/* * This file is part of the libopenstm32 project. * * Copyright (C) 2010 Gareth McMullin * * This program 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 3 of the License, or * (at your option) any later version. * * This program 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 this program. If not, see . */ #ifndef __USB_PRIVATE_H #define __USB_PRIVATE_H #define MIN(a, b) ((a)<(b) ? (a) : (b)) /** Internal collection of device information. */ extern struct _usbd_device { const struct usb_device_descriptor *desc; const struct usb_config_descriptor *config; const char **strings; uint8_t *ctrl_buf; /**< Internal buffer used for control transfers */ uint16_t ctrl_buf_len; uint8_t current_address; uint8_t current_config; uint16_t pm_top; /**< Top of allocated endpoint buffer memory */ /* User callback functions for various USB events */ void (*user_callback_reset)(void); void (*user_callback_suspend)(void); void (*user_callback_resume)(void); int (*user_callback_control_command)(struct usb_setup_data *req, void (**complete)(struct usb_setup_data *req)); int (*user_callback_control_read)(struct usb_setup_data *req, uint8_t **buf, uint16_t *len, void (**complete)(struct usb_setup_data *req)); int (*user_callback_control_write)(struct usb_setup_data *req, uint8_t *buf, uint16_t len, void (**complete)(struct usb_setup_data *req)); void (*user_callback_ctr[8][3])(uint8_t ea); /* User callback function for some standard USB function hooks */ void (*user_callback_set_config)(uint16_t wValue); } _usbd_device; enum _usbd_transaction { USB_TRANSACTION_IN, USB_TRANSACTION_OUT, USB_TRANSACTION_SETUP, }; void _usbd_control_in(uint8_t ea); void _usbd_control_out(uint8_t ea); void _usbd_control_setup(uint8_t ea); int _usbd_standard_request(struct usb_setup_data *req, uint8_t **buf, uint16_t *len); void _usbd_reset(void); /* Functions provided by the hardware abstraction */ void _usbd_hw_init(void); void _usbd_hw_set_address(uint8_t addr); void _usbd_hw_endpoints_reset(void); #endif