Show alert when BTstack open fails because of no BTdaemon

CocoaTouch/src/BTInquiryViewController.m

@@ -117,6 +117,9 @@ int mock_state = 0;
 		if (bluetoothState == HCI_STATE_INITIALIZING){
 			label = @"Activating BTstack...";
 			cell.accessoryView = bluetoothActivity;
+		} else if (bluetoothState == HCI_STATE_OFF){
+			label = @"BTstack not accessible!";
+			cell.accessoryView = nil;
 		} else {
 			switch (inquiryState){
 				case kInquiryInactive:

CocoaTouch/src/BTstackCocoaAppDelegate.m

@@ -180,9 +180,26 @@ void packet_handler(uint8_t packet_type, uint8_t *packet, uint16_t size){
 	// start Bluetooth
 	[inqView setBluetoothState:HCI_STATE_INITIALIZING];
 	run_loop_init(RUN_LOOP_COCOA);
-	bt_open();
+
-	bt_register_packet_handler(packet_handler);
+	int res = bt_open();
-	bt_send_cmd(&btstack_set_power_mode, HCI_POWER_ON );
+	if (res){
+		NSString * error = @"Connecting to BTdaemon failed!\n"
+						  "Please make sure it is\n"
+						  "a) stalled and\n"
+			              "b) that it's either running or can that it can be started by launchd.";
+		NSLog(@"%@", error);
+		[inqView setBluetoothState:HCI_STATE_OFF];
+		
+		UIAlertView* alertView = [[UIAlertView alloc] init];
+		alertView.title = @"BTstack not accessible!";
+		alertView.message = error;
+		[alertView addButtonWithTitle:@"Dismiss"];
+		[alertView show];
+		
+	} else {
+		bt_register_packet_handler(packet_handler);
+		bt_send_cmd(&btstack_set_power_mode, HCI_POWER_ON );
+	}
 }
 
 - (void)dealloc {

TODO.txt

@@ -5,14 +5,15 @@ Last change: don't set name to empty string on error in CocoaTouch
 
 NEXT:
 - CocoaTouch User Interface Components
-  - Show alert when BTstack open fails because of no BTdaemon
   - Show alert when BTstack init fails because of other stack
   - define delegate interface for select events
 - prepare WiiMoteDemo for release
   - integrate new inquiry code
-- figure out why stack doesn't shut Bluetooth off when in sleep for a while
+  
+- figure out why stack doesn't shut Bluetooth off when in sleep for a while/after wakeup
 - provide test version by setting up APT repository within BTstack SVN
   - instructions: http://www.saurik.com/id/7
+- prepend all source files with 'new BSD' copyright header
   
 == Release Version 0.1
 
@@ -20,8 +21,10 @@ NEXT:
   - incoming connections
     - list of supported PSM
 	- commands and events
+- RFCOMM implementation
+  - use switch on RFCOMM control field in rfcomm.c packet handler
 - detect and handle iPhone sleep mode
-  - see iPhone imnsomnia project at http://code.google.com/p/iphone-insomnia/
+  - see iPhone imsomnia project at http://code.google.com/p/iphone-insomnia/
   - can we get willGoToSleep event, should we turn off Bluetooth?
   - would be nice, if we could get woken up by Bluetooth data
 - CocoaTouch User Interface Components

example/rfcomm.c

@@ -100,6 +100,11 @@ void _bt_rfcomm_send_sabm(uint16_t source_cid, uint8_t initiator, uint8_t channe
 	rfcomm_send_packet(source_cid, address, BT_RFCOMM_SABM, 0, NULL, 0);
 }
 
+void _bt_rfcomm_send_uih_data(uint16_t source_cid, uint8_t initiator, uint8_t channel, uint8_t *data, uint16_t len) {
+	uint8_t address = (1 << 0) | (initiator << 1) |  (initiator << 1) | (channel << 3); 
+	rfcomm_send_packet(source_cid, address, BT_RFCOMM_UIH, 0, data, len);
+}	
+
 void _bt_rfcomm_send_uih_msc_cmd(uint16_t source_cid, uint8_t initiator, uint8_t channel, uint8_t signals)
 {
 	uint8_t address = (1 << 0) | (initiator << 1); // EA and C/R bit set - always server channel 0
@@ -112,11 +117,6 @@ void _bt_rfcomm_send_uih_msc_cmd(uint16_t source_cid, uint8_t initiator, uint8_t
 	rfcomm_send_packet(source_cid, address, BT_RFCOMM_UIH, 0, (uint8_t *) payload, pos);
 }
 
