Work Space

작업실 works

DcMortor
Translate Speech
SSH file share
OCR Translate
Proxy server

DcMortor

import RPi.GPIO as GPIO          
from time import sleep

GPIO.setmode(GPIO.BOARD)

ina1 = 33
ina2 = 35
ena = 37

inb1 = 31
inb2 = 29
enb = 23

GPIO.setup(ina1,GPIO.OUT)
GPIO.setup(ina2,GPIO.OUT)
GPIO.setup(ena,GPIO.OUT)

GPIO.setup(inb1,GPIO.OUT)
GPIO.setup(inb2,GPIO.OUT)
GPIO.setup(enb,GPIO.OUT)


pa=GPIO.PWM(ena,1000)
pa.start(25)

pb=GPIO.PWM(enb,1000)
pb.start(25)

print("\n")
print("The default speed & direction of motor is LOW & Forward.....")
print("r-run s-stop f-forward b-backward l-low m-medium h-high e-exit")
print("\n")    

while(1):

    x=input("")
# a -----    
    if x=='ar':
        print("a run")
        if(temp1==1):
         GPIO.output(ina1,GPIO.HIGH)
         GPIO.output(ina2,GPIO.LOW)
         print("a forward")
         x='z'
        else:
         GPIO.output(ina1,GPIO.LOW)
         GPIO.output(ina2,GPIO.HIGH)
         print("a backward")
         x='z'


    elif x=='as':
        print("a stop")
        GPIO.output(ina1,GPIO.LOW)
        GPIO.output(ina2,GPIO.LOW)
        x='z'

    elif x=='af':
        print("a forward")
        GPIO.output(ina1,GPIO.HIGH)
        GPIO.output(ina2,GPIO.LOW)
        temp1=1
        x='z'

    elif x=='ab':
        print("a backward")
        GPIO.output(ina1,GPIO.LOW)
        GPIO.output(ina2,GPIO.HIGH)
        temp1=0
        x='z'
# a -----

# b -----    
    if x=='br':
        print("b run")
        if(temp2==1):
         GPIO.output(inb1,GPIO.HIGH)
         GPIO.output(inb2,GPIO.LOW)
         print("forward")
         x='z'
        else:
         GPIO.output(inb1,GPIO.LOW)
         GPIO.output(inb2,GPIO.HIGH)
         print("backward")
         x='z'


    elif x=='bs':
        print("b stop")
        GPIO.output(inb1,GPIO.LOW)
        GPIO.output(inb2,GPIO.LOW)
        x='z'

    elif x=='bf':
        print("b forward")
        GPIO.output(inb1,GPIO.HIGH)
        GPIO.output(inb2,GPIO.LOW)
        temp2=1
        x='z'

    elif x=='bb':
        print("b backward")
        GPIO.output(inb1,GPIO.LOW)
        GPIO.output(inb2,GPIO.HIGH)
        temp2=0
        x='z'
# b -----

    elif x=='al':
        print("a low")
        pa.ChangeDutyCycle(25)
        x='z'

    elif x=='am':
        print("a medium")
        pa.ChangeDutyCycle(50)
        x='z'

    elif x=='ah':
        print("a high")
        pa.ChangeDutyCycle(75)
        x='z'
    
    elif x=='bl':
        print("b low")
        pb.ChangeDutyCycle(25)
        x='z'

    elif x=='bm':
        print("b medium")
        pb.ChangeDutyCycle(50)
        x='z'

    elif x=='bh':
        print("b high")
        pb.ChangeDutyCycle(75)
        x='z'
     
    
    elif x=='e':
        GPIO.cleanup()
        break
    
    else:
        print("<<<  wrong data  >>>")
        print("please enter the defined data to continue.....")

Translate Speech

Change the line 151 in google_trans_new/google_trans_new.py which is: response = (decoded_line + ']') to response = decoded_line 위치는 : /home/pi/.local/lib/python3.9/site-packages/google_trans_new

from google_speech import Speech
from google_trans_new import google_translator  

translator = google_translator()  
translate_text = translator.translate("안녕하세요 ", lang_tgt='en')  


speech = Speech(translate_text, 'en')
speech.play()

print(translate_text)

from googletrans import Translator
from google_speech import Speech
from time import sleep

stringWord="ダウンタウンD.C.は、ホワイトハウスの近くに抗議し、挑発の別の夜の後に燃えます"

translator = Translator()
#result = translator.translate('안녕하세요.', dest='ja')
result = translator.translate(stringWord, dest='ko')
print(' -> ', result.text)
speech = Speech(result.text, 'ko')
speech.play()
sleep(2)
result = translator.translate(stringWord, dest='en')
print(' -> ', result.text)
speech = Speech(result.text, 'en')
speech.play()
sleep(2)
result = translator.translate(stringWord, dest='ja')
print(' -> ', result.text)
speech = Speech(result.text, 'ja')
speech.play()

