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Commit 760cefe4 authored by Marvin Ramin's avatar Marvin Ramin
Browse files

Implement adb command to send vendor commands 

adb shell cmd hdmi_control vendorcommand <args> will send an HDMI-CEC
vendor command to a target device.
This equals a call to HdmiClient#sendVendorCommand.

Bug: 173182293
Test: adb shell cmd hdmi_control vendorcommand; verify with cec-adapter

Change-Id: Ie19ab05665be7c9e76fcd70634c13fcb202e2459
parent 39b22fbc

services/core/java/com/android/server/hdmi/HdmiControlShellCommand.java

+53 −0
Original line number Diff line number Diff line
@@ -65,6 +65,11 @@ final class HdmiControlShellCommand extends ShellCommand { 
        pw.println("      Print this help text.");

        pw.println("  onetouchplay, otp");

        pw.println("      Send the \"One Touch Play\" feature from a source to the TV");

        pw.println("  vendorcommand --device_type <originating device type>");

        pw.println("                --destination <destination device>");

        pw.println("                --args <vendor specific arguments>");

        pw.println("                [--id <true if vendor command should be sent with vendor id>]");

        pw.println("      Send a Vendor Command to the given target device");

    }



    private int handleShellCommand(String cmd) throws RemoteException {
@@ -74,6 +79,8 @@ final class HdmiControlShellCommand extends ShellCommand { 
            case "otp":

            case "onetouchplay":

                return oneTouchPlay(pw);

            case "vendorcommand":

                return vendorCommand(pw);

        }



        getErrPrintWriter().println("Unhandled command: " + cmd);
@@ -104,4 +111,50 @@ final class HdmiControlShellCommand extends ShellCommand { 
        }

        return cecResult.get() == HdmiControlManager.RESULT_SUCCESS ? 0 : 1;

    }



    private int vendorCommand(PrintWriter pw) throws RemoteException {

        if (6 > getRemainingArgsCount()) {

            throw new IllegalArgumentException("Expected 3 arguments.");

        }



        int deviceType = -1;

        int destination = -1;

        String parameters = "";

        boolean hasVendorId = false;



        String arg = getNextOption();

        while (arg != null) {

            switch (arg) {

                case "-t":

                case "--device_type":

                    deviceType = Integer.parseInt(getNextArgRequired());

                    break;

                case "-d":

                case "--destination":

                    destination = Integer.parseInt(getNextArgRequired());

                    break;

                case "-a":

                case "--args":

                    parameters = getNextArgRequired();

                    break;

                case "-i":

                case "--id":

                    hasVendorId = Boolean.parseBoolean(getNextArgRequired());

                    break;

                default:

                    throw new IllegalArgumentException("Unknown argument: " + arg);

            }

            arg = getNextArg();

        }



        String[] parts = parameters.split(":");

        byte[] params = new byte[parts.length];

        for (int i = 0; i < params.length; i++) {

            params[i] = (byte) Integer.parseInt(parts[i], 16);

        }



        pw.println("Sending <Vendor Command>");

        mBinderService.sendVendorCommand(deviceType, destination, params, hasVendorId);

        return 0;

    }

}