728x90

Orange PI Zero

출처 : 스터디메이크 :: 오렌지파이 제로 보드 간단 사용기
Xunlong Orange Pi Zero

OS 설치

OS 다운로드 - Orange Pi Zero – armbian

vi 설치

$ sudo apt-get install vim

Orange PI Zero 와이파이 설정

출처 : 오렌지파이 제로 무선인터넷 설정 1.2 암비안 와이파이 설정

$ sudo nmtui

SD 확장

SD 확장전 용량확인

$ df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/root       1.6G  1.2G  349M  78% /
devtmpfs        168M     0  168M   0% /dev
tmpfs           224M     0  224M   0% /dev/shm
tmpfs           224M  8.5M  216M   4% /run
tmpfs           5.0M  4.0K  5.0M   1% /run/lock
tmpfs           224M     0  224M   0% /sys/fs/cgroup
tmpfs           224M  4.0K  224M   1% /tmp
/dev/mmcblk0p1   63M  4.6M   59M   8% /media/boot
tmpfs            45M     0   45M   0% /run/user/107
tmpfs            45M     0   45M   0% /run/user/1000

SD FDisk

orangepi@OrangePizero:~$ sudo fdisk /dev/mmcblk0

Welcome to fdisk (util-linux 2.25.2).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.


Command (m for help): p
Disk /dev/mmcblk0: 7.4 GiB, 7948206080 bytes, 15523840 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x000b04ea

Device         Boot  Start     End Sectors  Size Id Type
/dev/mmcblk0p1       40960  172031  131072   64M  b W95 FAT32
/dev/mmcblk0p2      172032 3514367 3342336  1.6G 83 Linux


Command (m for help): d
Partition number (1,2, default 2): 2

Partition 2 has been deleted.

Command (m for help): n
Partition type
   p   primary (1 primary, 0 extended, 3 free)
   e   extended (container for logical partitions)
Select (default p): p
Partition number (2-4, default 2): 2
First sector (2048-15523839, default 2048): 172032
Last sector, +sectors or +size{K,M,G,T,P} (172032-15523839, default 15523839): 

Created a new partition 2 of type 'Linux' and of size 7.3 GiB.

Command (m for help): w
The partition table has been altered.
Calling ioctl() to re-read partition table.
Re-reading the partition table failed.: Device or resource busy

The kernel still uses the old table. The new table will be used at the next reboot or after you run partprobe(8) or kpartx(8).

orangepi@OrangePizero:~$ sudo shutdown -r now

SD 확장

$ sudo resize2fs /dev/mmcblk0p2
resize2fs 1.42.12 (29-Aug-2014)
Filesystem at /dev/mmcblk0p2 is mounted on /; on-line resizing required
old_desc_blocks = 1, new_desc_blocks = 1
The filesystem on /dev/mmcblk0p2 is now 1918976 (4k) blocks long.

SD 확장 확인

$ df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/root       7.3G  1.2G  5.8G  17% /
devtmpfs        168M     0  168M   0% /dev
tmpfs           224M     0  224M   0% /dev/shm
tmpfs           224M  8.5M  216M   4% /run
tmpfs           5.0M  4.0K  5.0M   1% /run/lock
tmpfs           224M     0  224M   0% /sys/fs/cgroup
tmpfs           224M  4.0K  224M   1% /tmp
/dev/mmcblk0p1   63M  4.6M   59M   8% /media/boot
tmpfs            45M     0   45M   0% /run/user/107
tmpfs            45M     0   45M   0% /run/user/1000

vnc 설치

출처 : Armbian: Access the Remote Desktop of Orange Pi with VNC

vnc 설치

$ sudo apt-get update && apt-get upgrade
$ sudo apt-get install tightvncserver

vnc 사용자 추가

$ su - 
# adduser vnc
Adding user `vnc' ...
Adding new group `vnc' (1001) ...
Adding new user `vnc' (1001) with group `vnc' ...
Creating home directory `/home/vnc' ...
Copying files from `/etc/skel' ...
Enter new UNIX password: 
Retype new UNIX password: 
passwd: password updated successfully
Changing the user information for vnc
Enter the new value, or press ENTER for the default
        Full Name []: VNCuser
        Room Number []: 
        Work Phone []: 
        Home Phone []: 
        Other []: 
Is the information correct? [Y/n] 

vnc 사용자 추가

# gpasswd -a vnc sudo
Adding user vnc to group sudo

vnc 서버 실행

# su - vnc
$ vncserver :1
 
You will require a password to access your desktops.
 
