usb_serial.h

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/*
 * Copyright (C) 2006 Pascal Brisset, Antoine Drouin, Michel Gorraz
 *
 * This file is part of paparazzi.
 *
 * paparazzi 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 2, or (at your option)
 * any later version.
 *
 * paparazzi 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 paparazzi; see the file COPYING.  If not, write to
 * the Free Software Foundation, 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 */
 
#ifndef USB_S_H
#define USB_S_H
 
#include <inttypes.h>
#include "std.h"
#include "pprzlink/pprzlink_device.h"
#include "mcu_periph/uart.h"
#include "mcu_arch.h"
 
#ifndef USB_RX_BUFFER_SIZE
#define USB_RX_BUFFER_SIZE UART_RX_BUFFER_SIZE
#endif 
 
#ifdef USB_MAX_ENDPOINTS
#if USB_MAX_ENDPOINTS >= 4 && USE_USB_SERIAL_DEBUG
#define USBD_NUMBER 2
#else
#define USBD_NUMBER 1
#endif
#else
#define USBD_NUMBER 1
#endif
 
struct usb_serial_periph {
  uint8_t rx_buf[USB_RX_BUFFER_SIZE];
  uint16_t rx_read_idx;
  uint16_t nb_bytes;
  void *reg_addr;
 
  struct link_device device;
};
 
extern struct usb_serial_periph usb_serial;
#if USBD_NUMBER >= 2
extern struct usb_serial_periph usb_serial_debug;
#endif
 
void VCOM_init(void);
int  VCOM_putchar(int c);
int  VCOM_getchar(void);
int VCOM_peekchar(int ofs);
bool VCOM_check_free_space(uint16_t len);
int VCOM_check_available(void);
void VCOM_set_linecoding(uint8_t mode);
void VCOM_allow_linecoding(uint8_t mode);
void VCOM_send_message(void);
void VCOM_event(void);
 
#endif /* USB_S_H */