mirror of
https://github.com/bluekitchen/btstack.git
synced 2025-02-19 15:40:52 +00:00
added gap_inquiry
This commit is contained in:
matthias.ringwald@gmail.com
parent
a684d8b953
commit
bd03b42fda
@ -55,7 +55,9 @@ ATT_OBJ = $(ATT:.c=.o)
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# create firmware image from common objects and example source file
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all: ../../include/btstack/version.h ble_client sdp_rfcomm_query sdp_general_query spp_counter ble_peripheral ble_peripheral_sm_minimal
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all: ../../include/btstack/version.h ble_client sdp_rfcomm_query sdp_general_query spp_counter ble_peripheral \
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ble_peripheral_sm_minimal gap_inquiry gap_dedicated_bonding
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# ble_client_uart #spp-usb l2cap-server-usb l2cap-client-usb l2cap-server-uart l2cap-client-uart
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../../include/btstack/version.h:
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@ -76,6 +78,9 @@ spp_counter_ssp: ${CORE_OBJ} ${COMMON_OBJ} spp_counter_ssp.c
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gap_dedicated_bonding: ${CORE_OBJ} ${COMMON_OBJ} gap_dedicated_bonding.c
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${CC} $^ ${CFLAGS} ${LDFLAGS} -o $@
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gap_inquiry: ${CORE_OBJ} ${COMMON_OBJ} gap_inquiry.c
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${CC} $^ ${CFLAGS} ${LDFLAGS} -o $@
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# compile .ble description
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profile.h: profile.gatt
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python ${BTSTACK_ROOT}/ble/compile-gatt.py $< $@
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212
example/libusb/gap_inquiry.c
Normal file
212
example/libusb/gap_inquiry.c
Normal file
@ -0,0 +1,212 @@
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//*****************************************************************************
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//
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// minimal setup for HCI code
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//
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//*****************************************************************************
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "btstack-config.h"
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#include <btstack/run_loop.h>
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#include <btstack/sdp_util.h>
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#include "debug.h"
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#include "btstack_memory.h"
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#include "hci.h"
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#include "hci_dump.h"
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#define MAX_DEVICES 10
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enum DEVICE_STATE { REMOTE_NAME_REQUEST, REMOTE_NAME_INQUIRED, REMOTE_NAME_FETCHED };
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struct device {
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bd_addr_t address;
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uint16_t clockOffset;
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uint32_t classOfDevice;
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uint8_t pageScanRepetitionMode;
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uint8_t rssi;
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enum DEVICE_STATE state;
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};
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#define INQUIRY_INTERVAL 5
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struct device devices[MAX_DEVICES];
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int deviceCount = 0;
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enum STATE {INIT, W4_INQUIRY_MODE_COMPLETE, ACTIVE} ;
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enum STATE state = INIT;
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int getDeviceIndexForAddress( bd_addr_t addr){
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int j;
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for (j=0; j< deviceCount; j++){
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if (BD_ADDR_CMP(addr, devices[j].address) == 0){
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return j;
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}
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}
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return -1;
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}
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void start_scan(void){
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printf("Starting inquiry scan..\n");
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hci_send_cmd(&hci_inquiry, HCI_INQUIRY_LAP, INQUIRY_INTERVAL, 0);
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}
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int has_more_remote_name_requests(void){
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int i;
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for (i=0;i<deviceCount;i++) {
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if (devices[i].state == REMOTE_NAME_REQUEST) return 1;
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}
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return 0;
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}
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void do_next_remote_name_request(void){
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int i;
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for (i=0;i<deviceCount;i++) {
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// remote name request
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if (devices[i].state == REMOTE_NAME_REQUEST){
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devices[i].state = REMOTE_NAME_INQUIRED;
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printf("Get remote name of %s...\n", bd_addr_to_str(devices[i].address));
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hci_send_cmd(&hci_remote_name_request, devices[i].address,
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devices[i].pageScanRepetitionMode, 0, devices[i].clockOffset | 0x8000);
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return;
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}
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}
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}
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static void continue_remote_names(){
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if (has_more_remote_name_requests()){
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do_next_remote_name_request();
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return;
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}
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start_scan();
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}
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static void packet_handler (uint8_t packet_type, uint8_t *packet, uint16_t size){
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bd_addr_t addr;
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int i;
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int numResponses;
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// printf("packet_handler: pt: 0x%02x, packet[0]: 0x%02x\n", packet_type, packet[0]);
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if (packet_type != HCI_EVENT_PACKET) return;
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uint8_t event = packet[0];
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switch(state){
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case INIT:
