Initial commit.

This commit is contained in:
Fabian Schlenz 2019-08-02 23:48:36 +02:00
commit 128d76cebc
13 changed files with 313 additions and 0 deletions

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.gitignore vendored Normal file
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.pio
.pioenvs
.piolibdeps

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.travis.yml Normal file
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# Continuous Integration (CI) is the practice, in software
# engineering, of merging all developer working copies with a shared mainline
# several times a day < https://docs.platformio.org/page/ci/index.html >
#
# Documentation:
#
# * Travis CI Embedded Builds with PlatformIO
# < https://docs.travis-ci.com/user/integration/platformio/ >
#
# * PlatformIO integration with Travis CI
# < https://docs.platformio.org/page/ci/travis.html >
#
# * User Guide for `platformio ci` command
# < https://docs.platformio.org/page/userguide/cmd_ci.html >
#
#
# Please choose one of the following templates (proposed below) and uncomment
# it (remove "# " before each line) or use own configuration according to the
# Travis CI documentation (see above).
#
#
# Template #1: General project. Test it using existing `platformio.ini`.
#
# language: python
# python:
# - "2.7"
#
# sudo: false
# cache:
# directories:
# - "~/.platformio"
#
# install:
# - pip install -U platformio
# - platformio update
#
# script:
# - platformio run
#
# Template #2: The project is intended to be used as a library with examples.
#
# language: python
# python:
# - "2.7"
#
# sudo: false
# cache:
# directories:
# - "~/.platformio"
#
# env:
# - PLATFORMIO_CI_SRC=path/to/test/file.c
# - PLATFORMIO_CI_SRC=examples/file.ino
# - PLATFORMIO_CI_SRC=path/to/test/directory
#
# install:
# - pip install -U platformio
# - platformio update
#
# script:
# - platformio ci --lib="." --board=ID_1 --board=ID_2 --board=ID_N

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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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#pragma once
#include "controller.h"
class Buttons {
private:
unsigned long _debounce_until = 0;
Controller* _controller;
void _debounce();
public:
Buttons(Controller* c) : _controller(c) {}
void setup();
void loop();
};

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#pragma once
#include <Arduino.h>
#define PIN_SD_CS D1
#define PIN_VS1053_CS D2
#define PIN_RC522_CS D3
#define PIN_BTN_VOL_UP D4
#define PIN_BTN_VOL_DOWN D5
#define PIN_BTN_TRACK_NEXT D6
#define PIN_BTN_TRACK_PREV D7
#define DEBOUNCE_MILLIS 100

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#pragma once
#include "player.h"
class Controller {
private:
Player* _player;
public:
Controller(Player* p) : _player(p) {}
void vol_up();
void vol_down();
void track_next();
void track_prev();
};

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#pragma once
class Player {
public:
void vol_up();
void vol_down();
void track_next();
void track_prev();
};

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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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; 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:esp12e]
platform = espressif8266
board = esp12e
framework = arduino

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#include <Arduino.h>
#include "buttons.h"
#include "config.h"
void Buttons::setup() {
pinMode(PIN_BTN_VOL_UP, INPUT);
pinMode(PIN_BTN_VOL_DOWN, INPUT);
pinMode(PIN_BTN_TRACK_NEXT, INPUT);
pinMode(PIN_BTN_TRACK_PREV, INPUT);
}
void Buttons::_debounce() {
unsigned long now = millis();
_debounce_until = now + DEBOUNCE_MILLIS;
if (_debounce_until < now) _debounce_until = now;
}
void Buttons::loop() {
bool vol_up = digitalRead(PIN_BTN_VOL_UP);
bool vol_down = digitalRead(PIN_BTN_VOL_DOWN);
bool track_next = digitalRead(PIN_BTN_TRACK_NEXT);
bool track_prev = digitalRead(PIN_BTN_TRACK_PREV);
if (_debounce_until > millis()) {
if (vol_up || vol_down || track_next || track_prev) {
_debounce();
}
return;
}
if (vol_up) {
_controller->vol_up();
} else if (vol_down) {
_controller->vol_down();
} else if (track_next) {
_controller->track_next();
} else if (track_prev) {
_controller->track_prev();
} else {
// If we reach this, no button was pressed and we are not debouncing -> do nothing.
return;
}
// If we reach this, some button was pressed. So enable debouncing.
_debounce();
}

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#include "controller.h"
void Controller::vol_up() {
_player->vol_up();
}
void Controller::vol_down() {
_player->vol_down();
}
void Controller::track_next() {
_player->track_next();
}
void Controller::track_prev() {
_player->track_prev();
}

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#include <Arduino.h>
#include "config.h"
#include "buttons.h"
#include "controller.h"
#include "player.h"
Buttons* buttons;
Controller* controller;
Player* player;
void setup() {
player = new Player();
controller = new Controller(player);
buttons = new Buttons(controller);
}
void loop() {
}

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This directory is intended for PIO 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 PIO Unit Testing:
- https://docs.platformio.org/page/plus/unit-testing.html