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--! 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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constant nBitsLarge : integer := 32;
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constant nBitsLarge : integer := 32;
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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 (bit0, bit1, bit2, bit3, bit4, bit5, bit6, bit7, rx_stop, rx_idle);
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type rxFilterStates is (s0, s1, s2, s3);
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type rxFilterStates is (s0, s1, s2, s3);
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type uartControl is (idle, config_state_clk, config_state_baud, start_division, wait_division, config_state_baud_generator,
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type uartControl is (idle, config_state_clk, config_state_baud, start_division, wait_division, config_state_baud_generator,
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rx_tx_state, tx_state_wait, rx_state_wait);
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rx_tx_state, tx_state_wait, rx_state_wait);
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