BR20 Release Notes (autoextracted) - 2022/08/11 
2022.08b  MPFS12 Test release.
--- RELEASE NOTES (OLDEST ON TOP, NEWEST AT THE BOTTOM) ------
Disabled Send_PI_REQDISP, allow SendRate_To_PI 
only when PI is not the selected source.              2021.03o
Speeding up timeslicing dusing SAVEBITMAP.            2021.04a
Fixing spurious erasing of bitmaps by some events.    2021.04b
More delays after SETBAUD.                            2021.04c
Debugged SETBAUD, added info in #10LIST06             2021.04d
Bug fix in Display_SavePixArray.                      2021.04e
Bug fixes in Display                                  2021.04h
Fixed SendMute_to_PI behavior. Rst baud in stby.
Prevent calling server in high disp speed mode.       2021.04i
Reduced MAX_MPFS_HANDLES to 250 to fix LIST cmds.     2021.04j
Reduce PI_MAX_xxBUF to free RAM for PLD prog  2021.05a
Tweaking PI_MAX_xxBUF 2021.05b
Modified Balance commands and responses, bug fixes.   2021.05d
Speeding/slowing Balance L/R buttons.                 2021.05f
Fixed headphone mute-unmute by volume bug.            2021.06a
Added diag using IO6 from PI, fixed GETMUT cmd.       2021.06b
Fixed Display Bitmap command.                         2021.06c
Fixed PI IP disp. Request_About_from_PI in Write_PI.  2021.06d
Fixed DISP in txt mode. Made TRACKMETA dflt disp 4 PI 2021.06e
Fixed issue #5 allowing DISPx from PI for non-PI Src  2021.06f
Reducing calls to REQABOUTxx and making xx=10.        2021.06g
Adding expanded diagnostics for STREAMER BOOT:
 - bad response! error.                               2021.06h
Inverting DAC output phase, moved Send vol to PI 
from t100ms to t300ms.                                2021.06i
Made PIVOL response after SETVOL from PI.             2021.06j
Disabled PIVOL response after SETVOL from PI.         2021.06k
Changed LCD brightness scale from 0-10 to 1-10, and
implemented logarythimic brightness lookup table.     2021.06m
Fixed phase invert yellow LEDs and LOCK off.          2021.06n
Updated WebPages2 sources.                            2021.06o
Added MAXV command.                                   2021.06p
Cleanup.                                              2021.06q
Fixed IO6 handling                                    2021.06r
Fixing missing SAVING... message                      2021.06s
Added SET/GET MAXVOL and PRESETSTAT cmds. Cleanup.    2021.06t
Detection of MM 2021-2-26 limited balance range.      2021.06u
Allow execution of PI cmd regardless of IO6 status.   2021.07a
Added send OK ack. resp. to PI after IO6/UART reset.
Added #10BAUDxx command (com.c).                      2021.07b
Enabled UPSMP LED (BFA).                              2021.07c
Added STATUS_USBXCLUSIVEBOOT to status.
Change Vol=f(Balance) from max to avr.
Re-enabled PIVOL response (1298).
Prevent POWER LED off with rpt PWR key press.         2021.07d
Minor mod in volume_set_vol_mB().                     2021.07e
Speeding up FROM_PI_SETVOL and fixed SETPVOL cmd      2021.08a TEST
Speeded up volume knob                                2021.08b
Fixed minor bug in Display_AllocPixArray 			   2021.08c
Modified upsample commands.                           2021.08d
Added diagnostics for UDP port overrun                2021.08e
Added Home Theatre Bypass                             2021.08f
Modified Bypass codea 244,245 to 219,220. 
