Informatica Industriale A.A. 2019/2020

Final project for "Informatica Industriale" course.

Traffic Light

Design and implement a digital system to manage the internals of a semaphore (with three lights: red, yellow and green).

The semaphore has three operational conditions:

Nominal: red light is on for 5 seconds, then green light is on for 5 seconds, then green and yellow lights are on for 2 seconds.
Standby: red and green lights are off, while the yellow light is blinking 1 second on and 2 seconds off.
Maintenance: all the lights are turned on. This mode allows to pick a standby operational mode behaviour:
- MOD0: the default operational condition explained above.
- MOD1: red and green alternate blinking for one second each, meanwhile yellow is off.
- MOD_AUTO: red and green alternate blinking for one second each, meanwhile yellow is off. After 10 seconds, the system switches automatically to the nominal operational mode.

VHDL code linting is performed with the vsg python tool.

To install it in a virtualenv execute the following commands, then refer to vsg's documentation for more in-depth usage:

virtualenv venv
./venv/scripts/activate
pip install -r requirements.txt
vsg -f ./semaphore.vhd --fix

Name		Name	Last commit message	Last commit date
Latest commit History 6 Commits
relazione		relazione
semaphore		semaphore
.gitignore		.gitignore
LICENSE		LICENSE
README.md		README.md
counter.vhd		counter.vhd
light_controller.vhd		light_controller.vhd
operational_mode_controller.vhd		operational_mode_controller.vhd
requirements.txt		requirements.txt
semaphore.vhd		semaphore.vhd
standby_mode_controller.vhd		standby_mode_controller.vhd
tb_counter.vhd		tb_counter.vhd
tb_light_controller.vhd		tb_light_controller.vhd
tb_light_controller_nominal.vhd		tb_light_controller_nominal.vhd
tb_light_controller_standby.vhd		tb_light_controller_standby.vhd
tb_operational_mode_controller.vhd		tb_operational_mode_controller.vhd
tb_semaphore.vhd		tb_semaphore.vhd
tb_semaphore_enable_reset.vhd		tb_semaphore_enable_reset.vhd
tb_semaphore_standby.vhd		tb_semaphore_standby.vhd
tb_standby_mode_controller.vhd		tb_standby_mode_controller.vhd