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Commit 7dbc4b45 authored by Mike Lockwood's avatar Mike Lockwood Committed by Mike Lockwood
Browse files

Add SerialPort.sendBreak() 



Signed-off-by: default avatarMike Lockwood <lockwood@android.com>
parent 21d524ea

core/java/android/hardware/SerialPort.java

+8 −0
Original line number Diff line number Diff line
@@ -113,10 +113,18 @@ public class SerialPort { 
        }

    }



    /**

     * Sends a stream of zero valued bits for 0.25 to 0.5 seconds

     */

    public void sendBreak() {

        native_send_break();

    }



    private native void native_open(FileDescriptor pfd, int speed) throws IOException;

    private native void native_close();

    private native int native_read_array(byte[] buffer, int length) throws IOException;

    private native int native_read_direct(ByteBuffer buffer, int length) throws IOException;

    private native void native_write_array(byte[] buffer, int length) throws IOException;

    private native void native_write_direct(ByteBuffer buffer, int length) throws IOException;

    private native void native_send_break();

}

core/jni/android_hardware_SerialPort.cpp

+8 −0
Original line number Diff line number Diff line
@@ -234,6 +234,13 @@ android_hardware_SerialPort_write_direct(JNIEnv *env, jobject thiz, jobject buff 
        jniThrowException(env, "java/io/IOException", NULL);

}



static void

android_hardware_SerialPort_send_break(JNIEnv *env, jobject thiz)

{

    int fd = env->GetIntField(thiz, field_context);

    tcsendbreak(fd, 0);

}



static JNINativeMethod method_table[] = {

    {"native_open",             "(Ljava/io/FileDescriptor;I)V",

                                        (void *)android_hardware_SerialPort_open},
@@ -246,6 +253,7 @@ static JNINativeMethod method_table[] = { 
                                        (void *)android_hardware_SerialPort_write_array},

    {"native_write_direct",     "(Ljava/nio/ByteBuffer;I)V",

                                        (void *)android_hardware_SerialPort_write_direct},

    {"native_send_break",       "()V",  (void *)android_hardware_SerialPort_send_break},

};



int register_android_hardware_SerialPort(JNIEnv *env)