Added vol & bal save and restore.                     2021.08h
Prevent recursion in main_ExecuteVolumeChange.        2021.08i
Speedup ConditionalSendVolToPI: 300ms --> 100ms       2021.08j
Added status bit10,11 for UDP port disallowing,
added command #10STTSxx to set/get SysPar. status,
added sysstat.cgi?status=00001234 and ~status~.       2021.08k
Made response after SETVOL from PI to be OK vvv .END.,
remove PIVOL autofbk, by def USE_OK_PIVOL_CMD.        2021.09a
Undef USE_OK_PIVOL_CMD 2021.08b- disbl above feature. 2021.09b
Fixed Home Theatre Bypass popping sound               2021.09c
Fixed Home Theatre Bypass, tested.                    2021.09d
Calling ClearReceiveBuff in SETVOL to preempt	
execution of cached volume commands.                  2021.09f
Fixed Home Theatre Bypass related bugs.               2021.09g
Fixed non-updating LEDs when switching SPDIFs.        2021.09h
Fixed src sw mute too short when into analog.         2021.10a
Clr & block Pic16 cmds for 0.5s after SETVOL.         2021.10b
Fixing PI and P16 command processing timing.          2021.10c
Disabled FP interrupts when PI communicates, 
*** 2021.10c IS TEST RELEASE DO NOT USE! ***          2021.10c,10T
Fixed spurious input name after source switching.     2021.11a
Added more robust PI RX buffer overrun protection.    2021.11b
Fix p2p2 interpt stuck with g_inside_update==1, 
Added vol enc filter against UDU and DUD events.11c   2021.11c
Added antipopping mute in HDMI (for DSD)              2021.11d
Made TRIG per source, not global.                     2021.11e
Noninverted IO5, active high.                         2022.01a
Inverted IO5, active low.                             2022.01c
Mute a pop on analog after power-on.                  2022.01d
added retransmit to bryston support server every 
24h, if powered on and standby.                       2022.01e
Speeded up PI command response.                       2022.01f
Protection of PI initialization
removed Delay_10us(200) from PI cmd responses         2022.02a
testing timing TEST_PIUART 2022.02b
Set PI_BAUDRATE_Hz=115200	2022.02c
Set BAUD_RATE=PI_BAUDRATE_Hz=115200  2022.02d efghijk reserved
(NO: -PI cmd decode in inter)
Added GG mod involving g_p2p2_pause_flg              2022.02l
Added reject SAVEBITMAP cmd by g_executing_vol_flg   2022.02l MkIII
Downoptimizing pi.c module from -Os to -O1 (reduces hanging) 2022.02x MkIII
Downoptimizing buttons.c, main.c from -Os to -O1  
and selecting less optimized lib from -Os to -O1 in
in global linker Library Selection.                
Appended \n byte after .END. for all PI comms.       
Added flag to protect SAVEBITMAP and other PI 
cmd from overruns.                                   2022.02x MkIV
pi.c and buttons.c --> -O0                           2022.02x MkV
Added mod (1358) in _p2p2_IC1_InterruptService.      2022.02x MkVI
Modified mod (1358) .      
Fixing crash in pi.c buf[16], s_rx_overrun (1359).   2022.02x MkVII
Fixing IO6 UART reset (1360)                         2022.02x MkVIII
Fixed memory leakage in pi_Open                      2022.02x MkIX
Added OLED scr saver 60s. Deflt Vol Max=0dB.         2022.02x MkX
Changed scr saver to 20 minutes.                     2022.02x MkXI
Modified disp refresh to accomodate PI
releases for Roon 22-03-04 or later.                 2022.03a
Fixed VOL_DFLT_MAXVOL_mB bug. Reverted to +12dB      2022.03b
Added #10RATE command.                               2022.03c
Added Bacon cmd responses: HEADPHONEOUT and STANDARDOUT.
Added PI cmd GETOUTPUT.                              2022.03d
Fixed 5s OK ping to PI to recover missing ack.(1367)     
Testing data file transfer.                          2022.03e
Fixed DefaultEEPROM-MUTE-0dB volume bug
Added temporary mute for PI-AnalogBYPASS-PI switching. 
Made scr saver disable by selecting the even Bright value.
Added SYSTEM INFO-->TRIGR OUT SETUP screen.          2022.04a
Fixed switched channel trigg out bug.                2022.04b
Changed VOL_MAX_SAFE_mB to -4000 (-40dB)	          2022.04c
Fixed auto initialization on blank unit.	          2022.04x
Rising TESTMODE flag disables halting exec on 0-cross error. 
Enabled I2C_DEBUG_DUMP_ENABLE (uses RS232).          2022.05a
Added global trigger1 and trigger2 dflt menu.   
Added global save and restore all names.             2022.05b
Fixed PI play track display restore after volume.    2022.05c
Prevented spurious src sw by PI in shutdown,
fixed SPDIF loss of lock in pwrup at 96k+.           
Reduced "TCPIP WByte TOut" from 1m to 10s.           2022.05d
Fixed a bug in 05d of calling UpdateSPDIF in PI.     2022.05e
Fixed balance.cgi bug.                               2022.06a
Implementing anti-PI-spam protection, vol prob.      2022.08b