Add morse code, auto-shutoff
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// Please read Bounce2.h for information about the liscence and authors
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#include "bounce2.h"
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Bounce::Bounce()
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: previous_millis(0)
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, interval_millis(10)
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, state(0)
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, pin(0)
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{}
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void Bounce::attach(int pin) {
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this->pin = pin;
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state = 0;
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if (readCurrentState()) {
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setStateFlag(DEBOUNCED_STATE | UNSTABLE_STATE);
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}
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#ifdef BOUNCE_LOCK_OUT
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previous_millis = 0;
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#else
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previous_millis = millis();
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#endif
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}
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void Bounce::attach(int pin, int mode){
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setPinMode(pin, mode);
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this->attach(pin);
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}
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void Bounce::interval(uint16_t interval_millis)
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{
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this->interval_millis = interval_millis;
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}
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bool Bounce::update()
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{
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unsetStateFlag(CHANGED_STATE);
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#ifdef BOUNCE_LOCK_OUT
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// Ignore everything if we are locked out
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if (millis() - previous_millis >= interval_millis) {
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bool currentState = readCurrentState();
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if ( currentState != getStateFlag(DEBOUNCED_STATE) ) {
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previous_millis = millis();
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changeState();
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}
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}
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#elif defined BOUNCE_WITH_PROMPT_DETECTION
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// Read the state of the switch port into a temporary variable.
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bool readState = readCurrentState();
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if ( readState != getStateFlag(DEBOUNCED_STATE) ) {
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// We have seen a change from the current button state.
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if ( millis() - previous_millis >= interval_millis ) {
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// We have passed the time threshold, so a new change of state is allowed.
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// set the STATE_CHANGED flag and the new DEBOUNCED_STATE.
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// This will be prompt as long as there has been greater than interval_misllis ms since last change of input.
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// Otherwise debounced state will not change again until bouncing is stable for the timeout period.
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changeState();
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}
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}
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// If the readState is different from previous readState, reset the debounce timer - as input is still unstable
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// and we want to prevent new button state changes until the previous one has remained stable for the timeout.
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if ( readState != getStateFlag(UNSTABLE_STATE) ) {
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// Update Unstable Bit to macth readState
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toggleStateFlag(UNSTABLE_STATE);
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previous_millis = millis();
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}
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#else
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// Read the state of the switch in a temporary variable.
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bool currentState = readCurrentState();
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// If the reading is different from last reading, reset the debounce counter
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if ( currentState != getStateFlag(UNSTABLE_STATE) ) {
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previous_millis = millis();
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toggleStateFlag(UNSTABLE_STATE);
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} else
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if ( millis() - previous_millis >= interval_millis ) {
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// We have passed the threshold time, so the input is now stable
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// If it is different from last state, set the STATE_CHANGED flag
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if (currentState != getStateFlag(DEBOUNCED_STATE) ) {
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previous_millis = millis();
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changeState();
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}
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}
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#endif
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return changed();
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}
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// WIP HELD
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unsigned long Bounce::previousDuration() {
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return durationOfPreviousState;
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}
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unsigned long Bounce::duration() {
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return (millis() - stateChangeLastTime);
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}
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inline void Bounce::changeState() {
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toggleStateFlag(DEBOUNCED_STATE);
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setStateFlag(CHANGED_STATE) ;
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durationOfPreviousState = millis() - stateChangeLastTime;
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stateChangeLastTime = millis();
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}
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bool Bounce::read()
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{
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return getStateFlag(DEBOUNCED_STATE);
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}
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bool Bounce::rose()
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{
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return getStateFlag(DEBOUNCED_STATE) && getStateFlag(CHANGED_STATE);
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}
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bool Bounce::fell()
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{
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return !getStateFlag(DEBOUNCED_STATE) && getStateFlag(CHANGED_STATE);
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}
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@ -0,0 +1,222 @@
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/*
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The MIT License (MIT)
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Copyright (c) 2013 thomasfredericks
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * *
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Main code by Thomas O Fredericks (tof@t-o-f.info)
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Previous contributions by Eric Lowry, Jim Schimpf and Tom Harkaway
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/**
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* @todo Make Bounce2 more abstract. Split it from the hardware layer.
