As already mentioned here https://www.magiclantern.fm/forum/index.php?topic=7531.msg232995#msg232995 we were wrong about the pinout of the service connector. Mike Tornado has found out the correct one which is:
When using this pinout I do now get an echo from MPU. Hitting enter shows a prompt:
Typing HELP lists all available commands on MPU:
Prompt is not available when camera is turned off.
And here we have another set of functions which are waiting to be explored.
Code Select
1: VCC_ICU (1v8)
2: RX_ICU (1v8)
3: TX_ICU (1v8)
4: GND
5: /MPU_FORCED_WAKEUP (3v3)
6: TX_MPU (3v3)
7: RX_MPU (3v3)
8: VCC_MPU (3v3)
When using this pinout I do now get an echo from MPU. Hitting enter shows a prompt:
Code Select
>>>MON
Typing HELP lists all available commands on MPU:
Code Select
MON>>>HELP
-----------------------------------------------
Monitor Command List
-----------------------------------------------
INDIINFO INDICLK INDIAVE ACCCAMPOS CYCLE
ADPTEST BATTCLOSE BATTCHECK BCINFO BATTLEVEL
BATTUSEERR BATTREPREQ BATTEXCLU BATTCHECKSPEC
GETRCP GETRC GETSC FGCOMM FGCOMME4 BATTINFO
VLDET CHGBATTLEVEL ABOUT VER FAABOUT FAVER HELP
UPBNY TRMOSC DEBUGLOG ICUREQ DISPPORTKEEP REGR
REGW MEMR MEMW EEPR EEPW EEPCLK ADCHECK
ADCHECK2 ADTIME ADMODE SCOUT UARTMODE UARTBRD
UARTSEND DNFCLK DNFON DNFOFF RTCON RTCOFF
RTCADJON RTCADJOFF TIMEOUT KWUPCNT I2C ICUTEST
MODE MPUSHUTDOWN MPUMUKO SHUTDOWNDEBUG USBCHG
BATSEL GRIPLED LENSPOWER E1ON E1OFF FACMD
TIMERCMD INFOCMD STACKINFO SW MDIALMODE
TEMPINFO TEMPCLK DRYCTEST SYSRESET DLOG DTASK
DUMP LED
Prompt is not available when camera is turned off.
And here we have another set of functions which are waiting to be explored.