Marlin 2.0 for Flying Bear 4S/5
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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 <HardwareSerial.h>
#include <libmaple/usart.h>
#include <WString.h>
#include "../../inc/MarlinConfigPre.h"
#if ENABLED(EMERGENCY_PARSER)
#include "../../feature/e_parser.h"
#endif
// Increase priority of serial interrupts, to reduce overflow errors
#define UART_IRQ_PRIO 1
class MarlinSerial : public HardwareSerial {
public:
#if ENABLED(EMERGENCY_PARSER)
const bool ep_enabled;
EmergencyParser::State emergency_state;
inline bool emergency_parser_enabled() { return ep_enabled; }
#endif
MarlinSerial(struct usart_dev *usart_device, uint8 tx_pin, uint8 rx_pin, bool TERN_(EMERGENCY_PARSER, ep_capable)) :
HardwareSerial(usart_device, tx_pin, rx_pin)
#if ENABLED(EMERGENCY_PARSER)
, ep_enabled(ep_capable)
, emergency_state(EmergencyParser::State::EP_RESET)
#endif
{ }
#ifdef UART_IRQ_PRIO
// Shadow the parent methods to set IRQ priority after begin()
void begin(uint32 baud) {
MarlinSerial::begin(baud, SERIAL_8N1);
}
void begin(uint32 baud, uint8_t config) {
HardwareSerial::begin(baud, config);
nvic_irq_set_priority(c_dev()->irq_num, UART_IRQ_PRIO);
}
#endif
};
extern MarlinSerial MSerial1;
extern MarlinSerial MSerial2;
extern MarlinSerial MSerial3;
#if EITHER(STM32_HIGH_DENSITY, STM32_XL_DENSITY)
extern MarlinSerial MSerial4;
extern MarlinSerial MSerial5;
#endif