RGB LED cube 5x5x5
1.0
Martin Stejskal, Schmidt Dominik
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AVR
led_cube_lib
bit_operations.h
Go to the documentation of this file.
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// Trick for multiply include this file
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#ifndef _bit_operations_library_
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#define _bit_operations_library_
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/*-----------------------------------------*
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| Includes |
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*-----------------------------------------*/
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#include <avr/io.h>
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/*-----------------------------------------*
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| Macros |
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*-----------------------------------------*/
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#define set_bit_simple(var,bit_num) var = (var) | (1<<bit_num)
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#define set_bit(var,bit_num) set_bit_simple(var, bit_num)
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#define clr_bit_simple(var,bit_num) var = (var) & (~(1<<bit_num))
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#define clr_bit(var,bit_num) var = (var) & (~(1<<bit_num))
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#define io_set_dir_out_simple(X,pin) DDR##X = DDR##X | (1<< pin)
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#define io_set_dir_out(X,pin) io_set_dir_out_simple(X,pin)
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#define io_set_dir_in_simple(X,pin) DDR##X = DDR##X & (~(1 << pin));\
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PIN##X = PIN##X & (~(1 << pin))
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#define io_set_dir_in(X,pin) io_set_dir_in_simple(X,pin)
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#define io_set_1_simple(X,pin) PORT##X = PORT##X | (1 << pin )
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#define io_set_1(X,pin) io_set_1_simple(X,pin)
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// Same as "io_set_1" macro
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#define io_set_H(X,pin) io_set_1(X,pin)
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#define io_set_0_simple(X,pin) PORT##X = PORT##X & (~(1 << pin))
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#define io_set_0(X,pin) io_set_0_simple(X,pin)
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#define io_set_L(X,pin) io_set_0(X,pin)
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#define io_read_simple(X,pin) ( PIN##X & (1 << pin) )>>pin
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#define io_read(X,pin) io_read_simple(X,pin)
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#define io_read_fast_simple(X,pin) PIN##X & (1 << pin)
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#define io_read_fast(X,pin) io_read_fast_simple(X,pin)
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/*-----------------------------------------*
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| Function prototypes |
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*-----------------------------------------*/
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/*-----------------------------------------*
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| Definitions |
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*-----------------------------------------*/
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#define dir_out 1
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#define dir_in 0
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#endif
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