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cpldcpu / light_ws2812

Light weight library to control WS2811/WS2812 based LEDS and LED Strings for 8-Bit AVR microcontrollers.
GNU General Public License v3.0
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Assembler Error #61

Closed kappi1997 closed 6 years ago

kappi1997 commented 6 years ago

Hello everyone. I just tried to use this library in Atmel studio 7. I set the F_CPU in the properties to 16MHZ(in numbers of course) which is the frequency my atmega 2560 is running at. Now i've imported the two header files and the c file and tried to compile knowing that nothing will light up but this didn't work for me. There are multiple Warnings with the following content: asm operand 2 probably doesn't match constraints and a fitting error message: Impossible constraint in 'asm'. All errors point at this line(the first one): asm volatile( " ldi %0,8 \n\t" "loop%=: \n\t" " out %2,%3 \n\t" // '1' [01] '0' [01] - re Am i doing something wrong? Or is it just me being dumb and not knowing how to handle assembler files?

cpldcpu commented 6 years ago

This is probably because you use a port that is not accessible using normail in/out functions.