added functionality to python file

This commit is contained in:
Alexander Richter 2022-11-25 22:05:54 +01:00
parent 6971d0a677
commit c7240921ed

146
arduino.py Normal file → Executable file
View File

@ -1,6 +1,5 @@
#!/usr/bin/python3.9
import serial, time, hal
import serial, time, hal, asyncio
# LinuxCNC_ArduinoConnector
# By Alexander Richter, info@theartoftinkering.com 2022
@ -63,53 +62,63 @@ PwmOutPinmap = [13,11]
# Set how many Analog Inputs you have programmed in Arduino and which pins are Analog Inputs
AInputs = 1
AInPinmap = [94]
AInPinmap = [1]
# Set how many Latching Analog Inputs you have programmed in Arduino and how many latches there are
LPoti = 2
LPotiLatches = [9,4]
LPotiLatches = [[2,9],
[3,4]]
# Set if you have an Absolute Encoder Knob and how many positions it has (only one supported, as i don't think they are very common and propably nobody uses these anyway)
AbsKnob = 1
AbsKnobPos = 31
AbsKnobPos = 32
Debug = 0
######## End of Config! ########
######## SetUp of HalPins ########
# setup Input halpins
for port in range(Inputs):
c.newpin("dIn-%02d" % InPinmap[port], hal.HAL_BIT, hal.HAL_IN)
c.newparam("dIn-%02d-invert" % InPinmap[port], hal.HAL_BIT, hal.HAL_RW)
c.newpin("dIn.{}".format(InPinmap[port]), hal.HAL_BIT, hal.HAL_OUT)
c.newparam("dIn.{}-invert".format(InPinmap[port]), hal.HAL_BIT, hal.HAL_RW)
# setup Output halpins
for port in range(Outputs):
c.newpin("dOut-%02d" % OutPinmap[port], hal.HAL_BIT, hal.HAL_OUT)
c.newpin("dOut.{}".format(OutPinmap[port]), hal.HAL_BIT, hal.HAL_IN)
# setup Pwm Output halpins
for port in range(PwmOutputs):
c.newpin("PwmOut-%02d" % PwmOutPinmap[port], hal.HAL_FLOAT, hal.HAL_OUT)
c.newpin("PwmOut.{}".format(PwmOutPinmap[port]), hal.HAL_FLOAT, hal.HAL_IN)
# setup Analog Input halpins
for port in range(AInputs):
c.newpin("aIn-%02d" % AInPinmap[port], hal.HAL_FLOAT, hal.HAL_IN)
c.newpin("aIn.{}".format(AInPinmap[port]), hal.HAL_FLOAT, hal.HAL_OUT)
# setup Latching Poti halpins
for latches in range(LPoti):
for port in range(LPotiLatches[latches]):
c.newpin("LPoti-%02d" % [port], hal.HAL_BIT, hal.HAL_IN)
for Poti in range(LPoti):
for Pin in range(LPotiLatches[Poti][1]):
c.newpin("LPoti.{}.{}" .format(LPotiLatches[Poti][0],Pin), hal.HAL_BIT, hal.HAL_OUT)
# setup Absolute Encoder Knob halpins
if AbsKnob:
for port in range(AbsKnobPos):
c.newpin("AbsKnobPos-%02d" % [port], hal.HAL_BIT, hal.HAL_IN)
c.newpin("AbsKnob.{}".format(port), hal.HAL_BIT, hal.HAL_OUT)
c.ready()
#setup Serial connection
arduino = serial.Serial(connection, 115200, timeout=1, xonxoff=False, rtscts=False, dsrdtr=True)
######## GlobalVariables ########
firstcom = 0
event = time.time()
timeout = 9 #send something after max 9 seconds
######## Functions ########
def keepAlive(event):
return event + timeout < time.time()
def readinput(input_str):
for i in range(50):
@ -130,42 +139,95 @@ def extract_nbr(input_str):
out_number += ele
return int(out_number)
def sendData():
for port in range(PwmOutputs):
#Outcommand = b"P{}:{}\n".format(PwmOutPinmap[port],c["PwmOut.{}".format(PwmOutPinmap[port])])
#arduino.write(Outcommand)
Sig = 'O'
Pin = PwmOutPinmap[port]
#State = int(c["PwmOut.{}".format(PwmOutPinmap[port])])
State = 1
arduino.write(b'O')
arduino.write(Pin)
arduino.write(b":")
arduino.write(State)
arduino.write(b"\n")
event = time.time() #reset timeout timer
if (Debug):print ("Sending:{}{}:{}".format(Sig,Pin,State))
######## Detect Serial connection and blink Status LED if connection lost -todo ########
#try:
arduino = serial.Serial(connection, 9600, timeout=1, xonxoff=False, rtscts=False, dsrdtr=True)
while True:
try:
data = arduino.readline().decode('utf-8')
# I127:1
if (Debug):print ("I received:{}".format(data))
data = data.split(":",1)
#[I127]["1"]
if len(data) == 2:
try:
cmd = data[0][0]
io = extract_nbr(data[0])
value = extract_nbr(data[1])
data[1] = extract_nbr(data[1])
if data[1]<0: data[1] = 0
if cmd == "":
if (Debug):print ("No Command!:{}.".format(cmd))
if data[0] == "I":
c.dIn = data[1]
elif data[0] == "A":
c.aIn = data[1]
elif data[0] == "L":
pass
elif data[0] == "K":
c.AbsKnob = data[1]
elif data[0] == "E":
arduino.printline("E:")
else: pass
else:
if not data[0][1]:
io = 0
else:
io = extract_nbr(data[0])
value = extract_nbr(data[1])
if value<0: value = 0
finally:
pass
if cmd == "I":
if value == 1:
c["dIn.{}".format(io)] = 1
c["dIn.{}-invert".format(io)] = 0
if(Debug):print("dIn{}:{}".format(io,1))
if value == 0:
c["dIn.{}".format(io)] = 0
c["dIn.{}-invert".format(io)] = 1
if(Debug):print("dIn{}:{}".format(io,0))
else:pass
elif cmd == "A":
c["aIn.{}".format(io)] = value
if (Debug):print("aIn.{}:{}".format(io,value))
elif cmd == "L":
if port == value:
c["AbsKnob.{}".format(port)] = 1
if(Debug):print("AbsKnob.{}:{}".format(port,1))
else:
c["AbsKnob.{}".format(port)] = 0
if(Debug):print("AbsKnob.{}:{}".format(port,0))
elif cmd == "K":
for port in range(AbsKnobPos):
if port == value:
c["AbsKnob.{}".format(port)] = 1
if(Debug):print("AbsKnob.{}:{}".format(port,1))
else:
c["AbsKnob.{}".format(port)] = 0
if(Debug):print("AbsKnob.{}:{}".format(port,0))
elif cmd == 'E':
arduino.write(b"E:\n")
firstcom = 1
if (Debug):print("Sending E:")
else: pass
except: pass
except KeyboardInterrupt:
if (Debug):print ("Keyboard Interrupted.. BYE")
exit()
except:
if (Debug):print ("I received garbage")
arduino.flush()
#sendData()
if keepAlive(event):
arduino.write(b"E:\n")
if (Debug):print("keepAlive")
event = time.time()