temphum17.h

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/****************************************************************************
** Copyright (C) 2020 MikroElektronika d.o.o.
** Contact: https://www.mikroe.com/contact
**
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** of this software and associated documentation files (the "Software"), to deal
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** copies of the Software, and to permit persons to whom the Software is
** furnished to do so, subject to the following conditions:
** The above copyright notice and this permission notice shall be
** included in all copies or substantial portions of the Software.
**
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** OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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#ifndef TEMPHUM17_H
#define TEMPHUM17_H
 
#ifdef __cplusplus
extern "C"{
#endif
 
#ifdef PREINIT_SUPPORTED
#include "preinit.h"
#endif
 
#ifdef MikroCCoreVersion
    #if MikroCCoreVersion >= 1
        #include "delays.h"
    #endif
#endif
 
#include "drv_digital_out.h"
#include "drv_digital_in.h"
#include "drv_i2c_master.h"
    
#define TEMPHUM17_REG_HUMIDITY_SENSOR_RESOLUTION_READ           0x06
#define TEMPHUM17_REG_HUMIDITY_SENSOR_RESOLUTION_WRITE          0x46
#define TEMPHUM17_REG_TEMPERATURE_SENSOR_RESOLUTION_READ        0x11
#define TEMPHUM17_REG_TEMPERATURE_SENSOR_RESOLUTION_WRITE       0x51
#define TEMPHUM17_REG_SENSOR_ID_UPPER_READ                      0x1E
#define TEMPHUM17_REG_SENSOR_ID_LOWER_READ                      0x1F
 
 // temphum17_reg
 
#define TEMPHUM17_CMD_ENTER_PROGRAMMING_MODE                    0xA0
#define TEMPHUM17_CMD_DUMMY                                     0x00
#define TEMPHUM17_CMD_ENTER_MEASUREMENTS_MODE                   0x80
 // temphum17_cmd
 
#define TEMPHUM17_STATUS_VALID_DATA                              0x00
#define TEMPHUM17_STATUS_STALE_DATA                              0x01
 // temphum17_status
 
#define TEMPHUM17_RESOLUTION_8_BITS                             0x00
#define TEMPHUM17_RESOLUTION_10_BITS                            0x01
#define TEMPHUM17_RESOLUTION_12_BITS                            0x02
#define TEMPHUM17_RESOLUTION_14_BITS                            0x03
 
#define TEMPHUM17_SET_DEV_ADDR                                  0x44
 
 // temphum17_set
 
#define TEMPHUM17_MAP_MIKROBUS( cfg, mikrobus )   \
    cfg.scl = MIKROBUS( mikrobus, MIKROBUS_SCL ); \
    cfg.sda = MIKROBUS( mikrobus, MIKROBUS_SDA )
 
 // temphum17_map
 // temphum17
 
typedef struct
{
    // Modules
 
    i2c_master_t i2c;          
    // I2C slave address
 
    uint8_t slave_address;     
} temphum17_t;
 
typedef struct
{
    pin_name_t  scl;           
    pin_name_t  sda;           
    uint32_t  i2c_speed;       
    uint8_t   i2c_address;     
} temphum17_cfg_t;
 
typedef enum
{
   TEMPHUM17_OK = 0,
   TEMPHUM17_ERROR = -1
 
} temphum17_return_value_t;
 
void temphum17_cfg_setup ( temphum17_cfg_t *cfg );
 
err_t temphum17_init ( temphum17_t *ctx, temphum17_cfg_t *cfg );
 
err_t temphum17_default_cfg ( temphum17_t *ctx );
 
err_t temphum17_generic_write ( temphum17_t *ctx, uint8_t reg, uint8_t *tx_buf, uint8_t tx_len );
 
err_t temphum17_generic_read ( temphum17_t *ctx, uint8_t reg, uint8_t *rx_buf, uint8_t rx_len );
 
err_t temphum17_wake_up ( temphum17_t *ctx );
 
err_t temphum17_get_raw_data ( temphum17_t *ctx, uint8_t resolution, int16_t *temp, uint16_t *hum, uint8_t *status );
 
err_t temphum17_get_temp_hum ( temphum17_t *ctx, uint8_t resolution, float *temperature, float *humidity );
 
err_t temphum17_enter_programming_mode ( temphum17_t *ctx );
 
err_t temphum17_enter_measurements_mode ( temphum17_t *ctx );
 
err_t temphum17_set_relative_humidity_resolution ( temphum17_t *ctx, uint8_t resolution );
 
err_t temphum17_set_temperature_resolution ( temphum17_t *ctx, uint8_t resolution );
 
#ifdef __cplusplus
}
#endif
#endif // TEMPHUM17_H
 
 // temphum17
 
// ------------------------------------------------------------------------ END