Merge pull request #159 from mikeller/change_rtc_setting_to_ticks

Change setting of RTC to use ticks.

Author: mikeller

src/SCRIPTS/BF/background.lua

@@ -40,18 +40,35 @@ local function run_bg()
             -- assuming when sensor value higher than 0 there is an telemetry connection
             -- only send datetime one time after telemetry connection became available
             -- or when connection is restored after e.g. lipo refresh
-            local now = getDateTime()
-            local year = now.year;
 
-            values = {}
-            values[1] = bit32.band(year, 0xFF)
-            year = bit32.rshift(year, 8)
-            values[2] = bit32.band(year, 0xFF)
-            values[3] = now.mon
-            values[4] = now.day
-            values[5] = now.hour
-            values[6] = now.min
-            values[7] = now.sec
+            if API_VERSION < 1.041 then
+                -- format: year (16) / month (8) / day (8) / hour (8) / min (8) / sec (8)
+                local now = getDateTime()
+                local year = now.year;
+
+                values = {}
+                values[1] = bit32.band(year, 0xFF)
+                year = bit32.rshift(year, 8)
+                values[2] = bit32.band(year, 0xFF)
+                values[3] = now.mon
+                values[4] = now.day
+                values[5] = now.hour
+                values[6] = now.min
+                values[7] = now.sec
+            else
+                -- format: seconds after the epoch (32) / milliseconds (16)
+                local now = getRtcTime()
+
+                values = {}
+
+                for i = 1, 4 do
+                    values[i] = bit32.band(now, 0xFF)
+                    now = bit32.rshift(now, 8)
+                end
+
+                values[5] = 0 -- we don't have milliseconds
+                values[6] = 0
+            end
 
             -- send msp message
             protocol.mspWrite(MSP_SET_RTC, values)

src/SCRIPTS/TELEMETRY/bf.lua

@@ -1,5 +1,14 @@
 SCRIPT_HOME = "/SCRIPTS/BF"
 
+-- Change this to match the API version of the firmware you are using
+-- (you can have multiple copies of this script with different values
+-- for API_VERSION, and select different versions for different models
+-- on your TX)
+-- Version mapping:
+--  1.041: Betaflight 4.0 and newer
+-- <1.041: Betaflight 3.5 and older
+API_VERSION = 1.040
+
 protocol = assert(loadScript(SCRIPT_HOME.."/protocols.lua"))()
 radio = assert(loadScript(SCRIPT_HOME.."/radios.lua"))()