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Conditionalized sensor publisher on rate != 0

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This commit is contained in:
Patrick Goebel 2016-01-09 08:26:30 -08:00
parent fb24de4223
commit fc3a4509fe
1 changed files with 45 additions and 26 deletions
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71
ros_arduino_python/src/ros_arduino_python/arduino_sensors.py
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@ -90,14 +90,15 @@ class AnalogSensor(Sensor):
self.msg.header.frame_id = self.frame_id
# Create the publisher
self.pub = rospy.Publisher("~sensor/" + self.name, Analog, queue_size=5)
if self.rate != 0:
self.pub = rospy.Publisher("~sensor/" + self.name, Analog, queue_size=5)
if self.direction == "output":
self.device.pin_mode(self.pin, OUTPUT)
self.device.analog_pin_mode(self.pin, OUTPUT)
# Create the write service
rospy.Service('~' + self.name + '/write', AnalogSensorWrite, self.sensor_write_handler)
else:
self.device.pin_mode(self.pin, INPUT)
self.device.analog_pin_mode(self.pin, INPUT)
# Create the read service
rospy.Service('~' + self.name + '/read', AnalogSensorRead, self.sensor_read_handler)
@ -110,11 +111,12 @@ class AnalogSensor(Sensor):
return self.device.analog_write(self.pin, value)
def sensor_read_handler(self, req=None):
value = self.read_value()
return AnalogSensorReadResponse(value)
self.value = self.read_value()
return AnalogSensorReadResponse(self.value)
def sensor_write_handler(self, req):
self.write_value(req.value)
self.value = req.value
return AnalogSensorWriteResponse()
class AnalogFloatSensor(Sensor):
@ -127,14 +129,15 @@ class AnalogFloatSensor(Sensor):
self.msg.header.frame_id = self.frame_id
# Create the publisher
self.pub = rospy.Publisher("~sensor/" + self.name, AnalogFloat, queue_size=5)
if self.rate != 0:
self.pub = rospy.Publisher("~sensor/" + self.name, AnalogFloat, queue_size=5)
if self.direction == "output":
self.device.pin_mode(self.pin, OUTPUT)
self.device.analog_pin_mode(self.pin, OUTPUT)
# Create the write service
rospy.Service('~' + self.name + '/write', AnalogFloatSensorWrite, self.sensor_write_handler)
else:
self.device.pin_mode(self.pin, INPUT)
self.device.analog_pin_mode(self.pin, INPUT)
# Create the read service
rospy.Service('~' + self.name + '/read', AnalogFloatSensorRead, self.sensor_read_handler)
@ -147,11 +150,12 @@ class AnalogFloatSensor(Sensor):
return self.device.analog_write(self.pin, value)
def sensor_read_handler(self, req=None):
value = self.read_value()
return AnalogFloatSensorReadResponse(value)
self.value = self.read_value()
return AnalogFloatSensorReadResponse(self.value)
def sensor_write_handler(self, req):
self.write_value(req.value)
self.value = req.value
return AnalogFloatSensorWriteResponse()
class DigitalSensor(Sensor):
@ -163,34 +167,44 @@ class DigitalSensor(Sensor):
self.msg = Digital()
self.msg.header.frame_id = self.frame_id
# Create the publisher
self.pub = rospy.Publisher("~sensor/" + self.name, Digital, queue_size=5)
# Create the publisher
if self.rate != 0:
self.pub = rospy.Publisher("~sensor/" + self.name, Digital, queue_size=5)
# Get the initial state
self.value = self.read_value()
if self.direction == "output":
self.device.pin_mode(self.pin, OUTPUT)
self.device.digital_pin_mode(self.pin, OUTPUT)
# Create the write service
rospy.Service('~' + self.name + '/write', DigitalSensorWrite, self.sensor_write_handler)
else:
self.device.pin_mode(self.pin, INPUT)
# Create the read service
rospy.Service('~' + self.name + '/read', DigitalSensorRead, self.sensor_read_handler)
self.device.digital_pin_mode(self.pin, INPUT)
# Create the read service
rospy.Service('~' + self.name + '/read', DigitalSensorRead, self.sensor_read_handler)
self.value = LOW
def read_value(self):
return self.device.digital_read(self.pin)
def write_value(self):
# Alternate HIGH/LOW when writing at a fixed rate
self.value = not self.value
def write_value(self, value=None):
# Alternate HIGH/LOW when publishing at a fixed rate
if self.rate != 0:
self.value = not self.value
else:
self.value = value
return self.device.digital_write(self.pin, self.value)
def sensor_read_handler(self, req=None):
value = self.read_value()
return DigitalSensorReadResponse(value)
self.value = self.read_value()
return DigitalSensorReadResponse(self.value)
def sensor_write_handler(self, req):
self.write_value(req.value)
self.value = req.value
return DigitalSensorWriteResponse()
class RangeSensor(Sensor):
@ -202,11 +216,16 @@ class RangeSensor(Sensor):
self.msg = Range()
self.msg.header.frame_id = self.frame_id
# Create the publisher
self.pub = rospy.Publisher("~sensor/" + self.name, Range, queue_size=5)
# Create the publisher
if self.rate != 0:
self.pub = rospy.Publisher("~sensor/" + self.name, Range, queue_size=5)
def read_value(self):
self.msg.header.stamp = rospy.Time.now()
# Create the read service
rospy.Service('~' + self.name + '/read', AnalogFloatSensorRead, self.sensor_read_handler)
def sensor_read_handler(self, req=None):
self.value = self.read_value()
return AnalogFloatSensorReadResponse(self.value)
class SonarSensor(RangeSensor):
def __init__(self, *args, **kwargs):