1khz update rate for F.Sim competitions

[3djc]

This make the mixer run at 1000Hz when in Joystick mode (Needed for F.Sim competitors), also displays mixer run time in statistic/debug screen.

BOTH MODULE need to be off on model setup page to get that speed

Result of work with TDog on discord

(Windows may require special drivers to reach that speed)

[3djc]

Tested ok on a 'regular' windows PC without adverse effect, if someone with a Mac could just test their regular sim still works ok

[philmoz]

Will running the mixer at twice the speed affect battery life?

Should it be an optional setting as 99.9% of users probably don't need it?

[philmoz]

The comment in mixer_scheduler.h needs to be updated - still says '2ms'

[pfeerick]

Given that the actual heavy power consumers (the RF modules) are turned off... I would think a power consumption increase (if any) - is negligible. RF and backlight consume the bulk of the power.

[pfeerick]

Some stats from the TX16S you might be interested in @philmoz basically at best there is a 1mA increase in power consumption due to this PR... in a system that is very power hungry in many other ways ;)

Voltage: 8.2v

backlight	no RF (mA)	internal MPM (mA)	joystick 2.10 (mA)	joystick PR (mA)
min	127	216	127-128	128-129
max	293	414		293-294
off	123	212

[pfeerick]

Works as described for me also on TX16S... jumps from 500Hz to 1000Hz as measured by https://fpvsim.com/radio-tester