diffpress2.h

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/****************************************************************************
** Copyright (C) 2020 MikroElektronika d.o.o.
** Contact: https://www.mikroe.com/contact
**
** 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.
**
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** OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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#ifndef DIFFPRESS2_H
#define DIFFPRESS2_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 DIFFPRESS2_CMD_START_CONT_MEAS_MASS_FLOW_AVG    0x3603
#define DIFFPRESS2_CMD_START_CONT_MEAS_MASS_FLOW_NONE   0x3608
#define DIFFPRESS2_CMD_START_CONT_MEAS_DIFF_PRESS_AVG   0x3615
#define DIFFPRESS2_CMD_START_CONT_MEAS_DIFF_PRESS_NONE  0x361E
#define DIFFPRESS2_CMD_STOP_CONT_MEAS                   0x3FF9
#define DIFFPRESS2_CMD_TRIGGER_MEAS_MASS_FLOW           0x3624
#define DIFFPRESS2_CMD_TRIGGER_MEAS_MASS_FLOW_STRETCH   0x3726
#define DIFFPRESS2_CMD_TRIGGER_MEAS_DIFF_PRESS          0x362F
#define DIFFPRESS2_CMD_TRIGGER_MEAS_DIFF_PRESS_STRETCH  0x372D
#define DIFFPRESS2_CMD_PRODUCT_ID_PT1                   0x367C
#define DIFFPRESS2_CMD_PRODUCT_ID_PT2                   0xE102
 
 // diffpress2_reg
 
#define DIFFPRESS2_PRODUCT_ID                           0x03010101
#define DIFFPRESS2_PRESSURE_SCALE_FACOTR                60.0
#define DIFFPRESS2_TEMPERATURE_SCALE_FACOTR             200.0
 
#define DIFFPRESS2_SET_DEV_ADDR_GND                     0x21
#define DIFFPRESS2_SET_DEV_ADDR_R4                      0x22
#define DIFFPRESS2_SET_DEV_ADDR                         DIFFPRESS2_SET_DEV_ADDR_R4
 
 // diffpress2_set
 
#define DIFFPRESS2_MAP_MIKROBUS( cfg, mikrobus ) \
    cfg.scl = MIKROBUS( mikrobus, MIKROBUS_SCL ); \
    cfg.sda = MIKROBUS( mikrobus, MIKROBUS_SDA ); \
    cfg.int_pin = MIKROBUS( mikrobus, MIKROBUS_INT )
#define DIFFPRESS2_MAP_MIKROBUS( cfg, mikrobus ) \ …
 
 // diffpress2_map
 // diffpress2
 
typedef struct
{
    // Input pins
    digital_in_t  int_pin;  
    // Modules
    i2c_master_t i2c;       
    // I2C slave address
    uint8_t slave_address;  
    //ID's
    uint32_t product_id;
    uint32_t serial_id[ 2 ];
 
} diffpress2_t;
typedef struct {…};
 
typedef struct
{
    pin_name_t  scl;        
    pin_name_t  sda;        
    pin_name_t  int_pin;    
    uint32_t  i2c_speed;    
    uint8_t   i2c_address;  
} diffpress2_cfg_t;
typedef struct {…};
 
typedef enum
{
   DIFFPRESS2_OK = 0,
   DIFFPRESS2_ERROR = -1
 
} diffpress2_return_value_t;
typedef enum {…};
 
void diffpress2_cfg_setup ( diffpress2_cfg_t *cfg );
 
err_t diffpress2_init ( diffpress2_t *ctx, diffpress2_cfg_t *cfg );
 
err_t diffpress2_default_cfg ( diffpress2_t *ctx );
 
err_t diffpress2_send_command ( diffpress2_t *ctx, uint16_t cmd );
 
err_t diffpress2_generic_read ( diffpress2_t *ctx, uint16_t cmd, uint16_t *rx_buf, uint8_t rx_len );
 
err_t diffpress2_raw_read ( diffpress2_t *ctx, uint16_t *rx_buf, uint8_t rx_len );
 
err_t diffpress2_get_id ( diffpress2_t *ctx );
 
err_t diffpress2_reset ( diffpress2_t *ctx );
 
err_t diffpress2_trigger_measurement ( diffpress2_t *ctx, uint16_t trigger_type, 
                                       float *diff_press, float *temperature );
 
#ifdef __cplusplus
}
#endif
#endif // DIFFPRESS2_H
 
 // diffpress2
 
// ------------------------------------------------------------------------ END