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* @body Remove deboucing code from Bounce2 and make a new Debounce class from that code.
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* Bounce2 should extend Debounce.
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*/
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#ifndef Bounce2_h
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#define Bounce2_h
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#if defined(ARDUINO) && ARDUINO >= 100
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#include "Arduino.h"
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#else
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#include "WProgram.h"
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#endif
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// Uncomment the following line for "LOCK-OUT" debounce method
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//#define BOUNCE_LOCK_OUT
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// Uncomment the following line for "BOUNCE_WITH_PROMPT_DETECTION" debounce method
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//#define BOUNCE_WITH_PROMPT_DETECTION
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#include <inttypes.h>
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/**
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@example bounce.ino
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Simple example of the Bounce library that switches the debug LED when a button is pressed.
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*/
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/**
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@example change.ino
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This example toggles the debug LED (pin 13) on or off when a button on pin 2 is pressed.
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*/
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/**
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@example bounce_multiple.ino
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Detect the falling edge of multiple buttons. Eight buttons with internal pullups. Toggles a
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LED when any button is pressed. Buttons on pins 2,3,4,5,6,7,8,9
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*/
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/**
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@example bounce2buttons.ino
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Example of two instances of the Bounce class that switches the debug LED when either one of
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the two buttons is pressed.
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*/
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static const uint8_t DEBOUNCED_STATE = 0b00000001;
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static const uint8_t UNSTABLE_STATE = 0b00000010;
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static const uint8_t CHANGED_STATE = 0b00000100;
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/**
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The Bounce class.
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*/
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class Bounce
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{
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public:
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/*!
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@brief Create an instance of the Bounce class.
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@code
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// Create an instance of the Bounce class.
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Bounce() button;
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@endcode
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*/
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Bounce();
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/*!
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@brief Attach to a pin and sets that pin's mode (INPUT, INPUT_PULLUP or OUTPUT).
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@param pin
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The pin that is to be debounced.
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@param mode
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A valid Arduino pin mode (INPUT, INPUT_PULLUP or OUTPUT).
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*/
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void attach(int pin, int mode);
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/**
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Attach to a pin for advanced users. Only attach the pin this way once you have previously
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set it up. Otherwise use attach(int pin, int mode).
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*/
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void attach(int pin);
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/**
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@brief Sets the debounce interval in milliseconds.
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@param interval_millis
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The interval time in milliseconds.
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*/
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void interval(uint16_t interval_millis);
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/*!
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@brief Updates the pin's state.
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Because Bounce does not use interrupts, you have to "update" the object before reading its
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value and it has to be done as often as possible (that means to include it in your loop()).
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Only call update() once per loop().
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@return True if the pin changed state.
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*/
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bool update();
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/**
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@brief Returns the pin's state (HIGH or LOW).
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@return HIGH or LOW.
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*/
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bool read();
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/**
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@brief Returns true if pin signal transitions from high to low.
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*/
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bool fell();
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/**
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@brief Returns true if pin signal transitions from low to high.
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*/
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bool rose();
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/**
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@brief Deprecated (i.e. do not use). Included for partial compatibility for programs written
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with Bounce version 1
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*/
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bool risingEdge() { return rose(); }
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/**
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@brief Deprecated (i.e. do not use). Included for partial compatibility for programs written
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with Bounce version 1
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*/
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bool fallingEdge() { return fell(); }
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/**
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@brief Deprecated (i.e. do not use). Included for partial compatibility for programs written
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with Bounce version 1
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*/
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Bounce(uint8_t pin, unsigned long interval_millis ) : Bounce() {
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attach(pin);
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interval(interval_millis);
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}
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/**
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@brief Returns the duration in milliseconds of the current state.
