Ken Todotani / Mbed 2 deprecated BTstackLE

BLE demo for mbed Ported RunningElectronics's SBDBT firmware for BLE. It can communicate with iOS

Dependencies:   FatFileSystem mbed

Fork of BTstack by Norimasa Okamoto

BTstack/rfcomm.h@6:cf06ba884429, 2013-02-20 (annotated)

Committer:
todotani
Date:
Wed Feb 20 14:18:38 2013 +0000
Revision:
6:cf06ba884429
Parent:
1:6078e430af82 
Change tick timer to 1ms. Change attribute 0xFFF1 as read of DigitalIn p5

Who changed what in which revision?

UserRevisionLine numberNew contents of line
va009039 0:1ed23ab1345f 1 /*
va009039 0:1ed23ab1345f 2 * Copyright (C) 2009-2012 by Matthias Ringwald
va009039 0:1ed23ab1345f 3 *
va009039 0:1ed23ab1345f 4 * Redistribution and use in source and binary forms, with or without
va009039 0:1ed23ab1345f 5 * modification, are permitted provided that the following conditions
va009039 0:1ed23ab1345f 6 * are met:
va009039 0:1ed23ab1345f 7 *
va009039 0:1ed23ab1345f 8 * 1. Redistributions of source code must retain the above copyright
va009039 0:1ed23ab1345f 9 * notice, this list of conditions and the following disclaimer.
va009039 0:1ed23ab1345f 10 * 2. Redistributions in binary form must reproduce the above copyright
va009039 0:1ed23ab1345f 11 * notice, this list of conditions and the following disclaimer in the
va009039 0:1ed23ab1345f 12 * documentation and/or other materials provided with the distribution.
va009039 0:1ed23ab1345f 13 * 3. Neither the name of the copyright holders nor the names of
va009039 0:1ed23ab1345f 14 * contributors may be used to endorse or promote products derived
va009039 0:1ed23ab1345f 15 * from this software without specific prior written permission.
va009039 0:1ed23ab1345f 16 * 4. Any redistribution, use, or modification is done solely for
va009039 0:1ed23ab1345f 17 * personal benefit and not for any commercial purpose or for
va009039 0:1ed23ab1345f 18 * monetary gain.
va009039 0:1ed23ab1345f 19 *
va009039 0:1ed23ab1345f 20 * THIS SOFTWARE IS PROVIDED BY MATTHIAS RINGWALD AND CONTRIBUTORS
va009039 0:1ed23ab1345f 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
va009039 0:1ed23ab1345f 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
va009039 0:1ed23ab1345f 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
va009039 0:1ed23ab1345f 24 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
va009039 0:1ed23ab1345f 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
va009039 0:1ed23ab1345f 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
va009039 0:1ed23ab1345f 27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
va009039 0:1ed23ab1345f 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
va009039 0:1ed23ab1345f 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
va009039 0:1ed23ab1345f 30 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
va009039 0:1ed23ab1345f 31 * SUCH DAMAGE.
va009039 0:1ed23ab1345f 32 *
va009039 0:1ed23ab1345f 33 * Please inquire about commercial licensing options at btstack@ringwald.ch
va009039 0:1ed23ab1345f 34 *
va009039 0:1ed23ab1345f 35 */
va009039 0:1ed23ab1345f 36
va009039 0:1ed23ab1345f 37 /*
va009039 0:1ed23ab1345f 38 * RFCOMM.h
va009039 0:1ed23ab1345f 39 */
