1 files changed, 101 insertions, 0 deletions
diff --git a/src/resource/resource_led.c b/src/resource/resource_led.c
new file mode 100755
index 0000000..a6edd7c
--- /dev/null
+++ b/src/resource/resource_led.c
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2018 Samsung Electronics Co., Ltd.
+ *
+ * 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 <peripheral_io.h>
+#include "resource/resource_led.h"
+#include "log.h"
+
+typedef enum {
+	LED_HANDLE_ERROR_NONE = 0,                /**< Successful */
+	LED_HANDLE_ERROR_NOT_OPEN,
+	LED_HANDLE_ERROR_INVALID_PIN
+} led_handle_error_e;
+
+static peripheral_gpio_h g_sensor_h = NULL;
+static int g_pin_num = -1;
+
+int _resource_validate_led(int pin_num)
+{
+	int ret = LED_HANDLE_ERROR_NONE;
+
+	if (!g_sensor_h)
+	{
+		ret = LED_HANDLE_ERROR_NOT_OPEN;
+	} else if (g_pin_num != pin_num) {
+		ret = LED_HANDLE_ERROR_INVALID_PIN;
+	}
+
+	return ret;
+}
+
+int resource_open_led(int pin_num)
+{
+	int ret = PERIPHERAL_ERROR_NONE;
+	peripheral_gpio_h temp = NULL;
+
+	ret = peripheral_gpio_open(pin_num, &temp);
+	if (ret != PERIPHERAL_ERROR_NONE) {
+		peripheral_gpio_close(temp);
+		_E("peripheral_gpio_open failed.");
+		return -1;
+	}
+
+	ret = peripheral_gpio_set_direction(temp, PERIPHERAL_GPIO_DIRECTION_OUT_INITIALLY_LOW);
+	if (ret != PERIPHERAL_ERROR_NONE) {
+		peripheral_gpio_close(temp);
+		_E("peripheral_gpio_set_direction failed.");
+		return -1;
+	}
+
+	g_sensor_h = temp;
+	g_pin_num = pin_num;
+
+	return 0;
+}
+
+void resource_close_led(void)
+{
+	if (!g_sensor_h) return;
+
+	_I("LED is finishing...");
+
+	peripheral_gpio_close(g_sensor_h);
+
+	g_sensor_h = NULL;
+	g_pin_num = -1;
+}
+
+int resource_write_led(int pin_num, int write_value)
+{
+	int ret = PERIPHERAL_ERROR_NONE;
+	int ret_valid = LED_HANDLE_ERROR_NONE;
+
+	ret_valid = _resource_validate_led(pin_num);
+	if (ret_valid != LED_HANDLE_ERROR_NONE) {
+		if (ret_valid == LED_HANDLE_ERROR_NOT_OPEN) {
+			ret = resource_open_led(pin_num);
+			retv_if(ret != PERIPHERAL_ERROR_NONE, -1);
+		} else if (ret_valid == LED_HANDLE_ERROR_INVALID_PIN) {
+			_E("Invalid pin number.");
+			return -1;
+		}
+	}
+
+	ret = peripheral_gpio_write(g_sensor_h, write_value);
+	retv_if(ret < 0, -1);
+
+	return 0;
+}