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#ifndef USBSTACK_APPLICATION_H_
#define USBSTACK_APPLICATION_H_
/*
* Tiny USB stack
* Application level code
*
* Copyright (C) 2009-2014 Michael Buesch <m@bues.ch>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* 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.
*/
#include "usb_config.h"
#include "util.h"
#include <stdint.h>
struct usb_ctrl;
#define USB_APP_UNHANDLED 0xFF
/** usb_app_reset - Reset all state */
#if USB_APP_HAVE_RESET
void usb_app_reset(void);
#else
static inline void usb_app_reset(void) { }
#endif
/** usb_app_highpower - Called when high-power permission changes.
* @granted: If true, the device is granted more than 1 power unit (100mA),
* but only up to the bMaxPower specified in the configuration descriptor.
*/
#if USB_APP_HAVE_HIGHPOWER
void usb_app_highpower(bool granted);
#else
static inline void usb_app_highpower(bool granted) { }
#endif
/** usb_app_control_rx - Handle a received EP0 frame in the app layer.
* @ctl: The received control frame
* @reply_buf: Buffer for reply. Buffer size is USBCFG_EP0_MAXSIZE.
* On success, returns the number of bytes in reply_buf.
* On failure, returns USB_APP_UNHANDLED. */
#if USB_APP_HAVE_CTLSETUPRX
uint8_t usb_app_control_setup_rx(struct usb_ctrl *ctl, uint8_t *reply_buf);
#else
static inline
uint8_t usb_app_control_setup_rx(struct usb_ctrl *ctl, uint8_t *reply_buf)
{ return USB_APP_UNHANDLED; }
#endif
/** usb_app_ep1_rx - Handle a received EP1 frame in the app layer.
* @data: The received frame
* @size: The size of the received frame
* @reply_buf: Buffer for reply. Buffer size is USBCFG_EP1_MAXSIZE.
* On success, returns the number of bytes in reply_buf.
* On failure, returns USB_APP_UNHANDLED. */
#if USB_APP_HAVE_EP1RX
uint8_t usb_app_ep1_rx(uint8_t *data, uint8_t size,
uint8_t *reply_buf);
#else
static inline
uint8_t usb_app_ep1_rx(uint8_t *data, uint8_t size,
uint8_t *reply_buf)
{ return USB_APP_UNHANDLED; }
#endif
/** usb_app_ep1_tx_poll - Poll TX data for EP1.
* @buffer: The buffer to write the data to.
* The buffer size is USBCFG_EP1_MAXSIZE
*/
#if USB_APP_HAVE_EP1TXPOLL
uint8_t usb_app_ep1_tx_poll(void *buffer);
#else
static inline
uint8_t usb_app_ep1_tx_poll(void *buffer)
{ return 0; }
#endif
/** usb_app_ep2_rx - Handle a received EP2 frame in the app layer.
* @data: The received frame
* @size: The size of the received frame
* @reply_buf: Buffer for reply. Buffer size is USBCFG_EP2_MAXSIZE.
* On success, returns the number of bytes in reply_buf.
* On failure, returns USB_APP_UNHANDLED. */
#if USB_APP_HAVE_EP2RX
uint8_t usb_app_ep2_rx(uint8_t *data, uint8_t size,
uint8_t *reply_buf);
#else
static inline
uint8_t usb_app_ep2_rx(uint8_t *data, uint8_t size,
uint8_t *reply_buf)
{ return USB_APP_UNHANDLED; }
#endif
/** usb_app_ep2_tx_poll - Poll TX data for EP2.
* @buffer: The buffer to write the data to.
* The buffer size is USBCFG_EP2_MAXSIZE
*/
#if USB_APP_HAVE_EP2TXPOLL
uint8_t usb_app_ep2_tx_poll(void *buffer);
#else
static inline
uint8_t usb_app_ep2_tx_poll(void *buffer)
{ return 0; }
#endif
#endif /* USBSTACK_APPLICATION_H_ */
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