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if (packet[2] == HCI_STATE_WORKING) {
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hci_send_cmd(&hci_write_inquiry_mode, 0x01); // with RSSI
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state = W4_INQUIRY_MODE_COMPLETE;
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}
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break;
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case W4_INQUIRY_MODE_COMPLETE:
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if ( COMMAND_COMPLETE_EVENT(packet, hci_write_inquiry_mode) ) {
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start_scan();
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state = ACTIVE;
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}
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break;
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case ACTIVE:
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switch(event){
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case HCI_EVENT_INQUIRY_RESULT:
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case HCI_EVENT_INQUIRY_RESULT_WITH_RSSI:
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numResponses = packet[2];
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for (i=0; i<numResponses && deviceCount < MAX_DEVICES;i++){
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bt_flip_addr(addr, &packet[3+i*6]);
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int index = getDeviceIndexForAddress(addr);
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if (index >= 0) continue; // already in our list
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memcpy(devices[deviceCount].address, addr, 6);
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devices[deviceCount].pageScanRepetitionMode = packet [3 + numResponses*(6) + i*1];
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if (event == HCI_EVENT_INQUIRY_RESULT){
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devices[deviceCount].classOfDevice = READ_BT_24(packet, 3 + numResponses*(6+1+1+1) + i*3);
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devices[deviceCount].clockOffset = READ_BT_16(packet, 3 + numResponses*(6+1+1+1+3) + i*2) & 0x7fff;
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devices[deviceCount].rssi = 0;
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} else {
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devices[deviceCount].classOfDevice = READ_BT_24(packet, 3 + numResponses*(6+1+1) + i*3);
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devices[deviceCount].clockOffset = READ_BT_16(packet, 3 + numResponses*(6+1+1+3) + i*2) & 0x7fff;
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devices[deviceCount].rssi = packet [3 + numResponses*(6+1+1+3+2) + i*1];
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}
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devices[deviceCount].state = REMOTE_NAME_REQUEST;
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printf("Device found: %s with COD: 0x%06x, pageScan %d, clock offset 0x%04x, rssi 0x%02x\n", bd_addr_to_str(addr),
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devices[deviceCount].classOfDevice, devices[deviceCount].pageScanRepetitionMode,
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devices[deviceCount].clockOffset, devices[deviceCount].rssi);
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deviceCount++;
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}
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break;
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case HCI_EVENT_INQUIRY_COMPLETE:
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for (i=0;i<deviceCount;i++) {
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// retry remote name request
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if (devices[i].state == REMOTE_NAME_INQUIRED)
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devices[i].state = REMOTE_NAME_REQUEST;
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}
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continue_remote_names();
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break;
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case BTSTACK_EVENT_REMOTE_NAME_CACHED:
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bt_flip_addr(addr, &packet[3]);
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printf("Cached remote name for %s: '%s'\n", bd_addr_to_str(addr), &packet[9]);
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break;
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case HCI_EVENT_REMOTE_NAME_REQUEST_COMPLETE:
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bt_flip_addr(addr, &packet[3]);
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int index = getDeviceIndexForAddress(addr);
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if (index >= 0) {
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if (packet[2] == 0) {
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printf("Name: '%s'\n", &packet[9]);
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devices[index].state = REMOTE_NAME_FETCHED;
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} else {
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printf("Failed to get name: page timeout\n");
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}
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}
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continue_remote_names();
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break;
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default:
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break;
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}
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break;
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default:
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break;
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}
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}
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void setup(void){
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/// GET STARTED with BTstack ///
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btstack_memory_init();
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run_loop_init(RUN_LOOP_POSIX);
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// use logger: format HCI_DUMP_PACKETLOGGER, HCI_DUMP_BLUEZ or HCI_DUMP_STDOUT
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hci_dump_open("/tmp/hci_dump.pklg", HCI_DUMP_PACKETLOGGER);
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// init HCI
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hci_transport_t * transport = hci_transport_usb_instance();
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hci_uart_config_t * config = NULL;
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bt_control_t * control = NULL;
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remote_device_db_t * remote_db = (remote_device_db_t *) &remote_device_db_memory;
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hci_init(transport, config, control, remote_db);
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hci_register_packet_handler(packet_handler);
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}
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// main == setup
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int main(void)
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{
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setup();
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// turn on!
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hci_power_control(HCI_POWER_ON);
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// go!
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run_loop_execute();
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// happy compiler!
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return 0;
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}
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