Create descriptor.
await obniz.ble.initWait();var descriptor = new obniz.ble.characteristic({ "uuid" : "2901", //Characteristic User Description "text" : "hello world characteristic", }); var characteristic = new obniz.ble.characteristic({ "uuid" : "FFF1", "text" : "Hi", "descriptors" : [ descriptor ] });var service = new obniz.ble.service({ "uuid" : "fff0", "characteristics" : [ characteristic ]});obniz.ble.peripheral.addService(service); Copy
await obniz.ble.initWait();var descriptor = new obniz.ble.characteristic({ "uuid" : "2901", //Characteristic User Description "text" : "hello world characteristic", }); var characteristic = new obniz.ble.characteristic({ "uuid" : "FFF1", "text" : "Hi", "descriptors" : [ descriptor ] });var service = new obniz.ble.service({ "uuid" : "fff0", "characteristics" : [ characteristic ]});obniz.ble.peripheral.addService(service);
Characteristic instance
It is uuid as string.
console.log(attr.uuid); // => '4C84' Copy
console.log(attr.uuid); // => '4C84'
It reads data.
Even you wrote string or number, it returns binary array. It throws an error when failed.
// Javascript Examplelet data = await attr.readWait() console.log("data: " , data ); Copy
// Javascript Examplelet data = await attr.readWait() console.log("data: " , data );
This writes dataArray. It throws an error when failed.
// Javascript Exampleawait attr.writeWait([0xf0,0x27]);console.log("write success"); Copy
// Javascript Exampleawait attr.writeWait([0xf0,0x27]);console.log("write success");
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Create descriptor.