示例#1
0
文件: inquiry.c 项目: sristi194/uubt
static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
//static void packet_handler (uint8_t packet_type, uint8_t *packet, uint16_t size){
	bd_addr_t addr;
	int i;
	int numResponses;
	
	// printf("packet_handler: pt: 0x%02x, packet[0]: 0x%02x\n", packet_type, packet[0]);
	if (packet_type != HCI_EVENT_PACKET) return;

	uint8_t event = packet[0];

	switch(state){

		case INIT: 
			if (packet[2] == HCI_STATE_WORKING) {
				bt_send_cmd(&hci_write_inquiry_mode, 0x01); // with RSSI
				state = W4_INQUIRY_MODE_COMPLETE;
			}
			break;

		case W4_INQUIRY_MODE_COMPLETE:
			switch(event){
				case HCI_EVENT_COMMAND_COMPLETE:
					if ( COMMAND_COMPLETE_EVENT(packet, hci_write_inquiry_mode) ) {
						start_scan();
						state = ACTIVE;
					}
					break;
				case HCI_EVENT_COMMAND_STATUS:
					if ( COMMAND_STATUS_EVENT(packet, hci_write_inquiry_mode) ) {
						printf("Ignoring error (0x%x) from hci_write_inquiry_mode.\n", packet[2]);
						start_scan();
						state = ACTIVE;
					}
					break;
				default:
					break;
			}

			break;
			
		case ACTIVE:
			switch(event){
				case HCI_EVENT_INQUIRY_RESULT:
				case HCI_EVENT_INQUIRY_RESULT_WITH_RSSI:
					numResponses = packet[2];
					for (i=0; i<numResponses && deviceCount < MAX_DEVICES;i++){
						bt_flip_addr(addr, &packet[3+i*6]);
						int index = getDeviceIndexForAddress(addr);
						if (index >= 0) continue;
						memcpy(devices[deviceCount].address, addr, 6);
						devices[deviceCount].pageScanRepetitionMode =   packet [3 + numResponses*(6)         + i*1];
						if (event == HCI_EVENT_INQUIRY_RESULT){
							devices[deviceCount].classOfDevice = READ_BT_24(packet, 3 + numResponses*(6+1+1+1)   + i*3);
							devices[deviceCount].clockOffset =   READ_BT_16(packet, 3 + numResponses*(6+1+1+1+3) + i*2) & 0x7fff;
							devices[deviceCount].rssi  = 0;
						} else {
							devices[deviceCount].classOfDevice = READ_BT_24(packet, 3 + numResponses*(6+1+1)     + i*3);
							devices[deviceCount].clockOffset =   READ_BT_16(packet, 3 + numResponses*(6+1+1+3)   + i*2) & 0x7fff;
							devices[deviceCount].rssi  =                    packet [3 + numResponses*(6+1+1+3+2) + i*1];
						}
						devices[deviceCount].state = REMOTE_NAME_REQUEST;
						printf("Device found: %s with COD: 0x%06x, pageScan %u, clock offset 0x%04x, rssi 0x%02x\n", bd_addr_to_str(addr),
				                devices[deviceCount].classOfDevice, devices[deviceCount].pageScanRepetitionMode,
				                devices[deviceCount].clockOffset, devices[deviceCount].rssi);
						deviceCount++;
					}
					break;
					
				case HCI_EVENT_INQUIRY_COMPLETE:
					for (i=0;i<deviceCount;i++) {
						// retry remote name request
						if (devices[i].state == REMOTE_NAME_INQUIRED)
							devices[i].state = REMOTE_NAME_REQUEST;
					}
					if (has_more_remote_name_requests()){
						do_next_remote_name_request();
						break;
					} 
					start_scan();
					break;

				case BTSTACK_EVENT_REMOTE_NAME_CACHED:
					bt_flip_addr(addr, &packet[3]);
					printf("Cached remote name for %s: '%s'\n", bd_addr_to_str(addr), &packet[9]);
					break;