Password: 
Verify:   
Would you like to enter a view-only password (y/n)? 
*** buffer overflow detected ***: vncpasswd terminated
xauth:  file /home/vnc/.Xauthority does not exist
 
New 'X' desktop is OrangePizero:1
 
Creating default startup script /home/vnc/.vnc/xstartup
Starting applications specified in /home/vnc/.vnc/xstartup
Log file is /home/vnc/.vnc/OrangePizero:1.log

JDK 설치

$ sudo apt install -t jessie-backports openjdk-8-jre openjdk-8-jre-headless openjdk-8-jdk openjdk-8-jdk-headless ca-certificates-java

JAVA_HOME 환경변수 추가

$ sudo vi /etc/profile

내용 추가 export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-armhf

export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-armhf
728x90
728x90

출처

x윈도우 설치

$ sudo apt-get install lubuntu-desktop
$ sudo shutdown -r now

eMMC에 OS 복사하기

출처 : How to burn Linux image to eMMC
bpi-copy command

eMMC 용량 확인

$ sudo fdisk -l
Disk /dev/mmcblk0: 14.9 GiB, 15931539456 bytes, 31116288 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x36acac02
 
Device         Boot  Start      End  Sectors  Size Id Type
/dev/mmcblk0p1       49152   131071    81920   40M 83 Linux
/dev/mmcblk0p2      131072 31116287 30985216 14.8G 83 Linux
 
 
Disk /dev/mmcblk1: 7.3 GiB, 7818182656 bytes, 15269888 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x3794dafa
 
Device         Boot  Start      End  Sectors  Size Id Type
/dev/mmcblk1p1       49152   131071    81920   40M 83 Linux
/dev/mmcblk1p2      131072 15269887 15138816  7.2G 83 Linux
 
 
Disk /dev/mmcblk1boot1: 4 MiB, 4194304 bytes, 8192 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
 
 
Disk /dev/mmcblk1boot0: 4 MiB, 4194304 bytes, 8192 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes

이미지 복원

이미지 복원이 완료되면 SD 메모리를 제거하고 재부팅

$ sudo dd if=nanopi-m1-plus_friendlycore-xenial_4.14.52_20180628.img of=/dev/mmcblk1 bs=10MB
389+1 records in
389+1 records out
3899999232 bytes (3.9 GB, 3.6 GiB) copied, 511.303 s, 7.6 MB/s

OpenJDK 1.8 설치

# apt-get install openjdk-8-jdk

JAVA_HOME 환경변수 추가

# vi /etc/profile

내용 추가 export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-armhf

export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-armhf

IP 확인 (eflasher 에서)

# ip addr

add-apt-repository 명령이 없는 경우

# apt-get install python-software-properties
# apt-get install software-properties-common

jre repository 주소 추가

# add-apt-repository ppa:webupd8team/java
# apt-get update

JDK 1.7 설치

# apt-get install openjdk-7-jre  openjdk-7-jdk

JDK 1.8 설치

출처 : Installing OpenJDK 8 and Tomcat 8 on Debian Jessie

# vi /etc/apt/sources.list

내용추가

# Backport Testing on stable
# JDK 8
deb http://ftp.de.debian.org/debian jessie-backports main

jre 설치

# apt install -t jessie-backports  openjdk-8-jre-headless ca-certificates-java
728x90
728x90

NanoPi NEO Air - pi4j로 PWM 제어

NanoPi NEO Air는 하나의 PWM만 지원

배선

Java 소스

import com.pi4j.io.gpio.GpioFactory;
import com.pi4j.io.gpio.NanoPiNEOAirGpioProvider;
import com.pi4j.wiringpi.Gpio;
import com.pi4j.wiringpi.SoftPwm;

public class SG90PWMMain {

	private static int PIN_NUMBER = 1;

	public static void main(String[] args) throws Exception {
		//
		//GpioFactory.setDefaultProvider(new RaspiGpioProvider(RaspiPinNumberingScheme.BROADCOM_PIN_NUMBERING));
		//GpioFactory.setDefaultProvider(new OrangePiPc2GpioProvider());
		GpioFactory.setDefaultProvider(new NanoPiNEOAirGpioProvider());

		// initialize wiringPi library, this is needed for PWM
		Gpio.wiringPiSetup();

		// softPwmCreate(int pin, int value, int range)
		// the range is set like (min=0 ; max=100)
		SoftPwm.softPwmCreate(PIN_NUMBER, 0, 50);
		int counter = 0;
		while (counter < 3) {
			// fade LED to fully ON
			for (int i = 0; i <= 100; i++) {
				// softPwmWrite(int pin, int value)
				// This updates the PWM value on the given pin. The value is
				// checked to be in-range and pins
				// that haven't previously been initialized via softPwmCreate
				// will be silently ignored.
				SoftPwm.softPwmWrite(PIN_NUMBER, i);
				Thread.sleep(25);
			}
			// fade LED to fully OFF
			for (int i = 100; i >= 0; i--) {
				SoftPwm.softPwmWrite(PIN_NUMBER, i);
				Thread.sleep(25);
			}
			counter++;
		}
	}

