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kaklik |
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library ieee; |
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use ieee.std_logic_1164.all; |
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entity swap_endianness is |
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port ( |
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i_data : in std_logic_vector; |
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o_data : out std_logic_vector |
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); |
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end swap_endianness; |
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architecture behavioral of swap_endianness is |
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begin |
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assert ( i_data'length = o_data'length ) report "The input and output data lengths have to match." severity failure; |
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assert ( i_data'length mod 8 = 0 ) report "The data length has to be divisible by 8. (Whole bytes)." severity failure; |
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swap_gen : for i in 0 to ((i_data'length / 8) - 1) generate |
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o_data( 8*(i+1) - 1 downto 8*i ) <= i_data( i_data'length - 8*i - 1 downto i_data'length - 8*(i+1) ); |
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end generate; |
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end architecture; |
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