				case HCI_EVENT_REMOTE_NAME_REQUEST_COMPLETE:
					bt_flip_addr(addr, &packet[3]);
					int index = getDeviceIndexForAddress(addr);
					if (index >= 0) {
						if (packet[2] == 0) {
							printf("Name: '%s'\n", &packet[9]);
							devices[index].state = REMOTE_NAME_FETCHED;
						} else {
							printf("Failed to get name: page timeout\n");
						}
					}
					if (has_more_remote_name_requests()){
						do_next_remote_name_request();
						break;
					} 
					start_scan();
					break;

				default:
					break;
			}
			break;
			
		default:
			break;
	}
}
示例#2
0
static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
    UNUSED(channel);
    UNUSED(size);

    bd_addr_t addr;
    int i;
    int index;
    
    if (packet_type != HCI_EVENT_PACKET) return;

    uint8_t event = hci_event_packet_get_type(packet);

    switch(state){ 
        /* @text In INIT, an inquiry  scan is started, and the application transits to 
         * ACTIVE state.
         */
        case INIT:
            switch(event){
                case BTSTACK_EVENT_STATE:
                    if (btstack_event_state_get_state(packet) == HCI_STATE_WORKING){
                        start_scan();
                        state = ACTIVE;
                    }
                    break;
                default:
                    break;
            }
            break;

        /* @text In ACTIVE, the following events are processed:
         *  - GAP Inquiry result event: BTstack provides a unified inquiry result that contain
         *    Class of Device (CoD), page scan mode, clock offset. RSSI and name (from EIR) are optional.
         *  - Inquiry complete event: the remote name is requested for devices without a fetched 
         *    name. The state of a remote name can be one of the following: 
         *    REMOTE_NAME_REQUEST, REMOTE_NAME_INQUIRED, or REMOTE_NAME_FETCHED.
         *  - Remote name request complete event: the remote name is stored in the table and the 
         *    state is updated to REMOTE_NAME_FETCHED. The query of remote names is continued.
         */
        case ACTIVE:
            switch(event){

                case GAP_EVENT_INQUIRY_RESULT:
                    if (deviceCount >= MAX_DEVICES) break;  // already full
                    gap_event_inquiry_result_get_bd_addr(packet, addr);
                    index = getDeviceIndexForAddress(addr);
                    if (index >= 0) break;   // already in our list

                    memcpy(devices[deviceCount].address, addr, 6);
                    devices[deviceCount].pageScanRepetitionMode = gap_event_inquiry_result_get_page_scan_repetition_mode(packet);
                    devices[deviceCount].clockOffset = gap_event_inquiry_result_get_clock_offset(packet);
                    // print info
                    printf("Device found: %s ",  bd_addr_to_str(addr));
                    printf("with COD: 0x%06x, ", (unsigned int) gap_event_inquiry_result_get_class_of_device(packet));
                    printf("pageScan %d, ",      devices[deviceCount].pageScanRepetitionMode);
                    printf("clock offset 0x%04x",devices[deviceCount].clockOffset);
                    if (gap_event_inquiry_result_get_rssi_available(packet)){
                        printf(", rssi %d dBm", (int8_t) gap_event_inquiry_result_get_rssi(packet));
                    }
                    if (gap_event_inquiry_result_get_name_available(packet)){
                        char name_buffer[240];
                        int name_len = gap_event_inquiry_result_get_name_len(packet);
                        memcpy(name_buffer, gap_event_inquiry_result_get_name(packet), name_len);
                        name_buffer[name_len] = 0;
                        printf(", name '%s'", name_buffer);
                        devices[deviceCount].state = REMOTE_NAME_FETCHED;;
                    } else {
                        devices[deviceCount].state = REMOTE_NAME_REQUEST;
                    }
                    printf("\n");
                    deviceCount++;
                    break;

                case GAP_EVENT_INQUIRY_COMPLETE:
                    for (i=0;i<deviceCount;i++) {
                        // retry remote name request
                        if (devices[i].state == REMOTE_NAME_INQUIRED)
                            devices[i].state = REMOTE_NAME_REQUEST;
                    }
                    continue_remote_names();
                    break;

