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thermocup_gui.py
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from PyQt4 import QtCore, QtGui
import sys
import datetime
import random
import RPIO
import logging
import time
import serial
import csv
fdic=open('/home/pi/Desktop/thermocup/tag_lookup.txt','r')
my_dic={}
csv_reader=csv.reader(fdic)
for row in csv_reader:
try:
my_dic[row[0]]=row[1]
except:
print "Error reading dictionary"
fdic.close()
logging.basicConfig(filename='/home/pi/Desktop/thermocup/debug.log',filemode='w',format="%(levelname)s|%(asctime)-15s|%(message)s",level=logging.WARNING)
title='ThermoCup 2013'
title_style='QLabel { font-size: 35pt; color:gray;}'
track_style='QLabel { font-size: 23pt; color:gray;}'
timer_style='QLabel {font-size:28pt; color:red;}'
timer_style_invalid='QLabel {font-size:28pt; color:gray;}'
rfid_style='QLabel {font-size:22pt; color:blue;}'
rfid_style_invalid='QLabel {font-size:22pt; color:gray;}'
table_header_style='QHeaderView {font-size: 16pt;}'
table_item_style='QTreeWidget, QTreeView{font-size:14pt; color:black}'
RPIO.wait_for_interrupts(threaded=True)
RPIO.setwarnings(False)
gpio_b_list=[4,17,22,9]
gpio_e_list=[14,18,23,25]
class MainGui(QtGui.QWidget):
def __init__(self,parent=None):
QtGui.QWidget.__init__(self,parent)
screen = QtGui.QDesktopWidget().screenGeometry() #get screen siz
#self.setWindowFlags(QtCore.Qt.WindowStaysOnTopHint)
#list of reader threads
self.reader_list=list()
self.reader_list.append(SerialReader(self,'/dev/ttyACM%s'%0))
self.reader_list.append(SerialReader(self,'/dev/ttyACM%s'%1))
self.reader_list.append(SerialReader(self,'/dev/ttyACM%s'%2))
self.reader_list.append(SerialReader(self,'/dev/ttyUSB%s'%0))
#list of track classes
self.track_list=list()
for i in range(0,len(gpio_b_list)):
self.track_list.append(Track(self,gpio_b_list[i],gpio_e_list[i],i+1,screen.width()/2-700+i*300))
#title label
self.title= QtGui.QLabel(title, self)
self.title.setStyleSheet(title_style)
self.title.setFixedWidth(600)
self.title.move(screen.width()/2-300,10)
self.title.setAlignment(QtCore.Qt.AlignCenter)
#ist_logo
ist_logo = QtGui.QLabel(self)
ist_logo.setPixmap( QtGui.QPixmap("ist_logo.png").scaled(280*0.82,150*0.82, QtCore.Qt.KeepAspectRatio))
#cienciaviva_logo
cienciaviva_logo= QtGui.QLabel(self)
cienciaviva_logo.setPixmap(QtGui.QPixmap("cienciaviva_logo.tif").scaled(200*0.85,160*0.85, QtCore.Qt.KeepAspectRatio))
cienciaviva_logo.move(screen.width()-200*0.9,0)
#ranking table
self.tree_widget= QtGui.QTreeWidget(self)
self.tree_widget.setHeaderLabels(['Ranking','Team Number','Time (s)','Del'])
self.tree_widget.setFixedWidth(1000)
self.tree_widget.setFixedHeight(650)
self.tree_widget.move(screen.width()/2-500,260)
self.tree_widget.setColumnWidth(0,250)
self.tree_widget.header().setResizeMode(0,QtGui.QHeaderView.Fixed)
self.tree_widget.setColumnWidth(1,250)
self.tree_widget.header().setResizeMode(1,QtGui.QHeaderView.Fixed)
self.tree_widget.setColumnWidth(2,450)
self.tree_widget.header().setResizeMode(2,QtGui.QHeaderView.Fixed)
self.tree_widget.setColumnWidth(3,10)
self.tree_widget.header().setResizeMode(3,QtGui.QHeaderView.Fixed)
self.tree_widget.header().setDefaultAlignment(QtCore.Qt.AlignCenter) #alingment of header tags
self.tree_widget.header().setStyleSheet(table_header_style)
self.tree_widget.setStyleSheet(table_item_style)
