1 /* 2 * Copyright (C) 2014 BlueKitchen GmbH 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the copyright holders nor the names of 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 4. Any redistribution, use, or modification is done solely for 17 * personal benefit and not for any commercial purpose or for 18 * monetary gain. 19 * 20 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS 24 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 30 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * Please inquire about commercial licensing options at 34 * [email protected] 35 * 36 */ 37 38 /* 39 * l2cap_throughput.c 40 * 41 * Created by Matthias Ringwald on 7/14/09. 42 */ 43 44 #include <unistd.h> 45 #include <stdio.h> 46 #include <stdlib.h> 47 #include <string.h> 48 49 #include "btstack_client.h" 50 #include "btstack_run_loop_posix.h" 51 #include "hci_cmd.h" 52 53 #define PSM_TEST 0xdead 54 #define PACKET_SIZE 1000 55 56 int serverMode = 1; 57 bd_addr_t addr = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; 58 uint8_t packet[PACKET_SIZE]; 59 uint32_t counter = 0; 60 61 btstack_timer_source_t timer; 62 63 void update_packet(void){ 64 big_endian_store_32( packet, 0, counter++); 65 } 66 67 void prepare_packet(void){ 68 int i; 69 counter = 0; 70 big_endian_store_32( packet, 0, 0); 71 for (i=4;i<PACKET_SIZE;i++) 72 packet[i] = i-4; 73 } 74 void timer_handler(struct btstack_timer_source *ts){ 75 bt_send_cmd(&hci_read_bd_addr); 76 btstack_run_loop_set_timer(&timer, 3000); 77 btstack_run_loop_add_timer(&timer); 78 }; 79 80 void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 81 82 bd_addr_t event_addr; 83 hci_con_handle_t con_handle; 84 uint16_t psm; 85 uint16_t local_cid; 86 char pin[20]; 87 int i; 88 89 switch (packet_type) { 90 91 case L2CAP_DATA_PACKET: 92 // measure data rate 93 break; 94 95 case HCI_EVENT_PACKET: 96 97 switch (hci_event_packet_get_type(packet)) { 98 99 case BTSTACK_EVENT_POWERON_FAILED: 100 printf("HCI Init failed - make sure you have turned off Bluetooth in the System Settings\n"); 101 exit(1); 102 break; 103 104 case BTSTACK_EVENT_STATE: 105 // bt stack activated, get started 106 if (btstack_event_state_get_state(packet) == HCI_STATE_WORKING){ 107 if (serverMode) { 108 printf("Waiting for incoming L2CAP connection on PSM %04x...\n", PSM_TEST); 109 timer.process = timer_handler; 110 btstack_run_loop_set_timer(&timer, 3000); 111 // btstack_run_loop_add_timer(&timer); 112 } else { 113 bt_send_cmd(&hci_write_class_of_device, 0x38010c); 114 } 115 } 116 break; 117 118 case HCI_EVENT_COMMAND_COMPLETE: 119 // use pairing yes/no 120 if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_write_class_of_device)) { 121 bt_send_cmd(&l2cap_create_channel_mtu_cmd, addr, PSM_TEST, PACKET_SIZE); 122 } 123 break; 124 125 case L2CAP_EVENT_INCOMING_CONNECTION: 126 l2cap_event_incoming_connection_get_address(packet, event_addr); 127 con_handle = l2cap_event_incoming_connection_get_handle(packet); 128 psm = l2cap_event_incoming_connection_get_psm(packet); 129 local_cid = l2cap_event_incoming_connection_get_local_cid(packet); 130 printf("L2CAP_EVENT_INCOMING_CONNECTION %s, handle 0x%02x, psm 0x%02x, local cid 0x%02x, remote cid 0x%02x\n", 131 bd_addr_to_str(event_addr), con_handle, psm, local_cid, l2cap_event_incoming_connection_get_remote_cid(packet)); 132 133 // accept 134 bt_send_cmd(&l2cap_accept_connection_cmd, local_cid); 135 break; 136 137 case HCI_EVENT_LINK_KEY_REQUEST: 138 // link key request 139 hci_event_link_key_request_get_bd_addr(packet, event_addr); 140 bt_send_cmd(&hci_link_key_request_negative_reply, &event_addr); 141 break; 142 143 case HCI_EVENT_PIN_CODE_REQUEST: 144 // inform about pin code request 145 printf("Please enter PIN here: "); 146 fgets(pin, 20, stdin); 147 i = strlen(pin); 148 if( pin[i-1] == '\n' || pin[i-1] == '\r') { 149 pin[i-1] = '\0'; 150 i--; 151 } 152 printf("PIN (%u)= '%s'\n", i, pin); 153 hci_event_pin_code_request_get_bd_addr(packet, event_addr); 154 bt_send_cmd(&hci_pin_code_request_reply, &event_addr, i, pin); 155 break; 156 157 case L2CAP_EVENT_CHANNEL_OPENED: 158 // inform about new l2cap connection 159 l2cap_event_channel_opened_get_address(packet, event_addr); 160 161 if (l2cap_event_channel_opened_get_status(packet)){ 162 printf("L2CAP connection to device %s failed. status code %u\n", 163 bd_addr_to_str(event_addr), l2cap_event_channel_opened_get_status(packet)); 164 exit(1); 165 } 166 167 psm = little_endian_read_16(packet, 11); 168 local_cid = little_endian_read_16(packet, 13); 169 con_handle = little_endian_read_16(packet, 9); 170 printf("Channel successfully opened: %s, handle 0x%02x, psm 0x%02x, local cid 0x%02x, remote cid 0x%02x\n", 171 bd_addr_to_str(event_addr), con_handle, psm, local_cid, l2cap_event_channel_opened_get_remote_cid(packet)); 172 173 break; 174 175 case HCI_EVENT_DISCONNECTION_COMPLETE: 176 printf("Basebank connection closed\n"); 177 break; 178 179 case DAEMON_EVENT_L2CAP_CREDITS: 180 if (!serverMode) { 181 // can send! (assuming single credits are handet out) 182 update_packet(); 183 local_cid = little_endian_read_16(packet, 2); 184 bt_send_l2cap( local_cid, packet, PACKET_SIZE); 185 } 186 break; 187 188 default: 189 // other event 190 break; 191 } 192 break; 193 194 default: 195 // other packet type 196 break; 197 } 198 } 199 int main (int argc, const char * argv[]){ 200 // handle remote addr 201 if (argc > 1){ 202 if (sscanf_bd_addr(argv[1], addr)){ 203 serverMode = 0; 204 prepare_packet(); 205 } 206 } 207 208 btstack_run_loop_init(btstack_run_loop_posix_get_instance()); 209 int err = bt_open(); 210 if (err) { 211 printf("Failed to open connection to BTdaemon\n"); 212 return err; 213 } 214 bt_register_packet_handler(packet_handler); 215 bt_send_cmd(&l2cap_register_service_cmd, PSM_TEST, PACKET_SIZE); 216 bt_send_cmd(&btstack_set_power_mode, HCI_POWER_ON ); 217 218 // banner 219 printf("L2CAP Throughput Test (compatible with Apple's Bluetooth Explorer)\n"); 220 if (serverMode) { 221 printf(" * Running in Server mode. For client mode, specify remote addr 11:22:33:44:55:66\n"); 222 } 223 printf(" * MTU: 1000 bytes\n"); 224 225 btstack_run_loop_execute(); 226 bt_close(); 227 return 0; 228 } 229