                case HCI_EVENT_REMOTE_NAME_REQUEST_COMPLETE:
                    reverse_bd_addr(&packet[3], addr);
                    index = getDeviceIndexForAddress(addr);
                    if (index >= 0) {
                        if (packet[2] == 0) {
                            printf("Name: '%s'\n", &packet[9]);
                            devices[index].state = REMOTE_NAME_FETCHED;
                        } else {
                            printf("Failed to get name: page timeout\n");
                        }
                    }
                    continue_remote_names();
                    break;

                default:
                    break;
            }
            break;
            
        default:
            break;
    }
}
示例#3
0
static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
//static void packet_handler (uint8_t packet_type, uint8_t *packet, uint16_t size){
	bd_addr_t addr;
	int i;
	int index;
	int numResponses;
	
	// printf("packet_handler: pt: 0x%02x, packet[0]: 0x%02x\n", packet_type, packet[0]);
	if (packet_type != HCI_EVENT_PACKET) return;

	uint8_t event = hci_event_packet_get_type(packet);

	switch(state){

		case INIT: 
			if (btstack_event_state_get_state(packet) == HCI_STATE_WORKING){
				bt_send_cmd(&hci_write_inquiry_mode, 0x01); // with RSSI
				state = W4_INQUIRY_MODE_COMPLETE;
			}
			break;

		case W4_INQUIRY_MODE_COMPLETE:
			switch(event){
				case HCI_EVENT_COMMAND_COMPLETE:
					if (HCI_EVENT_IS_COMMAND_COMPLETE(packet, hci_write_inquiry_mode)) {
						start_scan();
						state = ACTIVE;
					}
					break;
				case HCI_EVENT_COMMAND_STATUS:
					if (HCI_EVENT_IS_COMMAND_STATUS(packet, hci_write_inquiry_mode)) {
						printf("Ignoring error (0x%x) from hci_write_inquiry_mode.\n", packet[2]);
						start_scan();
						state = ACTIVE;
					}
					break;
				default:
					break;
			}

			break;
			
		case ACTIVE:
			switch(event){
				case HCI_EVENT_INQUIRY_RESULT:
				case HCI_EVENT_INQUIRY_RESULT_WITH_RSSI:{
                    numResponses = hci_event_inquiry_result_get_num_responses(packet);
                    int offset = 3;
                    for (i=0; i<numResponses && deviceCount < MAX_DEVICES;i++){
                        reverse_bd_addr(&packet[offset], addr);
                        offset += 6;
                        index = getDeviceIndexForAddress(addr);
                        if (index >= 0) continue;   // already in our list
                        memcpy(devices[deviceCount].address, addr, 6);

                        devices[deviceCount].pageScanRepetitionMode = packet[offset];
                        offset += 1;

                        if (event == HCI_EVENT_INQUIRY_RESULT){
                            offset += 2; // Reserved + Reserved
                            devices[deviceCount].classOfDevice = little_endian_read_24(packet, offset);
                            offset += 3;
                            devices[deviceCount].clockOffset =   little_endian_read_16(packet, offset) & 0x7fff;
                            offset += 2;
                            devices[deviceCount].rssi  = 0;
                        } else {
                            offset += 1; // Reserved
                            devices[deviceCount].classOfDevice = little_endian_read_24(packet, offset);
                            offset += 3;
                            devices[deviceCount].clockOffset =   little_endian_read_16(packet, offset) & 0x7fff;
                            offset += 2;
                            devices[deviceCount].rssi  = packet[offset];
                            offset += 1;
                        }
                        devices[deviceCount].state = REMOTE_NAME_REQUEST;
                        printf("Device found: %s with COD: 0x%06x, pageScan %d, clock offset 0x%04x, rssi 0x%02x\n", bd_addr_to_str(addr),
                                devices[deviceCount].classOfDevice, devices[deviceCount].pageScanRepetitionMode,
                                devices[deviceCount].clockOffset, devices[deviceCount].rssi);
                        deviceCount++;
                    }