}

실행

# java -cp .:pi4j-core.jar:pi4j-gpio-extension.jar SG90PWMMain

실행 영상

728x90
728x90

NanoPi M1 Plus mjpg-streamer

출처 : NanoPi NEO Air

패키지 업데이트

패키지 업데이트를 하면 /root/mjpg-streamer 가 생성됨

# apt-get update

mjpg-streamer 컴파일 및 설치

출처 : http://www.lavrsen.dk/svn/motion/tags/3.2.9/picture.c

# cd /root/mjpg-streamer
# make
# sudo make install
make: svnversion: Command not found
install --mode=755 mjpg_streamer /usr/local/bin
install --mode=644 input_uvc.so output_file.so output_udp.so output_http.so input_file.so /usr/local/lib/
install --mode=755 -d /usr/local/www
install --mode=644 -D www/* /usr/local/www

LD_LIBRARY_PATH 경로 추가

# echo "export LD_LIBRARY_PATH=\$LD_LIBRARY_PATH:/usr/local/lib:/usr/local/lib/mjpg-streamer" | sudo tee -a /etc/profile

mjpg-streamer 실행

# ./mjpg_streamer -i "./input_uvc.so -y 1 -r 640x480 -f 30 -q 90 -n" -o "./output_http.so -w ./www"
MJPG Streamer Version: svn rev: 
 i: Using V4L2 device.: /dev/video0
 i: Desired Resolution: 640 x 480
 i: Frames Per Second.: 30
 i: Format............: YUV
 i: JPEG Quality......: 90
 o: www-folder-path...: ./www/
 o: HTTP TCP port.....: 8080
 o: username:password.: disabled
 o: commands..........: enabled

실행 결과

728x90
728x90

detect I2C chips

출처 : i2cdetect(8): detect I2C chips - Linux man page

# apt-get install i2c-tools
# ls /dev/*i2c*
/dev/i2c-0
# i2cdetect -y 0
     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
00:          -- -- -- -- -- -- -- -- -- -- -- -- -- 
10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
40: 40 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
70: 70 -- -- -- -- -- -- --    

PCA9685 제어

import java.io.IOException;
/**
 * sudo java -cp .:pi4j-core.jar:pi4j-device.jar:pi4j-gpio-extension.jar:pi4j-service.jar com.bluexmas.arm.PCA9685Gpio
 */
import java.math.BigDecimal;

import com.pi4j.gpio.extension.pca.PCA9685GpioProvider;
import com.pi4j.gpio.extension.pca.PCA9685Pin;
import com.pi4j.io.gpio.GpioController;
import com.pi4j.io.gpio.GpioFactory;
import com.pi4j.io.gpio.GpioPinPwmOutput;
import com.pi4j.io.gpio.NanoPiNEOAirGpioProvider;
import com.pi4j.io.gpio.Pin;
import com.pi4j.io.i2c.I2CBus;
import com.pi4j.io.i2c.I2CFactory;
import com.pi4j.io.i2c.I2CFactory.UnsupportedBusNumberException;

public class PCA9685Gpio {
	
	public static final int SERVO_DURATION_MIN = 600;
	public static final int SERVO_DURATION_NEUTRAL = 1500;
	public static final int SERVO_DURATION_MAX = 2400;
	
	private static PCA9685Gpio instance = null;
	
	private PCA9685GpioProvider gpioProvider = null;
	
	// sudo java -cp .:pi4j-core.jar:pi4j-gpio-extension.jar PCA9685Gpio
	
	private PCA9685Gpio() throws IOException, UnsupportedBusNumberException {		
		
		//GpioFactory.setDefaultProvider(new BPIM2PGpioProvider());
		GpioFactory.setDefaultProvider(new NanoPiNEOAirGpioProvider());
		