-void _bt_rfcomm_send_uih_data(uint16_t source_cid, uint8_t initiator, uint8_t channel, uint8_t *data, uint16_t len) {
-	uint8_t address = (1 << 0) | (initiator << 1) |  (initiator << 1) | (channel << 3); 
-	rfcomm_send_packet(source_cid, address, BT_RFCOMM_UIH, 0, data, len);
-}	
-
 void _bt_rfcomm_send_uih_pn_command(uint16_t source_cid, uint8_t initiator, uint8_t channel, uint16_t max_frame_size){
 	uint8_t payload[10];
 	uint8_t address = (1 << 0) | (initiator << 1); // EA and C/R bit set - always server channel 0

src/hci_transport_usb.c

@@ -170,9 +170,21 @@ static int usb_open(void *transport_config){
 #endif
     libusb_state = LIB_USB_KERNEL_DETACHED;
 
+	libusb_set_debug(0,3);
+
+#if 0
+    int config = -1;
+    r = libusb_get_configuration(handle, &config);
+    printf("Get configuration %i (%i)\n", config, r);
+    // if (config != 1) {
+    //    r= libusb_set_configuration(handle,0);
+    // }
+    printf("Set configuration = %u\n", r);
+#endif
+    
     // reserve access to device
 	printf("claiming interface 0...\n");
-	libusb_claim_interface(handle, 0);
+	r = libusb_claim_interface(handle, 0);
 	if (r < 0) {
 		fprintf(stderr, "usb_claim_interface error %d\n", r);
         usb_close();
@@ -181,11 +193,10 @@ static int usb_open(void *transport_config){
     libusb_state = LIB_USB_INTERFACE_CLAIMED;
 	printf("claimed interface 0\n");
 	
-#if 0
+    // get endpoints - broken on OS X until libusb 1.0.3
-    // get endpoints - broken on OS X (libusb 1.0.2)
 	struct libusb_config_descriptor *config_descriptor;
 	r = libusb_get_active_config_descriptor(dev, &config_descriptor);
-	printf("configuration: %u interfacs\n", config_descriptor->bNumInterfaces);
+	printf("configuration: %u interfaces\n", config_descriptor->bNumInterfaces);
 	const struct libusb_interface *interface = config_descriptor->interface;
 	const struct libusb_interface_descriptor * interface0descriptor = interface->altsetting;
 	printf("interface 0: %u endpoints\n", interface0descriptor->bNumEndpoints);
@@ -193,8 +204,6 @@ static int usb_open(void *transport_config){
 	for (r=0;r<interface0descriptor->bNumEndpoints;r++,endpoint++){
 		printf("endpoint %x, attributes %x\n", endpoint->bEndpointAddress, endpoint->bmAttributes);
 	}
-#endif	
-	libusb_set_debug(0,3);
     
 	// allocation
 	control_transfer   = libusb_alloc_transfer(0); // 0 isochronous transfers CMDs
@@ -205,6 +214,28 @@ static int usb_open(void *transport_config){
     }
     libusb_state = LIB_USB_TRANSFERS_ALLOCATED;
     
+    
+#if 0
+    // data transfer
+	// get answer
+	
+	// control
+	uint8_t hci_reset[] = { 0x03, 0x0c, 0x00 };
+	
+	// synchronous
+	r = libusb_control_transfer (handle, LIBUSB_REQUEST_TYPE_CLASS,
+								 0, 0, 0, 
+								 hci_reset, sizeof (hci_reset),
+								 0);
+    
+	 int length = -1;
+     r = libusb_interrupt_transfer(handle, 0x81, hci_event_buffer, 100, &length, 0);
+     printf("received data len %u, r= %d\n", length, r);
+     for (r=0;r<length; r++) printf("0x%.x ", hci_event_buffer[r]);
+     printf("\n");
+#endif
+    
+    
     // interrupt (= HCI event) handler
 	libusb_fill_interrupt_transfer(interrupt_transfer, handle, 0x81, hci_event_buffer, 260, event_callback, NULL, 3000) ;	
 	// interrupt_transfer->flags = LIBUSB_TRANSFER_SHORT_NOT_OK;
@@ -231,32 +262,6 @@ static int usb_open(void *transport_config){
     
     return 0;
 }
-
-#if 0
- // data transfer
-	// get answer
-	
-	// control
-	uint8_t hci_reset[] = { 0x03, 0x0c, 0x00 };
-	
-	// synchronous
-	// r = libusb_control_transfer (handle, LIBUSB_REQUEST_TYPE_CLASS,
-	//							 0, 0, 0, 
-	//							 hci_reset, sizeof (hci_reset),
-	//							 0);
-    
-	// int length = -1;
-	// r = libusb_interrupt_transfer(handle, 0x81, buffer, 100, &length, 0);
-    
-    /*	r = libusb_interrupt_transfer(handle, 0x81, buffer, 100, &length, 0);
-     printf("received data len %u, r= %d\n", length, r);
-     for (r=0;r<length; r++) printf("0x%.x ", buffer[r]);
-     printf("\n");
-     */
-
-    // 
-#endif
-
 static int usb_close(){
     // @TODO: remove all run loops!