#include <linux/interrupt.h>
#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/sysfs.h>
#include <linux/i2c.h>
#include <linux/regulator/consumer.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/err.h>
#include <linux/delay.h>
#include <linux/module.h>
#include <asm/div64.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
#include <linux/iio/buffer.h>
#include "../ring_sw.h"
#include "ad5933.h"

Data Structures
struct	ad5933_state

Macros
#define	AD5933_REG_CONTROL_HB 0x80 /* R/W, 2 bytes */

#define	AD5933_REG_CONTROL_LB 0x81 /* R/W, 2 bytes */

#define	AD5933_REG_FREQ_START 0x82 /* R/W, 3 bytes */

#define	AD5933_REG_FREQ_INC 0x85 /* R/W, 3 bytes */

#define	AD5933_REG_INC_NUM 0x88 /* R/W, 2 bytes, 9 bit */

#define	AD5933_REG_SETTLING_CYCLES 0x8A /* R/W, 2 bytes */

#define	AD5933_REG_STATUS 0x8F /* R, 1 byte */

#define	AD5933_REG_TEMP_DATA 0x92 /* R, 2 bytes*/

#define	AD5933_REG_REAL_DATA 0x94 /* R, 2 bytes*/

#define	AD5933_REG_IMAG_DATA 0x96 /* R, 2 bytes*/

#define	AD5933_CTRL_INIT_START_FREQ (0x1 << 4)

#define	AD5933_CTRL_START_SWEEP (0x2 << 4)

#define	AD5933_CTRL_INC_FREQ (0x3 << 4)

#define	AD5933_CTRL_REPEAT_FREQ (0x4 << 4)

#define	AD5933_CTRL_MEASURE_TEMP (0x9 << 4)

#define	AD5933_CTRL_POWER_DOWN (0xA << 4)

#define	AD5933_CTRL_STANDBY (0xB << 4)

#define	AD5933_CTRL_RANGE_2000mVpp (0x0 << 1)

#define	AD5933_CTRL_RANGE_200mVpp (0x1 << 1)

#define	AD5933_CTRL_RANGE_400mVpp (0x2 << 1)

#define	AD5933_CTRL_RANGE_1000mVpp (0x3 << 1)

#define	AD5933_CTRL_RANGE(x) ((x) << 1)

#define	AD5933_CTRL_PGA_GAIN_1 (0x1 << 0)

#define	AD5933_CTRL_PGA_GAIN_5 (0x0 << 0)

#define	AD5933_CTRL_RESET (0x1 << 4)

#define	AD5933_CTRL_INT_SYSCLK (0x0 << 3)

#define	AD5933_CTRL_EXT_SYSCLK (0x1 << 3)

#define	AD5933_STAT_TEMP_VALID (0x1 << 0)

#define	AD5933_STAT_DATA_VALID (0x1 << 1)

#define	AD5933_STAT_SWEEP_DONE (0x1 << 2)

#define	AD5933_I2C_BLOCK_WRITE 0xA0

#define	AD5933_I2C_BLOCK_READ 0xA1

#define	AD5933_I2C_ADDR_POINTER 0xB0

#define	AD5933_INT_OSC_FREQ_Hz 16776000

#define	AD5933_MAX_OUTPUT_FREQ_Hz 100000

#define	AD5933_MAX_RETRIES 100

#define	AD5933_OUT_RANGE 1

#define	AD5933_OUT_RANGE_AVAIL 2

#define	AD5933_OUT_SETTLING_CYCLES 3

#define	AD5933_IN_PGA_GAIN 4

#define	AD5933_IN_PGA_GAIN_AVAIL 5

#define	AD5933_FREQ_POINTS 6

#define	AD5933_POLL_TIME_ms 10

#define	AD5933_INIT_EXCITATION_TIME_ms 100

Functions
	MODULE_DEVICE_TABLE (i2c, ad5933_id)

	module_i2c_driver (ad5933_driver)

	MODULE_AUTHOR ("Michael Hennerich <[email protected]>")

	MODULE_DESCRIPTION ("Analog Devices AD5933 Impedance Conv. Network Analyzer")

	MODULE_LICENSE ("GPL v2")

Macro Definition Documentation

#define AD5933_CTRL_EXT_SYSCLK (0x1 << 3)

Definition at line 62 of file ad5933.c.

#define AD5933_CTRL_INC_FREQ (0x3 << 4)

Definition at line 44 of file ad5933.c.

#define AD5933_CTRL_INIT_START_FREQ (0x1 << 4)

Definition at line 42 of file ad5933.c.

#define AD5933_CTRL_INT_SYSCLK (0x0 << 3)

Definition at line 61 of file ad5933.c.

#define AD5933_CTRL_MEASURE_TEMP (0x9 << 4)

Definition at line 46 of file ad5933.c.

#define AD5933_CTRL_PGA_GAIN_1 (0x1 << 0)

Definition at line 56 of file ad5933.c.

