Norimasa Okamoto / Mbed 2 deprecated BTstack

BTstack Bluetooth stack

Dependencies:   mbed USBHost

USBホストライブラリを変更しました。

  • Bluetoothマウス(VGP-BMS33)での動作を確認しました。mouse_demo.cpp

spp_demo.cpp@0:1ed23ab1345f, 2012-06-26 (annotated)

Committer:
va009039
Date:
Tue Jun 26 14:27:45 2012 +0000
Revision:
0:1ed23ab1345f
Child:
1:b657594559be
fix overflow spp_service_buffer

Who changed what in which revision?

UserRevisionLine numberNew contents of line
va009039 0:1ed23ab1345f 1 #if 1
va009039 0:1ed23ab1345f 2 /*
va009039 0:1ed23ab1345f 3 * spp_demo
va009039 0:1ed23ab1345f 4 */
va009039 0:1ed23ab1345f 5 #include "mbed.h"
va009039 0:1ed23ab1345f 6 #include <btstack/hci_cmds.h>
va009039 0:1ed23ab1345f 7 #include <btstack/run_loop.h>
va009039 0:1ed23ab1345f 8 #include <btstack/sdp_util.h>
va009039 0:1ed23ab1345f 9 #include "hci.h"
va009039 0:1ed23ab1345f 10 #include "l2cap.h"
va009039 0:1ed23ab1345f 11 #include "btstack_memory.h"
va009039 0:1ed23ab1345f 12 #include "remote_device_db.h"
va009039 0:1ed23ab1345f 13 #include "rfcomm.h"
va009039 0:1ed23ab1345f 14 #include "sdp.h"
va009039 0:1ed23ab1345f 15 #include "config.h"
va009039 0:1ed23ab1345f 16 #include "debug.h"
va009039 0:1ed23ab1345f 17 #include "bd_addr.h" // class bd_addr
va009039 0:1ed23ab1345f 18
va009039 0:1ed23ab1345f 19 Serial pc(USBTX, USBRX);
va009039 0:1ed23ab1345f 20 DigitalOut led1(LED1), led2(LED2), led3(LED3);
va009039 0:1ed23ab1345f 21
va009039 0:1ed23ab1345f 22 #define HEARTBEAT_PERIOD_MS 500
va009039 0:1ed23ab1345f 23
va009039 0:1ed23ab1345f 24 static uint8_t rfcomm_channel_nr = 1;
va009039 0:1ed23ab1345f 25 static uint16_t rfcomm_channel_id = 0;
va009039 0:1ed23ab1345f 26 static uint8_t spp_service_buffer[128];
va009039 0:1ed23ab1345f 27
va009039 0:1ed23ab1345f 28 // Bluetooth logic
va009039 0:1ed23ab1345f 29 static void packet_handler (void * connection, uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
va009039 0:1ed23ab1345f 30 bd_addr_t event_addr;
va009039 0:1ed23ab1345f 31 uint8_t rfcomm_channel_nr;
va009039 0:1ed23ab1345f 32 uint16_t mtu;
va009039 0:1ed23ab1345f 33 int err;
va009039 0:1ed23ab1345f 34 switch (packet_type) {
va009039 0:1ed23ab1345f 35 case HCI_EVENT_PACKET:
va009039 0:1ed23ab1345f 36 switch (packet[0]) {
va009039 0:1ed23ab1345f 37
va009039 0:1ed23ab1345f 38 case BTSTACK_EVENT_STATE:
va009039 0:1ed23ab1345f 39 // bt stack activated, get started - set local name
va009039 0:1ed23ab1345f 40 if (packet[2] == HCI_STATE_WORKING) {
va009039 0:1ed23ab1345f 41 hci_send_cmd(&hci_write_local_name, "mbed");
va009039 0:1ed23ab1345f 42 }
va009039 0:1ed23ab1345f 43 break;
va009039 0:1ed23ab1345f 44
va009039 0:1ed23ab1345f 45 case HCI_EVENT_COMMAND_COMPLETE:
va009039 0:1ed23ab1345f 46 if (COMMAND_COMPLETE_EVENT(packet, hci_read_bd_addr)){
va009039 0:1ed23ab1345f 47 bt_flip_addr(event_addr, &packet[6]);
va009039 0:1ed23ab1345f 48 log_info("BD-ADDR: %s\n\r", bd_addr_to_str(event_addr));
va009039 0:1ed23ab1345f 49 break;
va009039 0:1ed23ab1345f 50 }
va009039 0:1ed23ab1345f 51 if (COMMAND_COMPLETE_EVENT(packet, hci_write_local_name)){
va009039 0:1ed23ab1345f 52 hci_discoverable_control(1);
va009039 0:1ed23ab1345f 53 break;
va009039 0:1ed23ab1345f 54 }
va009039 0:1ed23ab1345f 55 break;