		System.out.println("<--Pi4J--> PCA9685 PWM Example ... started.");
		// This would theoretically lead into a resolution of 5 microseconds per
		// step:
		// 4096 Steps (12 Bit)
		// T = 4096 * 0.000005s = 0.02048s
		// f = 1 / T = 48.828125
		BigDecimal frequency = new BigDecimal("48.828");
		// Correction factor: actualFreq / targetFreq
		// e.g. measured actual frequency is: 51.69 Hz
		// Calculate correction factor: 51.65 / 48.828 = 1.0578
		// --> To measure actual frequency set frequency without correction
		// factor(or set to 1)
		BigDecimal frequencyCorrectionFactor = new BigDecimal("1.0578");
		// Create custom PCA9685 GPIO provider
		I2CBus bus = I2CFactory.getInstance(I2CBus.BUS_0);
		gpioProvider = new PCA9685GpioProvider(bus, 0x40, frequency, frequencyCorrectionFactor);
		// Define outputs in use for this example
		GpioPinPwmOutput[] myOutputs = provisionPwmOutputs(gpioProvider);
		// Reset outputs
		gpioProvider.reset();
	}
	
	public static PCA9685Gpio getInstance() throws IOException, UnsupportedBusNumberException {
		if (instance==null) instance = new PCA9685Gpio();
		return instance;
	}
	
	public void setPwm(Pin pin, int duration) {
		gpioProvider.setPwm(pin, duration);
	}
	
	public void shutdown() {
		gpioProvider.shutdown();
	}
	
	private static GpioPinPwmOutput[] provisionPwmOutputs(final PCA9685GpioProvider gpioProvider) {
		GpioController gpio = GpioFactory.getInstance();
		GpioPinPwmOutput myOutputs[] = { 
				gpio.provisionPwmOutputPin(gpioProvider, PCA9685Pin.PWM_00, "Pulse 00"),
				gpio.provisionPwmOutputPin(gpioProvider, PCA9685Pin.PWM_01, "Pulse 01"),
				gpio.provisionPwmOutputPin(gpioProvider, PCA9685Pin.PWM_02, "Pulse 02"),
				gpio.provisionPwmOutputPin(gpioProvider, PCA9685Pin.PWM_03, "Pulse 03"),
				gpio.provisionPwmOutputPin(gpioProvider, PCA9685Pin.PWM_04, "Pulse 04"),
				gpio.provisionPwmOutputPin(gpioProvider, PCA9685Pin.PWM_05, "Pulse 05"),
				gpio.provisionPwmOutputPin(gpioProvider, PCA9685Pin.PWM_06, "Pulse 06"),
				gpio.provisionPwmOutputPin(gpioProvider, PCA9685Pin.PWM_07, "Pulse 07"),
				gpio.provisionPwmOutputPin(gpioProvider, PCA9685Pin.PWM_08, "Pulse 08"),
				gpio.provisionPwmOutputPin(gpioProvider, PCA9685Pin.PWM_09, "Pulse 09"),
				gpio.provisionPwmOutputPin(gpioProvider, PCA9685Pin.PWM_10, "Always ON"),
				gpio.provisionPwmOutputPin(gpioProvider, PCA9685Pin.PWM_11, "Always OFF"),
				gpio.provisionPwmOutputPin(gpioProvider, PCA9685Pin.PWM_12, "Servo pulse MIN"),
				gpio.provisionPwmOutputPin(gpioProvider, PCA9685Pin.PWM_13, "Servo pulse NEUTRAL"),
				gpio.provisionPwmOutputPin(gpioProvider, PCA9685Pin.PWM_14, "Servo pulse MAX"),
				gpio.provisionPwmOutputPin(gpioProvider, PCA9685Pin.PWM_15, "not used") };
		return myOutputs;
	}

	public static void main(String[] args) throws Exception {
		
		PCA9685Gpio test = PCA9685Gpio.getInstance();
		
		test.setPwm(PCA9685Pin.PWM_01, SERVO_DURATION_NEUTRAL);
		Thread.sleep(200);
		
		for (int i=SERVO_DURATION_MIN; i<=SERVO_DURATION_MAX; i+=30) {
			test.setPwm(PCA9685Pin.PWM_00, i);
			Thread.sleep(200);
		}
		
		for (int i=SERVO_DURATION_MAX; i>=(int)(SERVO_DURATION_MIN+(SERVO_DURATION_MAX-SERVO_DURATION_MIN)/2); i-=30) {
			test.setPwm(PCA9685Pin.PWM_00, i);
			Thread.sleep(200);
		}
				
		for (int i=SERVO_DURATION_MIN; i<=SERVO_DURATION_MAX; i+=30) {
			test.setPwm(PCA9685Pin.PWM_01, i);
			Thread.sleep(200);
		}
		
		for (int i=SERVO_DURATION_MAX-200; i>=(int)(SERVO_DURATION_MIN+(SERVO_DURATION_MAX-SERVO_DURATION_MIN)/2); i-=30) {
			test.setPwm(PCA9685Pin.PWM_01, i);
			Thread.sleep(200);
		}
		
		test.shutdown();

