hello...i m using dapa for programming my microcontroller and it was working fine.. but now i get this error each time i program.. plzzzz help... also wat does invalid device signature mean..?
avrdude -p atmega8 -P lpt1 -c dapa -U flash:w:main.hex
avrdude: AVR device initialized and ready to accept instructions
Reading | ################################################## | 100% 0.00s
avrdude: Device signature = 0xffffff
avrdude: Yikes! Invalid device signature.
Double check connections and try again, or use -F to override
this check.
avrdude done. Thank you.
make.exe: *** [program] Error 1