va009039 0:1ed23ab1345f 56
va009039 0:1ed23ab1345f 57 case HCI_EVENT_LINK_KEY_REQUEST:
va009039 0:1ed23ab1345f 58 // deny link key request
va009039 0:1ed23ab1345f 59 log_info("Link key request\n\r");
va009039 0:1ed23ab1345f 60 bt_flip_addr(event_addr, &packet[2]);
va009039 0:1ed23ab1345f 61 hci_send_cmd(&hci_link_key_request_negative_reply, &event_addr);
va009039 0:1ed23ab1345f 62 break;
va009039 0:1ed23ab1345f 63
va009039 0:1ed23ab1345f 64 case HCI_EVENT_PIN_CODE_REQUEST:
va009039 0:1ed23ab1345f 65 // inform about pin code request
va009039 0:1ed23ab1345f 66 log_info("Pin code request - using '0000'\n\r");
va009039 0:1ed23ab1345f 67 bt_flip_addr(event_addr, &packet[2]);
va009039 0:1ed23ab1345f 68 hci_send_cmd(&hci_pin_code_request_reply, &event_addr, 4, "0000");
va009039 0:1ed23ab1345f 69 break;
va009039 0:1ed23ab1345f 70
va009039 0:1ed23ab1345f 71 case RFCOMM_EVENT_INCOMING_CONNECTION:
va009039 0:1ed23ab1345f 72 // data: event (8), len(8), address(48), channel (8), rfcomm_cid (16)
va009039 0:1ed23ab1345f 73 bt_flip_addr(event_addr, &packet[2]);
va009039 0:1ed23ab1345f 74 rfcomm_channel_nr = packet[8];
va009039 0:1ed23ab1345f 75 rfcomm_channel_id = READ_BT_16(packet, 9);
va009039 0:1ed23ab1345f 76 log_info("RFCOMM channel %u requested for %s\n\r", rfcomm_channel_nr, bd_addr_to_str(event_addr));
va009039 0:1ed23ab1345f 77 rfcomm_accept_connection_internal(rfcomm_channel_id);
va009039 0:1ed23ab1345f 78 break;
va009039 0:1ed23ab1345f 79
va009039 0:1ed23ab1345f 80 case RFCOMM_EVENT_OPEN_CHANNEL_COMPLETE:
va009039 0:1ed23ab1345f 81 // data: event(8), len(8), status (8), address (48), server channel(8), rfcomm_cid(16), max frame size(16)
va009039 0:1ed23ab1345f 82 if (packet[2]) {
va009039 0:1ed23ab1345f 83 log_info("RFCOMM channel open failed, status %u\n\r", packet[2]);
va009039 0:1ed23ab1345f 84 } else {
va009039 0:1ed23ab1345f 85 rfcomm_channel_id = READ_BT_16(packet, 12);
va009039 0:1ed23ab1345f 86 mtu = READ_BT_16(packet, 14);
va009039 0:1ed23ab1345f 87 log_info("\n\rRFCOMM channel open succeeded. New RFCOMM Channel ID %u, max frame size %u\n\r", rfcomm_channel_id, mtu);
va009039 0:1ed23ab1345f 88 }
va009039 0:1ed23ab1345f 89 break;
va009039 0:1ed23ab1345f 90
va009039 0:1ed23ab1345f 91 case RFCOMM_EVENT_CHANNEL_CLOSED:
va009039 0:1ed23ab1345f 92 rfcomm_channel_id = 0;
va009039 0:1ed23ab1345f 93 break;
va009039 0:1ed23ab1345f 94
va009039 0:1ed23ab1345f 95 default:
va009039 0:1ed23ab1345f 96 break;
va009039 0:1ed23ab1345f 97 }
va009039 0:1ed23ab1345f 98 break;
va009039 0:1ed23ab1345f 99
va009039 0:1ed23ab1345f 100 case RFCOMM_DATA_PACKET:
va009039 0:1ed23ab1345f 101 // loopback
va009039 0:1ed23ab1345f 102 if (rfcomm_channel_id) {
va009039 0:1ed23ab1345f 103 err = rfcomm_send_internal(rfcomm_channel_id, packet, size);
va009039 0:1ed23ab1345f 104 if (err) {
va009039 0:1ed23ab1345f 105 log_info("rfcomm_send_internal -> error %d", err);
va009039 0:1ed23ab1345f 106 }
va009039 0:1ed23ab1345f 107 }
va009039 0:1ed23ab1345f 108 led3 = !led3;
va009039 0:1ed23ab1345f 109 break;
va009039 0:1ed23ab1345f 110 default:
va009039 0:1ed23ab1345f 111 break;
va009039 0:1ed23ab1345f 112 }
va009039 0:1ed23ab1345f 113 }
va009039 0:1ed23ab1345f 114
