Scott Lahteine
9 years ago
committed by
GitHub
GitHub
16 changed files with 448 additions and 133 deletions
@ -1,57 +0,0 @@ |
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/**
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* Marlin 3D Printer Firmware |
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* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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* |
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* Based on Sprinter and grbl. |
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* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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* |
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*/ |
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#include "Marlin.h" |
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#if HAS_BUZZER |
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#include "buzzer.h" |
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#include "ultralcd.h" |
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void buzz(long duration, uint16_t freq) { |
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if (freq > 0) { |
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#if ENABLED(LCD_USE_I2C_BUZZER) |
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lcd_buzz(duration, freq); |
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#elif PIN_EXISTS(BEEPER) // on-board buzzers have no further condition
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SET_OUTPUT(BEEPER_PIN); |
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#if ENABLED(SPEAKER) // a speaker needs a AC ore a pulsed DC
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//tone(BEEPER_PIN, freq, duration); // needs a PWMable pin
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unsigned int delay = 1000000 / freq / 2; |
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int i = duration * freq / 1000; |
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while (i--) { |
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WRITE(BEEPER_PIN, HIGH); |
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delayMicroseconds(delay); |
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WRITE(BEEPER_PIN, LOW); |
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delayMicroseconds(delay); |
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} |
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#else // buzzer has its own resonator - needs a DC
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WRITE(BEEPER_PIN, HIGH); |
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delay(duration); |
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WRITE(BEEPER_PIN, LOW); |
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#endif |
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#else |
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delay(duration); |
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#endif |
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} |
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else { |
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delay(duration); |
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} |
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} |
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#endif |
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@ -0,0 +1,146 @@ |
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/**
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* Marlin 3D Printer Firmware |
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* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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* |
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* Based on Sprinter and grbl. |
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* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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* |
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*/ |
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#ifndef __CIRCULARQUEUE_H__ |
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#define __CIRCULARQUEUE_H__ |
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#include <Arduino.h> |
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/**
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* @brief Circular Queue class |
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* @details Implementation of the classic ring buffer data structure |
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*/ |
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template<typename T, int N> |
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class CircularQueue { |
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private: |
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/**
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* @brief Buffer structure |
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* @details This structure consolidates all the overhead required to handle |
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* a circular queue such as the pointers and the buffer vector. |
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*/ |
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struct buffer_t { |
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uint8_t head; |
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uint8_t tail; |
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uint8_t size; |
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uint8_t length; |
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T queue[N]; |
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} buffer; |
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public: |
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/**
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* @brief Class constructor |
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* @details This class requires two template parameters, T defines the type |
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* of the items this queue will handle and N defines the maximum number of |
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* items that can be stored on the queue. |
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*/ |
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CircularQueue<T, N>() { |
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this->buffer.length = N; |
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this->buffer.size = this->buffer.head = this->buffer.tail = 0; |
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} |
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/**
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* @brief Removes and returns a item from the queue |
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* @details Removes the oldest item on the queue which is pointed by the |
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* buffer_t head variable, this item is then returned to the caller. |
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* @return type T item |
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*/ |
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T dequeue() { |
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if (this->isEmpty()) return T(); |
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T const item = this->buffer.queue[this->buffer.head++]; |
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--this->buffer.size; |
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if (this->buffer.head == this->buffer.length) |
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this->buffer.head = 0; |
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return item; |
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} |
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/**
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* @brief Adds an item to the queue |
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* @details Adds a item to the queue on the location pointed by the buffer_t |
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* tail vairable, will return false if there is no queue space available. |
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* |
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* @param item Item to be added to the queue |
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* @return true if the operation was successfull |
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*/ |
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bool enqueue(T const &item) { |
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if (this->isFull()) return false; |
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this->buffer.queue[this->buffer.tail++] = item; |
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++this->buffer.size; |
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if (this->buffer.tail == this->buffer.length) |
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this->buffer.tail = 0; |
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return true; |
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} |
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/**
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* @brief Checks if the queue has no items |
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* @details Returns true if there are no items on the queue, false otherwise. |
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* @return true if queue is empty |
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*/ |
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bool isEmpty() { |
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return this->buffer.size == 0; |
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} |
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/**
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* @brief Checks if the queue is full |
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* @details Returns true if the queue is full, false otherwise. |
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* @return true if queue is full |
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*/ |
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bool isFull() { |
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return this->buffer.size == this->buffer.length; |
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} |
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/**
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* @brief Gets the queue size |
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* @details Returns the maximum number of items a queue can have. |
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* @return the queue lenght |
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*/ |
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uint8_t length() { |
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return this->buffer.length; |
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} |
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/**
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* @brief Gets the next item from the queue without removing it |
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* @details Returns the next item on the queue but the item is not removed |
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* from the queue nor the pointers updated. |
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* @return the queue size |
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*/ |
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uint8_t peek() { |
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return this->buffer.queue[this->buffer.head]; |
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} |
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/**
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* @brief Gets the number of items on the queue |
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* @details Returns the current number of items stored on the queue. |
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* @return type T item |
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*/ |
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uint8_t size() { |
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return this->buffer.size; |
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} |
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}; |
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#endif |
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@ -0,0 +1,92 @@ |
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/**
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* Marlin 3D Printer Firmware |
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* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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* |
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* Based on Sprinter and grbl. |
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* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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* |
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*/ |
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#ifndef __SPEAKER_H__ |
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#define __SPEAKER_H__ |
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#include "buzzer.h" |
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class Speaker: public Buzzer { |
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private: |
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typedef Buzzer super; |
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struct state_t { |
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tone_t tone; |
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uint16_t period; |
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uint16_t cycles; |
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} state; |
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protected: |
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/**
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* @brief Resets the state of the class |
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* @details Brings the class state to a known one. |
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*/ |
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void reset() { |
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super::reset(); |
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this->state.period = 0; |
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this->state.cycles = 0; |
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} |
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public: |
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/**
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* @brief Class constructor |
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*/ |
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Speaker() { |
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this->reset(); |
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} |
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/**
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* @brief Loop function |
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* @details This function should be called at loop, it will take care of |
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* playing the tones in the queue. |
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*/ |
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virtual void tick() { |
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if (!this->state.cycles) { |
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if (this->buffer.isEmpty()) return; |
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this->reset(); |
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this->state.tone = this->buffer.dequeue(); |
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// Period is uint16, min frequency will be ~16Hz
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this->state.period = 1000000UL / this->state.tone.frequency; |
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this->state.cycles = |
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(this->state.tone.duration * 1000L) / this->state.period; |
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this->state.period >>= 1; |
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this->state.cycles <<= 1; |
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} |
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else { |
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uint32_t const us = micros(); |
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static uint32_t next = us + this->state.period; |
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if (us >= next) { |
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--this->state.cycles; |
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next = us + this->state.period; |
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if (this->state.tone.frequency > 0) this->invert(); |
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} |
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} |
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} |
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}; |
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#endif |
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