VHDL-verification
Package to ease directed testing of HDL entities
Generics | Ports | Libraries | Use Clauses
led_emu Entity Reference

Emulates on-board leds. More...

Detailed Description

Emulates on-board leds.

Checks for events on led_input port, and reports the current state of the leds each time any the input bit changes. Does not keep any internal memory, led_input is assumed to be directly connected to the leds.

Definition at line 20 of file led_emu.vhd.

Entities

led_emu_arch  architecture
 Architecture is based on just a single process. More...
 

Libraries

ieee 
 Use IEEE standard definitions library.

Use Clauses

std_logic_1164 
 Use std_logic* signal types.
vhdl_verification  Package <vhdl_verification>
 Use the slv2string function present in the vhdl_verification package.

Generics

ACTIVE_VALUE  std_logic := ' 0 '
 Led polarity.
NUM_LEDS  integer := 4
 How many leds are we emulating.

Ports

led_input   in std_logic_vector ( NUM_LEDS - 1 downto 0 )
 Connect here the signal that drives the leds.

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