Speaking for ATMEGA and T1 (probably the same in T2) the basic pin,
port, and register definitions are in:
/usr/local/avr/include/avr/iom128.h
And as just recently mentioned here, the control registers are
memory mapped so writing to them makes things happen directly.
Search out a copy of the ATMEGA128 manual for TooMuchInformation
about what each bit does.
MS
Bernardo Avila Pires wrote:
Hi! Can you help me, please? Where do I find the declarations of DDRA,
PORTA, PINA, etc ? It seems to me that the bit values are written to
memory and I suppose the CPU reads from them. Is that so? Is there such
information in the ATMega docs?
Thank you very much.
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