ad5628.h

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/***************************************************************************/
 
#ifndef __AD5628_H__
#define __AD5628_H__
 
#include <stdint.h>
#include "no_os_spi.h"
 
/* AD5628 Input Register */
#define AD5628_CMD(x)              ((0x000F & (int32_t)(x)) << 24)
#define AD5628_ADDR(x)             ((0x000F & (int32_t)(x)) << 20)
#define AD5628_DATA_BITS(x)        ((0x0FFF & (int32_t)(x)) << 8)
 
/* Command Definitions (AD5628_COMMAND(x) options) */
#define AD5628_CMD_WRITE_INPUT_N             0 // Write to Input Register n.
#define AD5628_CMD_UPDATE_DAC_N              1 // Update DAC Register n.
#define AD5628_CMD_WRITE_INPUT_N_UPDATE_ALL  2 // Write to Input Register n, update all.
#define AD5628_CMD_WRITE_INPUT_N_UPDATE_N    3 // Write to and update DAC Channel n.
#define AD5628_CMD_POWERDOWN                 4 // Power down/power up DAC.
#define AD5628_CMD_LOAD_CLEAR_CODE           5 // Load clear code register.
#define AD5628_CMD_LOAD_LDAC_REG             6 // Load LDAC register.
#define AD5628_CMD_RESET                     7 // Reset (power-on reset)
#define AD5628_CMD_SET_INT_REF               8 // Set up internal REF register.
 
/* Address Commands (AD5628_ADDRESS(x) options) */
#define AD5628_ADDR_DAC_A      0x00 //DAC A
#define AD5628_ADDR_DAC_B      0x01 //DAC B
#define AD5628_ADDR_DAC_C      0x02 //DAC C
#define AD5628_ADDR_DAC_D      0x03 //DAC D
#define AD5628_ADDR_DAC_E      0x04 //DAC E
#define AD5628_ADDR_DAC_F      0x05 //DAC F
#define AD5628_ADDR_DAC_G      0x06 //DAC G
#define AD5628_ADDR_DAC_H      0x07 //DAC H
#define AD5628_ADDR_DAC_ALL    0x0F //All DACs
 
/* Internal Reference Register */
#define AD5628_INT_REF_OFF     0
#define AD5628_INT_REF_ON      1
 
/* Power-Down Modes of Operation */
#define AD5628_POWER_MODE(x)      ((0x03 & (uint16_t) (x)) << 8)
 
#define AD5628_PWRDN_NONE         0 // Normal operation
#define AD5628_PWRDN_1K           1 // 1 KOhm to GND    (Power-down mode)
#define AD5628_PWRDN_100K         2 // 100 KOhm to GND  (Power-down mode)
#define AD5628_PWRDN_3STATE       3 // Three-state      (Power-down mode)
 
/* Clear Code Function */
#define AD5628_CODE_0X0000        0
#define AD5628_CODE_0X8000        1
#define AD5628_CODE_0XFFFF        2
#define AD5628_CODE_NOP           3
 
struct ad5628_dev {
    /* SPI */
    struct no_os_spi_desc *spi_desc;
};
struct ad5628_dev {…};
 
struct ad5628_init_param {
    /* SPI */
    struct no_os_spi_init_param spi_init;
};
struct ad5628_init_param {…};

int32_t ad5628_init(struct ad5628_dev **device,
            struct ad5628_init_param init_param);

int32_t ad5628_remove(struct ad5628_dev *dev);

void ad5628_power_mode(struct ad5628_dev *dev,
               uint8_t pwr_mode,
               uint8_t channel);

void ad5628_reset(struct ad5628_dev *dev);

void ad5628_set_input_register(struct ad5628_dev *dev,
                   uint32_t register_value);
 
#endif /* __AD5628_H__ */