/****************************************************************************

Copyright(c) 2019 by Aerospace C.Power (Chongqing) Microelectronics. ALL RIGHTS RESERVED.

This Information is proprietary to Aerospace C.Power (Chongqing) Microelectronics and MAY NOT
be copied by any method or incorporated into another program without
the express written consent of Aerospace C.Power. This Information or any portion
thereof remains the property of Aerospace C.Power. The Information contained herein
is believed to be accurate and Aerospace C.Power assumes no responsibility or
liability for its use in any way and conveys no license or title under
any patent or copyright and makes no representation or warranty that this
Information is free from patent or copyright infringement.

****************************************************************************/
#ifndef _IOT_HTM_EXT_API_H
#define _IOT_HTM_EXT_API_H

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @brief:  initialize humidity and temperature sensor.
 * @retval: ERR_OK    - case successfully.
 * @retval: otherwise - error code. see ERR_XXX
 */
uint32_t iot_htm_ext_init(void);

/**
 * @brief:  deinit humidity and temperature sensor.
 */
void iot_htm_ext_deinit(void);

/**
 * @brief:  get real-time temperature, unit centigrade, range -40 - 125.
 * @param:  temp - the para preserved temperature, the temperature value has
            been amplified 10 times (* 10) avoiding float calculation.
 * @retval: ERR_OK    - case successfully.
 * @retval: otherwise - error code. see ERR_XXX
 */
uint32_t iot_htm_ext_get_temp(int32_t *temp);

/**
 * @brief:  get relative humidity, uint %RH, range 0 - 100.
 * @param:  hum - the para preserved humidity, the humidity value has
            been amplified 10 times (* 10) avoiding float calculation.
 * @retval: ERR_OK    - case successfully.
 * @retval: otherwise - error code. see ERR_XXX
 */
uint32_t iot_htm_ext_get_hum(int32_t *hum);

#ifdef __cplusplus
}
#endif

#endif //_IOT_HTM_EXT_API_H