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Problem comping simple asm function by g++
I try to compile a simple function for XMEGA256A3BU: uint8_t NVM_read_byte(uint8_t cmd, uint16_t address) {        uint8_t result;   ...
Sunday, 19 May 2019 - 13:22
Sharing functions between application and bootloader
I have a strange problem with the following function: static inline void NVM_ExecCommand_SPM(uint16_t address, uint8_t cmd) { register uint16_t address_ asm("r24") =...
Sunday, 7 April 2019 - 19:36
How to enforce avr-gcc to treat assembly code as a function call
Happy New Year to everyone! I’m working on bootloader for XMEGA with 256 kB FLASH. My bootloader has some functions, which will be eventually called by regular application code....
Wednesday, 2 January 2019 - 14:07
XMEGA32E5 – timer TCC4 in byte mode
I have read the XMEGA E5 manual many times, but not everything is clearly explained there. I try to use TCC4 in byte mode, to double the number of PWM channels. Everything seems...
Saturday, 20 October 2018 - 09:46
SAM D21 – sprint issue
Hi, I’d like to use sprintf function in my program. But unfortunately if I add something like this: sprintf(bufor, "%5lu b/s, %5lu pix/s", counter/8, counter/8/10); I cannot...
Wednesday, 4 January 2017 - 21:40
Problem with Xplained mini 328P
Hi, After upgrading from AS 6.2 to AS 7.0 I’ve upgrade Xplained mini 328P firmware to version 1.0d. Everything was fine, but now when I enter device programming dialog I cannot...
Tuesday, 29 March 2016 - 15:44
Atmel Data Visualizer – detailed info
I’m very interested in new Atmel Data Visualizer – after initial problems with expired certificate for that package, Atmel finally released version which seamlessly installed as...
Sunday, 23 November 2014 - 17:15
Atmel Data Visualizer – expired certificate
I try to install AS plugin – Atmel Data Visualizer. After downloading the package a problem with installing occurred – I’ve got info – setup failed, 0x800b0101 – required...
Friday, 24 October 2014 - 19:13
avr-gcc – architecture independent obj files
I have a lot of data files I'd like to include in my apps. So I changed the data into obj files using objcopy. That's fine, and I'm able to create a library which contains all my...
Sunday, 23 March 2014 - 17:16
memcpy_PF – possibly bugged function
memcpy_PF "“ possibly bugged function The function does't work properly on at least XMEGA128A1 device. According to description the function should take a far pointer to FLASH...
Monday, 23 September 2013 - 09:26
What happened to __pgmx address space?
Months ago named address spaces have been introduced into gcc. And there was __pgmx address space, which uses 24-bit pointers. What happened with that? Now __pgmx is not...
Sunday, 15 September 2013 - 09:30
__memx - initializer element is not computable at load time
Hi, I've tried to use new feature of avr-gcc "“ named address spaces. For example the following code: const __flash char *x=PGM_STR("Test"); works fine. But I want to create a...
Wednesday, 21 August 2013 - 07:04

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