def __init__(self):
for myport in comports():
if myport.vid == VID_CP210X:
self.hdr = Serial(port=myport.name, baudrate=115200, timeout=1)
log.info('connected to %s', myport.name)
break
else:
raise Exception('COM port not found')
def updateSpeed(self, mmpm):
mmps = mmpm / 60
log.info(mmps)
if mmps < setting.get('speed').get('min'):
self.cur_speed = setting.get('speed').get('min')
elif mmps > setting.get('speed').get('max'):
self.cur_speed = setting.get('speed').get('max')
else:
self.cur_speed = mmps
log.info('updated speed: %d', self.cur_speed)
def exeGcode(self, gcodePath):
""" To execute gcode command in the gcodePath file
line by line """
try:
with open(gcodePath, 'r') as gcodeHdr:
#--- whole logic inside ---
line_num = 0
for line in gcodeHdr:
# loop through line in file
line_num += 1
# strip out space, \n characters
line = line.strip()
if not line or line.startswith('#'):
# ignore on empty or comment lines
continue
log.info(str(line_num) + ' ' + line)
gc_box = gcode_parse(line)
# update speed if F is available
if 'F' in gc_box:
self.updateSpeed(gc_box.get('F'))
gc_cmd = gc_box.get('cmd')
if gc_cmd == 'G0':
pass
elif gc_cmd == 'G1':
pass
elif gc_cmd == 'G2':
pass
elif gc_cmd == 'G3':
pass
elif gc_cmd == 'G90':
self.is_absolute = True
elif gc_cmd == 'G91':
self.is_absolute = False
elif gc_cmd == 'M03':
pass
elif gc_cmd == 'M05':
pass
except Exception as e:
log.error(e)
finally:
log.info('execute gcode terminated')
def app():
initLog("./output/")
intro()
args = sys.argv[1:]
if len(args) == 0:
log.error('no command')
else:
d = draw()
createUart()
command, args = args[0], args[1:]
if command == 'help':
showHelp()
elif command == 'gcode':
try:
d.exeGcode(args[0])
except:
log.error('gcode: missing file path')
elif command == 'test':
com.send('abcd')
else:
log.info("unknown command!")
def showHelp():
log.info("cmd: Description")
def intro():
log.info(" ------------------------------------ ")
log.info(" -------------- PYDRAW -------------- ")
log.info(" ------------------------------------ ")
def loadSetting(jsonPath):
global setting
with open(jsonPath, 'r') as js:
setting = json.load(js)
log.info('Drawing setting %s', setting)
def showProperties(self):
log.info('cur_x %f cur_y %f cur_speed %f', self.cur_x, self.cur_y,
self.cur_speed)