84 lines
2.1 KiB
C++
84 lines
2.1 KiB
C++
/**
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* Marlin 3D Printer Firmware
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* Copyright (C) 2019 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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#pragma once
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#include "../../inc/MarlinConfig.h"
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#include "Stream.h"
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#ifndef RX_BUFFER_SIZE
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#define RX_BUFFER_SIZE 128
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#endif
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#ifndef TX_BUFFER_SIZE
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#define TX_BUFFER_SIZE 32
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#endif
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#if TX_BUFFER_SIZE <= 0
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#error "TX_BUFFER_SIZE is required for the WebSocket."
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#endif
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typedef uint16_t ring_buffer_pos_t;
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class RingBuffer {
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uint8_t *data;
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ring_buffer_pos_t size, read_index, write_index;
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public:
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RingBuffer(ring_buffer_pos_t size);
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~RingBuffer();
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int available(void);
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int peek(void);
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int read(void);
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ring_buffer_pos_t read(uint8_t *buffer);
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void flush(void);
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ring_buffer_pos_t write(const uint8_t c);
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ring_buffer_pos_t write(const uint8_t* buffer, ring_buffer_pos_t size);
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};
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class WebSocketSerial: public Stream {
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RingBuffer rx_buffer;
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RingBuffer tx_buffer;
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public:
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WebSocketSerial();
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void begin(const long);
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void end();
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int available(void);
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int peek(void);
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int read(void);
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void flush(void);
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void flushTX(void);
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size_t write(const uint8_t c);
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size_t write(const uint8_t* buffer, size_t size);
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operator bool() { return true; }
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#if ENABLED(SERIAL_STATS_DROPPED_RX)
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FORCE_INLINE uint32_t dropped() { return 0; }
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#endif
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#if ENABLED(SERIAL_STATS_MAX_RX_QUEUED)
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FORCE_INLINE int rxMaxEnqueued() { return 0; }
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#endif
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};
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extern WebSocketSerial webSocketSerial;
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