[ble] Device information service

Signed-off-by: deadprogram <ron@hybridgroup.com>

examples/ble_device_info.go

@@ -0,0 +1,34 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/hybridgroup/gobot"
+	"github.com/hybridgroup/gobot/platforms/ble"
+)
+
+func main() {
+	gbot := gobot.NewGobot()
+
+	bleAdaptor := ble.NewBLEAdaptor("ble", os.Args[1])
+	info := ble.NewBLEDeviceInformationDriver(bleAdaptor, "info")
+
+	work := func() {
+		fmt.Println("Model number:", info.GetModelNumber())
+		fmt.Println("Firmware rev:", info.GetFirmwareRevision())
+		fmt.Println("Hardware rev:", info.GetHardwareRevision())
+		fmt.Println("Manufacturer name:", info.GetManufacturerName())
+		fmt.Println("PnPId:", info.GetPnPId())
+	}
+
+	robot := gobot.NewRobot("bleBot",
+		[]gobot.Connection{bleAdaptor},
+		[]gobot.Device{info},
+		work,
+	)
+
+	gbot.AddRobot(robot)
+
+	gbot.Start()
+}

platforms/ble/device_information.go

@@ -47,3 +47,31 @@ func (b *BLEDeviceInformationDriver) GetModelNumber() (model string) {
 	val := buf.String()
 	return val
 }
+
+func (b *BLEDeviceInformationDriver) GetFirmwareRevision() (revision string) {
+	c, _ := b.adaptor().ReadCharacteristic("180a", "2a26")
+	buf := bytes.NewBuffer(c)
+	val := buf.String()
+	return val
+}
+
+func (b *BLEDeviceInformationDriver) GetHardwareRevision() (revision string) {
+	c, _ := b.adaptor().ReadCharacteristic("180a", "2a27")
+	buf := bytes.NewBuffer(c)
+	val := buf.String()
+	return val
+}
+
+func (b *BLEDeviceInformationDriver) GetManufacturerName() (manufacturer string) {
+	c, _ := b.adaptor().ReadCharacteristic("180a", "2a29")
+	buf := bytes.NewBuffer(c)
+	val := buf.String()
+	return val
+}
+
+func (b *BLEDeviceInformationDriver) GetPnPId() (model string) {
+	c, _ := b.adaptor().ReadCharacteristic("180a", "2a50")
+	buf := bytes.NewBuffer(c)
+	val := buf.String()
+	return val
+}