From: Eunyoung Lee <ey928.lee@samsung.com>
Date: Wed, 19 Jul 2017 07:34:36 +0000 (+0900)
Subject: Modified internal value of the ultrasonic sensor
X-Git-Tag: accepted/tizen/4.0/unified/20170828.224146~15^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=refs%2Fchanges%2F08%2F139508%2F1;p=apps%2Fnative%2Fposition-finder-server.git

Modified internal value of the ultrasonic sensor

Change-Id: I41638df54ed300ff3aa59916345e1aedb9abf93c
---

diff --git a/src/resource/resource_ultrasonic_sensor.c b/src/resource/resource_ultrasonic_sensor.c
index 1dae292..2dd2b62 100644
--- a/src/resource/resource_ultrasonic_sensor.c
+++ b/src/resource/resource_ultrasonic_sensor.c
@@ -52,34 +52,34 @@ static int _get_echo_value(int echo_pin_num)
 	return value;
 }
 
-int resource_read_ultrasonic_sensor(int echo_pin_num, int trig_pin_num, double *out_value)
+int resource_read_ultrasonic_sensor(int trig_pin_num, int echo_pin_num, double *out_value)
 {
 	int ret = 0;
 	double duration = 0.0;
 	struct timeval start_time, end_time, temp_start_time, temp_end_time;
 
-	if (!resource_get_info(echo_pin_num)->opened) {
-		_I("Ultrasonic sensor is initializing...");
+	if (!resource_get_info(trig_pin_num)->opened) {
+		_I("Ultrasonic sensor's trig is initializing...");
 
-		ret = peripheral_gpio_open(echo_pin_num, &resource_get_info(echo_pin_num)->sensor_h);
-		retv_if(!resource_get_info(echo_pin_num)->sensor_h, -1);
+		ret = peripheral_gpio_open(trig_pin_num, &resource_get_info(trig_pin_num)->sensor_h);
+		retv_if(!resource_get_info(trig_pin_num)->sensor_h, -1);
 
-		ret = peripheral_gpio_set_direction(resource_get_info(echo_pin_num)->sensor_h, PERIPHERAL_GPIO_DIRECTION_IN);
+		ret = peripheral_gpio_set_direction(resource_get_info(trig_pin_num)->sensor_h, PERIPHERAL_GPIO_DIRECTION_OUT);
 		retv_if(ret != 0, -1);
 
-		resource_get_info(echo_pin_num)->opened = 1;
+		resource_get_info(trig_pin_num)->opened = 1;
 	}
 
-	if (!resource_get_info(trig_pin_num)->opened) {
-		_I("Ultrasonic sensor is initializing...");
+	if (!resource_get_info(echo_pin_num)->opened) {
+		_I("Ultrasonic sensor's echo is initializing...");
 
-		ret = peripheral_gpio_open(trig_pin_num, &resource_get_info(trig_pin_num)->sensor_h);
-		retv_if(!resource_get_info(trig_pin_num)->sensor_h, -1);
+		ret = peripheral_gpio_open(echo_pin_num, &resource_get_info(echo_pin_num)->sensor_h);
+		retv_if(!resource_get_info(echo_pin_num)->sensor_h, -1);
 
-		ret = peripheral_gpio_set_direction(resource_get_info(trig_pin_num)->sensor_h, PERIPHERAL_GPIO_DIRECTION_IN);
+		ret = peripheral_gpio_set_direction(resource_get_info(echo_pin_num)->sensor_h, PERIPHERAL_GPIO_DIRECTION_IN);
 		retv_if(ret != 0, -1);
 
-		resource_get_info(trig_pin_num)->opened = 1;
+		resource_get_info(echo_pin_num)->opened = 1;
 	}
 
 	ret = peripheral_gpio_write(resource_get_info(trig_pin_num)->sensor_h, 0);