test_bench_driver Entity Reference

Libraries
ieee
	use standard library
common

Use Clauses
std_logic_1164
	use std_logic_vector
numeric_std
	needed for colorscheme calculations
textio
	used for writing and reading images
math_real
	used only for calculation of constants
image_io_pkg	Package <image_io_pkg>
config_const_pkg	Package <config_const_pkg>

Generics
wordsize	integer
	size of input pixel value in bits
input_file	string
output_file	string
clk_period_ns	time := 2 ns
rst_after	time := 10 ns
rst_duration	time := 10 ns
dut_delay	integer := 1
	Number of clk pulses of delay of a Device Under Test between input and output.
h_count_size	integer := integer ( ceil ( log2 ( real ( const_imagewidth ) ) ) )
v_count_size	integer := integer ( ceil ( log2 ( real ( const_imageheight ) ) ) )

Ports
clk	out std_logic
	completely clocked process
rst	out std_logic
	asynchronous reset
enable	out std_logic
h_count	out std_logic_vector ( h_count_size - 1 downto 0 ) := ( others = > ' 0 ' )
v_count	out std_logic_vector ( v_count_size - 1 downto 0 ) := ( others = > ' 0 ' )
pixel_from_file	out std_logic_vector ( ( wordsize - 1 ) downto 0 )
	the input pixel
pixel_to_file	in std_logic_vector ( ( wordsize - 1 ) downto 0 )
	the output pixel

Member Data Documentation

clk

clk out std_logic

Port

completely clocked process

clk_period_ns

clk_period_ns time := 2 ns

Generic

common

common

Library

config_const_pkg

config_const_pkg

Package

dut_delay

dut_delay integer := 1

Generic

Number of clk pulses of delay of a Device Under Test between input and output.

enable

enable out std_logic

Port

h_count

h_count out std_logic_vector ( h_count_size - 1 downto 0 ) := ( others = > ' 0 ' )

Port

h_count_size

h_count_size integer := integer ( ceil ( log2 ( real ( const_imagewidth ) ) ) )

Generic

ieee

ieee

Library

use standard library

image_io_pkg

image_io_pkg

Package

input_file

input_file string

Generic

math_real

math_real

Package

used only for calculation of constants

numeric_std

numeric_std

Package

needed for colorscheme calculations

output_file

output_file string

Generic

pixel_from_file

pixel_from_file out std_logic_vector ( ( wordsize - 1 ) downto 0 )

Port

the input pixel

pixel_to_file

pixel_to_file in std_logic_vector ( ( wordsize - 1 ) downto 0 )

Port

the output pixel

rst

rst out std_logic

Port

asynchronous reset

rst_after

rst_after time := 10 ns

Generic

rst_duration

rst_duration time := 10 ns

Generic

std_logic_1164

std_logic_1164

Package

use std_logic_vector

textio

textio

Package

used for writing and reading images

v_count

v_count out std_logic_vector ( v_count_size - 1 downto 0 ) := ( others = > ' 0 ' )

Port

v_count_size

v_count_size integer := integer ( ceil ( log2 ( real ( const_imageheight ) ) ) )

Generic

wordsize

wordsize integer

Generic

size of input pixel value in bits

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

• /home/ben/Programming/VHDL/realtimestagram/src/testbench_drivers/src/test_bench_driver.vhd