2 * Copyright (c) 2018 Samsung Electronics Co., Ltd.
4 * Licensed under the Flora License, Version 1.1 (the License);
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://floralicense.org/license/
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an AS IS BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
21 #include <peripheral_io.h>
24 #include "resource/resource_led.h"
27 #define DEFAULT_BI_LED_RED 17
28 #define DEFAULT_BI_LED_GREEN 27
29 #define CONFIG_KEY_RPI_BI_LED_RED "bi.red"
30 #define CONFIG_KEY_RPI_BI_LED_GREEN "bi.green"
31 #define CONFIG_KEY_RPI_USE_BI_LED "bi.use"
33 #define DEFAULT_RGB_LED_RED 12
34 #define DEFAULT_RGB_LED_GREEN 13
35 #define DEFAULT_RGB_LED_BLUE 24
36 #define CONFIG_KEY_RPI_RGB_LED_RED "rgb.red"
37 #define CONFIG_KEY_RPI_RGB_LED_GREEN "rgb.green"
38 #define CONFIG_KEY_RPI_RGB_LED_BLUE "rgb.blue"
39 #define CONFIG_KEY_RPI_USE_RGB_LED "rgb.use"
41 #define CONFIG_GRP_RPI "Rpi.led"
44 typedef struct _led_s {
45 peripheral_gpio_h gpio_bi_led[2];
46 peripheral_pwm_h pwn_rgb_led[3];
47 led_color_e current_color;
53 static led_s s_info = {
54 .current_color = LED_COLOR_NONE,
57 #define CHECK_GPIO_ERROR(pin, ret) \
58 if (ret != PERIPHERAL_ERROR_NONE) { \
59 peripheral_gpio_close(pin); \
60 _E("GPIO ERROR: %s, %s[%d]", get_error_message(ret), __FILE__, __LINE__); \
65 static inline void _led_set(led_color_e color)
70 if (!s_info.use_bi_led) {
71 _D("Bi led is turned OFF");
90 _D("Colors: %d %d", red, green);
92 int ret = peripheral_gpio_write(s_info.gpio_bi_led[LED_COLOR_RED], red);
93 ret_error_message(ret != PERIPHERAL_ERROR_NONE, ret);
95 peripheral_gpio_write(s_info.gpio_bi_led[LED_COLOR_GREEN], green);
96 ret_error_message(ret != PERIPHERAL_ERROR_NONE, ret);
99 static gboolean _restore_color_cb(gpointer data)
101 _led_set(s_info.current_color);
105 static peripheral_gpio_h _init_gpio(int default_gpio, char *key)
107 peripheral_gpio_h gpio;
108 int ret = PERIPHERAL_ERROR_NONE;
110 bool modified = config_get_int_with_default(CONFIG_GRP_RPI, key, default_gpio, &pin);
118 peripheral_gpio_open(pin, &gpio);
119 retv_error_message(ret != PERIPHERAL_ERROR_NONE, ret, 0);
121 peripheral_gpio_set_direction(gpio, PERIPHERAL_GPIO_DIRECTION_OUT_INITIALLY_LOW);
122 retv_error_message(ret != PERIPHERAL_ERROR_NONE, ret, 0);
128 static peripheral_pwm_h _init_pwm(int default_pwm_pin, char *key)
130 peripheral_pwm_h pwm;
133 bool modified = config_get_int_with_default(CONFIG_GRP_RPI, key, default_pwm_pin, &pin);
134 _D("PWN: %d, DUTY: %u, period: %u", pin, (unsigned)2e6, (unsigned)2e7);
140 int ret = peripheral_pwm_open(1, pin, &pwm);
141 retv_error_message(ret != PERIPHERAL_ERROR_NONE, ret, NULL);
143 ret = peripheral_pwm_set_period(pwm, (unsigned)2e7);
144 retv_error_message(ret != PERIPHERAL_ERROR_NONE, ret, NULL);
146 ret = peripheral_pwm_set_duty_cycle(pwm, (unsigned)2e6);
147 retv_error_message(ret != PERIPHERAL_ERROR_NONE, ret, NULL);
149 ret = peripheral_pwm_set_enabled(pwm, true);
150 retv_error_message(ret != PERIPHERAL_ERROR_NONE, ret, NULL);
157 static void _init_rgb_led(void)
159 bool modified = config_get_int_with_default(CONFIG_GRP_RPI, CONFIG_KEY_RPI_USE_RGB_LED, 1, &s_info.use_rgb_led);
164 if (s_info.use_rgb_led) {
165 s_info.pwn_rgb_led[LED_COLOR_RED] = _init_pwm(DEFAULT_RGB_LED_RED, CONFIG_KEY_RPI_RGB_LED_RED);
166 s_info.pwn_rgb_led[LED_COLOR_GREEN] = _init_pwm(DEFAULT_RGB_LED_GREEN, CONFIG_KEY_RPI_RGB_LED_GREEN);
167 s_info.pwn_rgb_led[LED_COLOR_BLUE] = _init_pwm(DEFAULT_RGB_LED_BLUE, CONFIG_KEY_RPI_RGB_LED_BLUE);
170 peripheral_pwm_set_duty_cycle(s_info.pwn_rgb_led[LED_COLOR_RED], (unsigned)1e7);
174 static void _init_bi_led(void)
176 bool modified = config_get_int_with_default(CONFIG_GRP_RPI, CONFIG_KEY_RPI_USE_BI_LED, 1, &s_info.use_bi_led);
181 if (s_info.use_bi_led) {
182 s_info.gpio_bi_led[LED_COLOR_RED] = _init_gpio(DEFAULT_BI_LED_RED, CONFIG_KEY_RPI_BI_LED_RED);
183 s_info.gpio_bi_led[LED_COLOR_GREEN] = _init_gpio(DEFAULT_BI_LED_GREEN, CONFIG_KEY_RPI_BI_LED_GREEN);
185 _D("BI-Led is turned OFF");
189 void resource_led_init(void)
191 _D("Initialize Led");
196 void resource_led_destroy(void)
198 peripheral_gpio_close(s_info.gpio_bi_led[LED_COLOR_RED]);
199 peripheral_gpio_close(s_info.gpio_bi_led[LED_COLOR_GREEN]);
202 void resource_led_set(led_color_e color)
204 _D("Set led to: %d", color);
205 if (color == s_info.current_color) {
209 s_info.current_color = color;
213 void resource_led_blink(led_color_e color, unsigned timeout)
215 if (color == s_info.current_color) {
220 g_timeout_add(timeout, _restore_color_cb, NULL);