Raspberry Pi

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[[Soubor:PDF.gif]] [https://blog.withcode.uk/wp-content/uploads/2016/10/RPi_GPIO_python_quickstart_guide.pdf Raspberry Pi Python GPIO Quick start guide]
 
[[Soubor:PDF.gif]] [https://blog.withcode.uk/wp-content/uploads/2016/10/RPi_GPIO_python_quickstart_guide.pdf Raspberry Pi Python GPIO Quick start guide]
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=== Introduction ===
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==== [https://learn.sparkfun.com/tutorials/raspberry-gpio Raspberry gPIo] ====
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[https://learn.sparkfun.com/tutorials/raspberry-gpio#using-an-ide Download and Install Geany]
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[[Soubor:Geany.png|400px|link=https://learn.sparkfun.com/tutorials/raspberry-gpio#using-an-ide]]
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== Wiring Pi ==
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[[Soubor:RBP_Pinout.png|300px|link=https://pinout.xyz/pinout/wiringpi/]]
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{{#widget:YouTube|id=J6KsTz6hjfU|height=270|width=360|Popis|right}}
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===[http://wiringpi.com/examples/blink/ Blink]===
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[[Soubor:RB_LED.png|300px|link=http://wiringpi.com/examples/blink/]]
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<source lang"C">
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#include <wiringPi.h>
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int main (void)
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{
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  wiringPiSetup () ;
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  pinMode (0, OUTPUT) ;
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  for (;;)
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  {
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    digitalWrite (0, HIGH) ; delay (500) ;
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    digitalWrite (0,  LOW) ; delay (500) ;
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  }
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  return 0 ;
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}
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</source>
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To compile and run:
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gcc -Wall -o blink blink.c -lwiringPi
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sudo ./blink
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=== Set up the ports ===
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[[soubor:RB2_LED-PUSCH-SERVO.png|400px]]
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[http://raspi.tv/2013/how-to-use-wiringpi2-for-python-on-the-raspberry-pi-in-raspbian How to use WiringPi2 for Python on the Raspberry Pi in Raspbian part 1]
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<source lang"C">
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# GPIO port numbers 
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import wiringpi2 as wiringpi 
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wiringpi.wiringPiSetupGpio() 
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wiringpi.pinMode(25, 0) # sets GPIO 25 to input 
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wiringpi.pinMode(24, 1) # sets GPIO 24 to output 
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wiringpi.pinMode(18, 2) # sets GPIO 18 to PWM mode 
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# wiringpi numbers 
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import wiringpi2 as wiringpi 
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wiringpi.wiringPiSetup() 
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wiringpi.pinMode(6, 0) # sets WP pin 6 to input 
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wiringpi.pinMode(5, 1) # sets WP pin 5 to output 
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wiringpi.pinMode(1, 2) # sets WP pin 1 to PWM mode 
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# Physical P1 header pin numbers 
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import wiringpi2 as wiringpi 
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wiringPiSetupPhys() 
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wiringpi.pinMode(22, 0) # sets P1 pin 22 to input 
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wiringpi.pinMode(18, 1) # sets P1 pin 18 to output 
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wiringpi.pinMode(12, 2) # sets P1 pin 12 to PWM mode
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</source>
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===[http://hackyourmind.org/articles/2013/06/07/raspberry-pi-with-7-segment-display.html Raspberry Pi with 7-segment display]===
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[[Soubor:HD-M514RD.jpg|200px|link=http://hackyourmind.org/articles/2013/06/07/raspberry-pi-with-7-segment-display.html]]
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==  Python ==
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https://pypi.python.org/pypi/RPi.GPIO
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/opt/nagioe/python_demo/blink.py
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/opt/nagioe/python_demo/push.py
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===blink.py===
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<source lang"C">
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import RPi.GPIO as GPIO 
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import time 
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# blinking function 
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def blink(pin): 
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        GPIO.output(pin,GPIO.HIGH) 
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        time.sleep(1) 
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        GPIO.output(pin,GPIO.LOW) 
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        time.sleep(1) 
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        return 
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# to use Raspberry Pi board pin numbers 
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GPIO.setmode(GPIO.BOARD) 
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GPIO.setwarnings(False)
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# set up GPIO output channel 
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GPIO.setup(11, GPIO.OUT) 
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# blink GPIO17 50 times 
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for i in range(0,50): 
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blink(11)
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GPIO.cleanup()
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</source>
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===push.py===
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<source lang"C">
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import RPi.GPIO as GPIO
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import time 
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print GPIO.RPI_REVISION
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print GPIO.VERSION
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GPIO.setmode(GPIO.BOARD)
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pin=40
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GPIO.setup(pin, GPIO.IN)
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GPIO.setup(pin, GPIO.IN, pull_up_down=GPIO.PUD_UP)
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while (1):
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  print GPIO.input(pin)
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  time.sleep(0.5)
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#GPIO.output(pin, False)
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GPIO.cleanup() 
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</source>
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=== Control LED ===
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<source lang"C">
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import RPi.GPIO as GPIO 
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import time 
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# blinking function 
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def blink(pin, pin2): 
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        GPIO.output(pin,GPIO.HIGH) 
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        time.sleep(0.1) 
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        GPIO.output(pin,GPIO.LOW) 
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        time.sleep(0.1) 
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        GPIO.output(pin2,GPIO.HIGH) 
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        time.sleep(0.1) 
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        GPIO.output(pin2,GPIO.LOW) 
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        time.sleep(0.1)   
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        return 
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# to use Raspberry Pi board pin numbers 
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GPIO.setmode(GPIO.BOARD) 
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GPIO.setwarnings(False)
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# set up GPIO output channel 
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GPIO.setup(11, GPIO.OUT)
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GPIO.setup(13, GPIO.OUT)
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GPIO.setup(40, GPIO.IN, pull_up_down=GPIO.PUD_UP)
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blink(11, 13)
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while (1):
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if GPIO.input(40) == 0:
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blink(11, 13)
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time.sleep(0.1)
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GPIO.cleanup()
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</source>
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=== Turn LED ===
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source: http://engr.uconn.edu/~song/classes/nes/RPi.pdf
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<source lang"C">
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import RPi.GPIO as GPIO
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import time
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def main():
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GPIO.cleanup()
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GPIO.setmode(GPIO.BOARD) # to use Raspberry Pi board pin numbers
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GPIO.setup(11, GPIO.OUT) # set up GPIO output channel
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while True:
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  GPIO.output(11, GPIO.LOW) # set RPi board pin 11 low. Turn off LED.
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  time.sleep(1)
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  GPIO.output(11, GPIO.HIGH) # set RPi board pin 11 high. Turn on LED.
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  time.sleep(2)
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main()
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</source>
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== RaspBian ==
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Username: pi, password: NAGIoE2015
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Re-mapping Keyboard: XKBLAYOUT=”gb” Change “gb” to “us”
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sudo vi /etc/default/keyboard 
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Start the desktop by typing: (http://engr.uconn.edu/~song/classes/nes/RPi.pdf)
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startx 
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Booting your Raspberry Pi for the first time
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sudo raspi-config
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Update apt-get package index files:
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sudo apt-get update
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Install SSH:
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sudo apt-get install ssh
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Start SSH server:
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sudo /etc/init.d/ssh start
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To start the SSH server every time the Pi boots up:
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sudo update-rc.d ssh defaults
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[http://www.raspberrypi-spy.co.uk/2014/05/how-to-autostart-apps-in-rasbian-lxde-desktop/ How To Autostart Apps In Rasbian LXDE Desktop]
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sudo nano /etc/xdg/lxsession/LXDE-pi/autostart
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Auto-run Python Scripts 
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@/usr/bin/python /home/pi/example.py

