FPort code is mostly imported from Betaflight. To make future RX
updates easier, a few more changes have been done to make the
RX/Telemetry code in BF and INAV a bit closer.
- Imported RSSI handling code from BF with some changes
- frsky_vfas_cell_voltage setting renamed to report_cell_voltage
- Added telemetry_halfduplex setting
- sbus_inversion renamed to serialrx_inverted, should apply to all
protocols eventually
- New MSP cmds MSP_TX_INFO/MSP_SET_TX_INFO now allow setting the RSSI
via MSP, thus RX_MSP doesn't need to use an extra channel anymore.
Implement functions for accessing battery/current state rather
than accessing global variables directly. This will let us reuse
the RX/telemetry code from BF minimizing the required changes.
Thanks to LTO, this only adds a small ~20 byte overhead in flash.
* increase battery voltage resolution to 10mV
* increase battery voltage resolution to 10mV: update VBATT_HYSTERESIS
* increase battery voltage resolution to 10mV: fix telemetry and other places where vbat calculations needs to be divided by 10
* increase battery voltage resolution to 10mV: revert blackbox data to 100mV resolution because modifying the viewer is not trivial
* increase battery voltage resolution to 10mV: change new MSPv2 frame type names to follow convention
* smartport telemetry: remove wrong and now irrelevant comments
* Improve battery monitoring
* improve battery monitoring: fix/simplify the batteryAdcToVoltage function
* improve battery monitoring: Add OSD voltage decimals setting to OSD MISC menu
* improve battery monitoring: clean the batteryConfig struct
* improve battery monitoring: increase batteryConfig PG group version to 1
* improve battery monitoring: change capacity settings type from uin16_t to uint32_t (65Wh is not very large, it is about 6Ah for a 3S Li-Po)
* improve battery monitoring: rename capacity settings
* improve battery monitoring: improve OSD code
* improve battery monitoring: simplified taskUpdateBattery
* improve battery monitoring: use unfiltered vbat to decide if the battery is full
This will eventually let us reduce global static variable usage and
share more code with BF, since they've already made this change
to their serial API.
While doing too much stuff in the callback is not ideal (it's called
from the ISR right now), we can change that later in the implementation
without affecting the API surface (by e.g. introducing a ring buffer
per serial port and calling the callback from TASK_SERIAL).
