Golang Characteristic.ValueHandle Examples

Example #1

File: db.go Project: currantlabs/ble

func genCharAttr(c *ble.Characteristic, h uint16) (uint16, []*attr) {
	vh := h + 1

	a := &attr{
		h:   h,
		typ: ble.CharacteristicUUID,
		v:   append([]byte{byte(c.Property), byte(vh), byte((vh) >> 8)}, c.UUID...),
	}

	va := &attr{
		h:   vh,
		typ: c.UUID,
		v:   c.Value,
		rh:  c.ReadHandler,
		wh:  c.WriteHandler,
	}

	c.Handle = h
	c.ValueHandle = vh
	if c.NotifyHandler != nil || c.IndicateHandler != nil {
		c.CCCD = newCCCD(c)
		c.Descriptors = append(c.Descriptors, c.CCCD)
	}

	h += 2

	attrs := []*attr{a, va}
	for _, d := range c.Descriptors {
		attrs = append(attrs, genDescAttr(d, h))
		h++
	}

	a.endh = h - 1
	return h, attrs
}