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Adding bootloader code to Xmega32a4u in AVR Studio 7
Hi, we are trying to add the code below to the project and locate it at 0x8000-0x8fff which is where the Bootloader resides. Thius works fine in Imagecraft but we cannot find any...
Tue. Jan 30, 2018 - 10:20 AM
Xmega32a4u USB HID using external 16MHz crystal
Hi All, we are currently developing a program using the ASF example for USB HID. This example uses the internal 32MHz oscillator and adjusts the calibration to be 48MHz needed for...
Mon. Nov 13, 2017 - 08:29 PM
XMega32A4u Interrupt I-flag
We have a project with various interrupts. The 1ms C0 timer interrupt is the lowest priority and we would like the RXC uart interrupt to be able to interrupt this timer interrupt...
Thu. Aug 31, 2017 - 07:00 AM
XMega32a4u USB HID interface
Hi, we are using the XMega32a4u to develep a USB CDC interface. This seems to work well, but the customer now wants a HID interface   So far, we have tested the ASF HID...
Fri. Aug 18, 2017 - 03:53 AM
XMega32a4u - use 2MHz internal oscillator & PLL to generate 8MHz clock
Hi, we are trying to run the XMEGa32A4u with an internal 8MHz clock.   Here is the code below. This does not run for some reason. We would put the AVR ICE on to test, but...
Thu. Aug 17, 2017 - 12:03 AM
XMega32a4u DAC current drain
We are using the 32a4u in a new project. We noticed that the board uses 26mA. Using the JTAG ICE, we can see that this is made up  of: 6mA for the analog circuitry (when...
Fri. Jul 14, 2017 - 06:14 AM
USB CDC driver RAM usage
Hi,   We are getting RAM overrun errors with AVR Studio using the USB CDC driver for the Xmega32a4u   CDC1(0,0): error: Program Memory Usage : 16838 bytes   45.7 %...
Wed. Jul 12, 2017 - 01:21 AM
How to add ELF file data for the compiler to set
With Elf files, there is the following data required: Flash Eeprom User Signatures Fuse Lockbits Device ID   I found out the commands below to program the Lockbits and...
Tue. Jul 11, 2017 - 11:55 PM
XMega32a4u ADC zero offset - 0V input to ADC returns 203 on 12 bit res?
We are using an Xmega32a4u for a project and when reading some of the inputs which are set to ground, the ADC returns a value of 203. All the ADC inputs seem to have this offset...
Mon. Jul 10, 2017 - 11:06 AM
XMega32a4u bootloader
We recently purchased an Xmega128a4u devkit from here. This kit seems to work well and the bootloader work by either using the shunt on PE0 or jumping to address 0x100fe.  ...
Fri. Jul 7, 2017 - 07:04 AM
AVR Studio 7 compiler issue
Hi, this is a question about an alleged bug in AVR Studio 7.   I have a timer interrupt C0 which has a ms_timer variable which decrements every 1ms. A subroutine wait_ms(1000...
Thu. Jun 8, 2017 - 12:42 AM
XMega128A4U USB Communications - CDC vs HID
We are using the XMega128A4U for a project. We have managed to get the USB CDC code to work in AVR Studio 7 but need to port this to the Imagecraft C compiler for a few reasons,...
Fri. Jun 2, 2017 - 12:26 AM

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