12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788 |
- /**
- * Marlin 3D Printer Firmware
- * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- *
- * 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/>.
- *
- */
-
- #if defined(ARDUINO_ARCH_STM32) && !defined(STM32GENERIC)
-
- #include "../../inc/MarlinConfig.h"
- #include "MarlinSerial.h"
-
- #if ENABLED(EMERGENCY_PARSER)
- #include "../../feature/e_parser.h"
- #endif
-
- #ifndef USART4
- #define USART4 UART4
- #endif
-
- #ifndef USART5
- #define USART5 UART5
- #endif
-
- #define DECLARE_SERIAL_PORT(ser_num) \
- void _rx_complete_irq_ ## ser_num (serial_t * obj); \
- MarlinSerial MSerial ## ser_num (USART ## ser_num, &_rx_complete_irq_ ## ser_num); \
- void _rx_complete_irq_ ## ser_num (serial_t * obj) { MSerial ## ser_num ._rx_complete_irq(obj); }
-
- #define DECLARE_SERIAL_PORT_EXP(ser_num) DECLARE_SERIAL_PORT(ser_num)
-
- #if defined(SERIAL_PORT) && SERIAL_PORT >= 0
- DECLARE_SERIAL_PORT_EXP(SERIAL_PORT)
- #endif
-
- #if defined(SERIAL_PORT_2) && SERIAL_PORT_2 >= 0
- DECLARE_SERIAL_PORT_EXP(SERIAL_PORT_2)
- #endif
-
- #if defined(DGUS_SERIAL_PORT) && DGUS_SERIAL_PORT >= 0
- DECLARE_SERIAL_PORT_EXP(DGUS_SERIAL_PORT)
- #endif
-
- void MarlinSerial::begin(unsigned long baud, uint8_t config) {
- HardwareSerial::begin(baud, config);
- // replace the IRQ callback with the one we have defined
- #if ENABLED(EMERGENCY_PARSER)
- _serial.rx_callback = _rx_callback;
- #endif
- }
-
- // This function is Copyright (c) 2006 Nicholas Zambetti.
- void MarlinSerial::_rx_complete_irq(serial_t *obj) {
- // No Parity error, read byte and store it in the buffer if there is room
- unsigned char c;
-
- if (uart_getc(obj, &c) == 0) {
-
- rx_buffer_index_t i = (unsigned int)(obj->rx_head + 1) % SERIAL_RX_BUFFER_SIZE;
-
- // if we should be storing the received character into the location
- // just before the tail (meaning that the head would advance to the
- // current location of the tail), we're about to overflow the buffer
- // and so we don't write the character or advance the head.
- if (i != obj->rx_tail) {
- obj->rx_buff[obj->rx_head] = c;
- obj->rx_head = i;
- }
-
- #if ENABLED(EMERGENCY_PARSER)
- emergency_parser.update(emergency_state, c);
- #endif
- }
- }
-
- #endif // ARDUINO_ARCH_STM32 && !STM32GENERIC
|