mirror of
https://github.com/MarlinFirmware/Marlin.git
synced 2025-12-29 19:00:37 -07:00
97 lines
3.4 KiB
C++
97 lines
3.4 KiB
C++
/**
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* Marlin 3D Printer Firmware
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* Copyright (c) 2025 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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#include "../platforms.h"
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#ifdef ARDUINO_ARCH_MFL
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#include "../../inc/MarlinConfig.h"
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#include "MarlinSerial.h"
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#if ENABLED(EMERGENCY_PARSER)
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#include "../../feature/e_parser.h"
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#endif
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using namespace arduino;
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auto MarlinSerial::get_instance(usart::USART_Base Base, pin_size_t rxPin, pin_size_t txPin) -> MarlinSerial& {
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auto& serial = UsartSerial::get_instance(Base, rxPin, txPin);
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return *reinterpret_cast<MarlinSerial*>(&serial);
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}
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#if USING_HW_SERIAL0
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MSerialT MSerial0(true, MarlinSerial::get_instance(usart::USART_Base::USART0_BASE, NO_PIN, NO_PIN));
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#endif
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#if USING_HW_SERIAL1
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MSerialT MSerial1(true, MarlinSerial::get_instance(usart::USART_Base::USART1_BASE, NO_PIN, NO_PIN));
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#endif
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#if USING_HW_SERIAL2
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MSerialT MSerial2(true, MarlinSerial::get_instance(usart::USART_Base::USART2_BASE, NO_PIN, NO_PIN));
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#endif
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#if USING_HW_SERIAL3
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MSerialT MSerial3(true, MarlinSerial::get_instance(usart::USART_Base::UART3_BASE, NO_PIN, NO_PIN));
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#endif
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#if USING_HW_SERIAL4
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MSerialT MSerial4(true, MarlinSerial::get_instance(usart::USART_Base::UART4_BASE, NO_PIN, NO_PIN));
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#endif
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#if ENABLED(EMERGENCY_PARSER)
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// This callback needs to access the specific MarlinSerial instance
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// We'll use a static pointer to track the current instance
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static MarlinSerial* current_serial_instance = nullptr;
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static void emergency_callback() {
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if (!current_serial_instance) return;
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const auto last_data = current_serial_instance->get_last_data();
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emergency_parser.update(current_serial_instance->emergency_state, last_data);
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}
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void MarlinSerial::register_emergency_callback(void (*callback)()) {
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usart_.register_interrupt_callback(usart::Interrupt_Type::INTR_RBNEIE, callback);
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}
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#endif
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void MarlinSerial::begin(unsigned long baudrate, uint16_t config) {
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UsartSerial::begin(baudrate, config, ENABLED(SERIAL_DMA));
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#if ENABLED(EMERGENCY_PARSER) && DISABLED(SERIAL_DMA)
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current_serial_instance = this;
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register_emergency_callback(emergency_callback);
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#endif
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}
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void MarlinSerial::updateRxDmaBuffer() {
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#if ENABLED(EMERGENCY_PARSER)
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// Get the number of bytes available in the receive buffer
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const size_t available_bytes = usart_.available_for_read(true);
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// Process only the available data
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for (size_t i = 0; i < available_bytes; ++i) {
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uint8_t data;
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if (usart_.read_rx_buffer(data))
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emergency_parser.update(emergency_state, data);
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}
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#endif
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// Call the base class implementation to handle any additional updates
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UsartSerial::updateRxDmaBuffer();
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}
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#endif // ARDUINO_ARCH_MFL
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