ad7980.h

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/***************************************************************************/
#ifndef __AD7980_H__
#define __AD7980_H__
 
#include <stdint.h>
#include "no_os_gpio.h"
#include "no_os_spi.h"
 
/* AD74XX Chip Select Pin declaration */
#define AD7980_CS_LOW           no_os_gpio_set_value(dev->gpio_cs,  \
                    NO_OS_GPIO_LOW)
#define AD7980_CS_LOW           no_os_gpio_set_value(dev->gpio_cs,  \ …
#define AD7980_CS_HIGH          no_os_gpio_set_value(dev->gpio_cs,  \
                    NO_OS_GPIO_HIGH)
#define AD7980_CS_HIGH          no_os_gpio_set_value(dev->gpio_cs,  \ …
 
struct ad7980_dev {
    /* SPI */
    struct no_os_spi_desc *spi_desc;
    /* GPIO */
    struct no_os_gpio_desc   *gpio_cs;
};
struct ad7980_dev {…};
 
struct ad7980_init_param {
    /* SPI */
    struct no_os_spi_init_param spi_init;
    /* GPIO */
    struct no_os_gpio_init_param   gpio_cs;
};
struct ad7980_init_param {…};

int8_t ad7980_init(struct ad7980_dev **device,
           struct ad7980_init_param init_param);

int32_t ad7980_remove(struct ad7980_dev *dev);

uint16_t ad7980_conversion(struct ad7980_dev *dev);

float ad7980_convert_to_volts(uint16_t raw_sample, float v_ref);
 
#endif /* __AD7980_H__ */