are different section is there any feesable way to manage these sections and allow overwriting while...
Friday, 9 June 2017 - 15:35
v-usb and usbFunctionWrite
I'm not sure this is specific to v-usb or not. Though in general, if I'm going to transfer near 200 bytes of data to a device from the host, will I need to suppress anything? The...
Monday, 29 May 2017 - 03:37
auto chip for can project.
We are looking closely at the STMicroelectronics STM32F205RBT6 for a new ARM7 based auto board design.  I see atmel has some options and  I'd much prefer atmel.  ...
Wednesday, 24 May 2017 - 15:54

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