this fixes an issue found by Andy Piper where the H743 bootloader gets
a hard fault in the DCache enable code when SRAM1 is primary memory.
This is the simplest fix I could think of, and avoids the problem by
making DTCM the first segment in the bootloader.
Note that we can't use DTCM as first segment for main firmware since
we went to double precision EKF as the static variables don't fit
refactor rcout into separate thread and process all dshot requests there
move uart DMA completion to event model
process dshot locks in strick reverse order when unlocking
convert Shared_DMA to use mutexes
move UART transmit to a thread-per-uart
do blocking UART DMA transactions
do blocking dshot DMA transactions
trim stack sizes
cancel dma transactions on dshot when timeout occurs
support contention stats on blocking locking
move thread supression into chibios_hwdef.py
invalidate DMA bounce buffer correctly
separate UART initialisation into two halves
cleanup UART transaction timeouts
add @SYS/uarts.txt
move half-duplex handling to TX thread
correct thread statistics after use of ExpandingString
set unbuffered TX thread priority owner + 1
correctly unlock serial_led_send()
don't share IMU RX on KakuteF7Mini
observe dshot pulse time more accurately.
set TRBUFF bit for UART DMA transfers
deal with UART DMA timeouts correctly
don't deadlock on reverse ordered DMA locks
change PORT_INT_REQUIRED_STACK to 128
When hw flow control is enabled check the CTS pin before we grab the
DMA channel to prevent a long timeout trying to send to a blocked port
from holding a DMA channel against another device
this fixes issue #16587
add support for sampling GPIO pins using timer
don't restart pwm group when not doing bi-dir
fix hwdef generation preproc for TIM DMA
decode telemetry at the start of the dshot cycle
calculate dshot pulse separation correctly and ensure we output rapidly enough
calculate dshot min periods and timeouts correctly
refactor dshot_send() into dshot_send_groups()
use bi-dir dshot channel mask
selectively enable bi-dir RC Channels
process bi-dir mask correctly when allocating DMA channels
allow UP and CH DMA channel sharing
optionally enable bidir vars in hwdef.
enable bi-dir dshot in KakuteF7Mini
enable bi-dir dshot in OmnibusF4Pro
enable bi-dir dshot in OmnibusNanoV6
enable bi-dir dshot in MatekF405
enable bi-dir dshot in fmuv5
enable bi-dir dshot in fmuv3
enable bi-dir dshot in OmnibusF7V2
enable bi-dir dshot in OmnibusNanoV6
enable bi-dir dshot in CubeOrange
enable bi-dir dshot in Pixracer
enable bi-dir dshot in mRoPixracerPro
Co-authored-by: bugobliterator <siddharthbharatpurohit@gmail.com>