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--=============================================================================================
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--=============================================================================================
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-- Constants
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-- Constants
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--=============================================================================================
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--=============================================================================================
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-- debounce generics
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-- debounce generics
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constant N : integer := 8; -- 8 bits (8 switch inputs)
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constant N : integer := 8; -- 8 bits (8 switch inputs)
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constant CNT_VAL : integer := 1000; -- debounce period = 1000 * 10 ns (10 us)
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constant CNT_VAL : integer := 5000; -- debounce period = 1000 * 10 ns (50 us)
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--=============================================================================================
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--=============================================================================================
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-- Signals for internal operation
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-- Signals for internal operation
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--=============================================================================================
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--=============================================================================================
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--- switch debouncer signals ---
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--- switch debouncer signals ---
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--=============================================================================================
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--=============================================================================================
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-- LED register update
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-- LED register update
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leds_reg_proc: leds_reg <= sw_reg; -- leds register is a copy of the updated switch register
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leds_reg_proc: leds_reg <= sw_reg; -- leds register is a copy of the updated switch register
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-- update debug register
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-- update debug register
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dbg_lo_proc: dbg(7 downto 0) <= sw_i; -- lower debug port has debounced switch data
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dbg_lo_proc: dbg(7 downto 0) <= sw_i; -- lower debug port has direct switch connections
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dbg_hi_proc: dbg(15 downto 8) <= sw_data; -- upper debug port has direct switch connections
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dbg_hi_proc: dbg(15 downto 8) <= sw_data; -- upper debug port has debounced switch data
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--=============================================================================================
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--=============================================================================================
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-- OUTPUT LOGIC PROCESSES
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-- OUTPUT LOGIC PROCESSES
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--=============================================================================================
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--=============================================================================================
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