59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
/**
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* Marlin 3D Printer Firmware
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* Copyright (c) 2020 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 <https://www.gnu.org/licenses/>.
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*
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*/
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#pragma once
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#include <HardwareSerial.h>
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#include <libmaple/usart.h>
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#include <WString.h>
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#include "../../inc/MarlinConfigPre.h"
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#include "../../core/serial_hook.h"
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// Increase priority of serial interrupts, to reduce overflow errors
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#define UART_IRQ_PRIO 1
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struct MarlinSerial : public HardwareSerial {
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MarlinSerial(struct usart_dev *usart_device, uint8 tx_pin, uint8 rx_pin) : HardwareSerial(usart_device, tx_pin, rx_pin) { }
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#ifdef UART_IRQ_PRIO
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// Shadow the parent methods to set IRQ priority after begin()
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void begin(uint32 baud) {
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MarlinSerial::begin(baud, SERIAL_8N1);
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}
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void begin(uint32 baud, uint8_t config) {
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HardwareSerial::begin(baud, config);
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nvic_irq_set_priority(c_dev()->irq_num, UART_IRQ_PRIO);
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}
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#endif
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};
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typedef Serial0Type<MarlinSerial> MSerialT;
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extern MSerialT MSerial1;
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extern MSerialT MSerial2;
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extern MSerialT MSerial3;
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#if EITHER(STM32_HIGH_DENSITY, STM32_XL_DENSITY)
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extern MSerialT MSerial4;
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extern MSerialT MSerial5;
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#endif
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