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Is reset to 0 once the pin rises ( rose() ) or falls ( fell() ).
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@return The duration in milliseconds (unsigned long) of the current state.
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*/
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unsigned long duration();
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/**
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@brief Returns the duration in milliseconds of the previous state.
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Takes the values of duration() once the pin changes state.
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@return The duration in milliseconds (unsigned long) of the previous state.
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*/
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unsigned long previousDuration();
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protected:
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unsigned long previous_millis;
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uint16_t interval_millis;
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uint8_t state;
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uint8_t pin;
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unsigned long stateChangeLastTime;
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unsigned long durationOfPreviousState;
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virtual bool readCurrentState() { return digitalRead(pin); }
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virtual void setPinMode(int pin, int mode) {
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#if defined(ARDUINO_ARCH_STM32F1)
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pinMode(pin, (WiringPinMode)mode);
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#else
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pinMode(pin, mode);
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#endif
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}
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private:
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inline void changeState();
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inline void setStateFlag(const uint8_t flag) {state |= flag;}
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inline void unsetStateFlag(const uint8_t flag) {state &= ~flag;}
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inline void toggleStateFlag(const uint8_t flag) {state ^= flag;}
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inline bool getStateFlag(const uint8_t flag) {return((state & flag) != 0);}
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public:
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bool changed( ) { return getStateFlag(CHANGED_STATE); }
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};
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#endif
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@ -1,102 +1,173 @@
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#include <Adafruit_NeoPixel.h>
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#ifdef __AVR__
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#include <avr/power.h>
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#endif
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#include <EEPROM.h>
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#include "bounce2.h"
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#include "morse.h"
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// Do you want it to run forever, or cycle every 24 hours?
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#define FOREVER false
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// Which pin your LED strip is connected to
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#ifdef Attiny85
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# define PIN 3
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#else
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# define PIN 6
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#endif
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#define NEOPIXEL_PIN 6
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// Which pin to pull to go full white. Comment to disable this feature.
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#define WHITE_PIN 4
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// Order of the lights you got
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// Which pin has the momentary switch to toggle full white.
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#define BUTTON_PIN 4
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// How many LEDs you have. It's okay if this is too big.
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#ifdef Attiny85
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# define NUM_LEDS 80
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#else
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# define NUM_LEDS 200
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#endif
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#define LEDS_PER_GROUP 10
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#define NUM_GROUPS 20
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// How many milliseconds between activity in one group
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#define DELAY_MS 600
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// What percentage chance a chosen light has of being on
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#define ACTIVITY 50
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#define ACTIVITY 40
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// Debug LED
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#define LED_PIN 1
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// Which pixel to flash messages in morse code: -1 = disable
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#define MORSE_PIXEL 8
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#define MORSE_COLOR 0x880000
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// How long a dit lasts
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#define DIT_DURATION_MS 100
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Adafruit_NeoPixel strip = Adafruit_NeoPixel(NUM_LEDS, PIN, NEO_RGB | NEO_KHZ800);
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// Color for all-white mode
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#define WHITE 0x886655
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// The Neopixel library masks interrupts while writing.
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// This means you lose time.
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// How much time do you lose?
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// I'm guessing 10 minutes a day.
