Firmware2/Marlin/src/HAL/STM32F1/MarlinSerial.h
Victor Oliveira 8393c6a63d Raise STM32F1 UART IRQ Priority, add error handling (#19301)
(Error handling for Overrun, Framing and Parity.)
2021-04-29 08:44:59 -05:00

66 lines
1.9 KiB
C++

/**
* 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
#define UART_IRQ_PRIO 1
class MarlinSerial : public HardwareSerial {
public:
MarlinSerial(struct usart_dev *usart_device, uint8 tx_pin, uint8 rx_pin) :
HardwareSerial(usart_device, tx_pin, rx_pin)
#if ENABLED(EMERGENCY_PARSER)
, emergency_state(EmergencyParser::State::EP_RESET)
#endif
{ }
#ifdef UART_IRQ_PRIO
// shadow the parent methods to set irq priority after the 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
#if ENABLED(EMERGENCY_PARSER)
EmergencyParser::State emergency_state;
#endif
};
extern MarlinSerial MSerial1;
extern MarlinSerial MSerial2;
extern MarlinSerial MSerial3;
extern MarlinSerial MSerial4;
extern MarlinSerial MSerial5;