diff options
Diffstat (limited to 'src/led.c')
| -rw-r--r-- | src/led.c | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/src/led.c b/src/led.c new file mode 100644 index 0000000..4e84b07 --- /dev/null +++ b/src/led.c @@ -0,0 +1,169 @@ +/* + * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved + * + * 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 <stdio.h> +#include <stdbool.h> +#include <errno.h> +#include <system_info.h> + +#include "led.h" +#include "common.h" +#include "dbus.h" + +#define METHOD_GET_MAX_BRIGHTNESS "GetMaxBrightness" +#define METHOD_GET_BRIGHTNESS "GetBrightness" +#define METHOD_SET_BRIGHTNESS "SetBrightness" +#define METHOD_PLAY_CUSTOM "playcustom" +#define METHOD_STOP_CUSTOM "stopcustom" + +#define FRONT_LED_FEATURE "tizen.org/feature/led" +#define CAMERA_LED_FEATURE "tizen.org/feature/camera.back.flash" + +static bool support_front_led; +static bool support_camera_led; + +static void __attribute__((constructor)) init(void) +{ + int ret; + bool val; + + ret = system_info_get_platform_bool(FRONT_LED_FEATURE, &val); + if (ret == SYSTEM_INFO_ERROR_NONE && val) + support_front_led = true; + + ret = system_info_get_platform_bool(CAMERA_LED_FEATURE, &val); + if (ret == SYSTEM_INFO_ERROR_NONE && val) + support_camera_led = true; +} + +int device_flash_get_max_brightness(int *max_brightness) +{ + int ret; + + if (!support_camera_led) + return DEVICE_ERROR_NOT_SUPPORTED; + + if (!max_brightness) + return DEVICE_ERROR_INVALID_PARAMETER; + + ret = dbus_method_sync(DEVICED_BUS_NAME, + DEVICED_PATH_LED, DEVICED_INTERFACE_LED, + METHOD_GET_MAX_BRIGHTNESS, NULL, NULL); + if (ret < 0) + return errno_to_device_error(ret); + + *max_brightness = ret; + return DEVICE_ERROR_NONE; +} + +int device_flash_get_brightness(int *brightness) +{ + int ret; + + if (!support_camera_led) + return DEVICE_ERROR_NOT_SUPPORTED; + + if (!brightness) + return DEVICE_ERROR_INVALID_PARAMETER; + + ret = dbus_method_sync(DEVICED_BUS_NAME, + DEVICED_PATH_LED, DEVICED_INTERFACE_LED, + METHOD_GET_BRIGHTNESS, NULL, NULL); + if (ret < 0) + return errno_to_device_error(ret); + + *brightness = ret; + return DEVICE_ERROR_NONE; +} + +int device_flash_set_brightness(int brightness) +{ + char *arr[2]; + char buf_val[32]; + char buf_noti[32]; + int max, ret; + + if (!support_camera_led) + return DEVICE_ERROR_NOT_SUPPORTED; + + ret = device_flash_get_max_brightness(&max); + if (ret < 0) + return ret; + + if (brightness < 0 || brightness > max) + return DEVICE_ERROR_INVALID_PARAMETER; + + snprintf(buf_val, sizeof(buf_val), "%d", brightness); + arr[0] = buf_val; + snprintf(buf_noti, sizeof(buf_noti), "%d", 0); + arr[1] = buf_noti; + + ret = dbus_method_sync(DEVICED_BUS_NAME, + DEVICED_PATH_LED, DEVICED_INTERFACE_LED, + METHOD_SET_BRIGHTNESS, "ii", arr); + if (ret < 0) + return errno_to_device_error(ret); + + return DEVICE_ERROR_NONE; +} + +int device_led_play_custom(int on, int off, unsigned int color, unsigned int flags) +{ + char *arr[4]; + char str_on[32], str_off[32]; + char str_color[32], str_flags[32]; + int ret; + + if (!support_front_led) + return DEVICE_ERROR_NOT_SUPPORTED; + + if (on < 0 || off < 0) + return DEVICE_ERROR_INVALID_PARAMETER; + + snprintf(str_on, sizeof(str_on), "%d", on); + arr[0] = str_on; + snprintf(str_off, sizeof(str_off), "%d", off); + arr[1] = str_off; + snprintf(str_color, sizeof(str_color), "%lu", (long unsigned int)color); + arr[2] = str_color; + snprintf(str_flags, sizeof(str_flags), "%lu", (long unsigned int)flags); + arr[3] = str_flags; + + ret = dbus_method_sync(DEVICED_BUS_NAME, + DEVICED_PATH_LED, DEVICED_INTERFACE_LED, + METHOD_PLAY_CUSTOM, "iiuu", arr); + if (ret < 0) + return errno_to_device_error(ret); + + return DEVICE_ERROR_NONE; +} + +int device_led_stop_custom(void) +{ + int ret; + + if (!support_front_led) + return DEVICE_ERROR_NOT_SUPPORTED; + + ret = dbus_method_sync(DEVICED_BUS_NAME, + DEVICED_PATH_LED, DEVICED_INTERFACE_LED, + METHOD_STOP_CUSTOM, NULL, NULL); + if (ret < 0) + return errno_to_device_error(ret); + + return DEVICE_ERROR_NONE; +} |