91 lines
2.2 KiB
C++
91 lines
2.2 KiB
C++
/**
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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 HARDWARE_SERIAL_H_
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#define HARDWARE_SERIAL_H_
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#include "../../../inc/MarlinConfigPre.h"
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#if ENABLED(EMERGENCY_PARSER)
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#include "../../../feature/emergency_parser.h"
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#endif
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#include <stdarg.h>
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#include <stdio.h>
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#include <Stream.h>
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extern "C" {
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#include <lpc17xx_uart.h>
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#include "lpc17xx_pinsel.h"
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}
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class HardwareSerial : public Stream {
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private:
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LPC_UART_TypeDef *UARTx;
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uint32_t Baudrate;
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uint32_t Status;
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uint8_t RxBuffer[RX_BUFFER_SIZE];
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uint32_t RxQueueWritePos;
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uint32_t RxQueueReadPos;
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#if TX_BUFFER_SIZE > 0
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uint8_t TxBuffer[TX_BUFFER_SIZE];
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uint32_t TxQueueWritePos;
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uint32_t TxQueueReadPos;
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#endif
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#if ENABLED(EMERGENCY_PARSER)
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EmergencyParser::State emergency_state;
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#endif
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public:
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HardwareSerial(LPC_UART_TypeDef *UARTx)
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: UARTx(UARTx)
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, Baudrate(0)
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, RxQueueWritePos(0)
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, RxQueueReadPos(0)
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#if TX_BUFFER_SIZE > 0
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, TxQueueWritePos(0)
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, TxQueueReadPos(0)
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#endif
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#if ENABLED(EMERGENCY_PARSER)
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, emergency_state(EmergencyParser::State::EP_RESET)
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#endif
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{
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}
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void begin(uint32_t baudrate);
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int16_t peek();
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int16_t read();
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size_t write(uint8_t send);
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#if TX_BUFFER_SIZE > 0
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void flushTX();
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#endif
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size_t available();
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void flush();
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size_t printf(const char *format, ...);
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operator bool() { return true; }
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void IRQHandler();
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};
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#endif // MARLIN_SRC_HAL_HAL_SERIAL_H_
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