def send(message):
try:
port = ser('/dev/ttyS3')
port.baudrate = 115200
port.open()
port.flushInput()
except:
print('Unable to open port')
return
port.write(message)
def read():
try:
port = ser('/dev/ttyS1')
port.baudrate = 9600
port.timeout = 60
port.open()
except:
printf('Unable to open port')
return None
rev = port.read(port.inWaiting())
return rev
def read(message):
try:
port = ser('/dev/ttyS3')
port.baudrate = 115200
port.open()
port.flushInput()
except:
print('Unable to open port')
return None
rev = port.readline(message)
return rev
def __init__(self, *args, **kwargs):
self.sequence = 1
self.is_saved = False
self.interval = 15
self.timeout = 15
try:
self.port = ser('/dev/ttyS0') # set the port
self.port.baudrate = 115200 # set baudrate
self.port.timeOut = None # set port time out
except:
self.port = None
print('Unable to setup port')
def __init__(self, comid):
self.name = comid
self.com = None
self.alive = False
try:
self.com = ser(comid)
except:
self.com_not_alive_err(self.name)
finally:
if self.com:
self.alive = True
else:
self.alive = False
def __init__(self, *args, **kwargs):
self.cmd = {
'binex':
'out,,binex/{00_00,01_01,01_02,01_05,01_06,7E_00,7D_00,7F_02,7F_03,7F_04,7F_05}',
'nmea':
'out,,nmea/{GGA,GLL,GMP,GNS,GRS,GSA,GST,GSV,HDT,RMC,ROT,VTG,ZDA,UID,P_ATT}',
'GPGGA': 'out,,nmea/GGA',
'GPVTG': 'out,,nmea/VTG'
}
self.sequence = 1
self.is_saved = False
self.interval = 15
self.timeout = 10
try:
self.port = ser('/dev/ttyS0') # set the port
self.port.baudrate = 115200 # set baudrate
self.port.timeOut = None # set port time out
except:
self.port = None
print('Unable to setup port')
def send(message="Testing"):
try:
port = ser('/dev/ttyS1')
port.baudrate = 9600
port.open()
iridium_on(1)
sbd_on(1)
sleep(1)
iridium_off(1)
enable_serial()
sleep(1)
except:
printf('Unable to open port')
else:
port.write(message + '\r')
printf('sent SBD message: {0} {1}'.format(message, '\r'))
sleep(60)
finally:
disable_serial()
sbd_off(1)
iridium_off(1)
def acquire(comport='COM3'):
p = ser(comport, 115200)
print("Waiting for data.")
while p.in_waiting == 0:
sleep(0.25)
print("Acquiring...")
while True:
tmp = p.in_waiting
sleep(0.1)
if tmp == p.in_waiting:
break
acquisition = [str(line, 'ascii') for line in p.read_all().split(b'\r\n')]
p.close()
print("Done")
return acquisition
import Adafruit_BBIO.UART as uart
from serial import Serial as ser
import time
#P9_13 => Serial4_Tx
#P9_11 => Serial4_Rx
uart.setup("UART4")
s = ser(port="/dev/ttyO2", baudrate=9600, timeout=1)
s.close()
s.open()
M1_OFFSET = 1
M2_OFFSET = 128
MIN_SIG = 0
MAX_SIG = 126
def make_msg(speed, motor_offset):
return speed + motor_offset
while (True):
for SIGNAL in range(MIN_SIG, MAX_SIG):
msg1 = make_msg(SIGNAL, M1_OFFSET)
msg2 = make_msg(SIGNAL, M2_OFFSET)
s.write(chr(msg1))
s.write(chr(msg2))
print("writing value of '{}'".format(msg1))
print("writing value of '{}'".format(msg2))
time.sleep(0.2)
#!/usr/bin/python
# moculos
from sqlite3 import connect as con
from serial import Serial as ser
# constantes de la comunicacion serial
port = 0
bd = 2400
# establecer conemunicacion serial
s = ser(port,bd)
# conexion con la base de datos
conn = con('lab06BD.db')
c = conn.cursor()
# condiconal y aumentador
salir = False
n = 1
# loop
while not salir:
recv = s.readline()
if recv != null:
if recv == "salir":
con.close()
s.close()
salir = True
else:
sql = "INSERT INTO T_Datos VALUES(?, ?, date('now'))"
from serial import Serial as ser
port = raw_input("/dev/ttyUSB")
baud = raw_input("Baudrate: ")
dev = ser("/dev/ttyUSB" + port, baudrate=baud)
while True:
dev.flush()
dev.write("RID\n")
try:
print "%s" % dev.readline()
except KeyboardInterrupt:
print "Failed to receive"
cont = raw_input("Continue? (y/n)")
if cont == "n":
break
dev.close()
from serial import Serial as ser
p = ser('/dev/ttyAMA0', 115200, timeout=1)
if p.read() == b'':
print("LIDAR.py: no LIDAR serial connection.")
