adc3.h

Go to the documentation of this file.

/*
 * 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 ADC3_H
#define ADC3_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 ADC3_MAP_MIKROBUS( cfg, mikrobus )        \
  cfg.scl   = MIKROBUS( mikrobus, MIKROBUS_SCL ); \
  cfg.sda   = MIKROBUS( mikrobus, MIKROBUS_SDA )
#define ADC3_RETVAL  uint8_t
 
#define ADC3_OK                           0x00
#define ADC3_INIT_ERROR                   0xFF
#define ADC3_I2C_SLAVE_ADDR               0x68
#define ADC3_CFG_REG                      0x00
#define ADC3_PGA_GAIN_X1                  0x00
#define ADC3_PGA_GAIN_X2                  0x01
#define ADC3_PGA_GAIN_X4                  0x02
#define ADC3_PGA_GAIN_X8                  0x03
#define ADC3_SAMPLE_RATE_12               0x00
#define ADC3_SAMPLE_RATE_14               0x04
#define ADC3_SAMPLE_RATE_16               0x08
#define ADC3_CONV_ONE_SHOT                0x00
#define ADC3_CONV_CONTINOUS               0x10
#define ADC3_SELECT_CHANNEL_1             0x00
#define ADC3_SELECT_CHANNEL_2             0x20
#define ADC3_SELECT_CHANNEL_3             0x40
#define ADC3_SELECT_CHANNEL_4             0x60
#define ADC3_DATA_START_VALUE              0
#define ADC3_DATA_RESOL_RATE_12            0x0F
#define ADC3_DATA_RESULT_RATE_12           0x07FF
#define ADC3_DATA_RESOL_RATE_14            0x3F
#define ADC3_DATA_RESULT_RATE_14           0x1FFF
#define ADC3_DATA_RESOL_RATE_16            0xFF
#define ADC3_DATA_RESULT_RATE_16           0x7FFF
 
#define ADC3_RDY_SET                      0x80
#define ADC3_RDY_CLEAR                    0x00
#define ADC3_GENERAL_CALL_RESET           0x06
#define ADC3_GENERAL_CALL_LATCH           0x04
#define ADC3_GENERAL_CALL_CONVERSION      0x08
 // End group macro 
 
// --------------------------------------------------------------- PUBLIC TYPES
typedef struct
{
    // Modules 
 
    i2c_master_t i2c;
 
    // ctx variable 
 
    uint8_t slave_address;
 
} adc3_t;
 
typedef struct
{
    // Communication gpio pins 
 
    pin_name_t scl;
    pin_name_t sda;
 
    // static variable 
 
    uint32_t i2c_speed;
    uint8_t i2c_address;
 
} adc3_cfg_t;
 
 // End types group
// ----------------------------------------------- PUBLIC FUNCTION DECLARATIONS
 
#ifdef __cplusplus
extern "C"{
#endif
 
void adc3_cfg_setup ( adc3_cfg_t *cfg );
 
ADC3_RETVAL adc3_init ( adc3_t *ctx, adc3_cfg_t *cfg );
 
void adc3_default_cfg ( adc3_t *ctx );
 
void adc3_generic_write ( adc3_t *ctx, uint8_t reg, uint8_t *data_buf, uint8_t len );
 
void adc3_generic_read ( adc3_t *ctx, uint8_t reg, uint8_t *data_buf, uint8_t len );
 
void adc3_reset ( adc3_t *ctx );
 
void adc3_latch ( adc3_t *ctx );
 
void adc3_conversion ( adc3_t *ctx );
 
int16_t adc3_read_measurement ( adc3_t *ctx, uint8_t channel, uint8_t resolution, uint8_t gain );
 
float adc3_read_voltage ( adc3_t *ctx, uint8_t channel, uint8_t resolution, uint8_t gain );
 
#ifdef __cplusplus
}
#endif
#endif  // _ADC3_H_
 
 // End public_function group
 
// ------------------------------------------------------------------------- END