self.tree_widget.setAlternatingRowColors(True);
fdata=open('/home/pi/Desktop/thermocup/data/temp.txt','r')
for row in fdata:
aux=row.strip('\n').split(',')
if not aux[0]=='':
new_item=QtGui.QTreeWidgetItem(self.tree_widget)
new_item.setData(0,QtCore.Qt.DisplayRole,int(aux[0]))
new_item.setData(1,QtCore.Qt.DisplayRole,int(aux[1]))
new_item.setData(2,QtCore.Qt.DisplayRole,float(aux[2]))
new_item.setCheckState(3,QtCore.Qt.Unchecked)
new_item.setTextAlignment(0,4)
new_item.setTextAlignment(1,4)
new_item.setTextAlignment(2,4)
else:
new_sub_item=QtGui.QTreeWidgetItem(new_item)
new_sub_item.setData(1,QtCore.Qt.DisplayRole,int(aux[1]))
new_sub_item.setData(2,QtCore.Qt.DisplayRole,float(aux[2]))
new_sub_item.setCheckState(3,QtCore.Qt.Unchecked)
new_sub_item.setTextAlignment(0,4)
new_sub_item.setTextAlignment(1,4)
new_sub_item.setTextAlignment(2,4)
fdata.close()
self.tree_widget.header().setClickable(True)
self.tree_widget.header().sectionClicked.connect(self.deleteItemsSelection)
self.showFullScreen() #show fullscreen
def foda(self,index):
print "welcome to foda"
print index
def deleteItemsSelection(self,header_index):
if header_index==3:
reply = QtGui.QMessageBox.question(self,'Message',"Are you sure to quit?", QtGui.QMessageBox.Yes|QtGui.QMessageBox.No,QtGui.QMessageBox.No)
if reply == QtGui.QMessageBox.Yes:
i=0
count_items=self.tree_widget.topLevelItemCount()
while i<count_items:
aux=self.tree_widget.topLevelItem(i)
count_childs=aux.childCount()
j=0
while j<count_childs:
if aux.child(j).checkState(3)==QtCore.Qt.Checked:
print "removing child %d of item %d from table"%(j,i)
aux.removeChild(aux.child(j))
count_childs=aux.childCount()
j=j-1
j=j+1
if aux.checkState(3)==QtCore.Qt.Checked:
if aux.childCount()==0:
print "item has no child"
print "removing item %d from table"%i
self.tree_widget.takeTopLevelItem(i)
count_items=self.tree_widget.topLevelItemCount()
i=i-1
else:
print "this item is a parent have mercy on his sole, kill a child instead"
aux.setData(2,QtCore.Qt.DisplayRole,float(aux.child(0).text(2)))
aux.setCheckState(3,QtCore.Qt.Unchecked)
aux.removeChild(aux.child(0))
i=i+1
#close safeguard
def closeEvent(self, event):
reply = QtGui.QMessageBox.question(self,'Message',"Are you sure to quit?", QtGui.QMessageBox.Yes|QtGui.QMessageBox.No,QtGui.QMessageBox.No)
if reply == QtGui.QMessageBox.Yes:
#closing serial thread list
for thread in self.reader_list:
thread.terminate()
RPIO.stop_waiting_for_interrupts()
RPIO.cleanup()
event.accept()
else:
event.ignore()
############################ TRACK CLASS ####################################
class Track():
def __init__(self,gui_data,gpio_b,gpio_e,track_id,pos_x):
self.gui_data=gui_data
self.gpio_b=gpio_b
self.gpio_e=gpio_e
self.track_id=int(track_id)
#timer control flags
self.timer_running=False
self.timer_enable=False
self.rfid_enable=True
#timer clock
self.timer_clk= QtCore.QTimer()
self.timer_clk.timeout.connect(self.setTimerClk)
#track clock
self.track_clk= QtCore.QTimer()
self.track_clk.timeout.connect(self.disableTrack)
#track title
track_label=QtGui.QLabel("Pista %d"%(self.track_id),self.gui_data)
track_label.setStyleSheet(track_style)
track_label.setFixedWidth(200)
track_label.setAlignment(QtCore.Qt.AlignRight)
track_label.move(pos_x+100,120)
#timer label
self.timer_label=QtGui.QLabel('0:000',self.gui_data)
