/*
 * This file is part of the MicroPython project, http://micropython.org/
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2013, 2014, 2015 Damien P. George
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
#ifndef MICROPY_INCLUDED_STM32_USB_H
#define MICROPY_INCLUDED_STM32_USB_H

#if MICROPY_HW_STM_USB_STACK
#include "usbd_cdc_msc_hid0.h"
#endif

#define PYB_USB_FLAG_USB_MODE_CALLED    (0x0002)

typedef enum {
    PYB_USB_STORAGE_MEDIUM_NONE = 0,
    PYB_USB_STORAGE_MEDIUM_FLASH,
    PYB_USB_STORAGE_MEDIUM_SDCARD,
} pyb_usb_storage_medium_t;

typedef enum {
    USB_PHY_FS_ID = 0,
    USB_PHY_HS_ID = 1,
} USB_PHY_ID;

// Storage medium variable used by both USB stacks when MSC is enabled
#if MICROPY_HW_USB_MSC
extern pyb_usb_storage_medium_t pyb_usb_storage_medium;
#endif

#if MICROPY_HW_STM_USB_STACK

typedef struct _pyb_usb_vcp_obj_t pyb_usb_vcp_obj_t;

extern mp_uint_t pyb_usb_flags;
extern const struct _mp_rom_obj_tuple_t pyb_usb_hid_mouse_obj;
extern const struct _mp_rom_obj_tuple_t pyb_usb_hid_keyboard_obj;
extern const mp_obj_type_t pyb_usb_vcp_type;
extern const mp_obj_type_t pyb_usb_hid_type;

MP_DECLARE_CONST_FUN_OBJ_KW(pyb_usb_mode_obj);
MP_DECLARE_CONST_FUN_OBJ_0(pyb_have_cdc_obj); // deprecated
MP_DECLARE_CONST_FUN_OBJ_1(pyb_hid_send_report_obj); // deprecated

void pyb_usb_init0(void);
int pyb_usb_dev_detect(void);
bool pyb_usb_dev_init(int dev_id, uint16_t vid, uint16_t pid, uint8_t mode, size_t msc_n, const void *msc_unit, USBD_HID_ModeInfoTypeDef *hid_info);
void pyb_usb_dev_deinit(void);
bool usb_vcp_is_enabled(void);
int usb_vcp_recv_byte(uint8_t *c); // if a byte is available, return 1 and put the byte in *c, else return 0
void usb_vcp_send_strn(const char *str, int len);
void usb_vcp_attach_to_repl(const pyb_usb_vcp_obj_t *self, bool attached);

void pyb_usb_host_init(void);
void pyb_usb_host_process(void);
uint pyb_usb_host_get_keyboard(void);
#endif

#endif // MICROPY_INCLUDED_STM32_USB_H