                    break;
                }
					
				case HCI_EVENT_INQUIRY_COMPLETE:
					for (i=0;i<deviceCount;i++) {
						// retry remote name request
						if (devices[i].state == REMOTE_NAME_INQUIRED)
							devices[i].state = REMOTE_NAME_REQUEST;
					}
					if (has_more_remote_name_requests()){
						do_next_remote_name_request();
						break;
					} 
					start_scan();
					break;

				case DAEMON_EVENT_REMOTE_NAME_CACHED:
					reverse_bd_addr(&packet[3], addr);
					printf("Cached remote name for %s: '%s'\n", bd_addr_to_str(addr), &packet[9]);
					break;

				case HCI_EVENT_REMOTE_NAME_REQUEST_COMPLETE:
					reverse_bd_addr(&packet[3], addr);
					index = getDeviceIndexForAddress(addr);
					if (index >= 0) {
						if (packet[2] == 0) {
							printf("Name: '%s'\n", &packet[9]);
							devices[index].state = REMOTE_NAME_FETCHED;
						} else {
							printf("Failed to get name: page timeout\n");
						}
					}
					if (has_more_remote_name_requests()){
						do_next_remote_name_request();
						break;
					} 
					start_scan();
					break;

				default:
					break;
			}
			break;
			
		default:
			break;
	}
}
示例#4
0
static void inquiry_packet_handler (uint8_t packet_type, uint8_t *packet, uint16_t size){
    bd_addr_t addr;
    int i;
    int numResponses;
    int index;

    // printf("packet_handler: pt: 0x%02x, packet[0]: 0x%02x\n", packet_type, packet[0]);
    if (packet_type != HCI_EVENT_PACKET) return;

    uint8_t event = packet[0];

    switch(event){
        case HCI_EVENT_INQUIRY_RESULT:
        case HCI_EVENT_INQUIRY_RESULT_WITH_RSSI:{
            numResponses = packet[2];
            int offset = 3;
            for (i=0; i<numResponses && deviceCount < MAX_DEVICES;i++){
                bt_flip_addr(addr, &packet[offset]);
                offset += 6;
                index = getDeviceIndexForAddress(addr);
                if (index >= 0) continue;   // already in our list
                memcpy(devices[deviceCount].address, addr, 6);

                devices[deviceCount].pageScanRepetitionMode = packet[offset];
                offset += 1;

                if (event == HCI_EVENT_INQUIRY_RESULT){
                    offset += 2; // Reserved + Reserved
                    devices[deviceCount].classOfDevice = READ_BT_24(packet, offset);
                    offset += 3;
                    devices[deviceCount].clockOffset =   READ_BT_16(packet, offset) & 0x7fff;
                    offset += 2;
                    devices[deviceCount].rssi  = 0;
                } else {
                    offset += 1; // Reserved
                    devices[deviceCount].classOfDevice = READ_BT_24(packet, offset);
                    offset += 3;
                    devices[deviceCount].clockOffset =   READ_BT_16(packet, offset) & 0x7fff;
                    offset += 2;
                    devices[deviceCount].rssi  = packet[offset];
                    offset += 1;
                }
                devices[deviceCount].state = REMOTE_NAME_REQUEST;
                printf("Device #%u found: %s with COD: 0x%06x, pageScan %d, clock offset 0x%04x, rssi 0x%02x\n",
                    deviceCount, bd_addr_to_str(addr),
                    devices[deviceCount].classOfDevice, devices[deviceCount].pageScanRepetitionMode,
                    devices[deviceCount].clockOffset, devices[deviceCount].rssi);
                deviceCount++;
            }

            break;
        }
        case HCI_EVENT_INQUIRY_COMPLETE:
            for (i=0;i<deviceCount;i++) {
                // retry remote name request
                if (devices[i].state == REMOTE_NAME_INQUIRED)
                    devices[i].state = REMOTE_NAME_REQUEST;
            }
            continue_remote_names();
            break;

        case BTSTACK_EVENT_REMOTE_NAME_CACHED:
            bt_flip_addr(addr, &packet[3]);
            printf("Cached remote name for %s: '%s'\n", bd_addr_to_str(addr), &packet[9]);
            break;

