Victor Oliveira
4 years ago
committed by
GitHub
GitHub
4 changed files with 145 additions and 15 deletions
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/**
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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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#include "../../inc/MarlinConfigPre.h" |
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#include "MarlinSerial.h" |
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#include <libmaple/usart.h> |
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// Copied from ~/.platformio/packages/framework-arduinoststm32-maple/STM32F1/system/libmaple/usart_private.h
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// Changed to handle Emergency Parser
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static inline __always_inline void my_usart_irq(ring_buffer *rb, ring_buffer *wb, usart_reg_map *regs, MarlinSerial &serial) { |
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/* Handle RXNEIE and TXEIE interrupts.
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* RXNE signifies availability of a byte in DR. |
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* |
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* See table 198 (sec 27.4, p809) in STM document RM0008 rev 15. |
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* We enable RXNEIE. |
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*/ |
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if ((regs->CR1 & USART_CR1_RXNEIE) && (regs->SR & USART_SR_RXNE)) { |
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uint8_t c = (uint8)regs->DR; |
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#ifdef USART_SAFE_INSERT |
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// If the buffer is full and the user defines USART_SAFE_INSERT,
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// ignore new bytes.
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rb_safe_insert(rb, c); |
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#else |
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// By default, push bytes around in the ring buffer.
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rb_push_insert(rb, c); |
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#endif |
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#if ENABLED(EMERGENCY_PARSER) |
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emergency_parser.update(serial.emergency_state, c); |
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#endif |
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} |
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// TXE signifies readiness to send a byte to DR.
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if ((regs->CR1 & USART_CR1_TXEIE) && (regs->SR & USART_SR_TXE)) { |
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if (!rb_is_empty(wb)) |
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regs->DR=rb_remove(wb); |
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else |
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regs->CR1 &= ~((uint32)USART_CR1_TXEIE); // disable TXEIE
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} |
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} |
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#define DEFINE_HWSERIAL_MARLIN(name, n) \ |
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MarlinSerial name(USART##n, \ |
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BOARD_USART##n##_TX_PIN, \ |
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BOARD_USART##n##_RX_PIN); \ |
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extern "C" void __irq_usart##n(void) { \ |
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my_usart_irq(USART##n->rb, USART##n->wb, USART##n##_BASE, MSerial##n); \ |
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} |
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#define DEFINE_HWSERIAL_UART_MARLIN(name, n) \ |
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MarlinSerial name(UART##n, \ |
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BOARD_USART##n##_TX_PIN, \ |
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BOARD_USART##n##_RX_PIN); \ |
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extern "C" void __irq_usart##n(void) { \ |
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my_usart_irq(USART##n->rb, USART##n->wb, USART##n##_BASE, MSerial##n); \ |
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} |
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#if SERIAL_PORT == 1 || SERIAL_PORT_2 == 1 || DGUS_SERIAL_PORT == 1 |
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DEFINE_HWSERIAL_MARLIN(MSerial1, 1); |
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#endif |
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#if SERIAL_PORT == 2 || SERIAL_PORT_2 == 2 || DGUS_SERIAL_PORT == 2 |
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DEFINE_HWSERIAL_MARLIN(MSerial2, 2); |
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#endif |
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#if SERIAL_PORT == 3 || SERIAL_PORT_2 == 3 || DGUS_SERIAL_PORT == 3 |
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DEFINE_HWSERIAL_MARLIN(MSerial3, 3); |
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#endif |
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#if SERIAL_PORT == 4 || SERIAL_PORT_2 == 4 || DGUS_SERIAL_PORT == 4 |
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DEFINE_HWSERIAL_UART_MARLIN(MSerial4, 4); |
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#endif |
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#if SERIAL_PORT == 5 || SERIAL_PORT_2 == 5 || DGUS_SERIAL_PORT == 5 |
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DEFINE_HWSERIAL_UART_MARLIN(MSerial5, 5); |
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#endif |
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@ -0,0 +1,50 @@ |
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/**
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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 <WString.h> |
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#include "../../inc/MarlinConfigPre.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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class MarlinSerial : public HardwareSerial { |
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public: |
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MarlinSerial(struct usart_dev *usart_device, uint8 tx_pin, uint8 rx_pin) : |
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HardwareSerial(usart_device, tx_pin, rx_pin) |
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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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#if ENABLED(EMERGENCY_PARSER) |
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EmergencyParser::State emergency_state; |
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#endif |
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}; |
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extern MarlinSerial MSerial1; |
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extern MarlinSerial MSerial2; |
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extern MarlinSerial MSerial3; |
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extern MarlinSerial MSerial4; |
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extern MarlinSerial MSerial5; |
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