| commit | author | age | ||
| e30a4c | 1 | /********************************************************************************* |
| GW | 2 | * Copyright: (C) 2019 LingYun IoT System Studio |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * Filename: gpio.h | |
| 6 | * Description: This file is GPIO input/output functions | |
| 7 | * | |
| 8 | * Version: 1.0.0(2019年06月24日) | |
| 9 | * Author: Guo Wenxue <guowenxue@gmail.com> | |
| 10 | * ChangeLog: 1, Release initial version on "2019年06月24日 23时46分47秒" | |
| 11 | * | |
| 12 | ********************************************************************************/ | |
| 13 | ||
| 14 | #ifndef _GPIO_H_ | |
| 15 | #define _GPIO_H_ | |
| 16 | ||
| 17 | #include <gpiod.h> | |
| 18 | ||
| 19 | #define GPIO_MAXOUT 8 | |
| 20 | #define GPIO_MAXIN 4 | |
| 21 | ||
| 22 | typedef struct gpio_info_s | |
| 23 | { | |
| 24 | char name[32]; /* GPIO connected module name */ | |
| 25 | int pin; /* GPIO BCM pin number */ | |
| 26 | int active_level; /* active power level */ | |
| 27 | struct gpiod_line *line; /* gpiod line */ | |
| 28 | } gpio_info_t; | |
| 29 | ||
| 30 | ||
| 31 | typedef struct gpio_s | |
| 32 | { | |
| 33 | gpio_info_t output[GPIO_MAXOUT]; /* GPIO output pins */ | |
| 34 | int outcnt; /* GPIO output numbers */ | |
| 35 | int light_intval; /* light on interval time */ | |
| 36 | ||
| 37 | gpio_info_t input[GPIO_MAXIN]; /* GPIO input pins */ | |
| 38 | int incnt; /* GPIO input numbers */ | |
| 39 | int infrared_enable; /* infrared enable or not */ | |
| 40 | } gpio_t; | |
| 41 | ||
| 42 | extern int gpio_init(gpio_t *gpio); | |
| 43 | extern void gpio_term(void); | |
| 44 | ||
| 45 | /* turn which light on/off */ | |
| 46 | extern void gpio_out(char *name, char *cmd); | |
| 47 | ||
| 48 | ||
| 49 | /*thread work body to turn light $name on for some seconds */ | |
| 50 | void *light_on_worker(void *arg); | |
| 51 | ||
| 52 | /* Return value: 0(LOW): Nobody detected, !0: Which infrared detect incoming */ | |
| 53 | #define FLAG_INFRARED_INDOOR (1<<0) | |
| 54 | #define FLAG_INFRARED_HALLWAY (1<<1) | |
| 55 | extern int infrared_detect(void); | |
| 56 | ||
| 57 | #endif /* ----- #ifndef _GPIO_H_ ----- */ | |
| 58 | ||