	}
	
}

실행

# java -cp .:pi4j-core.jar:pi4j-gpio-extension.jar PCA9685Gpio

실행 결과

728x90
728x90

NanoPi NEO Air - WiringNP, pi4j

출처 : NanoPi NEO Air

현재 pi4j는 NanoPi NEO Air을 지원하지 않아 수정한 jar를 배포합니다.

pi4j-core.jar

# git clone git://github.com/wertyzp/WiringNP
# cd WiringNP
# sh ./build

GPIO 설치 확인

# gpio -v
gpio version: 2.20
Copyright (c) 2012-2014 Gordon Henderson
This is free software with ABSOLUTELY NO WARRANTY.
For details type: gpio -warranty

Banana Pro Details:
  Type: Model A, Revision: 1.2, Memory: 1024MB, Maker: LeMaker 
# gpio readall
 +-----+-----+----------+------+---+-NanoPI M1+---+------+----------+-----+-----+
 | BCM | wPi |   Name   | Mode | V | Physical | V | Mode | Name     | wPi | BCM |
 +-----+-----+----------+------+---+----++----+---+------+----------+-----+-----+
 |     |     |     3.3v |      |   |  1 || 2  |   |      | 5v       |     |     |
 |  12 |   8 |    SDA.0 | ALT5 | 0 |  3 || 4  |   |      | 5V       |     |     |
 |  11 |   9 |    SCL.0 | ALT5 | 0 |  5 || 6  |   |      | 0v       |     |     |
 | 203 |   7 |   GPIO.7 |  OUT | 1 |  7 || 8  | 0 | ALT5 | TxD3     | 15  | 198 |
 |     |     |       0v |      |   |  9 || 10 | 0 | ALT5 | RxD3     | 16  | 199 |
 |   0 |   0 |     RxD2 | ALT5 | 0 | 11 || 12 | 0 | OFF  | GPIO.1   | 1   | 6   |
 |   2 |   2 |     TxD2 | ALT5 | 0 | 13 || 14 |   |      | 0v       |     |     |
 |   3 |   3 |     CTS2 | ALT5 | 0 | 15 || 16 | 0 | OFF  | GPIO.4   | 4   | 200 |
 |     |     |     3.3v |      |   | 17 || 18 | 0 | OFF  | GPIO.5   | 5   | 201 |
 |  64 |  12 |     MOSI | ALT4 | 0 | 19 || 20 |   |      | 0v       |     |     |
 |  65 |  13 |     MISO | ALT4 | 0 | 21 || 22 | 0 | ALT5 | RTS2     | 6   | 1   |
 |  66 |  14 |     SCLK | ALT4 | 0 | 23 || 24 | 0 | ALT4 | CE0      | 10  | 67  |
 |     |     |       0v |      |   | 25 || 26 | 0 | OFF  | GPIO.11  | 11  | 17  |
 |  19 |  30 |    SDA.1 | ALT5 | 0 | 27 || 28 | 0 | ALT5 | SCL.1    | 31  | 18  |
 |  20 |  21 |  GPIO.21 | ALT5 | 0 | 29 || 30 |   |      | 0v       |     |     |
 |  21 |  22 |  GPIO.22 | ALT5 | 0 | 31 || 32 | 0 | OFF  | RTS1     | 26  | 7   |
 |   8 |  23 |  GPIO.23 |  OUT | 0 | 33 || 34 |   |      | 0v       |     |     |
 |  16 |  24 |  GPIO.24 | ALT4 | 0 | 35 || 36 | 0 | ALT4 | CTS1     | 27  | 13  |
 |   9 |  25 |  GPIO.25 |  OFF | 0 | 37 || 38 | 0 | OUT  | TxD1     | 28  | 15  |
 |     |     |       0v |      |   | 39 || 40 | 0 | ALT4 | RxD1     | 29  | 14  |
 +-----+-----+----------+------+---+----++----+---+------+----------+-----+-----+
 | BCM | wPi |   Name   | Mode | V | Physical | V | Mode | Name     | wPi | BCM |
 +-----+-----+----------+------+---+-NanoPI M1+---+------+----------+-----+-----+

 +-----+----NanoPI M1 Debug UART---+----+
 | BCM | wPi |   Name   | Mode | V | Ph |
 +-----+-----+----------+------+---+----+
 |     |     |       0v |      |   | 41 |
 |     |     |       5v |      |   | 42 |
 |   4 |  32 |   GPIO.4 | ALT5 | 0 | 43 |
 |   5 |  33 |   GPIO.5 | ALT5 | 0 | 44 |
 +-----+-----+----------+------+---+----+

C언어 샘플 소스

#include <wiringPi.h>

int main()
{
  wiringPiSetup();
  pinMode(7, OUTPUT);
  while(1) {
    digitalWrite(7,HIGH);
    delay(500);
    digitalWrite(7,LOW);
    delay(500);
  }
  return 0;
}