va009039 0:1ed23ab1345f 115 static void heartbeat_handler(struct timer *ts){
va009039 0:1ed23ab1345f 116 run_loop_set_timer(ts, HEARTBEAT_PERIOD_MS);
va009039 0:1ed23ab1345f 117 run_loop_add_timer(ts);
va009039 0:1ed23ab1345f 118 led2 = !led2;
va009039 0:1ed23ab1345f 119 }
va009039 0:1ed23ab1345f 120
va009039 0:1ed23ab1345f 121 // main
va009039 0:1ed23ab1345f 122 int main(void)
va009039 0:1ed23ab1345f 123 {
va009039 0:1ed23ab1345f 124 pc.baud(921600);
va009039 0:1ed23ab1345f 125 log_info("%s\n", __FILE__);
va009039 0:1ed23ab1345f 126
va009039 0:1ed23ab1345f 127 // init LEDs
va009039 0:1ed23ab1345f 128 led1 = led2 = led3 = 1;
va009039 0:1ed23ab1345f 129
va009039 0:1ed23ab1345f 130 /// GET STARTED with BTstack ///
va009039 0:1ed23ab1345f 131 btstack_memory_init();
va009039 0:1ed23ab1345f 132 run_loop_init(RUN_LOOP_EMBEDDED);
va009039 0:1ed23ab1345f 133
va009039 0:1ed23ab1345f 134 // init HCI
va009039 0:1ed23ab1345f 135 hci_transport_t* transport = hci_transport_usb_instance();
va009039 0:1ed23ab1345f 136 remote_device_db_t * remote_db = (remote_device_db_t *) &remote_device_db_memory;
va009039 0:1ed23ab1345f 137 hci_init(transport, NULL, NULL, remote_db);
va009039 0:1ed23ab1345f 138
va009039 0:1ed23ab1345f 139 // init L2CAP
va009039 0:1ed23ab1345f 140 l2cap_init();
va009039 0:1ed23ab1345f 141 l2cap_register_packet_handler(packet_handler);
va009039 0:1ed23ab1345f 142
va009039 0:1ed23ab1345f 143 // init RFCOMM
va009039 0:1ed23ab1345f 144 rfcomm_init();
va009039 0:1ed23ab1345f 145 rfcomm_register_packet_handler(packet_handler);
va009039 0:1ed23ab1345f 146 rfcomm_register_service_internal(NULL, rfcomm_channel_nr, 100); // reserved channel, mtu=100
va009039 0:1ed23ab1345f 147
va009039 0:1ed23ab1345f 148 // init SDP, create record for SPP and register with SDP
va009039 0:1ed23ab1345f 149 sdp_init();
va009039 0:1ed23ab1345f 150 memset(spp_service_buffer, 0, sizeof(spp_service_buffer));
va009039 0:1ed23ab1345f 151 service_record_item_t * service_record_item = (service_record_item_t *) spp_service_buffer;
va009039 0:1ed23ab1345f 152 sdp_create_spp_service( (uint8_t*) &service_record_item->service_record, 1, "loopback");
va009039 0:1ed23ab1345f 153 log_info("SDP service buffer size: %u\n\r", (uint16_t) (sizeof(service_record_item_t) + de_get_len((uint8_t*) &service_record_item->service_record)));
va009039 0:1ed23ab1345f 154 sdp_register_service_internal(NULL, service_record_item);
va009039 0:1ed23ab1345f 155
va009039 0:1ed23ab1345f 156 // set one-shot timer
va009039 0:1ed23ab1345f 157 timer_source_t heartbeat;
va009039 0:1ed23ab1345f 158 heartbeat.process = &heartbeat_handler;
va009039 0:1ed23ab1345f 159 run_loop_set_timer(&heartbeat, HEARTBEAT_PERIOD_MS);
va009039 0:1ed23ab1345f 160 run_loop_add_timer(&heartbeat);
va009039 0:1ed23ab1345f 161
va009039 0:1ed23ab1345f 162 log_info("SPP loopback demo...\n\r");
va009039 0:1ed23ab1345f 163
va009039 0:1ed23ab1345f 164 // turn on!
va009039 0:1ed23ab1345f 165 hci_power_control(HCI_POWER_ON);
va009039 0:1ed23ab1345f 166
va009039 0:1ed23ab1345f 167 // go!
va009039 0:1ed23ab1345f 168 run_loop_execute();
va009039 0:1ed23ab1345f 169
va009039 0:1ed23ab1345f 170 return 0;
va009039 0:1ed23ab1345f 171 }
va009039 0:1ed23ab1345f 172 #endif