Implemented APIs for the sound detection sensor

Change-Id: I084892423ab1bd97f860a0bf6b70467f6c8777b8

1 files changed, 63 insertions, 0 deletions

diff --git a/src/resource/resource_sound_detection_sensor.c b/src/resource/resource_sound_detection_sensor.c
new file mode 100644
index 0000000..1cf6a77
--- /dev/null
+++ b/src/resource/resource_sound_detection_sensor.c
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2017 Samsung Electronics Co., Ltd.
+ *
+ * Contact: Jin Yoon <jinny.yoon@samsung.com>
+ *          Geunsun Lee <gs86.lee@samsung.com>
+ *          Eunyoung Lee <ey928.lee@samsung.com>
+ *          Junkyu Han <junkyu.han@samsung.com>
+ *
+ * Licensed under the Flora License, Version 1.1 (the License);
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://floralicense.org/license/
+ *
+ * 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 <stdlib.h>
+#include <unistd.h>
+#include <peripheral_io.h>
+#include <sys/time.h>
+
+#include "log.h"
+#include "resource_internal.h"
+
+void resource_close_sound_detection_sensor(int pin_num)
+{
+	if (!resource_get_info(pin_num)->opened) return;
+
+	_I("Sound Sensor is finishing...");
+	peripheral_gpio_close(resource_get_info(pin_num)->sensor_h);
+	resource_get_info(pin_num)->opened = 0;
+}
+
+int resource_read_sound_detection_sensor(int pin_num, int *out_value)
+{
+	int ret = PERIPHERAL_ERROR_NONE;
+
+	if (!resource_get_info(pin_num)->opened) {
+		ret = peripheral_gpio_open(pin_num, &resource_get_info(pin_num)->sensor_h);
+		retv_if(!resource_get_info(pin_num)->sensor_h, -1);
+
+		ret = peripheral_gpio_set_direction(resource_get_info(pin_num)->sensor_h, PERIPHERAL_GPIO_DIRECTION_IN);
+		retv_if(ret != 0, -1);
+
+		resource_get_info(pin_num)->opened = 1;
+		resource_get_info(pin_num)->close = resource_close_sound_detection_sensor;
+	}
+
+	/**
+	 * This model(NS-SDSM) normally outputs 1, and outputs 0 as out_value when sound is detected.
+	 */
+	ret = peripheral_gpio_read(resource_get_info(pin_num)->sensor_h, out_value);
+	retv_if(ret < 0, -1);
+
+	*out_value = !*out_value;
+
+	return 0;
+}