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#define SNOSSLOSS (10 * 60 * 1000)
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#define DAY (24 * 60 * 60 * 1000 - SNOSSLOSS)
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#define ON_FOR (5 * 60 * 60 * 1000)
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const char *messages[] = {
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"happy holiday ARK",
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"seasons greetings ARK",
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"happy festivus ARK",
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"merry christmas ARK",
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"hanukkah sameach ARK",
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"happy solstice ARK",
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"happy new year ARK",
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};
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const int nmessages = sizeof(messages) / sizeof(*messages);
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// These colors mirror pretty closely some cheapo LED lights we have
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const uint32_t colors[] = {
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0xdd4400, // Yellow
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0xff0000, // Red
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0xdd2200, // Amber
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0x004400, // Green
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0xdd4400, // Yellow
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0xdd4400, // Yellow
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0xff0000, // Red
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0xdd2200, // Amber
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0xdd2200, // Amber
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0x0000ff, // Red
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0x880044, // Purple
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0xdd4400, // Yellow
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0xff0000, // Red
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0xdd2200, // Amber
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0x000088, // Blue
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};
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const int ncolors = sizeof(colors) / sizeof(*colors);
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Adafruit_NeoPixel strip = Adafruit_NeoPixel(NUM_GROUPS * LEDS_PER_GROUP, NEOPIXEL_PIN, NEO_RGB | NEO_KHZ800);
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Bounce button;
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int mode;
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int nextMode;
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void setup() {
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strip.begin();
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strip.show();
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#ifdef WHITE_PIN
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pinMode(WHITE_PIN, INPUT_PULLUP);
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#endif
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#ifdef LED_PIN
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pinMode(LED_PIN, OUTPUT);
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#endif
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button.attach(BUTTON_PIN, INPUT_PULLUP);
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pinMode(LED_BUILTIN, OUTPUT);
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mode = EEPROM.read(0);
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}
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void loop_color() {
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for (int i = 0; i < NUM_LEDS/12; i += 1) {
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int pos = random(NUM_LEDS);
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bool strandUpdate(bool white) {
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static unsigned long nextEventMillis = 0;
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unsigned long now = millis();
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static int group = 0;
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if (now < nextEventMillis) {
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return false;
