Integration with Alsa HookPlugin is now working.

1 files changed, 101 insertions, 0 deletions

diff --git a/ctl-timer.c b/ctl-timer.c
new file mode 100644
index 0000000..a826f9f
--- /dev/null
+++ b/ctl-timer.c
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2016 "IoT.bzh"
+ * Author Fulup Ar Foll <fulup@iot.bzh>
+ *
+ * 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.
+ */
+
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+#include <systemd/sd-event.h>
+
+#include "ctl-binding.h"
+
+#define DEFAULT_PAUSE_DELAY 3000
+#define DEFAULT_TEST_COUNT 1
+typedef struct {
+    int value;
+    const char *label;
+} AutoTestCtxT;
+
+static afb_event afbevt;
+
+STATIC int TimerNext (sd_event_source* source, uint64_t timer, void* handle) {
+    TimerHandleT *timerHandle = (TimerHandleT*) handle;
+    int done;
+    uint64_t usec;
+
+    // Rearm timer if needed
+    timerHandle->count --;
+    if (timerHandle->count == 0) {
+        sd_event_source_unref(source);
+        free (handle);
+        return 0;
+    }
+    else {
+        // otherwise validate timer for a new run    
+        sd_event_now(afb_daemon_get_event_loop(), CLOCK_MONOTONIC, &usec);
+        sd_event_source_set_enabled(source, SD_EVENT_ONESHOT);
+        sd_event_source_set_time(source, usec + timerHandle->delay*1000);
+    }
+
+    done= timerHandle->callback(timerHandle->context);
+    if (!done) goto OnErrorExit;
+    
+    return 0;
+
+OnErrorExit:
+    AFB_WARNING("TimerNext Callback Fail Tag=%s", timerHandle->label);
+    return -1;  
+}
+
+PUBLIC void TimerEvtStop(TimerHandleT *timerHandle) {
+
+    sd_event_source_unref(timerHandle->evtSource);
+    free (timerHandle);
+}
+
+
+PUBLIC void TimerEvtStart(TimerHandleT *timerHandle, timerCallbackT callback, void *context) {
+    uint64_t usec;
+    
+    // populate CB handle
+    timerHandle->callback=callback;
+    timerHandle->context=context;
+    
+    // set a timer with ~250us accuracy 
+    sd_event_now(afb_daemon_get_event_loop(), CLOCK_MONOTONIC, &usec);
+    sd_event_add_time(afb_daemon_get_event_loop(), &timerHandle->evtSource, CLOCK_MONOTONIC, usec+timerHandle->delay*1000, 250, TimerNext, timerHandle);
+}
+
+PUBLIC afb_event TimerEvtGet(void) {
+    return afbevt;
+}
+
+
+// Create Binding Event at Init
+PUBLIC int TimerEvtInit () {
+    
+    // create binder event to send test pause/resume
+    afbevt = afb_daemon_make_event("control");
+    if (!afb_event_is_valid(afbevt)) {
+        AFB_ERROR ("POLCTL_INIT: Cannot register ctl-events");
+        return 1;
+    }
+    
+    AFB_DEBUG ("Audio Control-Events Init Done");
+    return 0;
+}
+