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- /** @defgroup usb_drivers_file Generic USB Drivers
-
- @ingroup USB
-
- @brief <b>Generic USB Drivers</b>
-
- @version 1.0.0
-
- @author @htmlonly © @endhtmlonly 2010
- Gareth McMullin <gareth@blacksphere.co.nz>
-
- @date 10 March 2013
-
- LGPL License Terms @ref lgpl_license
- */
-
- /*
- * This file is part of the libopencm3 project.
- *
- * Copyright (C) 2010 Gareth McMullin <gareth@blacksphere.co.nz>
- *
- * This library is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This library 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 Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library. If not, see <http://www.gnu.org/licenses/>.
- */
-
- /**@{*/
-
- #include <string.h>
- #include <libopencm3/usb/usbd.h>
- #include "usb_private.h"
-
- usbd_device *usbd_init(const usbd_driver *driver,
- const struct usb_device_descriptor *dev,
- const struct usb_config_descriptor *conf,
- const char * const *strings, int num_strings,
- uint8_t *control_buffer, uint16_t control_buffer_size)
- {
- usbd_device *usbd_dev;
-
- usbd_dev = driver->init();
-
- usbd_dev->driver = driver;
- usbd_dev->desc = dev;
- usbd_dev->config = conf;
- usbd_dev->strings = strings;
- usbd_dev->num_strings = num_strings;
- usbd_dev->ctrl_buf = control_buffer;
- usbd_dev->ctrl_buf_len = control_buffer_size;
-
- usbd_dev->user_callback_ctr[0][USB_TRANSACTION_SETUP] =
- _usbd_control_setup;
- usbd_dev->user_callback_ctr[0][USB_TRANSACTION_OUT] =
- _usbd_control_out;
- usbd_dev->user_callback_ctr[0][USB_TRANSACTION_IN] =
- _usbd_control_in;
-
- int i;
- for (i = 0; i < MAX_USER_SET_CONFIG_CALLBACK; i++) {
- usbd_dev->user_callback_set_config[i] = NULL;
- }
-
- return usbd_dev;
- }
-
- void usbd_register_reset_callback(usbd_device *usbd_dev, void (*callback)(void))
- {
- usbd_dev->user_callback_reset = callback;
- }
-
- void usbd_register_suspend_callback(usbd_device *usbd_dev,
- void (*callback)(void))
- {
- usbd_dev->user_callback_suspend = callback;
- }
-
- void usbd_register_resume_callback(usbd_device *usbd_dev,
- void (*callback)(void))
- {
- usbd_dev->user_callback_resume = callback;
- }
-
- void usbd_register_sof_callback(usbd_device *usbd_dev, void (*callback)(void))
- {
- usbd_dev->user_callback_sof = callback;
- }
-
- void _usbd_reset(usbd_device *usbd_dev)
- {
- usbd_dev->current_address = 0;
- usbd_dev->current_config = 0;
- usbd_ep_setup(usbd_dev, 0, USB_ENDPOINT_ATTR_CONTROL, usbd_dev->desc->bMaxPacketSize0, NULL);
- usbd_dev->driver->set_address(usbd_dev, 0);
-
- if (usbd_dev->user_callback_reset) {
- usbd_dev->user_callback_reset();
- }
- }
-
- /* Functions to wrap the low-level driver */
- void usbd_poll(usbd_device *usbd_dev)
- {
- usbd_dev->driver->poll(usbd_dev);
- }
-
- __attribute__((weak)) void usbd_disconnect(usbd_device *usbd_dev,
- bool disconnected)
- {
- /* not all drivers support disconnection */
- if (usbd_dev->driver->disconnect) {
- usbd_dev->driver->disconnect(usbd_dev, disconnected);
- }
- }
-
- void usbd_ep_setup(usbd_device *usbd_dev, uint8_t addr, uint8_t type,
- uint16_t max_size, usbd_endpoint_callback callback)
- {
- usbd_dev->driver->ep_setup(usbd_dev, addr, type, max_size, callback);
- }
-
- uint16_t usbd_ep_write_packet(usbd_device *usbd_dev, uint8_t addr,
- const void *buf, uint16_t len)
- {
- return usbd_dev->driver->ep_write_packet(usbd_dev, addr, buf, len);
- }
-
- uint16_t usbd_ep_read_packet(usbd_device *usbd_dev, uint8_t addr, void *buf,
- uint16_t len)
- {
- return usbd_dev->driver->ep_read_packet(usbd_dev, addr, buf, len);
- }
-
- void usbd_ep_stall_set(usbd_device *usbd_dev, uint8_t addr, uint8_t stall)
- {
- usbd_dev->driver->ep_stall_set(usbd_dev, addr, stall);
- }
-
- uint8_t usbd_ep_stall_get(usbd_device *usbd_dev, uint8_t addr)
- {
- return usbd_dev->driver->ep_stall_get(usbd_dev, addr);
- }
-
- void usbd_ep_nak_set(usbd_device *usbd_dev, uint8_t addr, uint8_t nak)
- {
- usbd_dev->driver->ep_nak_set(usbd_dev, addr, nak);
- }
-
- /**@}*/
-
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