This commit represents the first stage of the low power implementations
that are required from Mbed 5.10 onwards. The LP ticker has been
implemented using a CMSDK Dual Timer's both timers (HW prescaler needed
to operate in the specified frequency domain), whereas the us ticker
uses one CMSDK Timer. Besides the default hal implementations (lp_ticker.c
and us_ticker.c), the CMSDK Dual Timer's native driver needed to be added.
Change-Id: I0b16b93dfac7753bebf430a2ce77761cb9c43ee5
Signed-off-by: Bence Kaposzta <bence.kaposzta@arm.com>
The HAL implementation (us_ticker.c and lp_ticker.c) now calls function
in cmsdk_ticker.c file. This file contains the necessary logic to be
able to only use one hardware timer (CMSDK timer) per mbed ticker.
This commit also updates the timer driver and removes legacy definition.
Change-Id: If40413822832117f9b78f38d2cdda7847284b035
Signed-off-by: Galanakis, Minos <minos.galanakis@arm.com>
Signed-off-by: Hugues de Valon <hugues.devalon@arm.com>