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usb_serial.h
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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.
*
*/
/** \file usb_serial.h
* \brief arch independent USB API
*
*/
#ifndef USB_S_H
#define USB_S_H
#include <inttypes.h>
#include "std.h"
#include "pprzlink/pprzlink_device.h"
#include "mcu_periph/uart.h"
#ifndef USB_RX_BUFFER_SIZE
#define USB_RX_BUFFER_SIZE UART_RX_BUFFER_SIZE
#endif
#if USB_MAX_ENDPOINTS < 4
#define USBD_NUMBER 1
#else
#define USBD_NUMBER 2
#endif
struct usb_serial_periph {
/** Receive buffer */
uint8_t rx_buf[USB_RX_BUFFER_SIZE];
uint16_t rx_read_idx;
uint16_t nb_bytes;
void *reg_addr;
/** Generic device interface */
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 */