Add bluetooth example.
This commit is contained in:
parent
758ea40679
commit
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2
.gitignore
vendored
2
.gitignore
vendored
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@ -2,6 +2,8 @@ clast
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ast.txt
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*.ast
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program
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examples/bluetooth/bluetooth
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examples/bluetooth/ble/main.go
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examples/foundation/foundation
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examples/foundation/ns
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examples/simple/simple
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23
examples/bluetooth/ble/ble_delegate.h
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23
examples/bluetooth/ble/ble_delegate.h
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#import <CoreBluetooth/CoreBluetooth.h>
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@interface ble_delegate : NSObject <CBCentralManagerDelegate, CBPeripheralDelegate>
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{
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CBCentralManager *manager;
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CBPeripheral *peripheral;
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BOOL wantScan;
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BOOL autoConnect;
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void (*scanCallback)(void* p);
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dispatch_queue_t q;
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CBUUID *looking_for;
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}
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- (ble_delegate*) init;
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- (void) scanFor:(CBUUID*)uuid;
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- (void) stopScan;
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- (BOOL) isLECapableHardware;
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@end
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358
examples/bluetooth/ble/ble_delegate.m
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358
examples/bluetooth/ble/ble_delegate.m
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#import "ble_delegate.h"
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@implementation ble_delegate
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- (ble_delegate*) init
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{
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[super init];
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NSLog(@"Initializing manager");
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q = dispatch_queue_create("st.wow.gitlab.ble",NULL);
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[q retain];
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manager = [[CBCentralManager alloc] initWithDelegate:self queue:q];
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return self;
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}
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- (void) dealloc
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{
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[self stopScan];
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[peripheral setDelegate:nil];
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[peripheral release];
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[manager release];
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[super dealloc];
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}
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#pragma mark - Start/Stop Scan methods
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/*
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Request CBCentralManager to scan for heart rate peripherals using service UUID 0x180D
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*/
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- (void) scanFor:(CBUUID*)uuid
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{
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autoConnect = TRUE;
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[self _scanFor:uuid];
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}
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- (void) _scanFor:(CBUUID*)uuid
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{
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if (uuid != nil) {
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if (looking_for != nil) {
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[looking_for release];
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}
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looking_for = uuid;
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}
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if (looking_for == nil) {
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NSLog(@"No scan target specified");
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return;
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}
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if (![self isLECapableHardware]) {
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NSLog(@"Not LE capable hardware");
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NSLog(@"Setting wantScan to true");
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wantScan = true;
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return;
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} else {
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NSLog(@"Is LE capable hardware");
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}
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NSLog(@"Scanning");
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[manager scanForPeripheralsWithServices:[NSArray arrayWithObject:looking_for] options:nil];
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}
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/*
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Request CBCentralManager to stop scanning for heart rate peripherals
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*/
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- (void) stopScan
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{
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[manager stopScan];
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scanCallback(nil);
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}
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#pragma mark - CBCentralManager delegate methods
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/*
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Invoked whenever the central manager's state is updated.
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*/
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- (void) centralManagerDidUpdateState:(CBCentralManager *)central
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{
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NSLog(@"State changed");
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if ([self isLECapableHardware] && wantScan) {
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NSLog(@"Starting scan?");
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[self _scanFor:nil];
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}
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}
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- (BOOL) isLECapableHardware
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{
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NSString * state = nil;
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switch ([manager state])
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{
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case CBManagerStateUnsupported:
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NSLog(@"--unsupported");
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state = @"The platform/hardware doesn't support Bluetooth Low Energy.";
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break;
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case CBManagerStateUnauthorized:
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NSLog(@"--unauthorized");
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state = @"The app is not authorized to use Bluetooth Low Energy.";
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break;
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case CBManagerStatePoweredOff:
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NSLog(@"--powered off");
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state = @"Bluetooth is currently powered off.";
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break;
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case CBManagerStatePoweredOn:
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NSLog(@"--powered on");
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return TRUE;
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case CBManagerStateResetting:
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NSLog(@"--resetting");
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return FALSE;
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case CBManagerStateUnknown:
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NSLog(@"--unknown");
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state = @"Bluetooth state is unknown.";
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}
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NSLog(@"Central manager state: %@", state);
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return FALSE;
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}
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/*
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Invoked when the central discovers a peripheral while scanning.
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*/
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- (void) centralManager:(CBCentralManager *)central didDiscoverPeripheral:(CBPeripheral *)aPeripheral advertisementData:(NSDictionary *)advertisementData RSSI:(NSNumber *)RSSI
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{
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NSLog(@"Found peripheral");
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peripheral = aPeripheral;
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[peripheral retain];
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if (autoConnect) {
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[self stopScan];
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printf("Connecting\n");
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[manager connectPeripheral:aPeripheral options:[NSDictionary dictionaryWithObject:[NSNumber numberWithBool:YES] forKey:CBConnectPeripheralOptionNotifyOnDisconnectionKey]];
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} else {
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scanCallback(aPeripheral);
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}
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}
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/*
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Invoked when the central manager retrieves the list of known peripherals.
