Add traffic lights

This commit is contained in:
Gabriel Augendre 2021-04-27 15:29:06 +02:00
commit 6a74634cbc
14 changed files with 263 additions and 0 deletions

3
traffic_lights/.gitignore vendored Normal file
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.pio
CMakeListsPrivate.txt
cmake-build-*/

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traffic_lights/.idea/.gitignore vendored Normal file
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# Default ignored files
/shelf/
/workspace.xml
# Datasource local storage ignored files
/dataSources/
/dataSources.local.xml
# Editor-based HTTP Client requests
/httpRequests/

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="CMakeWorkspace" PROJECT_DIR="$PROJECT_DIR$" />
<component name="CidrRootsConfiguration">
<excludeRoots>
<file path="$PROJECT_DIR$/.pio" />
<file path="$PROJECT_DIR$/cmake-build-debug" />
</excludeRoots>
</component>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectModuleManager">
<modules>
<module fileurl="file://$PROJECT_DIR$/.idea/traffic_lights.iml" filepath="$PROJECT_DIR$/.idea/traffic_lights.iml" />
</modules>
</component>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<module classpath="CMake" type="CPP_MODULE" version="4" />

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="$PROJECT_DIR$/.." vcs="Git" />
</component>
</project>

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# !!! WARNING !!! AUTO-GENERATED FILE, PLEASE DO NOT MODIFY IT AND USE
# https://docs.platformio.org/page/projectconf/section_env_build.html#build-flags
#
# If you need to override existing CMake configuration or add extra,
# please create `CMakeListsUser.txt` in the root of project.
# The `CMakeListsUser.txt` will not be overwritten by PlatformIO.
cmake_minimum_required(VERSION 3.13)
set(CMAKE_SYSTEM_NAME Generic)
set(CMAKE_C_COMPILER_WORKS 1)
set(CMAKE_CXX_COMPILER_WORKS 1)
project("traffic_lights" C CXX)
include(CMakeListsPrivate.txt)
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/CMakeListsUser.txt)
include(CMakeListsUser.txt)
endif()
add_custom_target(
Production ALL
COMMAND platformio -c clion run "$<$<NOT:$<CONFIG:All>>:-e${CMAKE_BUILD_TYPE}>"
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
)
add_custom_target(
Debug ALL
COMMAND platformio -c clion run --target debug "$<$<NOT:$<CONFIG:All>>:-e${CMAKE_BUILD_TYPE}>"
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
)
add_executable(Z_DUMMY_TARGET ${SRC_LIST})

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This directory is intended for project header files.
A header file is a file containing C declarations and macro definitions
to be shared between several project source files. You request the use of a
header file in your project source file (C, C++, etc) located in `src` folder
by including it, with the C preprocessing directive `#include'.
```src/main.c
#include "header.h"
int main (void)
{
...
}
```
Including a header file produces the same results as copying the header file
into each source file that needs it. Such copying would be time-consuming
and error-prone. With a header file, the related declarations appear
in only one place. If they need to be changed, they can be changed in one
place, and programs that include the header file will automatically use the
new version when next recompiled. The header file eliminates the labor of
finding and changing all the copies as well as the risk that a failure to
find one copy will result in inconsistencies within a program.
In C, the usual convention is to give header files names that end with `.h'.
It is most portable to use only letters, digits, dashes, and underscores in
header file names, and at most one dot.
Read more about using header files in official GCC documentation:
* Include Syntax
* Include Operation
* Once-Only Headers
* Computed Includes
https://gcc.gnu.org/onlinedocs/cpp/Header-Files.html

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//
// Created by Gabriel Augendre on 27/04/2021.
//
#ifndef TOY_PROJECTS_LIB_H
#define TOY_PROJECTS_LIB_H
#define GREEN 2
#define YELLOW 3
#define RED 4
#define BUZZER 5
#define BUTTON 6
#define BUZZ_DURATION 100
#define BUZZ_FREQUENCY 440
/**
* Block until the button is pressed.
*/
void waitForButton();
/**
* Make the buzzer beep n times.
* @param n number of times the buzzer should beep.
*/
void beep(int n);
/**
* Make the buzzer beep once.
* See `beep(int)` for more control.
*/
void beep();
#endif //TOY_PROJECTS_LIB_H

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traffic_lights/lib/README Normal file
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This directory is intended for project specific (private) libraries.
PlatformIO will compile them to static libraries and link into executable file.
The source code of each library should be placed in a an own separate directory
("lib/your_library_name/[here are source files]").
For example, see a structure of the following two libraries `Foo` and `Bar`:
|--lib
| |
| |--Bar
| | |--docs
| | |--examples
| | |--src
| | |- Bar.c
| | |- Bar.h
| | |- library.json (optional, custom build options, etc) https://docs.platformio.org/page/librarymanager/config.html
| |
| |--Foo
| | |- Foo.c
| | |- Foo.h
| |
| |- README --> THIS FILE
|
|- platformio.ini
|--src
|- main.c
and a contents of `src/main.c`:
```
#include <Foo.h>
#include <Bar.h>
int main (void)
{
...
}
```
PlatformIO Library Dependency Finder will find automatically dependent
libraries scanning project source files.
More information about PlatformIO Library Dependency Finder
- https://docs.platformio.org/page/librarymanager/ldf.html

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//
// Created by Gabriel Augendre on 27/04/2021.
//
#include "lib.h"
void waitForButton() {
while (digitalRead(BUTTON) == HIGH) {}
}
void beep(int n) {
for (int i = 0; i < n; i++) {
tone(BUZZER, BUZZ_FREQUENCY, BUZZ_DURATION);
delay(BUZZ_DURATION * 2);
}
}
void beep() {
beep(1);
}

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; PlatformIO Project Configuration File
;
; Build options: build flags, source filter
; Upload options: custom upload port, speed and extra flags
; Library options: dependencies, extra library storages
; Advanced options: extra scripting
;
; Please visit documentation for the other options and examples
; https://docs.platformio.org/page/projectconf.html
[env:uno]
platform = atmelavr
board = uno
framework = arduino

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#include <Arduino.h>
#include "lib.h"
void setup() {
pinMode(GREEN, OUTPUT);
pinMode(YELLOW, OUTPUT);
pinMode(RED, OUTPUT);
pinMode(BUZZER, OUTPUT);
// assumes the button connects to GND when pressed
pinMode(BUTTON, INPUT_PULLUP);
}
void loop() {
digitalWrite(RED, LOW);
digitalWrite(YELLOW, LOW);
digitalWrite(GREEN, HIGH);
waitForButton();
beep();
delay(1000);
digitalWrite(GREEN, LOW);
digitalWrite(YELLOW, HIGH);
delay(3000);
digitalWrite(YELLOW, LOW);
digitalWrite(RED, HIGH);
beep(2);
delay(5000);
beep(3);
delay(2000);
digitalWrite(YELLOW, HIGH);
}

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This directory is intended for PlatformIO Unit Testing and project tests.
Unit Testing is a software testing method by which individual units of
source code, sets of one or more MCU program modules together with associated
control data, usage procedures, and operating procedures, are tested to
determine whether they are fit for use. Unit testing finds problems early
in the development cycle.
More information about PlatformIO Unit Testing:
- https://docs.platformio.org/page/plus/unit-testing.html