behavioural Architecture Reference

Processes
rgb_curve	( clk , rst )
	clocked process that outputs LUT-value on each rising edge if enable is true

Constants
lut_r	array_pixel := create_sigmoid_lut ( 2 ** wordsize , 5 . 0 )
lut_g	array_pixel := create_sigmoid_lut ( 2 ** wordsize , 7 . 0 )
lut_b	array_pixel := create_sigmoid_lut ( 2 ** wordsize , 2 . 0 )
lut_x	array_pixel := create_sine_lut ( image_width , 0 . 3 )
lut_y	array_pixel := create_sine_lut ( image_height , 0 . 3 )

Signals
lut_value_x	std_logic_vector ( ( wordsize - 1 ) downto 0 )
	Value from LUT_x.
lut_value_y	std_logic_vector ( ( wordsize - 1 ) downto 0 )
	Value from LUT_y.
lut_value_r_s	std_logic_vector ( ( wordsize - 1 ) downto 0 )
	Value from LUT_y.
lut_value_g_s	std_logic_vector ( ( wordsize - 1 ) downto 0 )
	Value from LUT_y.
lut_value_b_s	std_logic_vector ( ( wordsize - 1 ) downto 0 )
	Value from LUT_y.
lut_x_lut_y	natural range 0 to 2 ** ( 2 * wordsize )
	LUT_x * LUT_y.
p_r	natural range 0 to 2 ** ( wordsize )
	buffered pix_in
p_g	natural range 0 to 2 ** ( wordsize )
	buffered pix_in
p_b	natural range 0 to 2 ** ( wordsize )
	buffered pix_in

Member Function Documentation

rgb_curve()

rgb_curve (   clk ,   rst   )

Process

clocked process that outputs LUT-value on each rising edge if enable is true

Parameters

[in]	clk	clock
[in]	rst	asynchronous reset

Member Data Documentation

lut_b

lut_b array_pixel := create_sigmoid_lut ( 2 ** wordsize , 2 . 0 )

Constant

lut_g

lut_g array_pixel := create_sigmoid_lut ( 2 ** wordsize , 7 . 0 )

Constant

lut_r

lut_r array_pixel := create_sigmoid_lut ( 2 ** wordsize , 5 . 0 )

Constant

lut_value_b_s

lut_value_b_s std_logic_vector ( ( wordsize - 1 ) downto 0 )

Signal

Value from LUT_y.

lut_value_g_s

lut_value_g_s std_logic_vector ( ( wordsize - 1 ) downto 0 )

Signal

Value from LUT_y.

lut_value_r_s

lut_value_r_s std_logic_vector ( ( wordsize - 1 ) downto 0 )

Signal

Value from LUT_y.

lut_value_x

lut_value_x std_logic_vector ( ( wordsize - 1 ) downto 0 )

Signal

Value from LUT_x.

lut_value_y

lut_value_y std_logic_vector ( ( wordsize - 1 ) downto 0 )

Signal

Value from LUT_y.

lut_x

lut_x array_pixel := create_sine_lut ( image_width , 0 . 3 )

Constant

lut_x_lut_y

lut_x_lut_y natural range 0 to 2 ** ( 2 * wordsize )

Signal

LUT_x * LUT_y.

lut_y

lut_y array_pixel := create_sine_lut ( image_height , 0 . 3 )

Constant

p_b

p_b natural range 0 to 2 ** ( wordsize )

Signal

buffered pix_in

p_g

p_g natural range 0 to 2 ** ( wordsize )

Signal

buffered pix_in

p_r

p_r natural range 0 to 2 ** ( wordsize )

Signal

buffered pix_in

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The documentation for this class was generated from the following file:

• /home/ben/Programming/VHDL/realtimestagram/src/lomo/src/lomo.vhd