def getFrame():
frame = []
header = b''
while True:
header = p.read(2)
if int.from_bytes(header, byteorder='big') == 22873:
for a in range(7):
frame.append(int.from_bytes(p.read(), byteorder='big'))
if frame[6] == (sum(frame[0:6]) + 89 + 89) % 256:
return frame
else:
frame = []
def getDist(frame=None):
if frame is None:
frame = getFrame()
dist = bytes([frame[3], frame[2]])
return int.from_bytes(dist, byteorder='big')
def main():
with ser() as Serial:
Serial.baudrate = 115200
Serial.port = argv[1]
Serial.open()
if (!Serial.is_open):
print("ERROR :: Serial commincation fail.")
print("Cannot connect to %s." % (argv[1]))
exit()
Serial.readline()
Serial.write("Next");
intro = '''G-Code Interpreter V_1.0
Type "help" for more information.'''
ready_symbol = ">>$ "
print (intro)
# Program loop
while (True):
# Wait for a microcontroller to be ready for next command.
while(Serial.readline() != "ready\r\n"):
pass
# Get the next command, remove any leading spaces, then split by spaces.
command = raw_input(ready_symbol)
command = command.strip()
command = command.split(" ")
if (command[0] == "exit"):
exit();
# Prints a list of all possible commands.
elif (command[0] == "help"):
print ('''
The following are a list of possible commands and their parameters ::
exit :: Exits the program.
## INFORMATION ##
help :: List of possible commands
version :: Current version of G-Code Interpreter.
## WORKING WITH FILES ##
run_gcode :: Runs the gcode file of name provided.
>> [filename].gcode
## MOTOR COMMANDS ##
enable_motors :: Enable motors, constant power. (Default)
disable_motors :: Disable motors, no power.
move_to :: Moves endpoint of CNC.
>> X[position] - X Position(float 0.00-MAX DEPTH)
>> Y[position] - Y Position(float 0.00-MAX WIDTH)
>> Z[position] - Z Position(float 0.00-MAX HEIGHT)
>> F[percent] - Feedrate (int 0-100)
rmove_to :: Moves endpoint of CNC to XYZ position at full speed.
>> X[position] - X Position(float 0.00-MAX DEPTH)
>> Y[position] - Y Position(float 0.00-MAX WIDTH)
>> Z[position] - Z Position(float 0.00-MAX HEIGHT)
where :: Returns X, Y, Z position and current feedrate.
home :: Sends the endpoint home.
>> F[percent] - Feedrate(int 0-100)
units :: Sets the units.
>> mm - Millimeters
>> inch - Inches
absolute :: Absolute positioning, relative to home position.
relative :: Relatvie positioning, relative to current position.
''')
# Prints the current version
elif (command[0] == "version"):
print("Version %.1f" % (VERSION))
# Runs G-Code of given file.
elif (command[0] == "run_gcode"):
if (len(command) != 2):
print ("ERROR :: Missing file name")
continue
file_name = command[1]
try:
gcode_file = open(file_name,"r")
except:
print ("ERROR :: Couldn not open %s." % (file_name))
for i, _ in enumerate(gcode_file):
pass
i+=1
gcode_file.seek(0, 0)
try:
for index, line in enumerate(gcode_file):
Serial.write(line+'\n')
done = (float(index)/(i))*100
stdout.write("File read percentage: %.2f%% \r"% (done))
stdout.flush()
if (index < i-1):
while(Serial.readline() != "ready\r\n"):
pass
print("File read percentage :: 100.00% <<SUCCESS>>\r")
except:
print("File read percentage :: %.2f%% <<FAIL>>\r"% (done))
print("Closing file :: %s" % (file_name))
gcode_file.close()
# Linear to given X Y Z location at F feedrate.
elif (command[0] == "move_to"):
cmd = command[1:]
Serial.write("G01 " + ' '.join(cmd))
# Rapid linear move to given X Y Z location.
elif (command[0] == "rmove_to"):
cmd = command[1:]
Serial.write("G00 " + ' '.join(cmd))
# Prints where the endpoint in located.
elif (command[0] == "where"):
Serial.write("M114")
print (Serial.readline())
# Sends the endpoint to the home position
elif (command[0] == "home"):
feed = command[1:]
Serial.write("G28 " + ''.join(feed))
# Sets units to either mm or inches
elif (command[0] == "set_units"):
units = command[1]
units = units.replace(" ","")
if (units == "mm"):
Serial.write("G21")
elif (units == "inch"):
Serial.write("G00")
else:
print("ERROR :: Incorrect input parameter")
print("ERROR :: Possible inputs are")
print(" >> mm")
print(" >> inch")
# Sets coordinates to absolute (relative to origin)
elif (command[0] == "absolute"):
Serial.write("G90")
# Sets coordinates to absolute (relative to current position)
elif (command[0] == "relative"):
Serial.write("G91")
def init_uart(self):
uart.setup("UART4")
self.port = ser(port="/dev/ttyO4", baudrate=57600, timeout=1)