Projet: Utiliser un orange pi avec interface TRX pour faire une balise avec les fonctions balise CW et répéteur.
Vous pouvez télécharger le script et les autres fichiers ICI.
1.Installation des paquets
apt-get install python-dev libttspico-utils sox qt4-qmake libx11-dev qt4-qmake cmake build-essential qt4-qmake cw python-configparser git clone https://github.com/duxingkei33/orangepi_PC_gpio_pyH3 nano orangepi_PC_gpio_pyH3//pyA20/gpio/mapping.h
ligne 88 ajouter:
{ « PA14 », SUNXI_GPA(14), 10 },
{ « PA15 », SUNXI_GPA(15), 19 },
cd orangepi_PC_gpio_pyH3 python setup.py install
2.Mise en place du script principale:
mkdir /etc/balise
nano /etc/balise/ultimatebeacon.py
#!/usr/bin/python #-*- coding: utf-8 -*- import os, sys, time, subprocess, threading, commands from ConfigParser import SafeConfigParser scriptspath = os.path.dirname(sys.argv[0]) + "/" config = SafeConfigParser() config.read(scriptspath + 'config.ini') if not os.getegid() == 0: sys.exit('Script must be run as root') from pyA20.gpio import gpio from pyA20.gpio import connector from pyA20.gpio import port PTTSTAT = False #********Variables à adapter************** PTTPIN = port.PA14 COSPIN = port.PA15 alsadeviceinput = config.get('main', 'alsadeviceinput') alsadeviceoutput = config.get('main', 'alsadeviceoutput') TimeToPTT = config.getint('main', 'TimeToPTT') TimeToReleasePTT = config.getint('main', 'TimeToReleasePTT') BeaconInterval = config.getint('main', 'BeaconInterval') BeaconIntervalMin = config.getint('main', 'BeaconIntervalMin') parrotisAlive = config.getint('main', 'parrotisAlive') beaconisAlive = config.getint('main', 'beaconisAlive') #**************************************** #GPIO gpio.init() gpio.setcfg(PTTPIN, gpio.OUTPUT) gpio.setcfg(COSPIN, gpio.INPUT) gpio.pullup(COSPIN, gpio.PULLUP) def savparam(param,value): global config config.set('main', param, str(value)) def stop_if_already_running(): script_name = os.path.basename(__file__) pid = str(os.getpid()) l = commands.getstatusoutput("ps aux | grep -e "+script_name+" | grep -v grep | grep -v "+ pid +" | grep -v awk | awk '{print $2}'") if l[1]: sys.exit(0); def playwav(chemin): os.system("aplay "+chemin+" -q -N -D "+alsadeviceoutput) def PTT(status): CTTPTT = int(round(time.time() * 1000)) global PTTSTAT if status == True: while(PTTSTAT == True): time.sleep(1) PTTSTAT = True gpio.output(PTTPIN, 1) while ((CTTPTT + TimeToPTT) > int(round(time.time() * 1000))): time.sleep(0.1) return True else: CTTPTT = int(round(time.time() * 1000)) while ((CTTPTT + TimeToReleasePTT) > int(round(time.time() * 1000))): time.sleep(0.1) gpio.output(PTTPIN, 0) PTTSTAT = False return False def COS(): if gpio.input(COSPIN) == 1: return False else: return True def mes(N): print N PTT(True) try: playwav(scriptspath + N +".wav") except: pass PTT(False) def play_line_pico(text): os.system("pico2wave -l fr-FR -w /dev/shm/temp.wav '" + text + "';") os.system("sox -t wav /dev/shm/temp.wav -esigned-integer -b32 -r 48000 -c 2 -t wav /dev/shm/mess.wav") PTT(True) os.system("aplay -q -N -r 48000 -c 2 -D "+alsadeviceoutput+" /dev/shm/mess.wav") PTT(False) def action(mess): global parrot, beacon, BeaconInterval, BeaconIntervalMin, commande if mess.find("0") != -1: mes("som") if mess.find("1") != -1: if beacon.isAlive() == False: mes("baon") if len(commande) > 1 : if int(commande[1:]) >= BeaconIntervalMin: BeaconInterval = int(commande[1:]) else: BeaconInterval = BeaconIntervalMin play_line_pico("attention interval minimal fixé à : " + str(BeaconIntervalMin) + " secondes") play_line_pico("intervale: " + str(BeaconInterval) + " secondes") beacon = beaconClass() beacon.start() else: try: beacon.stop() mes("baoff") beacon = beaconClass() except: pass if mess.find("2") != -1: if parrot.isAlive() == False: mes("paon") parrot.start() else: try: parrot.stop() mes("paoff") parrot = parrotClass() except: pass if mess.find("3") != -1: mes("hello") if mess.find("9") != -1: mes("reboot") time.sleep(5) os.system("shutdown -r -f now") if mess.find("*") != -1: savparam("BeaconInterval",BeaconInterval) if parrot.isAlive() == True: savparam("parrotisAlive",1) else: savparam("parrotisAlive",0) if beacon.isAlive() == True: savparam("beaconisAlive",1) else: savparam("beaconisAlive",0) mes("savparam") with open(scriptspath + 'config.ini', 'w') as f: config.write(f) class parrotClass(threading.Thread): def __init__(self): threading.Thread.