va009039 0:1ed23ab1345f 40
va009039 0:1ed23ab1345f 41 #include <btstack/btstack.h>
va009039 0:1ed23ab1345f 42 #include <btstack/utils.h>
va009039 0:1ed23ab1345f 43
va009039 0:1ed23ab1345f 44 #include <stdint.h>
va009039 0:1ed23ab1345f 45
va009039 0:1ed23ab1345f 46 #if defined __cplusplus
va009039 0:1ed23ab1345f 47 extern "C" {
va009039 0:1ed23ab1345f 48 #endif
va009039 0:1ed23ab1345f 49
va009039 0:1ed23ab1345f 50 void rfcomm_init(void);
va009039 0:1ed23ab1345f 51
va009039 0:1ed23ab1345f 52 // register packet handler
va009039 0:1ed23ab1345f 53 void rfcomm_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size);
va009039 0:1ed23ab1345f 54 void rfcomm_register_packet_handler(void (*handler)(void * connection, uint8_t packet_type,
va009039 0:1ed23ab1345f 55 uint16_t channel, uint8_t *packet, uint16_t size));
va009039 0:1ed23ab1345f 56
va009039 0:1ed23ab1345f 57 // BTstack Internal RFCOMM API
va009039 0:1ed23ab1345f 58 void rfcomm_create_channel_internal(void * connection, bd_addr_t *addr, uint8_t channel);
va009039 0:1ed23ab1345f 59 void rfcomm_create_channel_with_initial_credits_internal(void * connection, bd_addr_t *addr, uint8_t server_channel, uint8_t initial_credits);
va009039 0:1ed23ab1345f 60 void rfcomm_disconnect_internal(uint16_t rfcomm_cid);
va009039 0:1ed23ab1345f 61 void rfcomm_register_service_internal(void * connection, uint8_t channel, uint16_t max_frame_size);
va009039 0:1ed23ab1345f 62 void rfcomm_register_service_with_initial_credits_internal(void * connection, uint8_t channel, uint16_t max_frame_size, uint8_t initial_credits);
va009039 0:1ed23ab1345f 63 void rfcomm_unregister_service_internal(uint8_t service_channel);
va009039 0:1ed23ab1345f 64 void rfcomm_accept_connection_internal(uint16_t rfcomm_cid);
va009039 0:1ed23ab1345f 65 void rfcomm_decline_connection_internal(uint16_t rfcomm_cid);
va009039 0:1ed23ab1345f 66 void rfcomm_grant_credits(uint16_t rfcomm_cid, uint8_t credits);
va009039 0:1ed23ab1345f 67 int rfcomm_send_internal(uint16_t rfcomm_cid, uint8_t *data, uint16_t len);
va009039 0:1ed23ab1345f 68 void rfcomm_close_connection(void *connection);
va009039 0:1ed23ab1345f 69
va009039 0:1ed23ab1345f 70 #define UNLIMITED_INCOMING_CREDITS 0xff
va009039 0:1ed23ab1345f 71
va009039 0:1ed23ab1345f 72 // private structs
va009039 0:1ed23ab1345f 73 typedef enum {
va009039 0:1ed23ab1345f 74 RFCOMM_MULTIPLEXER_CLOSED = 1,
va009039 0:1ed23ab1345f 75 RFCOMM_MULTIPLEXER_W4_CONNECT, // outgoing
va009039 0:1ed23ab1345f 76 RFCOMM_MULTIPLEXER_SEND_SABM_0, // "
va009039 0:1ed23ab1345f 77 RFCOMM_MULTIPLEXER_W4_UA_0, // "
va009039 0:1ed23ab1345f 78 RFCOMM_MULTIPLEXER_W4_SABM_0, // incoming
va009039 0:1ed23ab1345f 79 RFCOMM_MULTIPLEXER_SEND_UA_0,
va009039 0:1ed23ab1345f 80 RFCOMM_MULTIPLEXER_OPEN,
va009039 0:1ed23ab1345f 81 RFCOMM_MULTIPLEXER_SEND_UA_0_AND_DISC
va009039 0:1ed23ab1345f 82 } RFCOMM_MULTIPLEXER_STATE;
va009039 0:1ed23ab1345f 83
va009039 0:1ed23ab1345f 84 typedef enum {
va009039 0:1ed23ab1345f 85 MULT_EV_READY_TO_SEND = 1,
va009039 0:1ed23ab1345f 86
va009039 0:1ed23ab1345f 87 } RFCOMM_MULTIPLEXER_EVENT;
va009039 0:1ed23ab1345f 88
va009039 0:1ed23ab1345f 89 typedef enum {