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}
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int pos = (group * LEDS_PER_GROUP) + random(LEDS_PER_GROUP);
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if (random(100) < ACTIVITY) {
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int color = random(ncolors);
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strip.setPixelColor(pos, colors[color]);
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uint32_t color;
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if (white) {
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color = WHITE;
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} else {
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color = colors[random(ncolors)];
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}
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strip.setPixelColor(pos, color);
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} else {
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strip.setPixelColor(pos, 0);
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}
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}
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strip.show();
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delay(240);
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group = (group + 1) % NUM_GROUPS;
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nextEventMillis = now + (DELAY_MS / NUM_GROUPS);
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return true;
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}
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void loop_white() {
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for (int i = 0; i < NUM_LEDS/12; i += 1) {
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int pos = random(NUM_LEDS);
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if (random(100) < 5) {
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strip.setPixelColor(pos, 0x0);
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} else {
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strip.setPixelColor(pos, 0x99ffaa);
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bool morseUpdate() {
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static MorseEncoder enc;
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static unsigned long nextEventMillis = 0;
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unsigned long now = millis();
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bool ret = false;
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if (now >= nextEventMillis) {
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nextEventMillis = now + DIT_DURATION_MS;
|
||||
if (!enc.Tick()) {
|
||||
char *message = messages[random(nmessages)];
|
||||
enc.SetText(message);
|
||||
enc.Quiet(200);
|
||||
}
|
||||
ret = true;
|
||||
}
|
||||
strip.show();
|
||||
delay(24);
|
||||
strip.setPixelColor(MORSE_PIXEL, enc.Transmitting ? MORSE_COLOR : 0);
|
||||
return ret;
|
||||
}
|
||||
|
||||
bool black() {
|
||||
static unsigned long nextEventMillis = 0;
|
||||
unsigned long now = millis();
|
||||
|
||||
if (now < nextEventMillis) {
|
||||
return false;
|
||||
}
|
||||
|
||||
strip.clear();
|
||||
|
||||
nextEventMillis = now + (DELAY_MS / NUM_GROUPS); // Keep timing consistent
|
||||
return true;
|
||||
}
|
||||
|
||||
void loop() {
|
||||
#ifdef WHITE_PIN
|
||||
if (! digitalRead(WHITE_PIN)) {
|
||||
loop_white();
|
||||
} else {
|
||||
#else
|
||||
{
|
||||
#endif
|
||||
loop_color();
|
||||
static bool white = false;
|
||||
bool update = false;
|
||||
|
||||
button.update();
|
||||
if (button.fell()) {
|
||||
white = !white;
|
||||
}
|
||||
|
||||
#ifdef LED_PIN
|
||||
static bool led = true;
|
||||
digitalWrite(LED_PIN, led);
|
||||
led = !led;
|
||||
#endif
|
||||
if (forever || white || (millis() % DAY < ON_FOR)) {
|
||||
update |= strandUpdate(white);
|
||||
update |= morseUpdate();
|
||||
} else {
|
||||
update |= black();
|
||||
}
|
||||
|
||||
if (update) {
|
||||
strip.show();
|
||||
}
|
||||
|
||||
// blink the heart for a little bit
|
||||
if (millis() < 30 * 1000) {
|
||||
bool on = (millis() % 1000) < 500;
|
||||
digitalWrite(LED_BUILTIN, on);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,120 @@
|
|||
#include "morse.h"
|
||||
|
||||
// Each morse dit/dah is stored as a nybble
|
||||
|
||||
#define dit 1
|
||||
#define dah 3
|
||||
|
||||
#define Pack(a, b, c, d) ((a << 0) | (b << 2) | (c << 4) | (d << 6))
|
||||
#define Unpack(m, pos) ((m >> (pos * 2)) & 0b11)
