const i2c = require('i2c-bus');
const i2c1 = i2c.openSync(1);

// x,y,z角度=Angle/32768*180
// const data1 = i2c1.readWordSync(0x50, 0x3d);
// const data2 = i2c1.readWordSync(0x50, 0x3e);
// const data3 = i2c1.readWordSync(0x50, 0x3f);

// // 时间
// const data4 = i2c1.readWordSync(0x50, 0x30);
// const data5 = i2c1.readWordSync(0x50, 0x31);
// const data6 = i2c1.readWordSync(0x50, 0x32);
// const data7 = i2c1.readWordSync(0x50, 0x33);

// 模块温度 =  */100 °c
//  const data8 = i2c1.readWordSync(0x50, 0x40);

// // 轴加速度xyz = Angle/32768*16
// const data9 = i2c1.readWordSync(0x50, 0x34);
// const data10 = i2c1.readWordSync(0x50, 0x35);
// const data11 = i2c1.readWordSync(0x50, 0x36);

// // 轴角速度xyz = Angle/32768*2000
// const data12 = i2c1.readWordSync(0x50, 0x37);
// const data13 = i2c1.readWordSync(0x50, 0x38);
// const data14 = i2c1.readWordSync(0x50, 0x39);

// // 高低气压pa
// const data15 = i2c1.readWordSync(0x50, 0x45);
// const data16 = i2c1.readWordSync(0x50, 0x46);

// // 高度低|高cm
// const data17 = i2c1.readWordSync(0x50, 0x47);
// const data18 = i2c1.readWordSync(0x50, 0x48);

// 高低经度 = %10000000/100000 lon
// const data19 = i2c1.readWordSync(0x50, 0x49);
// const data20 = i2c1.readWordSync(0x50, 0x4a);

// // 高低纬度 = %10000000/100000 lat
// const data21 = i2c1.readWordSync(0x50, 0x4b);
// const data22 = i2c1.readWordSync(0x50, 0x4c);

// // GPS高度
// const data23 = i2c1.readWordSync(0x50, 0x4d);

// // GPS航向角
// const data24 = i2c1.readWordSync(0x50, 0x4e);

// // GPS 地速低字
// const data25 = i2c1.readWordSync(0x50, 0x4f);

// // GPS 地速高字
// const data26 = i2c1.readWordSync(0x50, 0x50);


// const txt1 = `角度：x：${data1 / 32768 * 180},y：${data2 / 32768 * 180},z：${data3 / 32768 * 180}`

// const txt2 = `GPS高度：${data23 / 100}`

// const txt3 = `模块温度：${data8 / 100}`


// const a = (data19.toString() + data20.toString()) % 10000000
// const b = (data21.toString() + data22.toString()) % 10000000
// console.log(data19, data20);
// console.log(data21, data22);
// console.log(txt1);

const bf = Buffer.alloc(8)
i2c1.writeByteSync(0x50, 0x49, 2)
i2c1.i2cReadSync(0x50, bf.length, bf);
const a = bf.readUIntBE(0, 6).toString();//切分字节流
console.log(a);
console.log(bf);
const bd = Buffer.alloc(8)
i2c1.writeByteSync(0x50, 0x4a, 2)
i2c1.i2cReadSync(0x50, bd.length, bd);
const b = bd.readUIntBE(0, 6).toString();//切分字节流
console.log(b);
console.log(bd);
console.log(+a + +b);