ad796x.h

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/***************************************************************************/
#ifndef __AD796X_H__
#define __AD796X_H__
 
/******************************************************************************/
/***************************** Include Files **********************************/
/******************************************************************************/
#include "no_os_gpio.h"
#include "no_os_pwm.h"
#include "axi_dmac.h"
#include "clk_axi_clkgen.h"
#include "axi_adc_core.h"
 
/******************************************************************************/
/********************** Macros and Constants Definitions **********************/
/******************************************************************************/
enum ad796x_mode {
    AD796X_MODE0_POWER_DOWN,
    AD796X_MODE1_EXT_REF_5P0,
    AD796X_MODE2_INT_REF_4P0,
    AD796X_MODE3_EXT_REF_4P0,
    AD796X_MODE4_SNOOZE,
    AD796X_MODE5_TEST,
    AD796X_MODE6_INVALID,
    AD796X_MODE7_EXT_REF_5P0_9MHZ,
    AD796X_MODE8_INT_REF_4P0_9MHZ,
    AD796X_MODE9_EXT_REF_4P0_9MHZ,
    AD796X_MODE10_SNOOZE2,
};
 
#define AD796X_NUM_GPIOS    4
 
/******************************************************************************/
/*************************** Types Declarations *******************************/
/******************************************************************************/
struct ad796x_init_param {
    struct axi_adc_init     *ad796x_core_ip;
    struct axi_clkgen_init      *clkgen_ip;
    struct axi_dmac_init        *dmac_ip;
    struct no_os_pwm_init_param *axi_pwm_0_ip;
    struct no_os_pwm_init_param *axi_pwm_1_ip;
    struct no_os_gpio_init_param    *gpio_ip[AD796X_NUM_GPIOS];
    enum ad796x_mode mode;
};
 
struct ad796x_dev {
    struct axi_adc          *ad796x_core;
    struct axi_clkgen       *clkgen;
    struct axi_dmac         *axi_dmac;
    struct no_os_pwm_desc       *axi_pwm_0;
    struct no_os_pwm_desc       *axi_pwm_1;
    struct no_os_gpio_desc      *gpio_en[AD796X_NUM_GPIOS];
};
 
/******************************************************************************/
/************************ Functions Declarations ******************************/
/******************************************************************************/
 
/* Initialize the device. */
int ad796x_init(struct ad796x_dev **device,
        struct ad796x_init_param *init_param);
 
/* Remove the device and release resources. */
int ad796x_remove(struct ad796x_dev *dev);
 
/* Read samples from the device */
int32_t ad796x_read_data(struct ad796x_dev *dev, uint32_t *buf,
             uint16_t samples);
 
#endif /* __AD796X_H__ */