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Automatically connect to first known peripheral
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*/
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- (void)centralManager:(CBCentralManager *)central didRetrievePeripherals:(NSArray *)peripherals
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{
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NSLog(@"Retrieved peripheral: %lu - %@", [peripherals count], peripherals);
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[self stopScan];
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/* If there are any known devices, automatically connect to it.*/
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if([peripherals count] >=1)
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{
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peripheral = [peripherals objectAtIndex:0];
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[peripheral retain];
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printf("Connecting\n");
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[manager connectPeripheral:peripheral options:[NSDictionary dictionaryWithObject:[NSNumber numberWithBool:YES] forKey:CBConnectPeripheralOptionNotifyOnDisconnectionKey]];
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}
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}
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/*
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Invoked whenever a connection is succesfully created with the peripheral.
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Discover available services on the peripheral
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*/
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- (void) centralManager:(CBCentralManager *)central didConnectPeripheral:(CBPeripheral *)aPeripheral
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{
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NSLog(@"Connected");
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[aPeripheral setDelegate:self];
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[aPeripheral discoverServices:nil];
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}
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/*
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Invoked whenever an existing connection with the peripheral is torn down.
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Reset local variables
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*/
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- (void)centralManager:(CBCentralManager *)central didDisconnectPeripheral:(CBPeripheral *)aPeripheral error:(NSError *)error
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{
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if( peripheral )
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{
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[peripheral setDelegate:nil];
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[peripheral release];
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peripheral = nil;
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}
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}
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/*
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Invoked whenever the central manager fails to create a connection with the peripheral.
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*/
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- (void)centralManager:(CBCentralManager *)central didFailToConnectPeripheral:(CBPeripheral *)aPeripheral error:(NSError *)error
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{
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NSLog(@"Fail to connect to peripheral: %@ with error = %@", aPeripheral, [error localizedDescription]);
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if( peripheral )
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{
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[peripheral setDelegate:nil];
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[peripheral release];
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peripheral = nil;
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}
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}
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#pragma mark - CBPeripheral delegate methods
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/*
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Invoked upon completion of a -[discoverServices:] request.
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Discover available characteristics on interested services
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*/
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- (void) peripheral:(CBPeripheral *)aPeripheral didDiscoverServices:(NSError *)error
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{
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NSLog(@"Discovered services");
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for (CBService *aService in aPeripheral.services)
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{
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NSLog(@"Service found with UUID: %@", aService.UUID);
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/* Heart Rate Service */
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if ([aService.UUID isEqual:[CBUUID UUIDWithString:@"180D"]])
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{
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NSLog(@"--heart rate service");
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[aPeripheral discoverCharacteristics:nil forService:aService];
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}
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/* Device Information Service */
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if ([aService.UUID isEqual:[CBUUID UUIDWithString:@"180A"]])
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{
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NSLog(@"--device information service");
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[aPeripheral discoverCharacteristics:nil forService:aService];
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}
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/* GAP (Generic Access Profile) for Device Name */
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if ( [aService.UUID isEqual:[CBUUID UUIDWithString:@"1800"]] )
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{
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NSLog(@"--generic access profile");
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[aPeripheral discoverCharacteristics:nil forService:aService];
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}
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}
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}
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/*
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Invoked upon completion of a -[discoverCharacteristics:forService:] request.
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Perform appropriate operations on interested characteristics
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*/
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- (void) peripheral:(CBPeripheral *)aPeripheral didDiscoverCharacteristicsForService:(CBService *)service error:(NSError *)error
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{
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NSLog(@"Discovered characteristics");
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if ([service.UUID isEqual:[CBUUID UUIDWithString:@"180D"]])
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{
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for (CBCharacteristic *aChar in service.characteristics)
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{
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/* Set notification on heart rate measurement */
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if ([aChar.UUID isEqual:[CBUUID UUIDWithString:@"2A37"]])
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{
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[peripheral setNotifyValue:YES forCharacteristic:aChar];
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NSLog(@"Found a Heart Rate Measurement Characteristic");
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}
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/* Read body sensor location */
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if ([aChar.UUID isEqual:[CBUUID UUIDWithString:@"2A38"]])
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{
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[aPeripheral readValueForCharacteristic:aChar];
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NSLog(@"Found a Body Sensor Location Characteristic");
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}
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/* Write heart rate control point */
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if ([aChar.UUID isEqual:[CBUUID UUIDWithString:@"2A39"]])
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{
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uint8_t val = 1;
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NSData* valData = [NSData dataWithBytes:(void*)&val length:sizeof(val)];
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[aPeripheral writeValue:valData forCharacteristic:aChar type:CBCharacteristicWriteWithResponse];
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}
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}
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}
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if ( [service.UUID isEqual:[CBUUID UUIDWithString:@"1800"]] )
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{
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for (CBCharacteristic *aChar in service.characteristics)
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{
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/* Read device name */
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if ([aChar.UUID isEqual:[CBUUID UUIDWithString:@"2A00"]])
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{
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[aPeripheral readValueForCharacteristic:aChar];
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NSLog(@"Found a Device Name Characteristic");
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}
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}
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}
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if ([service.UUID isEqual:[CBUUID UUIDWithString:@"180A"]])
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{
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for (CBCharacteristic *aChar in service.characteristics)
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{
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/* Read manufacturer name */
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if ([aChar.UUID isEqual:[CBUUID UUIDWithString:@"2A29"]])
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{
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[aPeripheral readValueForCharacteristic:aChar];
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NSLog(@"Found a Device Manufacturer Name Characteristic");
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}
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}
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}
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}
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/*
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Invoked upon completion of a -[readValueForCharacteristic:] request or on the reception of a notification/indication.
