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4DCape LCD Blank screen after loading Android on BeagleBone Black

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  • 4DCape LCD Blank screen after loading Android on BeagleBone Black





    As already described in the title, I'm trying to play an Android system on my BBB. It works well so far, I haven't connected to an HDMI yet, but I can get into the console with an FTDI cable. To all this I wanted to connect a 4DCAPE-70T LCD. I got the Android system from Andrew Henderson, who assures me that the Android video on the BBB should work out of the box. My screen is black, no sign of life. As an aside, I have to say that the screen works with the Debian on the BBB. I had also tried the releases from TI i.e. Jelly Bean, but the effect there is the same, nothing. But I have a snippet from the moment after the kernel starts where it has something to complain about the LCD. Can this somehow help to solve my problem?

    Code:
    7666] init: cannot find '/system/etc/install-recovery.sh', disabling 'flash_recovery' [ 3.444359] healthd: BatteryHealthPath not found [ 3.449676] healthd: BatteryPresentPath not found [ 3.462670] init: property 'sys.powerctl' doesn't exist while expanding '${sys.powerctl}' [ 3.472269] bone-capemgr bone_capemgr.9: failed to load firmware 'BB-BONE-4D7R-01-00A1.dtbo' [ 3.481191] bone-capemgr bone_capemgr.9: loader: failed to load slot-0 BB-BONE-4D7R-01:00A1 (prio 0) [ 3.490889] bone-capemgr bone_capemgr.9: loader: check slot-6 BB-BONELT-HDMIN:00A0 (prio 2) [ 3.499656] bone-capemgr bone_capemgr.9: loader: check slot-5 BB-BONELT-HDMI:00A0 (prio 1) [ 3.508324] bone-capemgr bone_capemgr.9: loader: check slot-4 BB-BONE-EMMC-2G:00A0 (prio 1) [ 3.518183] healthd: BatteryCapacityPath not found [ 3.525242] bone-capemgr bone_capemgr.9: loader: after slot-5 BB-BONELT-HDMI:00A0 (prio 1) [ 3.536381] bone-capemgr bone_capemgr.9: loader: after slot-4 BB-BONE-EMMC-2G:00A0 (prio 1) [ 3.546332] healthd: BatteryVoltagePath not found [ 3.552647] init: powerctl: cannot expand '${sys.powerctl}' [ 3.560769] healthd: BatteryTemperaturePath not found [ 3.566372] bone-capemgr bone_capemgr.9: slot #5: Requesting firmware 'cape-boneblack-hdmi-00A0.dtbo' for board-name 'Bone-Black-HDMI', version '00A0' [ 3.580718] init: property 'sys.sysctl.extra_free_kbytes' doesn't exist while expanding '${sys.sysctl.extra_free_kbytes}' [ 3.592421] healthd: BatteryTechnologyPath not found [ 3.598410] binder: 86:86 transaction failed 29189, size 0-0


  • #2
    Hi, for everyone who struggles. I was wrong about the model of my LCD, it is the new versio the gen4, so the available Android releases wont work .. for now at least.

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