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Binded register optimized out
Using AVR Studio 4.18 build 716 and WinAVR-20100110 Im using and binded register R3 as a variable R3 in an ISR routine, but I cannot set it's value in main or in any inline...
Wednesday, 18 November 2015 - 20:08
FatFs r0.11 FAT32 formatting problems
It appears r0.11 of FatFs "ffsample\avr_foolproof" was not so foolproof in my case. using a 8GB microSD card, formatted using built in windows 7 disk format to FAT32. I see this...
Tuesday, 21 April 2015 - 22:28
ISR NAKED question...
just for reference, using GCC, WinAVR and AVRStudio4.18 ...so I want to set the output of two ports in an ISR, and I plan to do this naked, but I see something strange.......
Saturday, 5 October 2013 - 15:20
EEPROM reserve section...
using WinAVR and AVRStudio 4.18 I want to reserve the first 10 bytes of eeprom in a C program, but I also want to have various eeprom structs used in the program... When I compile...
Sunday, 22 September 2013 - 02:46
atmega88a internal tempature sensor
using an atmega88a at 20MHz. adc prescaler set to 128. 1.1v ref selected 0.1uF cap on REF pin. AVCC connected to supply 5v with 0.1uF cap. I'm trying to use the internal temp...
Monday, 26 August 2013 - 03:59
atmega88 bootloader question
ok, this may be a stupid question, I'm using atmega88a, WinAVR, and AVRStudio4... avr ISP mkII programmer shows me this... "Boot Flash size=1024 words Boot address=$0C00" //I...
Friday, 23 August 2013 - 02:37
AVRISP mkII with Windows 8 64bit
AVRISP mkII with Windows 8 64bit... Anyone got this working on win8? I've done the... BCDEDIT /Set LoadOptions DDISABLE_INTEGRITY_CHECKS to allow unsigned drivers, rebooted, etc...
Thursday, 7 March 2013 - 02:21
ISR action before SREG save?
using GCC, I basically want to quickly set a timer register before SREG is saved, for time critical reasons. saving SREG is taking 12 cycles at the beginning of the ISR, and I...
Tuesday, 26 February 2013 - 17:49
smaller footprint utoa
I'm wondering if anyone has explored this, I'm looking to create a function that uses less flash space than utoa. I didn't want to remake the wheel if something was already out...
Monday, 25 February 2013 - 17:38
How do you like it?
So let me get some feedback here, from the guru's... Who's using and trust's AVR studio 5 and AVR studio 6? When 5 came out, I was not happy with it, and went back to 4, some...
Thursday, 21 February 2013 - 04:41
atmega88 timer2 pwm phase correct mode
using atmega88, but timer2 wont start, test code is below. Output pin just sits High or Low, no freq. am I overlooking something dumb here? int main() { sei(); DDRD |= BIT(3...
Sunday, 17 February 2013 - 05:08
LUFA 120219 bootloader problem
I'm using the unmodified example... Bootloaders\HID LUFA newest stable release LUFA 120219 on a AT90USB1287 Problem is when I change from RAM to FLASH descriptors, and add PROGMEM...
Friday, 27 July 2012 - 16:34

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