/*********************************************************************************
 *      Copyright:  (C) 2019 LingYun IoT System Studio
 *                  All rights reserved.
 *
 *       Filename:  hal.h
 *    Description:  This file is RPi HAL(Hardware Abstract Layer) initial functions
 *
 *        Version:  1.0.0(2019年06月24日)
 *         Author:  Guo Wenxue <guowenxue@gmail.com>
 *      ChangeLog:  1, Release initial version on "2019年06月24日 23时46分47秒"
 *
 ********************************************************************************/

#ifndef  _HAL_H_
#define  _HAL_H_

#include "ds18b20.h"
#include "sht20.h"
#include "tsl2561.h"
#include "gpio.h"


typedef struct hal_ctx_s
{
    int                  ds18b20_enable; /* 0:Disable   !0: Enable */
    int                  sht2x_enable;   /* 0:Disable   !0: Enable */

    int                  lux_enable;     /* 0:Disable   !0: Enable */
    float                lux_threshold;  /* Lux Threshold value */

    gpio_t               gpio;           /* gpio intput/output pins  */
} hal_ctx_t;


/* init hardware */
extern int hal_init(hal_ctx_t *ctx);

/* terminal hardware */
extern void hal_term(hal_ctx_t *ctx);

#endif   /* ----- #ifndef _HAL_H_  ----- */