Implementation of the APARD servo control example. Drives two hobby servos via PWM (50 Hz) and exposes SERVO1_ON / SERVO1_OFF / SERVO2_ON / SERVO2_OFF / SERVO_STATUS commands over a TCP socket on the ADIN1110 link. More...

#include <stdio.h>
#include <string.h>
#include "common_data.h"
#include "lwip_socket.h"
#include "lwip_adin1110.h"
#include "tcp_socket.h"
#include "no_os_error.h"
#include "no_os_pwm.h"
#include "maxim_pwm.h"
#include "adin1110.h"
#include "network_interface.h"

Include dependency graph for apard_servo_control.c:

Macros
#define	SERVER_PORT 10000

#define	CMD_BUF_SIZE 64

#define	RESP_BUF_SIZE 64

#define	PWM_PERIOD_NS 20000000U /* 50 Hz */

#define	SERVO_PULSE_OFF_NS 1500000U /* 1.5 ms — initial position */

#define	SERVO_PULSE_ON_NS 2000000U /* 2.0 ms — ~45° from initial */

Functions
int	example_main ()
	Configure the output port of the AD-APARDPFWD-SL, initialize the servo PWM, then open a TCP socket to accept commands.

Detailed Description

Implementation of the APARD servo control example. Drives two hobby servos via PWM (50 Hz) and exposes SERVO1_ON / SERVO1_OFF / SERVO2_ON / SERVO2_OFF / SERVO_STATUS commands over a TCP socket on the ADIN1110 link.

Author: Tudor Gansca (tudor.nosp@m..gan.nosp@m.sca@a.nosp@m.nalo.nosp@m.g.com)

SPDX-License-Identifier: BSD-3-Clause

Macro Definition Documentation

◆ CMD_BUF_SIZE

#define CMD_BUF_SIZE 64

◆ PWM_PERIOD_NS

#define PWM_PERIOD_NS 20000000U /* 50 Hz */

◆ RESP_BUF_SIZE

#define RESP_BUF_SIZE 64

◆ SERVER_PORT

#define SERVER_PORT 10000

◆ SERVO_PULSE_OFF_NS

#define SERVO_PULSE_OFF_NS 1500000U /* 1.5 ms — initial position */

◆ SERVO_PULSE_ON_NS

#define SERVO_PULSE_ON_NS 2000000U /* 2.0 ms — ~45° from initial */

Function Documentation

◆ example_main()

int example_main ( void )

Configure the output port of the AD-APARDPFWD-SL, initialize the servo PWM, then open a TCP socket to accept commands.

Basic example main execution.

Basic example main executiont.

Returns: ret - Result of the example execution.

IIO descriptor and initialization parameter.

IIO app.

Declaring iio_devices structure

Initializing IIO app init param.

Initializing IIO app.

Running the IIO app (use iio_info or osc in terminal).

Set the threshold voltage to 5V

The comparator output will be available on the GPO_A pin

Set the DAC output on channel C to 5V

Measure input current on channel D

GPIO Pin Interrupt Controller

UART init params

IIO application descriptor

IIO application initialization parameters

iio axi adc configurations.

iio axi dac configurations.

iio instance descriptor.

iio device instance descriptor.