va009039 0:1ed23ab1345f 90 RFCOMM_CHANNEL_CLOSED = 1,
va009039 0:1ed23ab1345f 91 RFCOMM_CHANNEL_W4_MULTIPLEXER,
va009039 0:1ed23ab1345f 92 RFCOMM_CHANNEL_SEND_UIH_PN,
va009039 0:1ed23ab1345f 93 RFCOMM_CHANNEL_W4_PN_RSP,
va009039 0:1ed23ab1345f 94 RFCOMM_CHANNEL_SEND_SABM_W4_UA,
va009039 0:1ed23ab1345f 95 RFCOMM_CHANNEL_W4_UA,
va009039 0:1ed23ab1345f 96 RFCOMM_CHANNEL_INCOMING_SETUP,
va009039 0:1ed23ab1345f 97 RFCOMM_CHANNEL_DLC_SETUP,
va009039 0:1ed23ab1345f 98 RFCOMM_CHANNEL_OPEN,
va009039 0:1ed23ab1345f 99 RFCOMM_CHANNEL_SEND_UA_AFTER_DISC,
va009039 0:1ed23ab1345f 100 RFCOMM_CHANNEL_SEND_DISC,
va009039 0:1ed23ab1345f 101 RFCOMM_CHANNEL_SEND_DM,
va009039 0:1ed23ab1345f 102
va009039 0:1ed23ab1345f 103 } RFCOMM_CHANNEL_STATE;
va009039 0:1ed23ab1345f 104
va009039 0:1ed23ab1345f 105 typedef enum {
va009039 0:1ed23ab1345f 106 RFCOMM_CHANNEL_STATE_VAR_NONE = 0,
va009039 0:1ed23ab1345f 107 RFCOMM_CHANNEL_STATE_VAR_CLIENT_ACCEPTED = 1 << 0,
va009039 0:1ed23ab1345f 108 RFCOMM_CHANNEL_STATE_VAR_RCVD_PN = 1 << 1,
va009039 0:1ed23ab1345f 109 RFCOMM_CHANNEL_STATE_VAR_RCVD_RPN = 1 << 2,
va009039 0:1ed23ab1345f 110 RFCOMM_CHANNEL_STATE_VAR_RCVD_SABM = 1 << 3,
va009039 0:1ed23ab1345f 111
va009039 0:1ed23ab1345f 112 RFCOMM_CHANNEL_STATE_VAR_RCVD_MSC_CMD = 1 << 4,
va009039 0:1ed23ab1345f 113 RFCOMM_CHANNEL_STATE_VAR_RCVD_MSC_RSP = 1 << 5,
va009039 0:1ed23ab1345f 114 RFCOMM_CHANNEL_STATE_VAR_SEND_PN_RSP = 1 << 6,
va009039 0:1ed23ab1345f 115 RFCOMM_CHANNEL_STATE_VAR_SEND_RPN_INFO = 1 << 7,
va009039 0:1ed23ab1345f 116
va009039 0:1ed23ab1345f 117 RFCOMM_CHANNEL_STATE_VAR_SEND_RPN_RSP = 1 << 8,
va009039 0:1ed23ab1345f 118 RFCOMM_CHANNEL_STATE_VAR_SEND_UA = 1 << 9,
va009039 0:1ed23ab1345f 119 RFCOMM_CHANNEL_STATE_VAR_SEND_MSC_CMD = 1 << 10,
va009039 0:1ed23ab1345f 120 RFCOMM_CHANNEL_STATE_VAR_SEND_MSC_RSP = 1 << 11,
va009039 0:1ed23ab1345f 121
va009039 0:1ed23ab1345f 122 RFCOMM_CHANNEL_STATE_VAR_SEND_CREDITS = 1 << 12,
va009039 0:1ed23ab1345f 123 RFCOMM_CHANNEL_STATE_VAR_SENT_MSC_CMD = 1 << 13,
va009039 0:1ed23ab1345f 124 RFCOMM_CHANNEL_STATE_VAR_SENT_MSC_RSP = 1 << 14,
va009039 0:1ed23ab1345f 125 RFCOMM_CHANNEL_STATE_VAR_SENT_CREDITS = 1 << 15,
va009039 0:1ed23ab1345f 126 } RFCOMM_CHANNEL_STATE_VAR;
va009039 0:1ed23ab1345f 127
va009039 0:1ed23ab1345f 128 typedef enum {
va009039 0:1ed23ab1345f 129 CH_EVT_RCVD_SABM = 1,
va009039 0:1ed23ab1345f 130 CH_EVT_RCVD_UA,
va009039 0:1ed23ab1345f 131 CH_EVT_RCVD_PN,
va009039 0:1ed23ab1345f 132 CH_EVT_RCVD_PN_RSP,
va009039 0:1ed23ab1345f 133 CH_EVT_RCVD_DISC,
va009039 0:1ed23ab1345f 134 CH_EVT_RCVD_DM,
va009039 0:1ed23ab1345f 135 CH_EVT_RCVD_MSC_CMD,
va009039 0:1ed23ab1345f 136 CH_EVT_RCVD_MSC_RSP,
va009039 0:1ed23ab1345f 137 CH_EVT_RCVD_RPN_CMD,
va009039 0:1ed23ab1345f 138 CH_EVT_RCVD_RPN_REQ,
va009039 0:1ed23ab1345f 139 CH_EVT_RCVD_CREDITS,
va009039 0:1ed23ab1345f 140 CH_EVT_MULTIPLEXER_READY,
va009039 0:1ed23ab1345f 141 CH_EVT_READY_TO_SEND,
va009039 0:1ed23ab1345f 142 } RFCOMM_CHANNEL_EVENT;
va009039 0:1ed23ab1345f 143
va009039 0:1ed23ab1345f 144 typedef struct rfcomm_channel_event {
va009039 0:1ed23ab1345f 145 RFCOMM_CHANNEL_EVENT type;
