Example #1
0
    serialPort.open()

outStr = ''
inStr = ''

serialPort.flushInput()
serialPort.flushOutput()

#for i, a in enumerate(range(33, 126)):
# outStr += chr(a)
outStr=rfile.read()
outStr=outStr.encode()
time.sleep(1)
serialPort.setRTS(1)
serialPort.write(outStr)
    #time.sleep(0.05)
ct=serialPort.getCTS()
if serialPort.getCTS():
	inStr = serialPort.read(10000) 

inStr=inStr.decode()

wfile.write(inStr)
print("Serial Port Input is : ",inStr)
outStr=outStr.decode()


serialPort.close()
rfile.close()
wfile.close()
Example #2
0
    file_exists = os.path.isfile(filename)
    ser.setDTR(not file_exists)

    if file_exists != previous_file_exists:
        # File existence has changed. Don't allow accept any switch
        # presses for a second.
        time.sleep(1)

    elif r is not None:
        # CTS changed state (or system call interrupted). Read CTS, sample
        # 5 times in 250mS for switch debouncing
        cts_count = 0
        for i in range(5):
            time.sleep(0.050)
            if ser.getCTS():
                cts_count += 1

        if cts_count >= 3:
            file_exists = not file_exists
            ser.setDTR(not file_exists)
            try:
                if file_exists:
                    fh = open(filename, 'a')
                    fh.close()
                else:
                    os.remove(filename)
                # Dont' allow state to be changed immediately
                time.sleep(1)
            except Exception as e:
                print(str(e))
serialPort = Serial("/dev/ttyUSB2", baudrate=9600, timeout=10)

if (serialPort.isOpen() == False):
    serialPort.open()

st = bitarray.bitarray()
wfile = open("Out.txt", "w")

while (serialPort.getDSR()):
    #print("Receiving...")
    pass
#serialPort.getCTS()
#start=time.time()
for i in range(0, 40):

    st.append(serialPort.getCTS())
    time.sleep(1)

#print(st)
#end=time.time()
#print("Time Taken is ",(end-start))
print("Received Output without Rx and Tx is:")

try:
    print(st)
    print(st.tostring())
    wfile.write(st.decode())

except:
    print(st)
Example #4
0
#
# swift.set_position(x=200, y=0, z=100)
# time.sleep(5)
# print(swift.get_polar())
#
#
# # # def test(ret):
# # #     print(ret)
# # #
# # # print(metal.send_cmd_sync('G0'))
# # # metal.send_cmd_async('G0', callback=test)
# #
# # while True:
# #     time.sleep(1)

import time
from serial import Serial

com = Serial("COM12", baudrate=115200)

print('getCD:', com.getCD())
print('getCTS:', com.getCTS())
print('getDSR:', com.getDSR())
print('getRI:', com.getRI())
print('get_settings:', com.get_settings())
print('timeout:', com.timeout)

while True:
    time.sleep(1)

Example #5
0
    def run(self, daemon_mode=True):
        if (daemon_mode):
            logger.info('Daemon starting, device=' + device 
                        + ', filename=' + filename)
            # Set up signal handler
            signal.signal(signal.SIGTERM, signal_handler)

        previous_device_state = 'none'
        previous_file_exists = os.path.isfile(filename)

        while True:
            try:
                file_exists = os.path.isfile(filename)
                if file_exists != previous_file_exists:
                    # File existence has changed whilst serial device
                    # is not available, cannot signal the change in
                    # state here.
                    if file_exists:
                        logger.info(filename + ' created externally')
                    else:
                        logger.info(filename + ' removed externally')

                ser = Serial(device)
                logger.info('Opened ' + device)
                ser.setDTR(xor(not file_exists, led_active_low ))

                while True:
                    r = timeout(ioctl, [ser.fd, TIOCMIWAIT, TIOCM_CTS], 
                                timeout_duration=10)

                    file_exists = os.path.isfile(filename)
                    ser.setDTR(xor(not file_exists, led_active_low))

                    if file_exists != previous_file_exists:
                        # File existence has changed, serial device is
                        # available so indicate the change. Don't act
                        # on any switch input since it might be
                        # inverse to what was intended. Wait a short
                        # while before reading the switch again so
                        # that the user can recognise the
                        # externally-induced state change.
                        if file_exists:
                            logger.info(filename + ' created externally')
                        else:
                            logger.info(filename + ' removed externally')
                        time.sleep(1)

                    elif r is not None:
                        # CTS changed state (or system call
                        # interrupted). Read CTS, sample 5 times in
                        # 250mS for switch debouncing
                        cts_count = 0
                        for i in range(5):
                            time.sleep(0.050)
                            if ser.getCTS():
                                cts_count += 1

                        if cts_count >= 3:
                            file_exists = not file_exists
                            ser.setDTR(xor(not file_exists, led_active_low))
                            try:
                                if file_exists:
                                    fh = open(filename, 'a')
                                    fh.close()
                                    logger.info(filename + ' created')
                                else:
                                    os.remove(filename)
                                    logger.info(filename + ' removed')
                                # Dont' allow state to be changed
                                # immediately
                                time.sleep(1)
                            except Exception as e:
                                logger.error(str(e))
                                for i in range(10):
                                    ser.setDTR(xor(i % 2, led_active_low))
                                    time.sleep(0.2)

                    previous_file_exists = file_exists
                    previous_device_state = 'opened'

            except (SerialTimeoutException, IOError):
                if previous_device_state == 'opened':
                    logger.error('Cannot access ' + device
                                 + ', waiting for it to appear')
                elif previous_device_state == 'none':
                    logger.error('Cannot open ' + device 
                                 + ', waiting for it to appear')
                previous_device_state = 'error'
                previous_file_exists = file_exists
                time.sleep(5)
Example #6
0
#!/usr/bin/env python2
#
# pyserial test

from serial import Serial
from eagleye import EasyConfig
import time, sys

config = EasyConfig("serial_test.cfg")

try:
    ser = Serial(config.serial_device, 192000)
except OSError:
    print "Cannot open serial device"
    exit(1)


while True:
    if raw_input("eh?:").startswith("y"):    
        ser.setRTS()
    
exit(0)

#print ser.name
while True:
    if ser.getCTS():
        print "True!"
        time.sleep(0.3)
    time.sleep(0.00001)
exit(0)