| Line 6... |
Line 6... |
--! <H2>Features</H2>
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--! <H2>Features</H2>
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--! Wishbone slave \n
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--! Wishbone slave \n
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--! Calculate baudrate based on clock speed \n\n
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--! Calculate baudrate based on clock speed \n\n
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--! Interesting links \n
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--! Interesting links \n
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--! http://opencores.org/ \n
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--! http://opencores.org/ \n
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--! http://www.erg.abdn.ac.uk/~gorry/course/phy-pages/async.html \n
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--! Use standard library
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--! Use standard library
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library IEEE;
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library IEEE;
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use IEEE.STD_LOGIC_1164.all;
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use IEEE.STD_LOGIC_1164.all;
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| Line 19... |
Line 20... |
--! Declare constants, enums, functions used by the design
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--! Declare constants, enums, functions used by the design
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constant nBits : integer := 8;
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constant nBits : integer := 8;
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type txStates is (tx_idle, tx_start, bit0, bit1, bit2, bit3, bit4, bit5, bit6, bit7, tx_stop1, tx_stop2);
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type txStates is (tx_idle, tx_start, bit0, bit1, bit2, bit3, bit4, bit5, bit6, bit7, tx_stop1, tx_stop2);
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type rxStates is (rx_idle, bit0, bit1, bit2, bit3, bit4, bit5, bit6, bit7, rx_stop);
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type rxStates is (rx_idle, bit0, bit1, bit2, bit3, bit4, bit5, bit6, bit7, rx_stop);
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type rxFilterStates is (s0, s1, s2);
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type rxFilterStates is (s0, s1, s2, s3);
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end pkgDefinitions;
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end pkgDefinitions;
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package body pkgDefinitions is
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package body pkgDefinitions is
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