111 lines
2.8 KiB
Python
111 lines
2.8 KiB
Python
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#!/usr/bin/python3.9
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# HAL userspace component to interface with Arduino board
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# Copyright (C) 2007 Jeff Epler <jepler@unpythonic.net>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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import serial, time, hal
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Inputs = 17
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InPinmap = [32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48]
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# Name, positions
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AnalogKnob = [""]
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OutPinmap = [32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48]
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c = hal.component("arduino")
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c.newpin("SpOd", hal.HAL_FLOAT, hal.HAL_IN) #8 Pos latching poti
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c.newpin("FdRes", hal.HAL_FLOAT, hal.HAL_IN) #4 pos latching poti
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c.newpin("AK", hal.HAL_FLOAT, hal.HAL_IN) #absolute Encoder Knob
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c.newpin("SpSp", hal.HAL_FLOAT, hal.HAL_IN) #potentiometer
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#c.newpin("analog-in-%02d" % port, hal.HAL_FLOAT, hal.HAL_OUT)
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#c.newparam("analog-in-%02d-offset" % port, hal.HAL_FLOAT, hal.HAL_RW)
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#c.newparam("analog-in-%02d-gain" % port, hal.HAL_FLOAT, hal.HAL_RW)
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for port in range(Inputs):
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c.newpin("digital-in-%02d" % InPinmap[port], hal.HAL_BIT, hal.HAL_IN)
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c.newparam("digital-in-%02d-invert" % InPinmap[port], hal.HAL_BIT, hal.HAL_RW)
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c.ready()
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def readinput(input_str):
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for i in range(50):
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if input_str:
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string = input_str.decode() # convert the byte string to a unicode string
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print (string)
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num = int(string) # convert the unicode string to an int
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return num
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def extract_nbr(input_str):
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if input_str is None or input_str == '':
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return 0
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out_number = ''
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for ele in input_str:
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if ele.isdigit():
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out_number += ele
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return int(out_number)
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#try:
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arduino = serial.Serial('/dev/ttyACM0', 9600, timeout=1, xonxoff=False, rtscts=False, dsrdtr=True)
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while True:
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try:
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data = arduino.readline().decode('utf-8')
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data = data.split(":",1)
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if len(data) == 2:
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data[1] = extract_nbr(data[1])
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if data[1]<0: data[1] = 0
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if data[0] == "Pt57":
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c.SpSp = data[1]
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elif data[0] == "LP55":
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c.SpOd = data[1]
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elif data[0] == "LP56":
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c.FdRes = data[1]
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elif data[0] == "AK":
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c.AK = data[1]
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else: pass
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finally:
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pass
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"""except :
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print("Lost Connection")
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finally :
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# serial.close
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print("Program closed")
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"""
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