컴파일

# gcc -Wall -o blink blink.c -lwiringPi -lpthread

실행

# ./blink

java 샘플 소스

/*
 * #%L
 * **********************************************************************
 * ORGANIZATION  :  Pi4J
 * PROJECT       :  Pi4J :: Java Examples
 * FILENAME      :  ControlGpioExample.java
 *
 * This file is part of the Pi4J project. More information about
 * this project can be found here:  http://www.pi4j.com/
 * **********************************************************************
 * %%
 * Copyright (C) 2012 - 2016 Pi4J
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Lesser Public License for more details.
 *
 * You should have received a copy of the GNU General Lesser Public
 * License along with this program.  If not, see
 * <http: www.gnu.org="" licenses="" lgpl-3.0.html="">.
 * #L%
 */
 
import com.pi4j.io.gpio.GpioController;
import com.pi4j.io.gpio.GpioFactory;
import com.pi4j.io.gpio.GpioPinDigitalOutput;
import com.pi4j.io.gpio.NanoPiNEOAirGpioProvider;
import com.pi4j.io.gpio.NanoPiNEOAirPin;
import com.pi4j.io.gpio.PinState;
 
/**
 * This example code demonstrates how to perform simple state
 * control of a GPIO pin on the Raspberry Pi.
 *
 * @author Robert Savage
 */
public class ControlGpioExample {
 
    public static void main(String[] args) throws InterruptedException {

        //GpioFactory.setDefaultProvider(new OrangePiPc2GpioProvider());
        GpioFactory.setDefaultProvider(new NanoPiNEOAirGpioProvider());

        System.out.println("<--Pi4J--> GPIO Control Example ... started.");
 
        // create gpio controller
        final GpioController gpio = GpioFactory.getInstance();
 
        // provision gpio pin #01 as an output pin and turn on
        final GpioPinDigitalOutput pin = gpio.provisionDigitalOutputPin(NanoPiNEOAirPin.GPIO_07, "MyLED", PinState.HIGH);
 
        // set shutdown state for this pin
        pin.setShutdownOptions(true, PinState.LOW);
 
        System.out.println("--> GPIO state should be: ON");
 
        Thread.sleep(5000);
 
        // turn off gpio pin #01
        pin.low();
        System.out.println("--> GPIO state should be: OFF");
 
        Thread.sleep(5000);
 
        // toggle the current state of gpio pin #01 (should turn on)
        pin.toggle();
        System.out.println("--> GPIO state should be: ON");
 
        Thread.sleep(5000);
 
        // toggle the current state of gpio pin #01  (should turn off)
        pin.toggle();
        System.out.println("--> GPIO state should be: OFF");
 
        Thread.sleep(5000);
 
        // turn on gpio pin #01 for 1 second and then off
        System.out.println("--> GPIO state should be: ON for only 1 second");
        pin.pulse(1000, true); // set second argument to 'true' use a blocking call
 
        // stop all GPIO activity/threads by shutting down the GPIO controller
        // (this method will forcefully shutdown all GPIO monitoring threads and scheduled tasks)
        gpio.shutdown();
 
        System.out.println("Exiting ControlGpioExample");
    }
}

실행

# java -cp .:pi4j-core.jar:pi4j-gpio-extension.jar ControlGpioExample

실행결과


728x90
728x90

NanoPi NEO Air

출처 : NanoPi NEO Air

시리얼 연결

  • Debug Port(UART0)

RX | TX | 5v | GND

터미널 연결

기본 로그인 아이디, 패스워드

"root" / "fa"

Wifi 설정

# vi /etc/wpa_supplicant/wpa_supplicant.conf 

wpa_supplicant.conf

network={
        ssid="ssid1"
        psk="YourWiFiPassword"
}

network={
        ssid="ssid2"
        psk="YourWiFiPassword"
}

무선랜카드 다시 시작

# ifdown wlan0
Killed old client process
Internet Systems Consortium DHCP Client 4.3.3
Copyright 2004-2015 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/
 
Listening on LPF/wlan0/94:a1:a2:94:d1:a0
Sending on   LPF/wlan0/94:a1:a2:94:d1:a0
Sending on   Socket/fallback
DHCPRELEASE on wlan0 to 192.168.0.1 port 67 (xid=0x2f0e629b)
# ifup wlan0
Internet Systems Consortium DHCP Client 4.3.3
Copyright 2004-2015 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/
 
Listening on LPF/wlan0/94:a1:a2:94:d1:a0
Sending on   LPF/wlan0/94:a1:a2:94:d1:a0
Sending on   Socket/fallback
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 3 (xid=0xc921c22e)
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 6 (xid=0xc921c22e)
DHCPREQUEST of 192.168.0.59 on wlan0 to 255.255.255.255 port 67 (xid=0x2ec221c9)
DHCPOFFER of 192.168.0.59 from 192.168.0.1
DHCPACK of 192.168.0.59 from 192.168.0.1
bound to 192.168.0.59 -- renewal in 2738 seconds.