self.timer_label.setStyleSheet(timer_style)
self.timer_label.setFixedWidth(300)
self.timer_label.setAlignment(QtCore.Qt.AlignRight)
self.timer_label.move(pos_x,150)
#rfid label
self.rfid_label=QtGui.QLabel('',self.gui_data)
self.rfid_label.setStyleSheet(rfid_style)
self.rfid_label.setFixedWidth(200)
self.rfid_label.setAlignment(QtCore.Qt.AlignCenter)
self.rfid_label.move(pos_x+150,200)
def enableTrack(self,tag_id):
if self.rfid_enable==True:
print "tagid %s enabled track %s"%(tag_id,self.track_id)
self.rfid_enable=False
self.tag_id=tag_id
self.track_clk.start(20000)
self.rfid_label.setText("%s"%tag_id)
self.timer_enable=True
RPIO.add_interrupt_callback(self.gpio_b,self.startClk,edge='rising',pull_up_down=RPIO.PUD_UP,debounce_timeout_ms=None)
def startClk(self,gpio,val):
if self.timer_enable==True:
print "tagid %s started run on track %s"%(self.tag_id,self.track_id)
self.timer_enable=False
RPIO.del_interrupt_callback(self.gpio_b)
self.t_0=datetime.datetime.now()
self.timer_clk.start(5)
self.track_clk.stop()
self.timer_running=True
self.gui_data.update()
RPIO.add_interrupt_callback(self.gpio_e,self.stopClk,edge='rising',pull_up_down=RPIO.PUD_UP,debounce_timeout_ms=None)
def stopClk(self,gpio,val):
if self.timer_running==True:
print "tagid %s ended run on track %s"%(self.tag_id,self.track_id)
self.timer_running=False
RPIO.del_interrupt_callback(self.gpio_e)
self.timer_clk.stop()
self.track_clk.start(5)
#get and set ellapsed time
def setTimerClk(self):
self.t_lap= datetime.datetime.now()-self.t_0
self.timer_label.setText("%d:%03d"%(self.t_lap.seconds,self.t_lap.microseconds/1000))
#disable track and if timer was running kill's interrupt
def disableTrack(self,in_number=None):
clean=False
self.track_clk.stop() #closing it's self
if in_number==None:
if self.timer_running==False and self.timer_enable==True:
print "tagid %s made no run on track %s disabling it "%(self.tag_id,self.track_id)
RPIO.del_interrupt_callback(self.gpio_b)
clean=True
if self.timer_running==False and self.timer_enable==False:
print "tagid %s completed successfull run on track %s disabling it"%(self.tag_id,self.track_id)
self.gui_data.update()
time.sleep(5)
self.sortTree(reset=False)
clean=True
if in_number=='MASTER' :
if self.timer_running==False and self.timer_enable==False and self.rfid_enable==False:
print "%s is canceling after run, tagid %s and disabling track %s"%(in_number,self.tag_id,self.track_id)
self.rfid_label.setStyleSheet(rfid_style_invalid)
self.timer_label.setStyleSheet(timer_style_invalid)
self.gui_data.update()
time.sleep(5)
self.sortTree(reset=True)
clean=True
if self.timer_running==False and self.timer_enable==True:
self.timer_enable=False
print "%s is canceling before run, tagid %s and disabling track %s"%(in_number,self.tag_id,self.track_id)
clean=True
if self.timer_running==True and self.timer_enable==False:
self.timer_running=False
self.timer_clk.stop()
RPIO.del_interrupt_callback(self.gpio_e)
self.rfid_label.setStyleSheet(rfid_style_invalid)
self.timer_label.setStyleSheet(timer_style_invalid)
print "%s is canceling during run, tagid %s and disabling track %s"%(in_number,self.tag_id,self.track_id)
self.gui_data.update()
time.sleep(5)
self.sortTree(reset=True)
clean=True
if clean==True:
self.rfid_label.setStyleSheet(rfid_style)
self.timer_label.setStyleSheet(timer_style)
