From e8701195e66f2d27ffe17fb514eae8173795aaf7 Mon Sep 17 00:00:00 2001 From: Georgiy Bondarenko <69736697+nehilo@users.noreply.github.com> Date: Thu, 4 Mar 2021 22:54:23 +0500 Subject: Initial commit --- Marlin/src/HAL/STM32/usb_serial.cpp | 54 +++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 Marlin/src/HAL/STM32/usb_serial.cpp (limited to 'Marlin/src/HAL/STM32/usb_serial.cpp') diff --git a/Marlin/src/HAL/STM32/usb_serial.cpp b/Marlin/src/HAL/STM32/usb_serial.cpp new file mode 100644 index 0000000..705d649 --- /dev/null +++ b/Marlin/src/HAL/STM32/usb_serial.cpp @@ -0,0 +1,54 @@ +/** + * 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 . + * + */ +#if defined(ARDUINO_ARCH_STM32) && !defined(STM32GENERIC) + +#include "../../inc/MarlinConfigPre.h" + +#if ENABLED(EMERGENCY_PARSER) && USBD_USE_CDC + +#include "usb_serial.h" +#include "../../feature/e_parser.h" + +EmergencyParser::State emergency_state = EmergencyParser::State::EP_RESET; + +int8_t (*USBD_CDC_Receive_original) (uint8_t *Buf, uint32_t *Len) = nullptr; + +static int8_t USBD_CDC_Receive_hook(uint8_t *Buf, uint32_t *Len) { + for (uint32_t i = 0; i < *Len; i++) + emergency_parser.update(emergency_state, Buf[i]); + return USBD_CDC_Receive_original(Buf, Len); +} + +typedef struct _USBD_CDC_Itf { + int8_t (* Init)(void); + int8_t (* DeInit)(void); + int8_t (* Control)(uint8_t cmd, uint8_t *pbuf, uint16_t length); + int8_t (* Receive)(uint8_t *Buf, uint32_t *Len); + int8_t (* Transferred)(void); +} USBD_CDC_ItfTypeDef; + +extern USBD_CDC_ItfTypeDef USBD_CDC_fops; + +void USB_Hook_init() { + USBD_CDC_Receive_original = USBD_CDC_fops.Receive; + USBD_CDC_fops.Receive = USBD_CDC_Receive_hook; +} + +#endif // EMERGENCY_PARSER && USBD_USE_CDC +#endif // ARDUINO_ARCH_STM32 && !STM32GENERIC -- cgit v1.2.3