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- /**
- * Marlin 3D Printer Firmware
- * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- *
- * Based on Sprinter and grbl.
- * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
- *
- */
- #pragma once
-
- #include "../../inc/MarlinConfig.h"
- #include "../../core/serial_hook.h"
-
- #include <Stream.h>
-
- #ifndef TX_BUFFER_SIZE
- #define TX_BUFFER_SIZE 32
- #endif
- #if ENABLED(WIFISUPPORT)
- #ifndef RX_BUFFER_SIZE
- #define RX_BUFFER_SIZE 128
- #endif
- #if TX_BUFFER_SIZE <= 0
- #error "TX_BUFFER_SIZE is required for the WebSocket."
- #endif
- #endif
-
- typedef uint16_t ring_buffer_pos_t;
-
- class RingBuffer {
- uint8_t *data;
- ring_buffer_pos_t size, read_index, write_index;
-
- public:
- RingBuffer(ring_buffer_pos_t size);
- ~RingBuffer();
-
- int available();
- int peek();
- int read();
- ring_buffer_pos_t read(uint8_t *buffer);
- void flush();
- ring_buffer_pos_t write(const uint8_t c);
- ring_buffer_pos_t write(const uint8_t *buffer, ring_buffer_pos_t size);
- };
-
- class WebSocketSerial: public Stream {
- RingBuffer rx_buffer;
- RingBuffer tx_buffer;
-
- public:
- WebSocketSerial();
- void begin(const long);
- void end();
- int available();
- int peek();
- int read();
- void flush();
- size_t write(const uint8_t c);
- size_t write(const uint8_t *buffer, size_t size);
-
- #if ENABLED(SERIAL_STATS_DROPPED_RX)
- FORCE_INLINE uint32_t dropped() { return 0; }
- #endif
-
- #if ENABLED(SERIAL_STATS_MAX_RX_QUEUED)
- FORCE_INLINE int rxMaxEnqueued() { return 0; }
- #endif
- };
-
- typedef Serial1Class<WebSocketSerial> MSerialWebSocketT;
- extern MSerialWebSocketT webSocketSerial;
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