/** ****************************************************************************** * @file DHT11.h * @author Eshen Wang * @version V1.0.0 * @date 1-May-2015 * @brief DHT11 operations. ****************************************************************************** * UNPUBLISHED PROPRIETARY SOURCE CODE * Copyright (c) 2016 MXCHIP Inc. * * The contents of this file may not be disclosed to third parties, copied or * duplicated in any form, in whole or in part, without the prior written * permission of MXCHIP Corporation. ****************************************************************************** */ #ifndef __DHT11_H_ #define __DHT11_H_ #include "common.h" #include "platform.h" /** @addtogroup MICO_Drivers_interface * @{ */ /** @addtogroup MiCO_Sensor_Driver * @{ */ /** @defgroup MiCO_DHT11_Driver MiCO DHT11 Driver * @brief Provide driver interface for DHT11 Sensor * @{ */ #ifndef DHT11_DATA #define DHT11_DATA MICO_GPIO_NONE #endif // Set GPIO Direction #define DHT11_IO_IN() MicoGpioInitialize( (mico_gpio_t)DHT11_DATA, INPUT_PULL_UP ); #define DHT11_IO_OUT() MicoGpioInitialize( (mico_gpio_t)DHT11_DATA, OUTPUT_PUSH_PULL ); // Set Data output state #define DHT11_DATA_Clr() MicoGpioOutputLow(DHT11_DATA) #define DHT11_DATA_Set() MicoGpioOutputHigh(DHT11_DATA) // get DATA input state #define DHT11_DQ_IN MicoGpioInputGet(DHT11_DATA) //-------------------------------- USER INTERFACES ----------------------------- /** * @brief Initialize DHT11. * * @return 0 : on success. * @return others : if an error occurred */ uint8_t DHT11_Init(void); //Init DHT11 /** * @brief Read DHT11 value. * * @param temperature : Temperature value of DHT11 * @param humidity : Humidity value of DHT11 * * @return 0 : on success. * @return others : if an error occurred */ uint8_t DHT11_Read_Data(uint8_t *temperature,uint8_t *humidity); /** * @brief Read One byte from DHT11 value. * * @return 0 : on success. * @return others : if an error occurred */ uint8_t DHT11_Read_Byte(void);//Read One Byte /** * @brief Read One bit from DHT11 value. * * @return 0 : on success. * @return others : if an error occurred */ uint8_t DHT11_Read_Bit(void);//Read One Bit /** * @brief Check DHT11. * * @return 0 : on success. * @return others : if an error occurred */ uint8_t DHT11_Check(void); /** * @brief Reset DHT11 * * @return none */ void DHT11_Rst(void); /** * @brief Millisecond delay function * * @param nms: Delay time * * @return none */ void Delay_ms(uint16_t nms); /** * @brief Microsecond delay function * * @param nms: Delay time * * @return none */ void Delay_us(uint32_t nus); /** * @} */ /** * @} */ /** * @} */ // delay func //void Delay_Init(uint8_t SYSCLK); #endif // __DHT11_H_