gray_counter

Value counter using Gray Encoding

WIDTH	u32	Counter width
MAX_COUNT	bit	Max value of counter (in binary)
MIN_COUNT	bit	Min value of counter (in binary)
INITIAL_COUNT	bit	Initial value of counter (in binary)
WRAP_AROUND	bit	Whether counter is wrap around

i_clk	input	clock	Clock
i_rst	input	reset	Reset
i_clear	input	logic	Clear counter
i_set	input	logic	Set counter to a value
i_set_value	input	COUNT	Value used by i_set
i_up	input	logic	Count up
i_down	input	logic	Count down
o_count	output	COUNT	Count value
o_count_next	output	COUNT	Count value for the next clock cycle
o_wrap_around	output	logic	Indicator for wrap around

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