#define AD5933_CTRL_PGA_GAIN_5 (0x0 << 0)

Definition at line 57 of file ad5933.c.

#define AD5933_CTRL_POWER_DOWN (0xA << 4)

Definition at line 47 of file ad5933.c.

#define AD5933_CTRL_RANGE ( x ) ((x) << 1)

Definition at line 54 of file ad5933.c.

#define AD5933_CTRL_RANGE_1000mVpp (0x3 << 1)

Definition at line 53 of file ad5933.c.

#define AD5933_CTRL_RANGE_2000mVpp (0x0 << 1)

Definition at line 50 of file ad5933.c.

#define AD5933_CTRL_RANGE_200mVpp (0x1 << 1)

Definition at line 51 of file ad5933.c.

#define AD5933_CTRL_RANGE_400mVpp (0x2 << 1)

Definition at line 52 of file ad5933.c.

#define AD5933_CTRL_REPEAT_FREQ (0x4 << 4)

Definition at line 45 of file ad5933.c.

#define AD5933_CTRL_RESET (0x1 << 4)

Definition at line 60 of file ad5933.c.

#define AD5933_CTRL_STANDBY (0xB << 4)

Definition at line 48 of file ad5933.c.

#define AD5933_CTRL_START_SWEEP (0x2 << 4)

Definition at line 43 of file ad5933.c.

#define AD5933_FREQ_POINTS 6

Definition at line 84 of file ad5933.c.

#define AD5933_I2C_ADDR_POINTER 0xB0

Definition at line 72 of file ad5933.c.

#define AD5933_I2C_BLOCK_READ 0xA1

Definition at line 71 of file ad5933.c.

#define AD5933_I2C_BLOCK_WRITE 0xA0

Definition at line 70 of file ad5933.c.

#define AD5933_IN_PGA_GAIN 4

Definition at line 82 of file ad5933.c.

#define AD5933_IN_PGA_GAIN_AVAIL 5

Definition at line 83 of file ad5933.c.

#define AD5933_INIT_EXCITATION_TIME_ms 100

Definition at line 87 of file ad5933.c.

#define AD5933_INT_OSC_FREQ_Hz 16776000

Definition at line 75 of file ad5933.c.

#define AD5933_MAX_OUTPUT_FREQ_Hz 100000

Definition at line 76 of file ad5933.c.

#define AD5933_MAX_RETRIES 100

Definition at line 77 of file ad5933.c.

#define AD5933_OUT_RANGE 1

Definition at line 79 of file ad5933.c.

#define AD5933_OUT_RANGE_AVAIL 2

Definition at line 80 of file ad5933.c.

#define AD5933_OUT_SETTLING_CYCLES 3

Definition at line 81 of file ad5933.c.

#define AD5933_POLL_TIME_ms 10

Definition at line 86 of file ad5933.c.

#define AD5933_REG_CONTROL_HB 0x80 /* R/W, 2 bytes */

Definition at line 30 of file ad5933.c.

#define AD5933_REG_CONTROL_LB 0x81 /* R/W, 2 bytes */

Definition at line 31 of file ad5933.c.

#define AD5933_REG_FREQ_INC 0x85 /* R/W, 3 bytes */

Definition at line 33 of file ad5933.c.

#define AD5933_REG_FREQ_START 0x82 /* R/W, 3 bytes */

Definition at line 32 of file ad5933.c.

#define AD5933_REG_IMAG_DATA 0x96 /* R, 2 bytes*/

Definition at line 39 of file ad5933.c.

#define AD5933_REG_INC_NUM 0x88 /* R/W, 2 bytes, 9 bit */

Definition at line 34 of file ad5933.c.

#define AD5933_REG_REAL_DATA 0x94 /* R, 2 bytes*/

Definition at line 38 of file ad5933.c.

#define AD5933_REG_SETTLING_CYCLES 0x8A /* R/W, 2 bytes */

Definition at line 35 of file ad5933.c.

#define AD5933_REG_STATUS 0x8F /* R, 1 byte */

Definition at line 36 of file ad5933.c.

#define AD5933_REG_TEMP_DATA 0x92 /* R, 2 bytes*/

Definition at line 37 of file ad5933.c.

#define AD5933_STAT_DATA_VALID (0x1 << 1)

Definition at line 66 of file ad5933.c.

#define AD5933_STAT_SWEEP_DONE (0x1 << 2)

Definition at line 67 of file ad5933.c.

#define AD5933_STAT_TEMP_VALID (0x1 << 0)

Definition at line 65 of file ad5933.c.

Function Documentation

MODULE_AUTHOR ( "Michael Hennerich <[email protected]>" )

MODULE_DESCRIPTION ( "Analog Devices AD5933 Impedance Conv. Network Analyzer" )

MODULE_DEVICE_TABLE	(	i2c	,
		ad5933_id
	)

module_i2c_driver ( ad5933_driver )

MODULE_LICENSE ( "GPL v2" )

Data Structures

Macros

Functions

Macro Definition Documentation

Function Documentation