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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef ADK_INTERNAL
#ifndef __USB_USBH_H
#define __USB_USBH_H
#ifdef __cplusplus
extern "C" {
#endif
typedef struct usbh_device {
uint8_t address;
uint8_t devdesc[64];
uint8_t devconfig[512]; // XXX max
uint16_t vid;
uint16_t pid;
} usbh_device_t;
#define PIPE_RESULT_OK (0)
#define PIPE_RESULT_NOT_READY (-1)
#define PIPE_RESULT_NOT_QUEUED (-2)
#define PIPE_RESULT_ERR (-3)
#define PIPE_RESULT_RESET (-4)
#define PIPE_RESULT_NAK (-5)
#define PIPE_RESULT_STALL (-6)
#define DEFAULT_ACCESSORY_STRING_VENDOR "Google, Inc."
#define DEFAULT_ACCESSORY_STRING_NAME "DemoKit"
#define DEFAULT_ACCESSORY_STRING_LONGNAME "DemoKit ADK2012"
#define DEFAULT_ACCESSORY_STRING_VERSION "2.0"
#define DEFAULT_ACCESSORY_STRING_URL "http://www.android.com"
#define DEFAULT_ACCESSORY_STRING_SERIAL "0000000012345678"
void usbh_init(void);
void usbh_start(void);
void usbh_work(void);
void usbh_set_accessory_string_vendor(const char *str);
void usbh_set_accessory_string_name(const char *str);
void usbh_set_accessory_string_longname(const char *str);
void usbh_set_accessory_string_version(const char *str);
void usbh_set_accessory_string_url(const char *str);
void usbh_set_accessory_string_serial(const char *str);
enum usbh_endp_type {
ENDP_TYPE_CONTROL,
ENDP_TYPE_BULK,
ENDP_TYPE_INT,
ENDP_TYPE_ISO
};
int usbh_accessory_connected(void);
int usbh_setup_endpoint(uint8_t addr, uint8_t endp, enum usbh_endp_type type, size_t packet_size);
int usbh_free_endpoint(int pipe);
int usbh_queue_transfer(int pipe, void *buf, size_t len);
int usbh_check_transfer(int pipe);
int usbh_send_setup(const void *setup, void *buf, int incomplete);
/* isochronous transfers */
typedef void (*usbh_iso_callback_t)(void *arg, int result, void *buf, size_t pos);
int usbh_queue_iso_transfer(int pipe, void *buf, size_t buflen, usbh_iso_callback_t cb, void *arg);
int usbh_set_iso_buffer(int pipe, void *buf, size_t buflen);
uint32_t usbh_get_frame_num(void);
int accessory_init(usbh_device_t *dev);
void accessory_deinit(void);
int accessory_send(const void *buf, size_t len);
int accessory_receive(void *buf, size_t len);
void accessory_work(void);
#ifdef __cplusplus
}
#endif
#endif
#endif
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