Out-of-line LowPowerTimeout etc, lock

To match Timer etc, make LowPowerTimer et al out-of-line.

Correct LowPowerTimeout to not lock deep sleep.

drivers/LowPowerTicker.h

@@ -40,11 +40,8 @@ namespace mbed {
  * @note Synchronization level: Interrupt safe
  */
 class LowPowerTicker : public TickerBase {
-
 public:
-    LowPowerTicker() : TickerBase(get_lp_ticker_data())
-    {
-    }
+    LowPowerTicker();
 };
 
 /** @}*/

drivers/LowPowerTimer.h

@@ -37,12 +37,8 @@ namespace mbed {
  * @note Synchronization level: Interrupt safe
  */
 class LowPowerTimer : public TimerBase {
-
 public:
-    LowPowerTimer() : TimerBase(get_lp_ticker_data())
-    {
-    }
-
+    LowPowerTimer();
 };
 
 /** @}*/

drivers/source/Ticker.cpp

@@ -15,8 +15,10 @@
  * limitations under the License.
  */
 #include "drivers/Ticker.h"
+#include "drivers/LowPowerTicker.h"
 
 #include "hal/us_ticker_api.h"
+#include "hal/lp_ticker_api.h"
 #include "platform/CriticalSectionLock.h"
 #include "platform/mbed_power_mgmt.h"
 
@@ -103,4 +105,10 @@ Ticker::Ticker() : TickerBase(get_us_ticker_data(), true)
 {
 }
 
+#if DEVICE_LPTICKER
+LowPowerTicker::LowPowerTicker() : TickerBase(get_lp_ticker_data(), false)
+{
+}
+#endif
+
 } // namespace mbed

drivers/source/Timeout.cpp

@@ -39,6 +39,12 @@ Timeout::Timeout() : TimeoutBase(get_us_ticker_data(), true)
 {
 }
 
+#if DEVICE_LPTICKER
+LowPowerTimeout::LowPowerTimeout() : TimeoutBase(get_lp_ticker_data(), false)
+{
+}
+#endif
+
 /* A few miscellaneous out-of-line static members from various related classes,
  * just to save them getting needing their own cpp file for one line.
  * (In C++17 could avoid the need for this by making the members inline).
@@ -49,10 +55,4 @@ const bool LowPowerClock::is_steady;
 #endif
 const bool RealTimeClock::is_steady;
 
-#if DEVICE_LPTICKER
-LowPowerTimeout::LowPowerTimeout() : TimeoutBase(get_lp_ticker_data(), true)
-{
-}
-#endif
-
 } // namespace mbed

drivers/source/Timer.cpp

@@ -15,8 +15,10 @@
  * limitations under the License.
  */
 #include "drivers/Timer.h"
+#include "drivers/LowPowerTimer.h"
 #include "hal/ticker_api.h"
 #include "hal/us_ticker_api.h"
+#include "hal/lp_ticker_api.h"
 #include "platform/CriticalSectionLock.h"
 #include "platform/mbed_critical.h"
 #include "platform/mbed_power_mgmt.h"
@@ -121,4 +123,10 @@ Timer::Timer() : TimerBase(get_us_ticker_data(), true)
 {
 }
 
+#if DEVICE_LPTICKER
+LowPowerTimer::LowPowerTimer() : TimerBase(get_lp_ticker_data(), false)
+{
+}
+#endif
+
 } // namespace mbed