패키지 업데이트

# apt-get update

Bluetooth

# apt-get install bluetooth bluez obexftp openobex-apps python-gobject ussp-push time bc

How to burn Linux image to eMMC

출처 : How to burn Linux image to eMMC
bpi-copy command

# fdisk -l
Disk /dev/mmcblk0: 7.4 GiB, 7948206080 bytes, 15523840 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0xbac8c0ae
 
Device         Boot  Start      End  Sectors  Size Id Type
/dev/mmcblk0p1       49152   131071    81920   40M 83 Linux
/dev/mmcblk0p2      131072 15523839 15392768  7.3G 83 Linux
 

Disk /dev/mmcblk1: 7.3 GiB, 7818182656 bytes, 15269888 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
 

Disk /dev/mmcblk1boot1: 4 MiB, 4194304 bytes, 8192 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
 

Disk /dev/mmcblk1boot0: 4 MiB, 4194304 bytes, 8192 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes

이미지 복원

이미지 복원이 완료되면 SD 메모리를 제거하고 재부팅

# dd if=nanopi-air-ubuntu-core-qte-sd4g-20170220.img of=/dev/mmcblk1 bs=10MB
389+1 records in
389+1 records out
3899999232 bytes (3.9 GB, 3.6 GiB) copied, 346.862 s, 11.2 MB/s

OpenJDK 1.8 설치

# apt-get install openjdk-8-jdk

JAVA_HOME 환경변수 추가

# vi /etc/profile

내용 추가 export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-armhf

export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-armhf
728x90
728x90

Orange PI PC2 GPIO 설치

출처 : This is a modified WiringPi for OrangePi. We call it WiringOP. Test fo Orangepi pc
OrangePi-PCを使ってみる WiringPiとWiringOP
Orange PI PC 2 GPIO доступ через sysfs

현재 pi4j는 Orange PI PC2 지원하지 않아 수정한 jar를 배포합니다.

pi4j-core.jar

$ git clone https://github.com/kazukioishi/WiringOP.git -b h5
$ cd WiringOP
$ chmod +x ./build
$ sudo ./build
$ gpio -v
gpio version: 2.20
Copyright (c) 2012-2014 Gordon Henderson
This is free software with ABSOLUTELY NO WARRANTY.
For details type: gpio -warranty
 
Banana Pro Details:
  Type: Banana Pro, Revision: 1.2, Memory: 1024MB, Maker: LeMaker 
$ gpio readall
 +-----+-----+----------+------+---+-Orange Pi+---+---+------+---------+-----+--+
 | BCM | wPi |   Name   | Mode | V | Physical | V | Mode | Name     | wPi | BCM |
 +-----+-----+----------+------+---+----++----+---+------+----------+-----+-----+
 |     |     |     3.3v |      |   |  1 || 2  |   |      | 5v       |     |     |
 |  12 |   8 |    SDA.0 | ALT5 | 0 |  3 || 4  |   |      | 5V       |     |     |
 |  11 |   9 |    SCL.0 | ALT5 | 0 |  5 || 6  |   |      | 0v       |     |     |
 |   6 |   7 |   GPIO.7 | ALT3 | 0 |  7 || 8  | 0 | ALT5 | TxD3     | 15  | 13  |
 |     |     |       0v |      |   |  9 || 10 | 0 | ALT5 | RxD3     | 16  | 14  |
 |   1 |   0 |     RxD2 | ALT5 | 0 | 11 || 12 | 0 | ALT3 | GPIO.1   | 1   | 110 |
 |   0 |   2 |     TxD2 | ALT5 | 0 | 13 || 14 |   |      | 0v       |     |     |
 |   3 |   3 |     CTS2 | ALT5 | 0 | 15 || 16 | 0 | ALT3 | GPIO.4   | 4   | 68  |
 |     |     |     3.3v |      |   | 17 || 18 | 0 | ALT3 | GPIO.5   | 5   | 71  |
 |  64 |  12 |     MOSI | ALT4 | 0 | 19 || 20 |   |      | 0v       |     |     |
 |  65 |  13 |     MISO | ALT0 | 0 | 21 || 22 | 0 | ALT5 | RTS2     | 6   | 2   |
 |  66 |  14 |     SCLK | ALT4 | 0 | 23 || 24 | 0 | ALT4 | CE0      | 10  | 67  |
 |     |     |       0v |      |   | 25 || 26 | 0 | ALT3 | GPIO.11  | 11  | 21  |
 |  19 |  30 |    SDA.1 | ALT4 | 0 | 27 || 28 | 0 | ALT4 | SCL.1    | 31  | 18  |
 |   7 |  21 |  GPIO.21 | ALT3 | 0 | 29 || 30 |   |      | 0v       |     |     |
 |   8 |  22 |  GPIO.22 | ALT3 | 0 | 31 || 32 | 0 | ALT5 | RTS1     | 26  | 200 |
 |   9 |  23 |  GPIO.23 | ALT3 | 0 | 33 || 34 |   |      | 0v       |     |     |
 |  10 |  24 |  GPIO.24 | ALT3 | 0 | 35 || 36 | 0 | ALT5 | CTS1     | 27  | 201 |
 |  20 |  25 |  GPIO.25 |  OUT | 1 | 37 || 38 | 0 | ALT5 | TxD1     | 28  | 198 |
 |     |     |       0v |      |   | 39 || 40 | 0 | ALT5 | RxD1     | 29  | 199 |
 +-----+-----+----------+------+---+----++----+---+------+----------+-----+-----+
 | BCM | wPi |   Name   | Mode | V | Physical | V | Mode | Name     | wPi | BCM |
 +-----+-----+----------+------+---+-Orange Pi+---+------+----------+-----+-----+

