hello, experts: I am trying to write driver for one SPI LCD(for UNO), but i don't know how to set Pin11 and Pin13 with HIGH and LOW output. just like this: #define PIN5_LOW {DDRD |= 0x20;PORTD &=~ 0x20;} #define PIN5_HIGH {DDRD |= 0x20;PORTD |= 0x20;} THANKS!!! ]:smiley:

How to set Pin11 and Pin13 with HIGH and LOW output?

pylon April 25, 2014, 6:10pm 2

Why don't you use the SPI library?

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