From 73c2932b257451f7773cb662b35395b1d06be9b8 Mon Sep 17 00:00:00 2001 From: Eunyoung Lee Date: Wed, 6 Sep 2017 20:10:00 +0900 Subject: [PATCH] Implemented APIs for the tilt sensor Change-Id: Iae5d8e69d183e4d5860f4e15279997d5b9788cde --- CMakeLists.txt | 1 + inc/resource.h | 1 + inc/resource/resource_tilt_sensor.h | 35 ++++++++++++++++ inc/resource/resource_tilt_sensor_internal.h | 31 ++++++++++++++ inc/resource_internal.h | 1 + src/resource/resource_tilt_sensor.c | 63 ++++++++++++++++++++++++++++ 6 files changed, 132 insertions(+) create mode 100644 inc/resource/resource_tilt_sensor.h create mode 100644 inc/resource/resource_tilt_sensor_internal.h create mode 100644 src/resource/resource_tilt_sensor.c diff --git a/CMakeLists.txt b/CMakeLists.txt index 760d11a..01102f7 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -52,6 +52,7 @@ ADD_EXECUTABLE(${PROJECT_NAME} ${PROJECT_ROOT_DIR}/src/resource/resource_vibration_sensor.c ${PROJECT_ROOT_DIR}/src/resource/resource_flame_sensor.c ${PROJECT_ROOT_DIR}/src/resource/resource_sound_detection_sensor.c + ${PROJECT_ROOT_DIR}/src/resource/resource_tilt_sensor.c ) TARGET_LINK_LIBRARIES(${PROJECT_NAME} ${pkgs_LDFLAGS} -lm) diff --git a/inc/resource.h b/inc/resource.h index ac016b6..cc7fb4b 100644 --- a/inc/resource.h +++ b/inc/resource.h @@ -34,5 +34,6 @@ #include "resource/resource_vibration_sensor.h" #include "resource/resource_flame_sensor.h" #include "resource/resource_sound_detection_sensor.h" +#include "resource/resource_tilt_sensor.h" #endif /* __POSITION_FINDER_RESOURCE_H__ */ diff --git a/inc/resource/resource_tilt_sensor.h b/inc/resource/resource_tilt_sensor.h new file mode 100644 index 0000000..20d8403 --- /dev/null +++ b/inc/resource/resource_tilt_sensor.h @@ -0,0 +1,35 @@ +/* + * Copyright (c) 2017 Samsung Electronics Co., Ltd. + * + * Contact: Jin Yoon + * Geunsun Lee + * Eunyoung Lee + * Junkyu Han + * + * 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. + */ + +#ifndef __POSITION_FINDER_RESOURCE_TILT_SENSOR_H__ +#define __POSITION_FINDER_RESOURCE_TILT_SENSOR_H__ + +/** + * @brief Reads the value of gpio connected tilt sensor(SZH-EK084). + * @param[in] pin_num The number of the gpio pin connected to the tilt sensor + * @param[out] out_value The vaule of the gpio (zero or non-zero) + * @return 0 on success, otherwise a negative error value + * + * @see If the gpio pin is not open, creates gpio handle before reading the value of gpio. + */ +extern int resource_read_tilt_sensor(int pin_num, int *out_value); + +#endif /* __POSITION_FINDER_RESOURCE_TILT_SENSOR_H__ */ diff --git a/inc/resource/resource_tilt_sensor_internal.h b/inc/resource/resource_tilt_sensor_internal.h new file mode 100644 index 0000000..4468929 --- /dev/null +++ b/inc/resource/resource_tilt_sensor_internal.h @@ -0,0 +1,31 @@ +/* + * Copyright (c) 2017 Samsung Electronics Co., Ltd. + * + * Contact: Jin Yoon + * Geunsun Lee + * Eunyoung Lee + * Junkyu Han + * + * 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. + */ + +#ifndef __POSITION_FINDER_RESOURCE_TILT_SENSOR_INTERNAL_H__ +#define __POSITION_FINDER_RESOURCE_TILT_SENSOR_INTERNAL_H__ + +/** + * @brief Releases the gpio handle and changes the gpio pin state to the close(0). + * @param[in] pin_num The number of the gpio pin connected to the tilt sensor + */ +extern void resource_close_tilt_sensor(int pin_num); + +#endif /* __POSITION_FINDER_RESOURCE_TILT_SENSOR_INTERNAL_H__ */ diff --git a/inc/resource_internal.h b/inc/resource_internal.h index c5790dc..a1ce1eb 100644 --- a/inc/resource_internal.h +++ b/inc/resource_internal.h @@ -33,6 +33,7 @@ #include "resource/resource_vibration_sensor_internal.h" #include "resource/resource_flame_sensor_internal.h" #include "resource/resource_sound_detection_sensor_internal.h" +#include "resource/resource_tilt_sensor_internal.h" #define PIN_MAX 40 diff --git a/src/resource/resource_tilt_sensor.c b/src/resource/resource_tilt_sensor.c new file mode 100644 index 0000000..5a946c4 --- /dev/null +++ b/src/resource/resource_tilt_sensor.c @@ -0,0 +1,63 @@ +/* + * Copyright (c) 2017 Samsung Electronics Co., Ltd. + * + * Contact: Jin Yoon + * Geunsun Lee + * Eunyoung Lee + * Junkyu Han + * + * 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 +#include +#include +#include + +#include "log.h" +#include "resource_internal.h" + +void resource_close_tilt_sensor(int pin_num) +{ + if (!resource_get_info(pin_num)->opened) return; + + _I("Infrared Motion Sensor is finishing..."); + peripheral_gpio_close(resource_get_info(pin_num)->sensor_h); + resource_get_info(pin_num)->opened = 0; +} + +int resource_read_tilt_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_tilt_sensor; + } + + /** + * This model(SZH-EK084) normally outputs 1, and outputs 0 as out_value when the sensor is tilted. + */ + ret = peripheral_gpio_read(resource_get_info(pin_num)->sensor_h, out_value); + retv_if(ret < 0, -1); + + *out_value = !*out_value; + + return 0; +} -- 2.7.4