BLE demo for mbed Ported RunningElectronics's SBDBT firmware for BLE. It can communicate with iOS
Dependencies: FatFileSystem mbed
Fork of BTstack by
Diff: BTstack/att.h
- Revision:
- 1:6078e430af82
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/BTstack/att.h Thu Feb 07 14:01:01 2013 +0000 @@ -0,0 +1,164 @@ +/* + * Copyright (C) 2011-2012 by Matthias Ringwald + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the copyright holders nor the names of + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * 4. Any redistribution, use, or modification is done solely for + * personal benefit and not for any commercial purpose or for + * monetary gain. + * + * THIS SOFTWARE IS PROVIDED BY MATTHIAS RINGWALD AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS + * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF + * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * Please inquire about commercial licensing options at btstack@ringwald.ch + * + */ + +#pragma once + +#include <stdint.h> + +// MARK: Attribute PDU Opcodes +#define ATT_ERROR_RESPONSE 0x01 + +#define ATT_EXCHANGE_MTU_REQUEST 0x02 +#define ATT_EXCHANGE_MTU_RESPONSE 0x03 + +#define ATT_FIND_INFORMATION_REQUEST 0x04 +#define ATT_FIND_INFORMATION_REPLY 0x05 +#define ATT_FIND_BY_TYPE_VALUE_REQUEST 0x06 +#define ATT_FIND_BY_TYPE_VALUE_RESPONSE 0x07 + +#define ATT_READ_BY_TYPE_REQUEST 0x08 +#define ATT_READ_BY_TYPE_RESPONSE 0x09 +#define ATT_READ_REQUEST 0x0a +#define ATT_READ_RESPONSE 0x0b +#define ATT_READ_BLOB_REQUEST 0x0c +#define ATT_READ_BLOB_RESPONSE 0x0d +#define ATT_READ_MULTIPLE_REQUEST 0x0e +#define ATT_READ_MULTIPLE_RESPONSE 0x0f +#define ATT_READ_BY_GROUP_TYPE_REQUEST 0x10 +#define ATT_READ_BY_GROUP_TYPE_RESPONSE 0x11 + +#define ATT_WRITE_REQUEST 0x12 +#define ATT_WRITE_RESPONSE 0x13 + +#define ATT_PREPARE_WRITE_REQUEST 0x16 +#define ATT_PREPARE_WRITE_RESPONSE 0x17 +#define ATT_EXECUTE_WRITE_REQUEST 0x18 +#define ATT_EXECUTE_WRITE_RESPONSE 0x19 + +#define ATT_HANDLE_VALUE_NOTIFICATION 0x1b +#define ATT_HANDLE_VALUE_CONFIRMATION 0x1c +#define ATT_HANDLE_VALUE_INDICATION 0x1d + + +#define ATT_WRITE_COMMAND 0x52 +#define ATT_SIGNED_WRITE_COMAND 0xD2 + +// MARK: ATT Error Codes +#define ATT_ERROR_ATTRIBUTE_INVALID 0x01 +#define ATT_ERROR_INVALID_OFFSET 0x07 +#define ATT_ERROR_ATTRIBUTE_NOT_FOUND 0x0a +#define ATT_ERROR_UNSUPPORTED_GROUP_TYPE 0x10 + +// MARK: Attribute Property Flags +#define ATT_PROPERTY_BROADCAST 0x01 +#define ATT_PROPERTY_READ 0x02 +#define ATT_PROPERTY_WRITE_WITHOUT_RESPONSE 0x04 +#define ATT_PROPERTY_WRITE 0x08 +#define ATT_PROPERTY_NOTIFY 0x10 +#define ATT_PROPERTY_INDICATE 0x20 +#define ATT_PROPERTY_AUTHENTICATED_SIGNED_WRITE 0x40 +#define ATT_PROPERTY_EXTENDED_PROPERTIES 0x80 + +// MARK: Attribute Property Flag, BTstack extension +// value is asked from client +#define ATT_PROPERTY_DYNAMIC 0x100 +// 128 bit UUID used +#define ATT_PROPERTY_UUID128 0x200 + +// MARK: GATT UUIDs +#define GATT_PRIMARY_SERVICE_UUID 0x2800 +#define GATT_SECONDARY_SERVICE_UUID 0x2801 +#define GATT_CHARACTERISTICS_UUID 0x2803 + +#define GAP_SERVICE_UUID 0x1800 +#define GAP_DEVICE_NAME_UUID 0x2a00 + +#define ATT_TRANSACTION_MODE_NONE 0x0 +#define ATT_TRANSACTION_MODE_ACTIVE 0x1 +#define ATT_TRANSACTION_MODE_EXECUTE 0x2 +#define ATT_TRANSACTION_MODE_CANCEL 0x3 + +typedef struct att_connection { + uint16_t mtu; +} att_connection_t; + +typedef uint8_t signature_t[12]; + +// ATT Client Read Callback for Dynamic Data +// - if buffer == NULL, don't copy data, just return size of value +// - if buffer != NULL, copy data and return number bytes copied +// @param offset defines start of attribute value +typedef uint16_t (*att_read_callback_t)(uint16_t handle, uint16_t offset, uint8_t * buffer, uint16_t buffer_size); + +// ATT Client Write Callback for Dynamic Data +// @param handle to be written +// @param transaction - ATT_TRANSACTION_MODE_NONE for regular writes, ATT_TRANSACTION_MODE_ACTIVE for prepared writes and ATT_TRANSACTION_MODE_EXECUTE +// @param offset into the value - used for queued writes and long attributes +// @param buffer +// @param buffer_size +// @Param signature used for signed write commmands +typedef void (*att_write_callback_t)(uint16_t handle, uint16_t transaction_mode, uint16_t offset, uint8_t *buffer, uint16_t buffer_size, signature_t * signature); + +// MARK: ATT Operations + +void att_set_db(uint8_t const * db); + +void att_set_read_callback(att_read_callback_t callback); + +void att_set_write_callback(att_write_callback_t callback); + +void att_dump_attributes(void); + +// response buffer size = att_connection->mtu +uint16_t att_handle_request(att_connection_t * att_connection, + uint8_t * request_buffer, + uint16_t request_len, + uint8_t * response_buffer); + +uint16_t att_prepare_handle_value_notification(att_connection_t * att_connection, + uint16_t handle, + uint8_t *value, + uint16_t value_len, + uint8_t * response_buffer); + +uint16_t att_prepare_handle_value_indication(att_connection_t * att_connection, + uint16_t handle, + uint8_t *value, + uint16_t value_len, + uint8_t * response_buffer); + + + \ No newline at end of file