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Diffstat (limited to 'android/WALT/app/src/main/jni/sync_clock_jni.c')
-rw-r--r--android/WALT/app/src/main/jni/sync_clock_jni.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/android/WALT/app/src/main/jni/sync_clock_jni.c b/android/WALT/app/src/main/jni/sync_clock_jni.c
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+++ b/android/WALT/app/src/main/jni/sync_clock_jni.c
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "sync_clock.h"
+
+#include <android/log.h>
+#include <jni.h>
+
+
+#define APPNAME "ClockSyncJNI"
+
+// This is global so that we don't have to pass it aroundbetween Java and here.
+// TODO: come up with some more elegant solution.
+struct clock_connection clk;
+
+jlong
+Java_org_chromium_latency_walt_WaltUsbConnection_syncClock__III(
+ JNIEnv* env,
+ jobject thiz,
+ jint fd,
+ jint endpoint_out,
+ jint endpoint_in
+){
+ clk.fd = (int)fd;
+ clk.endpoint_in = (int)endpoint_in;
+ clk.endpoint_out = (int)endpoint_out;
+ clk.t_base = 0;
+ sync_clocks(&clk);
+ // __android_log_print(ANDROID_LOG_VERBOSE, APPNAME, "Returned from sync_clocks\n");
+
+ int64_t t_base = clk.t_base;
+ return (jlong) t_base;
+}
+
+void
+Java_org_chromium_latency_walt_WaltUsbConnection_updateBounds() {
+ update_bounds(&clk);
+}
+
+jint
+Java_org_chromium_latency_walt_WaltUsbConnection_getMinE() {
+ return clk.minE;
+}
+
+
+jint
+Java_org_chromium_latency_walt_WaltUsbConnection_getMaxE() {
+ return clk.maxE;
+}