        case HCI_EVENT_REMOTE_NAME_REQUEST_COMPLETE:
            bt_flip_addr(addr, &packet[3]);
            index = getDeviceIndexForAddress(addr);
            if (index >= 0) {
                if (packet[2] == 0) {
                    printf("Name: '%s'\n", &packet[9]);
                    devices[index].state = REMOTE_NAME_FETCHED;
                } else {
                    printf("Failed to get name: page timeout\n");
                }
            }
            continue_remote_names();
            break;

        default:
            break;
    }
}
示例#5
0
static void packet_handler (uint8_t packet_type, uint8_t *packet, uint16_t size){
    bd_addr_t addr;
    int i;
    int numResponses;

    // printf("packet_handler: pt: 0x%02x, packet[0]: 0x%02x\n", packet_type, packet[0]);
    if (packet_type != HCI_EVENT_PACKET) return;

    uint8_t event = packet[0];

    switch(state){

        case INIT: 
            if (packet[2] == HCI_STATE_WORKING) {
                hci_send_cmd(&hci_write_inquiry_mode, 0x01); // with RSSI
                state = W4_INQUIRY_MODE_COMPLETE;
            }
            break;

        case W4_INQUIRY_MODE_COMPLETE:
            if ( COMMAND_COMPLETE_EVENT(packet, hci_write_inquiry_mode) ) {
                start_scan();
                state = ACTIVE;
            }
            break;
            
        case ACTIVE:
            switch(event){
                case HCI_EVENT_INQUIRY_RESULT:
                case HCI_EVENT_INQUIRY_RESULT_WITH_RSSI:{
                    numResponses = packet[2];
                    int offset = 3;
                    for (i=0; i<numResponses && deviceCount < MAX_DEVICES;i++){
                        bt_flip_addr(addr, &packet[offset]);
                        offset += 6;
                        int index = getDeviceIndexForAddress(addr);
                        if (index >= 0) continue;   // already in our list
                        memcpy(devices[deviceCount].address, addr, 6);

                        devices[deviceCount].pageScanRepetitionMode = packet[offset];
                        offset += 1;

                        if (event == HCI_EVENT_INQUIRY_RESULT){
                            offset += 2; // Reserved + Reserved
                            devices[deviceCount].classOfDevice = READ_BT_24(packet, offset);
                            offset += 3;
                            devices[deviceCount].clockOffset =   READ_BT_16(packet, offset) & 0x7fff;
                            offset += 2;
                            devices[deviceCount].rssi  = 0;
                        } else {
                            offset += 1; // Reserved
                            devices[deviceCount].classOfDevice = READ_BT_24(packet, offset);
                            offset += 3;
                            devices[deviceCount].clockOffset =   READ_BT_16(packet, offset) & 0x7fff;
                            offset += 2;
                            devices[deviceCount].rssi  = packet[offset];
                            offset += 1;
                        }
                        devices[deviceCount].state = BONDING_REQUEST;
                        printf("Device found: %s with COD: 0x%06x, pageScan %d, clock offset 0x%04x, rssi 0x%02x\n", bd_addr_to_str(addr),
                                devices[deviceCount].classOfDevice, devices[deviceCount].pageScanRepetitionMode,
                                devices[deviceCount].clockOffset, devices[deviceCount].rssi);
                        deviceCount++;
                    }

                    break;
                }   
                case HCI_EVENT_INQUIRY_COMPLETE:
                    continue_bonding();
                    break;

                case GAP_DEDICATED_BONDING_COMPLETED:
                    // data: event(8), len(8), status (8), bd_addr(48)
                    printf("GAP Dedicated Bonding Complete, status %u\n", packet[2]);
                    bt_flip_addr(addr, &packet[3]);
                    int index = getDeviceIndexForAddress(addr);
                    if (index >= 0) {
                        devices[index].state = BONDING_COMPLETED;
                    }
                    continue_bonding();
                    break;

                default:
                    break;
            }
            break;
            
        default:
            break;
    }
}