Verze z 4. 2. 2022, 14:24

NAG-IoE

Soutěž NAG-IoE NAG-IoE


Obsah

Raspberry

Raspberry-pi 01.jpg

http://www.youtube.com/user/RaspberryPiTutorials/videos

http://www.youtube.com/user/RaspberryPiBeginners/videos?flow=grid&view=0

Raspberry 02.jpg

RaspberryPi - ovládání GPIO přes web

GPIO Examples

Raspberry 03.jpg

MagPi - A Magazine for Raspberry Pi Users


IoT UPJŠ

DU: shlédnou videa (alt. z jiných zdrojů) o Raspberry. https://youtu.be/fdBSbarhAUY https://youtu.be/0VwchnogzuQ Potvrďte splnění

VNC: ssh pi@192.168.1.238 ifconfig

sudo raspi.config

rasbian na PC

create.withcode.uk

Create with codeuk 01.png

PDF.gif Raspberry Pi Python GPIO Quick start guide



Introduction

Raspberry gPIo

Download and Install Geany

Geany.png

Wiring Pi

RBP Pinout.png

Blink

RB LED.png 

#include <wiringPi.h>
int main (void)
{
  wiringPiSetup () ;
  pinMode (0, OUTPUT) ;
  for (;;)
  {
    digitalWrite (0, HIGH) ; delay (500) ;
    digitalWrite (0,  LOW) ; delay (500) ;
  }
  return 0 ;
}

To compile and run: 

gcc -Wall -o blink blink.c -lwiringPi
sudo ./blink

Set up the ports

RB2 LED-PUSCH-SERVO.png

How to use WiringPi2 for Python on the Raspberry Pi in Raspbian part 1 

# GPIO port numbers  
import wiringpi2 as wiringpi  
wiringpi.wiringPiSetupGpio()  
wiringpi.pinMode(25, 0) # sets GPIO 25 to input  
wiringpi.pinMode(24, 1) # sets GPIO 24 to output  
wiringpi.pinMode(18, 2) # sets GPIO 18 to PWM mode  
 
