add comment for pinout
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main.c
11
main.c
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@ -9,6 +9,17 @@
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#include "lib/7segment.h"
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#include "lib/7segment.h"
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#include "lib/7segment_4digits.h"
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#include "lib/7segment_4digits.h"
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/**
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* O O O O O O O O
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* DDRF x x x x x x x x
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* \-\-\-\-\-\-\-\--- 7 segment output
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*
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* I I O O O O O O
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* DDRK x x x x x x x x
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* | | \-\-\-\--- digit selection output
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* \-\--------------- Button input
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*/
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void main() {
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void main() {
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DDRF = 0b11111111;
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DDRF = 0b11111111;
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DDRK = 0b00001111;
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DDRK = 0b00001111;
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