From e10697448ca5f420e04463d443ce07cbffa5d34a Mon Sep 17 00:00:00 2001
From: uli <cybuzuma@vnxs.de>
Date: Sun, 29 May 2022 23:41:19 +0200
Subject: [PATCH] added local time characteristic
---
infinitime.go | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/infinitime.go b/infinitime.go
index d48e902..d0edb1d 100644
--- a/infinitime.go
+++ b/infinitime.go
@@ -33,6 +33,7 @@ const (
MotionValChar = "00030002-78fc-48fe-8e23-433b3a1942d0"
FirmwareVerChar = "00002a26-0000-1000-8000-00805f9b34fb"
CurrentTimeChar = "00002a2b-0000-1000-8000-00805f9b34fb"
+ LocalTimeChar = "00002a0f-0000-1000-8000-00805f9b34fb"
BatteryLvlChar = "00002a19-0000-1000-8000-00805f9b34fb"
HeartRateChar = "00002a37-0000-1000-8000-00805f9b34fb"
FSTransferChar = "adaf0200-4669-6c65-5472-616e73666572"
@@ -47,6 +48,7 @@ var charNames = map[string]string{
MotionValChar: "Motion Values",
FirmwareVerChar: "Firmware Version",
CurrentTimeChar: "Current Time",
+ LocalTimeChar: "Local Time",
BatteryLvlChar: "Battery Level",
HeartRateChar: "Heart Rate",
FSTransferChar: "Filesystem Transfer",
@@ -62,6 +64,7 @@ type Device struct {
motionValChar *gatt.GattCharacteristic1
fwVersionChar *gatt.GattCharacteristic1
currentTimeChar *gatt.GattCharacteristic1
+ localTimeChar *gatt.GattCharacteristic1
battLevelChar *gatt.GattCharacteristic1
heartRateChar *gatt.GattCharacteristic1
fsVersionChar *gatt.GattCharacteristic1
@@ -406,6 +409,8 @@ func (i *Device) resolveChars() error {
i.fwVersionChar = char
case CurrentTimeChar:
i.currentTimeChar = char
+ case LocalTimeChar:
+ i.localTimeChar = char
case BatteryLvlChar:
i.battLevelChar = char
case HeartRateChar:
@@ -711,6 +716,23 @@ func (i *Device) SetTime(t time.Time) error {
return i.currentTimeChar.WriteValue(buf.Bytes(), nil)
}
+// SetTimezone sets the watch's timezone information using the Local Time Service
+func (i *Device) SetTimezone(t time.Time) error {
+ if err := i.checkStatus(i.localTimeChar, LocalTimeChar); err != nil {
+ return err
+ }
+ _, offset := t.Zone()
+ dst := 0
+ if t.IsDST() {
+ dst = 3600
+ offset = offset - 3600
+ }
+ buf := &bytes.Buffer{}
+ binary.Write(buf, binary.LittleEndian, uint8(offset / 3600 * 4))
+ binary.Write(buf, binary.LittleEndian, uint8(dst / 3600 * 4))
+ return i.localTimeChar.WriteValue(buf.Bytes(), nil)
+}
+
// Notify sends a notification to InfiniTime via
// the Alert Notification Service (ANS)
func (i *Device) Notify(title, body string) error {