thermostat.h

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/*
 * MikroSDK - MikroE Software Development Kit
 * Copyright© 2020 MikroElektronika d.o.o.
 * 
 * Permission is hereby granted, free of charge, to any person 
 * obtaining a copy of this software and associated documentation 
 * files (the "Software"), to deal in the Software without restriction, 
 * including without limitation the rights to use, copy, modify, merge, 
 * publish, distribute, sublicense, and/or sell 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.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE 
 * OR OTHER DEALINGS IN THE SOFTWARE. 
 */
 
// ----------------------------------------------------------------------------
 
#ifndef THERMOSTAT_H
#define THERMOSTAT_H
 
#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"
 
 
// -------------------------------------------------------------- PUBLIC MACROS 
#define THERMOSTAT_MAP_MIKROBUS( cfg, mikrobus ) \
  cfg.scl  = MIKROBUS( mikrobus, MIKROBUS_SCL ); \
  cfg.sda  = MIKROBUS( mikrobus, MIKROBUS_SDA ); \
  cfg.rst = MIKROBUS( mikrobus, MIKROBUS_RST ); \
  cfg.te = MIKROBUS( mikrobus, MIKROBUS_CS )
#define THERMOSTAT_RETVAL  uint8_t
 
#define THERMOSTAT_OK           0x00
#define THERMOSTAT_INIT_ERROR   0xFF
#define THERMOSTAT_I2C_ADDRESS_0                                 0x48
#define THERMOSTAT_I2C_ADDRESS_1                                 0x49
#define THERMOSTAT_I2C_ADDRESS_2                                 0x4A
#define THERMOSTAT_I2C_ADDRESS_3                                 0x4B
#define THERMOSTAT_REG_TEMP_OUT                                  0x00
#define THERMOSTAT_REG_CONFIG                                    0x01
#define THERMOSTAT_REG_TEMP_HYST                                 0x02
#define THERMOSTAT_REG_TEMP_REF                                  0x03
 
#define THERMOSTAT_CHECK_SIGN                                    0x80
#define THERMOSTAT_DEFAULT_CONFIG                                0x0000
#define THERMOSTAT_MSB_BITS                                      0xFF00
#define THERMOSTAT_LSB_BITS                                      0x00FF
#define THERMOSTAT_START_RESULT                                  0x0000
 
#define THERMOSTAT_UPPER_LIMITS_TEMP                             126.00
#define THERMOSTAT_LOWER_LIMITS_TEMP                             -55.00
#define THERMOSTAT_CALCULATE_COEF_MULT                           1.8000
#define THERMOSTAT_CALCULATE_COEF_PLUS                           32.000
 // End group macro 
// --------------------------------------------------------------- PUBLIC TYPES
typedef struct
{
    // Output pins 
 
    digital_out_t rst;
    digital_out_t te;
  
    // Modules 
 
    i2c_master_t i2c;
 
    // ctx variable 
 
    uint8_t slave_address;
 
} thermostat_t;
 
typedef struct
{
    // Communication gpio pins 
 
    pin_name_t scl;
    pin_name_t sda;
    
    // Additional gpio pins 
 
    pin_name_t rst;
    pin_name_t te;
  
    // static variable 
 
    uint32_t i2c_speed;
    uint8_t i2c_address;
 
} thermostat_cfg_t;
 
 // End types group
 
// ----------------------------------------------- PUBLIC FUNCTION DECLARATIONS
 
#ifdef __cplusplus
extern "C"{
#endif
 
void thermostat_cfg_setup ( thermostat_cfg_t *cfg );
 
THERMOSTAT_RETVAL thermostat_init ( thermostat_t *ctx, thermostat_cfg_t *cfg );
 
void thermostat_generic_write ( thermostat_t *ctx, uint8_t reg, uint8_t *data_buf, uint8_t len );
 
void thermostat_generic_read ( thermostat_t *ctx, uint8_t reg, uint8_t *data_buf, uint8_t len );
 
void thermostat_write_data( thermostat_t *ctx, uint8_t reg_address, uint16_t write_data );
 
 uint16_t thermostat_read_data( thermostat_t *ctx, uint8_t reg_address );
 
float thermostat_get_temperature( thermostat_t *ctx );
 
float thermostat_convert_fahrenheit( thermostat_t *ctx, float temp_celsius );
 
 void thermostat_set_configuration( thermostat_t *ctx, uint16_t config_value );
 
 void thermostat_set_temp_hyst( thermostat_t *ctx, int8_t temp_hyst );
 
void thermostat_set_temp_ref( thermostat_t *ctx, int8_t temp_ref );
 
void thermostat_soft_reset( thermostat_t *ctx );
 
void thermostat_switch_on( thermostat_t *ctx );
 
void thermostat_switch_off( thermostat_t *ctx );
 
void thermostat_enable( thermostat_t *ctx );
 
void thermostat_disable( thermostat_t *ctx );
 
 
#ifdef __cplusplus
}
#endif
#endif  // _THERMOSTAT_H_
 
 // End public_function group
 
// ------------------------------------------------------------------------- END