__init__(self) self.event = threading.Event() def run(self): global processparrot, commande while not self.event.is_set(): try: processparrot = subprocess.Popen("arecord -q -N -f S32_LE -r 48000 -c 2 -D " + alsadeviceinput + " -t raw | sox -t raw -r 48000 -b 16 -L -e signed -c 1 - -t raw - silence 1 0.1 3% 5 1.0 5% trim 0 60 highpass 300 lowpass 5000 | sox -t raw -r 48000 -b 32 -L -e signed -c 2 - /dev/shm/parrot.wav speed 0.48 gain -n -2 compand 0.1,0.1 -60,-60,-40,-10,-20,-8,-10,-6,-6,-5,-3,-3 -6", shell=True, stdout=subprocess.PIPE) processparrot.wait() if commande == "": PTT(True) processparrot = subprocess.Popen("aplay /dev/shm/parrot.wav -q -N -D "+alsadeviceoutput, shell=True, stdout=subprocess.PIPE) processparrot.wait() PTT(False) except: pass def stop(self): global processparrot processparrot.kill() os.system("ps -ef | grep /dev/shm/parrot.wav | grep -v grep | awk '{print $2}' | xargs kill -9") self.event.set() parrot = parrotClass() class beaconClass(threading.Thread): def __init__(self): threading.Thread.__init__(self) self.event = threading.Event() def run(self): while not self.event.is_set(): global BeaconInterval print BeaconInterval mes("cw") self.event.wait( BeaconInterval ) def stop(self): self.event.set() beacon = beaconClass() class getcommand(threading.Thread): def __init__(self): threading.Thread.__init__(self) self.event = threading.Event() def run(self): global multimon_ng, commande multimon_ng = subprocess.Popen("(arecord -t raw -D "+alsadeviceinput+" -r 48000 -c 2 -f S32_LE | sox -t raw -e signed-integer -b32 -r 48000 -c 2 - -t raw -e signed-integer -b 16 -r 22050 - | multimon-ng -a DTMF -q -t raw -)", stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True) ready = False while(COS()==True): nextline = multimon_ng.stdout.readline() multimon_ng.poll() if nextline.__contains__("DTMF:"): nextline = nextline.split('DTMF: ')[1] if nextline.find("#") != -1: ready = True if nextline.find("#") == -1 and ready == True: commande += str(nextline.rstrip()) def stop(self): global multimon_ng multimon_ng.kill() os.system("ps -ef | grep multimon-ng | grep -v grep | awk '{print $2}' | xargs kill -9") self.event.set() if __name__ == '__main__': stop_if_already_running() try: global commande mes("start") if parrotisAlive == 1: commande = "2" action(commande[0]) time.sleep(1) if beaconisAlive == 1: commande = "1" + str(BeaconInterval) action(commande[0]) time.sleep(1) while(True): if COS()==True: commande = "" print "rx start" getC = getcommand() getC.start() while(COS()==True): time.sleep(0.5) getC.stop() print "rx stop" if len(commande) > 0 : print commande action(commande[0]) time.sleep(0.1) except KeyboardInterrupt: PTT(False) try: getC.stop() except: pass try: beacon.stop() except: pass try: parrot.stop() except: pass print ("Goodbye.") except: PTT(False) try: getC.stop() except: pass try: beacon.stop() except: pass try: parrot.stop() except: pass pass
chmod 755 /etc/balise/ultimatebeacon.py
3.Mise en place des éléments secondaires
cd /tmp && wget https://github.com/Kerrick/cwwav/archive/master.tar.gz --output-document cwwav.tar.gz tar -zxvf cwwav.tar.gz && cd cwwav-master make apt-get install libsndfile-dev make make install mkdir /etc/balise cd /etc/balise pico2wave -l fr-FR -w /dev/shm/temp.wav "démarage de la balise" sox -t wav /dev/shm/temp.wav -esigned-integer -b32 -r 48000 -c 2 -t wav /etc/balise/start.wav pico2wave -l fr-FR -w /dev/shm/temp.wav "Sommaire 1 activer ou désactiver la balise 2 activer ou désactiver le peroquet" sox -t wav /dev/shm/temp.wav -esigned-integer -b32 -r 48000 -c 2 -t wav /etc/balise/som.wav pico2wave -l fr-FR -w /dev/shm/temp.wav "Mode balise activé" sox -t wav /dev/shm/temp.wav -esigned-integer -b32 -r 48000 -c 2 -t wav /etc/balise/baon.wav pico2wave -l fr-FR -w /dev/shm/temp.wav "Mode balise désactivé" sox -t wav /dev/shm/temp.wav -esigned-integer -b32 -r 48000 -c 2 -t wav /etc/balise/baoff.wav pico2wave -l fr-FR -w /dev/shm/temp.wav "Mode répéteur activé" sox -t wav /dev/shm/temp.wav -esigned-integer -b32 -r 48000 -c 2 -t wav /etc/balise/paon.wav pico2wave -l fr-FR -w /dev/shm/temp.wav "Mode répéteur désactivé" sox -t wav /dev/shm/temp.wav -esigned-integer -b32 -r 48000 -c 2 -t wav /etc/balise/paoff.wav pico2wave -l fr-FR -w /dev/shm/temp.wav "Redémarage en cours" root@orangepizero:~# sox -t wav /dev/shm/temp.wav -esigned-integer -b32 -r 48000 -c 2 -t wav /etc/balise/reboot.wav echo "QRA DE ET / ET DE QRA" | cwwav -f 700 -w 20 -o /dev/shm/temp.wav sox -t wav /dev/shm/temp.wav -esigned-integer -b32 -r 48000 -c 2 -t wav /etc/balise/cw.wav
4.Lancement au démarage
nano /etc/balise/startU.sh
#!/bin/bash sleep 20 nice -n -15 /usr/bin/python /etc/balise/ultimatebeacon.py &
nano /etc/rc.local
ajouter:
/etc/balise/startU.sh &
avant exit 0