C언어 샘플 소스

#include <wiringpi.h>
 
int main()
{
  wiringPiSetup();
  pinMode(7, OUTPUT);
  while(1) {
    digitalWrite(7,HIGH); 
    delay(500);
    digitalWrite(7,LOW); 
    delay(500);
  }
  return 0;
}

컴파일

$ gcc -Wall -o blink blink.c -lwiringPi -lpthread

실행

$ sudo ./blink
wiringPi: wiringPiSetup called
piboardRev: Hardware string: Hardware   : sun50iw2
Hardware:Hardware       : sun50iw2
piboardRevH3:  3
piboardRev: Hardware string: Hardware   : sun50iw2
Hardware:Hardware       : sun50iw2
piboardRevH3:  3
piboardRev: Hardware string: Hardware   : sun50iw2
Hardware:Hardware       : sun50iw2
piboardId: Revision string: 0000
pinMode,1947,pin:7,mode:1
func:sunxi_set_gpio_mode pin:6, MODE:1 bank:0 index:6 phyaddr:0x1c20800
read reg val: 0x71222222 offset:24
Out mode ready set val: 0x71222222
Out mode set over reg val: 0x71222222
digitalWrite,2270
func:sunxi_digitalWrite pin:6, value:1 bank:0 index:6 phyaddr:0x1c20810
befor write reg val: 0x100040,index:6
HIGH val set over reg val: 0x100040
digitalWrite,2270
func:sunxi_digitalWrite pin:6, value:0 bank:0 index:6 phyaddr:0x1c20810
befor write reg val: 0x100040,index:6
LOW val set over reg val: 0x100000
digitalWrite,2270
func:sunxi_digitalWrite pin:6, value:1 bank:0 index:6 phyaddr:0x1c20810
befor write reg val: 0x100000,index:6
HIGH val set over reg val: 0x100040
digitalWrite,2270
func:sunxi_digitalWrite pin:6, value:0 bank:0 index:6 phyaddr:0x1c20810
befor write reg val: 0x100040,index:6
LOW val set over reg val: 0x100000
digitalWrite,2270
func:sunxi_digitalWrite pin:6, value:1 bank:0 index:6 phyaddr:0x1c20810
befor write reg val: 0x100000,index:6
HIGH val set over reg val: 0x100040

java 샘플 소스

import com.pi4j.io.gpio.GpioFactory;
import com.pi4j.io.gpio.OrangePiPc2GpioProvider;
import com.pi4j.wiringpi.Gpio;

public class Blink {

	public static void main(String[] args) throws InterruptedException {
		
		GpioFactory.setDefaultProvider(new OrangePiPc2GpioProvider());

		// setup wiring pi
		if (Gpio.wiringPiSetup() == -1) {
			System.out.println(" ==>> GPIO SETUP FAILED");
			return;
		}

		Gpio.pinMode(7, Gpio.OUTPUT);
		while (true) {
			Gpio.digitalWrite(7, Gpio.HIGH);
			Gpio.delay(500);
			Gpio.digitalWrite(7, Gpio.LOW);
			Gpio.delay(500);
		}
	}
}

실행

$ sudo java -cp .:pi4j-core.jar:pi4j-gpio-extension.jar Blink

실행결과

728x90

+ Recent posts