mirror of
https://github.com/bluekitchen/btstack.git
synced 2025-02-11 18:40:22 +00:00
added gap inquiry example
This commit is contained in:
matthias.ringwald@gmail.com
parent
3bb98e09a8
commit
373ed0c378
@ -2,7 +2,8 @@
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# Makefile for MSP-EXP430F5438 demos with PAN1315, PAN1317, PAN1325, PAN1323, or PAN1327 Bluetooth modules
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#
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# For the PAN1315/25 modules, please use bluetooth_init_cc2560_2.42.c in COMMON below
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#
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# Please check instructions at https://code.google.com/p/btstack/wiki/CC256x on where to download the init scripts and how to convert them to *.c files.
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#
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# mspgcc is used: http://sourceforge.net/apps/mediawiki/mspgcc/index.php?title=MSPGCC_Wiki
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#
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@ -53,7 +54,7 @@ LCD_OBJ = $(LCD:.c=.o)
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# create firmware image from common objects and example source file
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all: hid_demo.hex led_counter.hex spp_accel.hex spp_counter.hex spp_flowcontrol.hex
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all: hid_demo.hex led_counter.hex spp_accel.hex spp_counter.hex spp_flowcontrol.hex gap_inquiry.hex
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led_counter.out: ${CORE_OBJ} led_counter.o
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${CC} $^ ${LDFLAGS} -o $@
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@ -70,6 +71,9 @@ spp_counter.out: ${CORE_OBJ} ${COMMON_OBJ} spp_counter.o ../firmware/hal_adc.o
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spp_flowcontrol.out: ${CORE_OBJ} ${COMMON_OBJ} ${LCD_OBJ} spp_flowcontrol.o ../firmware/hal_adc.o
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${CC} $^ ${LDFLAGS} -o $@
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gap_inquiry.out: ${CORE_OBJ} ${COMMON_OBJ} ${LCD_OBJ} gap_inquiry.o ../firmware/hal_adc.o
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${CC} $^ ${LDFLAGS} -o $@
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clean:
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rm -f $ *.o *.out *.hex ../driver/*.o ../../src/*.o ../src/*.o ../firmware/*.o ${BTSTACK_ROOT}/chipset-cc256x/*.o ${BTSTACK_ROOT}/src/*.o
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239
MSP-EXP430F5438-CC256x/example/gap_inquiry.c
Normal file
239
MSP-EXP430F5438-CC256x/example/gap_inquiry.c
Normal file
@ -0,0 +1,239 @@
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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 <msp430x54x.h>
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#include "bt_control_cc256x.h"
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#include "hal_board.h"
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#include "hal_compat.h"
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#include "hal_usb.h"
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#include <btstack/hci_cmds.h>
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#include <btstack/run_loop.h>
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#include "hci.h"
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#include "btstack_memory.h"
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#include "remote_device_db.h"
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#include "config.h"
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#define MAX_DEVICES 10
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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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uint8_t state; // 0 empty, 1 found, 2 remote name tried, 3 remote name found
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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, DEVICE_NAME, REMOTE_NAME_REQUEST, REMOTE_NAME_INQUIRED, REMOTE_NAME_FETCHED} ;
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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 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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switch(event){
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case HCI_EVENT_COMMAND_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 HCI_EVENT_COMMAND_STATUS:
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if ( COMMAND_STATUS_EVENT(packet, hci_write_inquiry_mode) ) {
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printf("Ignoring error (0x%x) from hci_write_inquiry_mode.\n", packet[2]);
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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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default:
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break;
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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;
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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 %u, 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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if (has_more_remote_name_requests()){
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do_next_remote_name_request();
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break;
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}
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start_scan();
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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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if (has_more_remote_name_requests()){
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do_next_remote_name_request();
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break;
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}
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start_scan();
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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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// stop watchdog timer
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WDTCTL = WDTPW + WDTHOLD;
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//Initialize clock and peripherals
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halBoardInit();
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halBoardStartXT1();
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halBoardSetSystemClock(SYSCLK_16MHZ);
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// init debug UART
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halUsbInit();
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// init LEDs
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LED_PORT_OUT |= LED_1 | LED_2;
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LED_PORT_DIR |= LED_1 | LED_2;
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/// GET STARTED with BTstack ///
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btstack_memory_init();
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run_loop_init(RUN_LOOP_EMBEDDED);
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// init HCI
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hci_transport_t * transport = hci_transport_h4_dma_instance();
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bt_control_t * control = bt_control_cc256x_instance();
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hci_uart_config_t * config = hci_uart_config_cc256x_instance();
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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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