|
||||
|
||||
const uint8_t MorseLetters[] = {
|
||||
Pack(dit, dah, 0, 0), // A
|
||||
Pack(dah, dit, dit, dit), // B
|
||||
Pack(dah, dit, dah, dit), // C
|
||||
Pack(dah, dit, dit, 0), // D
|
||||
Pack(dit, 0, 0, 0), // E
|
||||
Pack(dit, dit, dah, dit), // F
|
||||
Pack(dah, dah, dit, 0), // G
|
||||
Pack(dit, dit, dit, dit), // H
|
||||
Pack(dit, dit, 0, 0), // I
|
||||
Pack(dit, dah, dah, dah), // J
|
||||
Pack(dah, dit, dah, 0), // K
|
||||
Pack(dit, dah, dit, dit), // L
|
||||
Pack(dah, dah, 0, 0), // M
|
||||
Pack(dah, dit, 0, 0), // N
|
||||
Pack(dah, dah, dah, 0), // O
|
||||
Pack(dit, dah, dah, dit), // P
|
||||
Pack(dah, dah, dit, dah), // Q
|
||||
Pack(dit, dah, dit, 0), // R
|
||||
Pack(dit, dit, dit, 0), // S
|
||||
Pack(dah, 0, 0, 0), // T
|
||||
Pack(dit, dit, dah, 0), // U
|
||||
Pack(dit, dit, dit, dah), // V
|
||||
Pack(dit, dah, dah, 0), // W
|
||||
Pack(dah, dit, dit, dah), // X
|
||||
Pack(dah, dit, dah, dah), // Y
|
||||
Pack(dah, dah, dit, dit), // Z
|
||||
};
|
||||
|
||||
MorseEncoder::MorseEncoder() {
|
||||
SetText("");
|
||||
}
|
||||
MorseEncoder::MorseEncoder(const char *s) {
|
||||
SetText(s);
|
||||
}
|
||||
|
||||
void MorseEncoder::SetText(const char *s) {
|
||||
p = s;
|
||||
crumb = 0;
|
||||
ticksLeft = 0;
|
||||
Transmitting = false;
|
||||
}
|
||||
|
||||
void MorseEncoder::Quiet(int ticks) {
|
||||
Transmitting = false;
|
||||
ticksLeft = ticks;
|
||||
}
|
||||
|
||||
bool MorseEncoder::Tick() {
|
||||
--ticksLeft;
|
||||
if (ticksLeft > 0) {
|
||||
return true;
|
||||
}
|
||||
|
||||
// We're out of ticks
|
||||
|
||||
if (!p || !*p) {
|
||||
return false;
|
||||
}
|
||||
|
||||
// If we were just transmitting, we have to stop for at least one dit
|
||||
if (Transmitting) {
|
||||
Transmitting = false;
|
||||
ticksLeft = MORSE_DIT;
|
||||
return true;
|
||||
}
|
||||
|
||||
// If that was the end of the letter, we have to pause more
|
||||
if (crumb == 4) {
|
||||
crumb = 0;
|
||||
++p;
|
||||
ticksLeft = MORSE_PAUSE_LETTER - MORSE_DIT;
|
||||
return true;
|
||||
}
|
||||
|
||||
switch (*p) {
|
||||
case '\0':
|
||||
return false;
|
||||
case 'a' ... 'z':
|
||||
Transmitting = true;
|
||||
ticksLeft = Unpack(MorseLetters[*p - 'a'], crumb++);
|
||||
break;
|
||||
case 'A' ... 'Z':
|
||||
Transmitting = true;
|
||||
ticksLeft = Unpack(MorseLetters[*p - 'A'], crumb++);
|
||||
break;
|
||||
case ' ':
|
||||
crumb = 0;
|
||||
++p;
|
||||
Transmitting = false;
|
||||
ticksLeft = MORSE_PAUSE_WORD - MORSE_DIT;
|
||||
break;
|
||||
default: // this should never happen! Transmit for a word pause to indicate weirdness.
|
||||
crumb = 0;
|
||||
++p;
|
||||
Transmitting = true;
|
||||
ticksLeft = MORSE_PAUSE_WORD;
|
||||
break;
|
||||
}
|
||||
if (0 == ticksLeft) {
|
||||
// Unpack can return 0 if there are fewer than 4 emissions for a letter.
|
||||
// In that case, we 're done with the letter.
|
||||
crumb = 0;
|
||||
++p;
|
||||
Transmitting = false;
|
||||
ticksLeft = MORSE_PAUSE_LETTER - MORSE_DIT;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
|
@ -0,0 +1,40 @@
|
|||
#pragma once
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
#define MORSE_DIT 1
|
||||
#define MORSE_DAH 3
|
||||
#define MORSE_PAUSE_LETTER 3
|
||||
#define MORSE_PAUSE_WORD 6
|
||||
|
||||
class MorseEncoder {
|
||||
public:
|
||||
MorseEncoder();
|
||||
MorseEncoder(const char *s);
|
||||
|
||||
/** SetText resets state with new text.
|
||||
*/
|
||||
void SetText(const char *s);
|
||||
|
||||
/** Tick tells the encoder that a dit has elapsed.
|
||||
*
|
||||
* Returns true if there's data left to transmit.
|
||||
* If it returns false, you need to feed it more data.
|
||||
*
|
||||
* You should call this every time your dit duration ends.
|
||||
*/
|
||||
bool Tick();
|
||||
|
||||
/** Quiet stops transmitting for this many ticks.
|
||||
*/
|
||||
void Quiet(int ticks);
|
||||
|
||||
/** Transmitting is true if you should be transmitting right now.
|
||||
*/
|
||||
bool Transmitting;
|
||||
|
||||
private:
|
||||
const char *p;
|
||||
uint8_t crumb;
|
||||
int ticksLeft;
|
||||
};
|
||||
|
|
@ -0,0 +1,16 @@
|
|||
#include <stdio.h>
|
||||
#include "morse.h"
|
||||
|
||||
// gcc -D test_main=main -o test morse.cpp test.cpp && ./test
|
||||
|
||||
int test_main(int argc, char *argv[]) {
|
||||
MorseEncoder enc = MorseEncoder("SOS ck ck ark");
|
||||
while (enc.Tick()) {
|
||||
if (enc.Transmitting) {
|
||||
printf("#");
|
||||
} else {
|
||||
printf(" ");
|
||||
}
|
||||
}
|
||||
printf("\n");
|
||||
}
|
||||
Loading…
Reference in New Issue