There was some interesting stuff here.
* ARMC6 treats assembly the same as GNU, but has a different startup
function, so we branch the asm there
* Incorrect discriminant, probably copied from other ports
While ARMC6 does use the same linker (armlink) as ARM Compiler 5, it
is not compatible.
The reason for this incompatibility are twofold:
* armlink may invoke the C preprocessor by adding a shebang
(`#!`) to the top of their input files.
* ARMC6 and ARMC5 differ in how you invoke the preprocessor:
* ARMC5: `#! armcc -E`
* ARMC6: `#! armclang -E`
This forces the tools to rewrite the shebang if it's wrong.
This does not yet handle dependencies properly
Cellular example had build issues with IAR8, combination of define and string
as argument to send function resulted in above error. Typecasting to const char *
didn't help, hence replacing the define explicitly.
Decrease the interrupt stack from 2k down to 1k so there is enough
ram to build all the tests with tickless enabled. In general, targets
should not need an interrupt stack greater than 1k with mbed-os.
Some Cortex-M0 devices, such as the nrf51, don't have the SysTick.
Instead, these targets use a software interrupt to simulate SysTick.
Add the hooks in the tickless code to support these devices. Targets
which do not have SysTick should now define NO_SYSTICK in targets.json
and implement mbed_get_m0_tick_irqn to add os suport.
This patch also removes os tick handling from the existing devices
(nrf51) since this is now handled in common code.
Add support for tickless by replacing RTX's SysTick timer code with
with code which uses an mbed timer along with suspending and
resuming the kernel in the idle loop. Tickless is enabled on a
per-target basis by defining the macro MBED_TICKLESS.
attach/detach can be multiple invoked. Therefore lock/unlock deep sleep
only for the very first time it is invoked (when callbacks
are actually changed).
Any driver with attach or async API should be considered for deep sleep.
Add locking to those that require in most cases
high-frequency clocks:
- CAN
- I2C
- SPI
- Serial
- Ticker/Timeout/Timer
Sleep manager provides API to lock/unlock deepsleep. This API allows a user to
control deep sleep.
This API should be done via atomic operations (to be IRQ/thread safe).
Jimmy Brisson
Anna Bridge
Deepika
Martin Kojtal
Russ Butler
Russ Butler