56 lines
1.8 KiB
C++
56 lines
1.8 KiB
C++
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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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* 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 <http://www.gnu.org/licenses/>.
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*
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*/
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#if defined(ARDUINO_ARCH_STM32) && !defined(STM32GENERIC)
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#include "../../inc/MarlinConfigPre.h"
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#if ENABLED(EMERGENCY_PARSER)
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#include "usb_serial.h"
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#include "../../feature/e_parser.h"
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EmergencyParser::State emergency_state = EmergencyParser::State::EP_RESET;
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int8_t (*USBD_CDC_Receive_original) (uint8_t *Buf, uint32_t *Len) = nullptr;
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static int8_t USBD_CDC_Receive_hook(uint8_t *Buf, uint32_t *Len) {
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for (uint32_t i = 0; i < *Len; i++)
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emergency_parser.update(emergency_state, Buf[i]);
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return USBD_CDC_Receive_original(Buf, Len);
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}
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typedef struct _USBD_CDC_Itf {
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int8_t (* Init)(void);
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int8_t (* DeInit)(void);
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int8_t (* Control)(uint8_t cmd, uint8_t *pbuf, uint16_t length);
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int8_t (* Receive)(uint8_t *Buf, uint32_t *Len);
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int8_t (* Transferred)(void);
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} USBD_CDC_ItfTypeDef;
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extern USBD_CDC_ItfTypeDef USBD_CDC_fops;
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void USB_Hook_init() {
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USBD_CDC_Receive_original = USBD_CDC_fops.Receive;
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USBD_CDC_fops.Receive = USBD_CDC_Receive_hook;
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}
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#endif // EMERGENCY_PARSER
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#endif // ARDUINO_ARCH_STM32 && !STM32GENERIC
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