* Added mechanism enabling CPU to
enter WFI mode when the OS is
in idle, what results in large
power consumption reduction.
* Added mechanism to switch SDRAM to
self-refresh mode before entering
WFI, what resulted in further power
consumption reduction.
* Fix of the issue that source clock for PWM
module was improperly assumed to be derived
from AHB_CLK, while in reality it is
derived from IPG_CLK, what resulted in
module generating signal with 4 times
lower frequency than the configured
one.
* Cleanups.
* Adding document describing how to use logger
* Adjusting logs to follow a new guide
* Change order in log header:
line number is now before function name
Multiple fixes of clock switching related
stability issues:
* added RC oscillator hysteresis as in NXP example;
* changed DCDC converter config;
* configure PLL2 to be able to run on any CPU
frequency level;
* added switching to 1.275V (overdrive) voltage
when applying any clock change above 12MHz as
well as LDO or bandgap switching, as done in
Mbed OS' lpm.c for RT1050;
* changed BMCR AXI queues weighs for SDRAM
in JLink scripts to disable operations
reordering, as it is known to cause data
integrity issues;
* extracted some code to separate files;
* smaller or bigger code cleanups.
The secure RTC can lock and the clock is not updated.
To prevent this situation we reset LP registers (except for
timestamps and alarms) and clear the LVD flag. Then we
enable again LP SRTC.
Added extended statistics to help track potential memory leaks:
* used user heap size per task
* number of successful allocations
* number of successful frees
Next part of Harmony random resets fixes:
* added RC OSC startup delay as in newest lpm.c;
* changed order of clock source, oscillator and
LDO switching;
* removed connecting internal DCDC load resistor,
as it is only required to speed up converter
startup after it was turned off completely;
* changed DCDC operation mode to continuous
conduction;
* set low VDD_SOC_IN voltage back to 950mV as
suggested in RM.
* added switching DCDC converter mode to
discontinuous conduction for two lowest CPU
clock frequencies, as using CCM mode resulted
in very high current consumption that would
shorten Harmony's life on battery
significantly.
Fixed file access via MTP even when phone is not unlocked.
Now access is granted when the phone is unlocked by the user entering
a passcode. If the phone is not passcode protected (passcode is nor set)
then access to the files is always possible via MTP.
The system closes only if the SoC is 0%, but
it doesn't react if the voltage has low level.
The new implementation invokes the close
procedure if the voltage is less than 3.4V.
This solution should avoid possiblity to
hang the MCU.
The deleting of the USBLinuxReceive task has been added
in the USB stack de-initialization process to avoid creating
multiple instances during next initializations.
1. Implement partial refresh.
2. Implement refresh canceling mechanism.
3. Refactor some parts of the gui and display code.
ad 1.
- Detect parts of the screen changed since last update and merge them
into bigger regions. These regions defines parts of the context sent
to the display.
- Refresh the region covering all of the parts since this is the most
time consuming part and the size of the refreshed region doesn't
change the time much.
- Refresh the whole screen if deep refresh is requested and previously
fast refresh was used. This is needed to prevent unwanted artifacts
in some cases.
ad 2.
- Separate display update and refresh logic.
- Divide image display message handling into two handlers, one updating
and other one refreshing the screen.
- Add cancel refresh message and use it to cancel refresh during update.
- Store sum of refresh regions gathered during updates to refresh them
all at once at the end.
Detect parts of the screen changed since last update and merge them into
bigger regions. These regions defines parts of the context sent to the
display.
Refresh the region covering all of the parts since this is the most time
consuming part and the size of the refreshed region doesn't change the
time much.
Refresh the whole screen if deep refresh is requested and previously
fast refresh was used. This is needed to prevent unwanted artifacts in
some cases.
Refactor some parts of the gui and display code.
Updated FreeRTOS source code to 10.4.6.
Moved FreeRTOS sources to the third-party directory.
Added necessary changes to the CMake configuration.
Split FreeRTOSConfig.h. From now, each board has its own.
Added missing log headers.
Minor refactor of the module-os cmake.
Fixed stack overflows in bell application main and time service.
Add support for Reboot and Power off for the
_platform_exit code.
Add _platform_exit mode handle
Signed-off-by: Lucjan Bryndza <lucjan.bryndza@mudita.com>
