bluetooth api

Onconnectionstatechange (Bluetoothgatt GATT, int status, int newstate) { Super.onconnectionstatechange (GATT, status, NewState); LOG.V (TAG, "Connection State Changed:" + (newstate = = bluetoothprofile.state_connected? ") Connected ":" Disconnected ")); if (newstate = = bluetoothprofile.state_connected) { setState (state.connected); Gatt.discoverservices (); } else { setState (state.idle); }

At startup, it takes some time to fully load and initialize the Bluetooth protocol stack. You can use bth_namedevent_stack_inited to check the protocol stack initialization, which is defined in % _ winceroot %/public/common/SDK/INC/bt_api.h. To open this naming event, you must use OpeneventFunction. // Determine whether the Protocol Stack has bool fstackup initialized = false; For (INT I = 0; I

This small game is based on Bluetooth communication implementation (a bit redundant), C/s structure, but did not implement AI. The use of the process is to open the server first, waiting for the client to connect successfully after the game can be started. There is also worth saying is that every time is the client first, the new start is also! Because these days to see movies and go out to play more time, so in the details of the program is not very

role script receives the message and disconnects it to the actual situation. Then, it converts the message data into a specific task and completes the corresponding work (here it is the gap deviceinitdoneevent_t ). · The role script clears the message and returns it. Another example: the GATT client device wants to read data from the GATT server, that is, the GATT cashier wants to get some money from the GATT bank. · The application calls the GATT sub-process

We take the Windows 7 system as an example, we click on the System "Control Panel"-"devices and printers"-"Add Device", start "Search Device", search the device and click "Next" details as shown in the following figure. After we have to connect the keyboard to fill in the pairing code, filled out we click "Enter" to match. If the connection is not successful, we detect whether the keyboard is not a battery, because the Bluetooth

Android-4.2 getting started with BlueTooth (1), androidbluetooth Bluetooth, Wi-Fi, and 3g are the most common dongles on mobile platforms. Currently, Bluetooth is widely used, especially for smart terminals, multi-point mutual control, Wi-Fi, 3g, and other high resource consumption, infrared has limitations on distance and obstacle, so

interface programmingThe Androidble interface is provided above the android4.3 version.1. Determine if the current system supports BLEGetpackagemanager (). Hassystemfeature (Packagemanager. Feature_bluetooth_le)Returns true representation support.2. Get the Bluetooth adapter classUsers use the BLE API through a unified Bluetooth adapter class Bluetoothadapter.G

The previous article introduced the Android uses the microphone to collect and display the analog signal realization method, this kind of collection method is suitable for without IO control, reads the signal simply. If the sensor itself needs to contain a control circuit (for example, the acquisition of blood oxygen signals requires infrared and infra-red emission), then the sensor itself will need to take a piece of the main control IC, in-chip acquisition and output digital signal. How does a

device supports BLE feature (required is false), and you need to confirm that Bluetooth is turned on. If you find that BLE is not supported, you cannot use BLE-related features. If BLE is supported, but Bluetooth is not turned on, you need to turn on Bluetooth. to turn on Bluetooth:1. Get BluetoothadapterBluetoothadap

following parameters represent all the services supported by the system7. Connecting Equipment Hcitool cc XX:XX:XX:XX:XX:XX 8. Send the file Obex-send *.* 9. BlueZ Tools bccmd:used to issue BlueCore commands to Cambridge Silicon. Bluetoothd:the Bluetooth Daemon. Ciptool:used to set up, maintain, and inspect the CIP configuration of the "Bluetooth subsystem in" Linux Kern El. hciattach:used to attach a