src/main/drivers/serial_usb_vcp.h

   1 /*
   2  * This file is part of Cleanflight and Betaflight.
   3  *
   4  * Cleanflight and Betaflight are free software. You can redistribute
   5  * this software and/or modify this software under the terms of the
   6  * GNU General Public License as published by the Free Software
   7  * Foundation, either version 3 of the License, or (at your option)
   8  * any later version.
   9  *
  10  * Cleanflight and Betaflight are distributed in the hope that they
  11  * will be useful, but WITHOUT ANY WARRANTY; without even the implied
  12  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  13  * See the GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this software.
  17  *
  18  * If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #pragma once
  22
  23 #include "drivers/serial.h"
  24
  25 #if defined(STM32F7)
  26 #include "common/maths.h"
  27
  28 #include "usbd_cdc.h"
  29
  30 extern USBD_HandleTypeDef  USBD_Device;
  31
  32 #elif defined(STM32H7) || defined(STM32G4)
  33 #include "usbd_cdc.h"
  34
  35 extern USBD_HandleTypeDef  USBD_Device;
  36 #endif
  37
  38 typedef struct {
  39     serialPort_t port;
  40
  41     // Buffer used during bulk writes.
  42     uint8_t txBuf[20];
  43     uint8_t txAt;
  44     // Set if the port is in bulk write mode and can buffer.
  45     bool buffering;
  46 } vcpPort_t;
  47
  48 serialPort_t *usbVcpOpen(void);
  49 struct serialPort_s;
  50 uint32_t usbVcpGetBaudRate(struct serialPort_s *instance);
  51 uint8_t usbVcpIsConnected(void);