ad5242.h

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/***************************************************************************/
#ifndef AD5242_H_
#define AD5242_H_
 
#define AD5242_READ_ENABLE        0x01
#define AD5242_SHUT_DOWN_ENABLE   0x20
#define AD5242_SHUT_DOWN_DISABLE  0x00
/* Control word for placing the AD5161 in reset state(mid range ) */
#define AD5242_CTL_FOR_MID_SCALE_POSITION 0x40
 
#include "../common/dpot.h"
#include "no_os_spi.h"
#include "no_os_i2c.h"
#include "no_os_gpio.h"
#include "no_os_util.h"
 

struct ad5242_dpot_init_param {
    /* Interface type */
    enum dpot_intf_type eIntfType;
    /* I2C init parameters */
    struct no_os_i2c_init_param *i2c_init;
    /* Digital interface select GPIO init parameters */
    struct no_os_gpio_init_param *shdn_gpio_init;
};

struct ad5242_dpot_dev {
    enum dpot_intf_type intf_type;
    /* I2C descriptor */
    struct no_os_i2c_desc *i2c_desc;
 
    struct no_os_gpio_desc *shdn_gpio_desc;
};
 
/* ad5242 digital potentiometer ops */
int ad5242_dpot_init(struct dpot_init_param *init_params,
             struct dpot_dev **desc);
int ad5242_dpot_remove(struct dpot_dev *desc);
 
int ad5242_dpot_chn_read(struct dpot_dev *desc,
             enum dpot_chn_type chn, uint8_t *data);
int ad5242_dpot_chn_write(struct dpot_dev *desc,
              enum dpot_chn_type chn, uint8_t data);
int ad5242_dpot_send_cmd(struct dpot_dev *desc,
             struct dpot_command *cmd);
int ad5242_dpot_shutdown(struct dpot_dev *desc, enum dpot_chn_type chn,
             bool shutdown_enable);
 
#endif  // AD5242_H_