va009039 0:1ed23ab1345f 146 } rfcomm_channel_event_t;
va009039 0:1ed23ab1345f 147
va009039 0:1ed23ab1345f 148 typedef struct rfcomm_channel_event_pn {
va009039 0:1ed23ab1345f 149 rfcomm_channel_event_t super;
va009039 0:1ed23ab1345f 150 uint16_t max_frame_size;
va009039 0:1ed23ab1345f 151 uint8_t priority;
va009039 0:1ed23ab1345f 152 uint8_t credits_outgoing;
va009039 0:1ed23ab1345f 153 } rfcomm_channel_event_pn_t;
va009039 0:1ed23ab1345f 154
va009039 0:1ed23ab1345f 155 typedef struct rfcomm_rpn_data {
va009039 0:1ed23ab1345f 156 uint8_t baud_rate;
va009039 0:1ed23ab1345f 157 uint8_t flags;
va009039 0:1ed23ab1345f 158 uint8_t flow_control;
va009039 0:1ed23ab1345f 159 uint8_t xon;
va009039 0:1ed23ab1345f 160 uint8_t xoff;
va009039 0:1ed23ab1345f 161 uint8_t parameter_mask_0; // first byte
va009039 0:1ed23ab1345f 162 uint8_t parameter_mask_1; // second byte
va009039 0:1ed23ab1345f 163 } rfcomm_rpn_data_t;
va009039 0:1ed23ab1345f 164
va009039 0:1ed23ab1345f 165 typedef struct rfcomm_channel_event_rpn {
va009039 0:1ed23ab1345f 166 rfcomm_channel_event_t super;
va009039 0:1ed23ab1345f 167 rfcomm_rpn_data_t data;
va009039 0:1ed23ab1345f 168 } rfcomm_channel_event_rpn_t;
va009039 0:1ed23ab1345f 169
va009039 0:1ed23ab1345f 170 // info regarding potential connections
va009039 0:1ed23ab1345f 171 typedef struct {
va009039 0:1ed23ab1345f 172 // linked list - assert: first field
va009039 0:1ed23ab1345f 173 linked_item_t item;
va009039 0:1ed23ab1345f 174
va009039 0:1ed23ab1345f 175 // server channel
va009039 0:1ed23ab1345f 176 uint8_t server_channel;
va009039 0:1ed23ab1345f 177
va009039 0:1ed23ab1345f 178 // incoming max frame size
va009039 0:1ed23ab1345f 179 uint16_t max_frame_size;
va009039 0:1ed23ab1345f 180
va009039 0:1ed23ab1345f 181 // use incoming flow control
va009039 0:1ed23ab1345f 182 uint8_t incoming_flow_control;
va009039 0:1ed23ab1345f 183
va009039 0:1ed23ab1345f 184 // initial incoming credits
va009039 0:1ed23ab1345f 185 uint8_t incoming_initial_credits;
va009039 0:1ed23ab1345f 186
va009039 0:1ed23ab1345f 187 // client connection
va009039 0:1ed23ab1345f 188 void *connection;
va009039 0:1ed23ab1345f 189
va009039 0:1ed23ab1345f 190 // internal connection
va009039 0:1ed23ab1345f 191 btstack_packet_handler_t packet_handler;
va009039 0:1ed23ab1345f 192
va009039 0:1ed23ab1345f 193 } rfcomm_service_t;
va009039 0:1ed23ab1345f 194
va009039 0:1ed23ab1345f 195 // info regarding multiplexer
va009039 0:1ed23ab1345f 196 // note: spec mandates single multplexer per device combination
va009039 0:1ed23ab1345f 197 typedef struct {
va009039 0:1ed23ab1345f 198 // linked list - assert: first field
va009039 0:1ed23ab1345f 199 linked_item_t item;
va009039 0:1ed23ab1345f 200
va009039 0:1ed23ab1345f 201 timer_source_t timer;
va009039 0:1ed23ab1345f 202 int timer_active;
va009039 0:1ed23ab1345f 203
todotani 1:6078e430af82 204 RFCOMM_MULTIPLEXER_STATE state;
va009039 0:1ed23ab1345f 205
va009039 0:1ed23ab1345f 206 uint16_t l2cap_cid;
va009039 0:1ed23ab1345f 207 uint8_t l2cap_credits;
va009039 0:1ed23ab1345f 208
va009039 0:1ed23ab1345f 209 bd_addr_t remote_addr;
va009039 0:1ed23ab1345f 210 hci_con_handle_t con_handle;
va009039 0:1ed23ab1345f 211