SSH file share

Host root user가 아닌 사용자 실행은 아래로 변경

sudo vi /etc/fuse.conf

# /etc/fuse.conf - Configuration file for Filesystem in Userspace (FUSE)

# Set the maximum number of FUSE mounts allowed to non-root users.
# The default is 1000.
mount_max = 1000

# Allow non-root users to specify the allow_other or allow_root mount options.
user_allow_other

Client

#!/bin/sh

/usr/bin/sshfs -o allow_other hyunsu@192.168.0.10:/data /home/pi/Desktop/sshf

exit 0

OCR Translate

이미지를 읽어서 번역하여 읽어주는 프로그램

import pytesseract
import cv2
import os
from PIL import Image
import numpy as np
import re
from google_speech import Speech
from google_trans_new import google_translator

translator = google_translator()

imgPath = '/home/pi/Desktop/work/doc.jpg'

if __name__=="__main__":
    print("START ... ")
    print(pytesseract.get_languages(config=''))
    ocrString = pytesseract.image_to_string(Image.open(imgPath), lang='kor+eng')
    #print(">>>> " + ocrString.strip())
    regex = re.sub('[-=+,#/\?:^.@*\"※~ㆍ!』‘|\(\)\[\]`\'…》\”\“\’·]', ' ', ocrString.strip())
    print(">>>> " + regex.strip())
    translate_text = translator.translate(regex.strip(), lang_tgt='ko')
    print(">>>> " + translate_text)
    speech = Speech(translate_text, 'ko')
    speech.play()

read image

Proxy server

Proxy Server

#!/usr/bin/python
# This is a simple port-forward / proxy, written using only the default python
# library. If you want to make a suggestion or fix something you can contact-me
# at voorloop_at_gmail.com
# Distributed over IDC(I Don't Care) license
import socket
import select
import time
import sys


# Changing the buffer_size and delay, you can improve the speed and bandwidth.
# But when buffer get to high or delay go too down, you can broke things
buffer_size = 4096
delay = 0.0001
forward_to = ('localhost', 8081)

class Forward:
    def __init__(self):
        self.forward = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

    def start(self, host, port):
        try:
            self.forward.connect((host, port))
            return self.forward
        except Exception as e:
            print(">"+ str(e) )
            return False

class TheServer:
    input_list = []
    channel = {}

    def __init__(self, host, port):
        self.server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        self.server.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        self.server.bind((host, port))
        self.server.listen(200)

    def main_loop(self):
        self.input_list.append(self.server)
        while 1:
            time.sleep(delay)
            ss = select.select
            inputready, outputready, exceptready = ss(self.input_list, [], [])
            for self.s in inputready:
                if self.s == self.server:
                    self.on_accept()
                    break

                self.data = self.s.recv(buffer_size)
                if len(self.data) == 0:
                    self.on_close()
                    break
                else:
                    self.on_recv()

    def on_accept(self):
        forward = Forward().start(forward_to[0], forward_to[1])
        clientsock, clientaddr = self.server.accept()
        if forward:
            print(">"+ str(clientaddr) +  "has connected")
            self.input_list.append(clientsock)
            self.input_list.append(forward)
            self.channel[clientsock] = forward
            self.channel[forward] = clientsock
        else:
            print(">"+ "Can't establish connection with remote server.")
            print(">"+ "Closing connection with client side" + str(clientaddr))
            clientsock.close()

    def on_close(self):
        print(">"+ str(self.s.getpeername()) + "has disconnected")
        #remove objects from input_list
        self.input_list.remove(self.s)
        self.input_list.remove(self.channel[self.s])
        out = self.channel[self.s]
        # close the connection with client
        self.channel[out].close()  # equivalent to do self.s.close()
        # close the connection with remote server
        self.channel[self.s].close()
        # delete both objects from channel dict
        del self.channel[out]
        del self.channel[self.s]

    def on_recv(self):
        data = self.data
        # here we can parse and/or modify the data before send forward
        #print(">"+ str(data))
        self.channel[self.s].send(data)

if __name__ == '__main__':
        server = TheServer('', 8080)
        try:
            server.main_loop()
        except KeyboardInterrupt:
            print(">"+ "Ctrl C - Stopping server")
            sys.exit(1)