self.rfid_label.setText('')
self.timer_label.setText('0:000')
self.rfid_enable=True
self.gui_data.update()
def sortTree(self,reset):
if reset==False:
self.float_timer=float("%d.%03d"%(self.t_lap.seconds,self.t_lap.microseconds/1000))
else:
self.float_timer=float("inf")
match_item=self.gui_data.tree_widget.findItems(self.tag_id,QtCore.Qt.MatchExactly,1)
fdata=open('/home/pi/Desktop/thermocup/data/temp.txt','w')
if len(match_item)==0:
new_item=QtGui.QTreeWidgetItem(self.gui_data.tree_widget)
new_item.setData(1,QtCore.Qt.DisplayRole,self.tag_id)
new_item.setData(2,QtCore.Qt.DisplayRole,self.float_timer)
new_item.setTextAlignment(0,4)
new_item.setTextAlignment(1,4)
new_item.setTextAlignment(2,4)
new_item.setCheckState(3,QtCore.Qt.Unchecked)
elif self.float_timer<=float(match_item[0].text(2)):
new_sub_item=QtGui.QTreeWidgetItem(match_item[0])
new_sub_item.setData(1,QtCore.Qt.DisplayRole,float(match_item[0].text(1)))
new_sub_item.setData(2,QtCore.Qt.DisplayRole,float(match_item[0].text(2)))
match_item[0].setData(2,QtCore.Qt.DisplayRole,self.float_timer)
new_sub_item.setTextAlignment(0,4)
new_sub_item.setTextAlignment(1,4)
new_sub_item.setTextAlignment(2,4)
new_sub_item.setCheckState(3,QtCore.Qt.Unchecked)
elif self.float_timer>float(match_item[0].text(2)):
new_sub_item=QtGui.QTreeWidgetItem(match_item[0])
new_sub_item.setData(1,QtCore.Qt.DisplayRole,self.tag_id)
new_sub_item.setData(2,QtCore.Qt.DisplayRole,self.float_timer)
new_sub_item.setTextAlignment(0,4)
new_sub_item.setTextAlignment(1,4)
new_sub_item.setTextAlignment(2,4)
new_sub_item.setCheckState(3,QtCore.Qt.Unchecked)
self.gui_data.tree_widget.sortItems(2,0)
print "saving to file"
for i in range(0,self.gui_data.tree_widget.topLevelItemCount()):
aux=self.gui_data.tree_widget.topLevelItem(i)
aux.setData(0,QtCore.Qt.DisplayRole,i+1)
fdata.write("%d,%d,%.03f\n"%(int(aux.text(0)),int(aux.text(1)),float(aux.text(2))))
for j in range(0,aux.childCount()):
fdata.write(",%d,%.03f\n"%(int(aux.child(j).text(1)),float(aux.child(j).text(2))))
fdata.close()
############################ SERIAL THREAD ####################################
class SerialReader(QtCore.QThread):
def __init__(self,gui_data,in_dev):
QtCore.QThread.__init__(self)
self.gui_data=gui_data
self.con_flag=False
self.device_name=in_dev
self.start()
def run(self):
while True:
while self.con_flag==False:
try:
self.ser=serial.Serial(self.device_name,9600)
print "%s connected\n"%self.device_name
self.con_flag=True
except serial.SerialException:
time.sleep(1)
try:
in_channel, in_tag =self.ser.readline().strip('\r\n').strip(' ').split('#')
in_number=my_dic.get(in_tag)
in_channel=int(in_channel)-1
print in_tag
if not in_number==None and in_channel<len(self.gui_data.track_list):
if in_number=='MASTER':
self.gui_data.track_list[in_channel].disableTrack(in_number)
else:
self.gui_data.track_list[in_channel].enableTrack(in_number)
except serial.SerialException:
print "disconnected"
self.ser.close()
self.con_flag=False
def terminate(self):
try:
self.ser.close()
QtCore.QThread.terminate(self)
print "Stoping SerialRead Thread %s"%self.device_name
except:
print "Unable to close SerialRead Thread %s"%self.device_name
##################################################################################
if __name__ == '__main__':
app = QtGui.QApplication(sys.argv)
MainGui()
app.exec_()