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*/
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- (void) peripheral:(CBPeripheral *)aPeripheral didUpdateValueForCharacteristic:(CBCharacteristic *)characteristic error:(NSError *)error
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{
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NSLog(@"didUpdateValueForCharacteristic");
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/* Updated value for heart rate measurement received */
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if ([characteristic.UUID isEqual:[CBUUID UUIDWithString:@"2A37"]])
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{
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if( (characteristic.value) || !error )
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{
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/* Update UI with heart rate data */
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//[self updateWithHRMData:characteristic.value];
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}
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}
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/* Value for body sensor location received */
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else if ([characteristic.UUID isEqual:[CBUUID UUIDWithString:@"2A38"]])
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{
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NSData * updatedValue = characteristic.value;
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uint8_t* dataPointer = (uint8_t*)[updatedValue bytes];
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if(dataPointer)
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{
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uint8_t location = dataPointer[0];
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NSString* locationString;
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switch (location)
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{
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case 0:
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locationString = @"Other";
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break;
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case 1:
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locationString = @"Chest";
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break;
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case 2:
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locationString = @"Wrist";
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break;
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case 3:
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locationString = @"Finger";
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break;
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case 4:
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locationString = @"Hand";
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break;
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case 5:
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locationString = @"Ear Lobe";
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break;
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case 6:
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locationString = @"Foot";
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break;
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default:
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locationString = @"Reserved";
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break;
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}
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NSLog(@"Body Sensor Location = %@ (%d)", locationString, location);
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}
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}
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/* Value for device Name received */
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else if ([characteristic.UUID isEqual:[CBUUID UUIDWithString:@"2A00"]])
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{
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NSString * deviceName = [[[NSString alloc] initWithData:characteristic.value encoding:NSUTF8StringEncoding] autorelease];
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NSLog(@"Device Name = %@", deviceName);
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}
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/* Value for manufacturer name received */
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else if ([characteristic.UUID isEqual:[CBUUID UUIDWithString:@"2A29"]])
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{
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NSString * manufacturer = [[[NSString alloc] initWithData:characteristic.value encoding:NSUTF8StringEncoding] autorelease];
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NSLog(@"Manufacturer Name = %@", manufacturer);
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}
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}
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@end
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17
examples/bluetooth/main.go
Normal file
17
examples/bluetooth/main.go
Normal file
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@ -0,0 +1,17 @@
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package main
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import (
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"fmt"
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"time"
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"gitlab.wow.st/gmp/nswrap/examples/bluetooth/ble"
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)
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func main() {
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cd := ble.NewBle_delegate().Init()
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fmt.Println("LE capable:",cd.IsLECapableHardware())
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time.Sleep(time.Second * 1)
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fmt.Println("LE capable:",cd.IsLECapableHardware())
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uuid := ble.CBUUIDWithString(ble.NSStringWithUTF8String(ble.CharFromString("180d")))
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cd.ScanFor(uuid)
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time.Sleep(time.Second * 15)
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}
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44
examples/bluetooth/nswrap.toml
Normal file
44
examples/bluetooth/nswrap.toml
Normal file
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@ -0,0 +1,44 @@
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Package = "ble"
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InputFiles = [
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"/System/Library/Frameworks/Foundation.framework/Headers/Foundation.h",
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"/System/Library/Frameworks/CoreBluetooth.framework/Headers/CoreBluetooth.h",
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"ble/ble_delegate.h",
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]
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Classes = [
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"ble_delegate",
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"CBCentralManager",
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"CBPeripheralManager",
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"CBPeripheral",
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"CBCentral",
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"CBService",
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"CBCharacteristic",
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"CBDescriptor",
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"CBError",
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"CBUUID",
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"CBAdvertisementData",
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"CBATTRequest",
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"NSArray",
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"NSMutableArray",
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"NSDictionary",
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"NSEnumerator",
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"NSSet",
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"NSDate",
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"NSTimeZone",
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"NSString",
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]
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Functions = [
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"NSMakeRange",
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]
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Enums = [
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"CB.*",
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]
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Frameworks = [
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"Foundation",
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"CoreBluetooth",
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]
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Imports = [
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"ble_delegate.h",
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]
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Pragma = [ 'clang diagnostic ignored "-Wformat-security"' ]
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VaArgs = 32
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