va009039 0:1ed23ab1345f 212 uint8_t outgoing;
va009039 0:1ed23ab1345f 213
va009039 0:1ed23ab1345f 214 // hack to deal with authentication failure only observed by remote side
va009039 0:1ed23ab1345f 215 uint8_t at_least_one_connection;
va009039 0:1ed23ab1345f 216
va009039 0:1ed23ab1345f 217 uint16_t max_frame_size;
va009039 0:1ed23ab1345f 218
va009039 0:1ed23ab1345f 219 // send DM for DLCI != 0
va009039 0:1ed23ab1345f 220 uint8_t send_dm_for_dlci;
va009039 0:1ed23ab1345f 221
va009039 0:1ed23ab1345f 222 } rfcomm_multiplexer_t;
va009039 0:1ed23ab1345f 223
va009039 0:1ed23ab1345f 224 // info regarding an actual coneection
va009039 0:1ed23ab1345f 225 typedef struct {
va009039 0:1ed23ab1345f 226 // linked list - assert: first field
va009039 0:1ed23ab1345f 227 linked_item_t item;
va009039 0:1ed23ab1345f 228
va009039 0:1ed23ab1345f 229 rfcomm_multiplexer_t *multiplexer;
va009039 0:1ed23ab1345f 230 uint16_t rfcomm_cid;
va009039 0:1ed23ab1345f 231 uint8_t outgoing;
va009039 0:1ed23ab1345f 232 uint8_t dlci;
va009039 0:1ed23ab1345f 233
va009039 0:1ed23ab1345f 234 // number of packets granted to client
va009039 0:1ed23ab1345f 235 uint8_t packets_granted;
va009039 0:1ed23ab1345f 236
va009039 0:1ed23ab1345f 237 // credits for outgoing traffic
va009039 0:1ed23ab1345f 238 uint8_t credits_outgoing;
va009039 0:1ed23ab1345f 239
va009039 0:1ed23ab1345f 240 // number of packets remote will be granted
va009039 0:1ed23ab1345f 241 uint8_t new_credits_incoming;
va009039 0:1ed23ab1345f 242
va009039 0:1ed23ab1345f 243 // credits for incoming traffic
va009039 0:1ed23ab1345f 244 uint8_t credits_incoming;
va009039 0:1ed23ab1345f 245
va009039 0:1ed23ab1345f 246 // use incoming flow control
va009039 0:1ed23ab1345f 247 uint8_t incoming_flow_control;
va009039 0:1ed23ab1345f 248
va009039 0:1ed23ab1345f 249 // channel state
va009039 0:1ed23ab1345f 250 RFCOMM_CHANNEL_STATE state;
va009039 0:1ed23ab1345f 251
va009039 0:1ed23ab1345f 252 // state variables used in RFCOMM_CHANNEL_INCOMING
va009039 0:1ed23ab1345f 253 RFCOMM_CHANNEL_STATE_VAR state_var;
va009039 0:1ed23ab1345f 254
va009039 0:1ed23ab1345f 255 // priority set by incoming side in PN
va009039 0:1ed23ab1345f 256 uint8_t pn_priority;
va009039 0:1ed23ab1345f 257
va009039 0:1ed23ab1345f 258 // negotiated frame size
va009039 0:1ed23ab1345f 259 uint16_t max_frame_size;
va009039 0:1ed23ab1345f 260
va009039 0:1ed23ab1345f 261 // rpn data
va009039 0:1ed23ab1345f 262 rfcomm_rpn_data_t rpn_data;
va009039 0:1ed23ab1345f 263
va009039 0:1ed23ab1345f 264 // server channel (see rfcomm_service_t) - NULL => outgoing channel
va009039 0:1ed23ab1345f 265 rfcomm_service_t * service;
va009039 0:1ed23ab1345f 266
va009039 0:1ed23ab1345f 267 // internal connection
va009039 0:1ed23ab1345f 268 btstack_packet_handler_t packet_handler;
va009039 0:1ed23ab1345f 269
va009039 0:1ed23ab1345f 270 // client connection
va009039 0:1ed23ab1345f 271 void * connection;
va009039 0:1ed23ab1345f 272
va009039 0:1ed23ab1345f 273 } rfcomm_channel_t;
va009039 0:1ed23ab1345f 274
va009039 0:1ed23ab1345f 275
va009039 0:1ed23ab1345f 276 #if defined __cplusplus
va009039 0:1ed23ab1345f 277 }
va009039 0:1ed23ab1345f 278 #endif