# wiringpi numbers  
import wiringpi2 as wiringpi  
wiringpi.wiringPiSetup()  
wiringpi.pinMode(6, 0) # sets WP pin 6 to input  
wiringpi.pinMode(5, 1) # sets WP pin 5 to output  
wiringpi.pinMode(1, 2) # sets WP pin 1 to PWM mode  
 
# Physical P1 header pin numbers  
import wiringpi2 as wiringpi  
wiringPiSetupPhys()  
wiringpi.pinMode(22, 0) # sets P1 pin 22 to input  
wiringpi.pinMode(18, 1) # sets P1 pin 18 to output  
wiringpi.pinMode(12, 2) # sets P1 pin 12 to PWM mode

Raspberry Pi with 7-segment display

HD-M514RD.jpg

Python

https://pypi.python.org/pypi/RPi.GPIO 

/opt/nagioe/python_demo/blink.py
/opt/nagioe/python_demo/push.py

blink.py

import RPi.GPIO as GPIO  
import time  
# blinking function  
def blink(pin):  
        GPIO.output(pin,GPIO.HIGH)  
        time.sleep(1)  
        GPIO.output(pin,GPIO.LOW)  
        time.sleep(1)  
        return  
# to use Raspberry Pi board pin numbers  
GPIO.setmode(GPIO.BOARD)  
GPIO.setwarnings(False)
# set up GPIO output channel  
GPIO.setup(11, GPIO.OUT)  
# blink GPIO17 50 times  
for i in range(0,50):  
	blink(11)
GPIO.cleanup()

push.py

import RPi.GPIO as GPIO 
import time  
print GPIO.RPI_REVISION
print GPIO.VERSION 
GPIO.setmode(GPIO.BOARD)
 
pin=40
 
GPIO.setup(pin, GPIO.IN)
GPIO.setup(pin, GPIO.IN, pull_up_down=GPIO.PUD_UP)
while (1):
  print GPIO.input(pin)
  time.sleep(0.5)
#GPIO.output(pin, False)
GPIO.cleanup()

Control LED 

import RPi.GPIO as GPIO  
import time  
# blinking function  
def blink(pin, pin2):  
        GPIO.output(pin,GPIO.HIGH)  
        time.sleep(0.1)  
        GPIO.output(pin,GPIO.LOW)  
        time.sleep(0.1)  
        GPIO.output(pin2,GPIO.HIGH)  
        time.sleep(0.1)  
        GPIO.output(pin2,GPIO.LOW)  
        time.sleep(0.1)    
        return  
# to use Raspberry Pi board pin numbers  
GPIO.setmode(GPIO.BOARD)  
GPIO.setwarnings(False)
# set up GPIO output channel  
GPIO.setup(11, GPIO.OUT)
GPIO.setup(13, GPIO.OUT)
 
GPIO.setup(40, GPIO.IN, pull_up_down=GPIO.PUD_UP)
 
blink(11, 13)
 
while (1):
	if GPIO.input(40) == 0: 		
		blink(11, 13) 
	time.sleep(0.1)
GPIO.cleanup()

Turn LED

source: http://engr.uconn.edu/~song/classes/nes/RPi.pdf 

import RPi.GPIO as GPIO
import time
def main():
 GPIO.cleanup()
 GPIO.setmode(GPIO.BOARD) # to use Raspberry Pi board pin numbers
 GPIO.setup(11, GPIO.OUT) # set up GPIO output channel
 
 while True:
  GPIO.output(11, GPIO.LOW) # set RPi board pin 11 low. Turn off LED.
  time.sleep(1)
  GPIO.output(11, GPIO.HIGH) # set RPi board pin 11 high. Turn on LED.
  time.sleep(2)
main()

RaspBian

Username: pi, password: NAGIoE2015

Re-mapping Keyboard: XKBLAYOUT=”gb” Change “gb” to “us” 

sudo vi /etc/default/keyboard

Start the desktop by typing: (http://engr.uconn.edu/~song/classes/nes/RPi.pdf) 

startx

Booting your Raspberry Pi for the first time 

sudo raspi-config

Update apt-get package index files: 

sudo apt-get update

Install SSH: 

sudo apt-get install ssh

Start SSH server: 

sudo /etc/init.d/ssh start

To start the SSH server every time the Pi boots up: 

sudo update-rc.d ssh defaults

How To Autostart Apps In Rasbian LXDE Desktop 

sudo nano /etc/xdg/lxsession/LXDE-pi/autostart

Auto-run Python Scripts 

@/usr/bin/python /home/pi/example.py
Citováno z „http://wiki.sps-pi.cz/index.php?title=Raspberry_Pi&oldid=20279“
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