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Announcement: HWA new release Hello Everybody, About 2 years ago I pushed on Github a first version of the hardware abstraction tool I named HWA. Some people here gave me some feedback that I hope I... |
Sunday, 17 May 2015 - 16:34 |
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gcc-4.7: linking works for ATtiny, fails for ATmega Dear Sirs, I've just compiled a gcc-4.7.2 toolchain with avr-libc-1.8.0 and I'm in trouble. Can you explain me why avr-gcc -mmcu=attiny85 main.c works and avr-gcc -mmcu=... |
Sunday, 23 December 2012 - 14:44 |
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Announcement: HWA I've just published on GitHub the first version of what I've called HWA. HWA is a related to low-level programming, typically with microcontrollers. Its goals are: * low-level... |
Wednesday, 27 June 2012 - 13:10 |
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.bss not set to 0 if no bss data declared in C source ? Hello AVR experts, I'm using avr-gcc-4.5.3 for compiling a ATtiny44 project made of an asm source file and a C source file. The asm source declares a few bss data like this: .... |
Thursday, 29 March 2012 - 18:01 |
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Diabolo is a boot loader A few years ago I've begun to write a serial bootloader using a software UART without crystal, plus a wxPython PC-side utility. This post to let you know I've just took the time... |
Tuesday, 13 March 2012 - 14:21 |
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How can I use an ISR name other than __vector_x that... ... won't trigger a warning? Hello AVR experts, I'm looking for a mean to have an ISR named something other than __vector_x. For now, I've tried that: void myisr ( void ) {... |
Tuesday, 13 March 2012 - 14:00 |
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ATtiny45: SPM instruction seems inactive Hello Dear, The configuration: ATtiny45 + 16 MHz crystal Fuses low byte: 0xEF, high byte: 0xDF, lock bits: 0xFF The code (exerpt): ldi R30, 0x40 ldi R31, 0x00 ldi R19, 0x03... |
Thursday, 23 June 2011 - 10:46 |
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ATmega88 Fuse Extended Byte Hello evreyone, Can somenone tell me why I can't program the fuse extended byte on an ATmega88 to launch the bootloader at 0x1E00? I use uisp : uisp -dlpt=/dev/parport0 -dprog=... |
Saturday, 10 June 2006 - 16:44 |