def __init__(self,dev="/dev/ttyUSB0",baud=57600,debug=False): self.at=SerialAT() self.debug=debug self.at.setDebug(debug) self.device=dev self.baud=baud
def open(self): self.at=SerialAT() self.at.serialInit(self.device,self.baud) self.at.serialOpen()
class BtATSet:
device="/dev/ttyUSB0"
baud=57600
defbaud=9600
debug=False
def __init__(self,dev="/dev/ttyUSB0",baud=57600,debug=False):
self.at=SerialAT()
self.debug=debug
self.at.setDebug(debug)
self.device=dev
self.baud=baud
def open(self):
self.at=SerialAT()
self.at.serialInit(self.device,self.baud)
self.at.serialOpen()
def reset(self):
self.at.serialReset()
def close(self):
self.at.serialClose()
def open_at_baud(self,baud=57600):
#self.closeauto()
if baud != self.baud: self.baud=baud
#print self.baud
self.open()
def chk_at(self,baud=-1):
#self.at.AT(' ',{'re':('OK','ERROR'),'req':''},0.20)
self.at.AT(' ',{'re':('OK','ERROR'),'req':''},0.20)
self.at.AT(' ',{'re':('OK','ERROR'),'req':''},0.20)
result = self.at.AT('AT',{'re':('OK','ERROR'),'req':'OK'},0.20)
#result = self.at.AT('AT',{'re':('OK','ERROR'),'req':'OK'},0.10)
if baud == -1: baud=self.baud
if self.debug: print baud, result
if "OK" == result['re']:
print "BtSerial %s is baud %d bps"%(self.device,baud)
#if baud != self.defbaud:
# print " no auto set baud %d bps"%(baud)
else:
print "BtSerial %s not baud %d bps"%(self.device,baud)
return (result["re"]=="OK") if True else False
def set_new_baud(self,baud=57600):
bauds=[1200,2400,4800,9600,19200,38400,57600,115200,230400,460800,921600,1382400]
c=1
t=4
for i in bauds:
if i == baud :
t=c
break
c+=1
result = self.at.AT("AT+BAUD%X "%(t),{'re':('OK','ERROR'),'req':'+BAUD'},0.10)
if self.debug: print baud, result
return (result["re"]=="OK") if True else False
def set_new_name(self,name):
result = self.at.AT("AT+NAME%s "%(name),{'re':('OK','ERROR'),'req':'+NAME'},0.10)
if self.debug: print result
return (result["re"]=="OK") if True else False
def exit(self):
self.at.serialClose()
def forceBtSet(self,newName="SPP-CA",targetBaud=57600,baseBaud=9600):
baud=targetBaud
self.close()
self.open_at_baud(baud)
print "step 1 :",
if self.chk_at():
if self.set_new_name(newName):
print " set new name (%s) ok!"%(newName)
else:
print " not new name (%s) err!"%(newName)
self.close()
print " btserial baud is %s bps, exit..."%(str(baud))
return
self.close()
baud=baseBaud
self.open_at_baud(baud)
print "step 2 :",
if self.chk_at():
print " btserial baud is %s bps, will set btserial baud at %s bps"%(str(baseBaud),str(targetBaud))
if self.set_new_name(newName):
print " set new name (%s) ok!"%(newName)
else:
print " not new name (%s) err!"%(newName)
if self.set_new_baud(targetBaud):
print " btserial baud is %s bps.."%(str(targetBaud))
else:
print " btserial baud not set %s bps.."%(str(targetBaud))
else:
print " btserial baud at ???? bps, error!!!!!"
self.close()
baud=targetBaud
self.open_at_baud(baud)
print "step 3 :",
if self.chk_at():
print " btserial baud is %s bps, exit..."%(str(baud))
self.close()