def configure_devices(self, debug=False):
""" Configures i2c devices when running in appropriate environment. """
# only configure devices for Linux
if not(platform.system() == "Linux"):
logging.info("CFG:\tNot running on Linux distro. Not configuring i2c or other devices.")
self.set_dummy_devices()
return
# although i2c may work if in correct user group, GPIO needs confirming.
# for now, clearer just to object if not running as root (sudo)
#if not(os.getuid() == 0):
# logging.info("Not running on as root. Not configuring i2c or other devices.")
# self.set_dummy_devices()
# return
# running as root on linux so can scan for devices and configure them
# although inline imports normally not encouraged
# enables me to load dependencies only when I know I can (eg linux, i2c, root, etc...)
import raspberrypi
# i2c devices
try:
logging.info("CFG:\tConfiguring i2c devices...")
# scan for connected devices
i2c_addresses = self.scan_i2c(debug=debug)
# lookup available device drivers by address
for addr, in_use in i2c_addresses:
device_name, device_driver = self.lookup(addr, debug=debug)
self._devices.append([addr, device_name, device_driver, in_use])
except Exception as ex:
logging.exception("CFG:\tError scanning i2c devices - %s" % ex)
# if no GPS (eg i2c) set up, then import a serial one. Should check for device present first.
if not(self.gps_sensor):
try:
from sensor.GPS_serial import GPS_AdafruitSensor
self.gps_sensor = GPS_AdafruitSensor(serial_bus=raspberrypi.serial_bus(), debug=debug)
except Exception as ex:
logging.warning("CFG:\tError setting up GPS over serial - %s" % ex)
# CameraController (over USB)
# TODO: look at different controller, eg m-jpeg stream over local connection, start script from here
try:
from sensor.camera import CameraController
self.camera_controller = CameraController(self, debug=debug)
except Exception as ex:
logging.info("CFG:\tCamera support unavailable - %s" % ex)
self.camera_controller = DummyCameraController(self.resources_folder())
# any remaining dummy devices
if not(self.drive_controller):
self.drive_controller = DummyDriveController()
def configure_devices(self, debug=False):
""" Configures i2c devices when running in appropriate environment. """
# only configure devices for Linux
if not (platform.system() == "Linux"):
logging.info(
"CFG:\tNot running on Linux distro. Not configuring i2c or other devices."
)
self.set_dummy_devices()
return
# although i2c may work if in correct user group, GPIO needs confirming.
# for now, clearer just to object if not running as root (sudo)
#if not(os.getuid() == 0):
# logging.info("Not running on as root. Not configuring i2c or other devices.")
# self.set_dummy_devices()
# return
# running as root on linux so can scan for devices and configure them
# although inline imports normally not encouraged
# enables me to load dependencies only when I know I can (eg linux, i2c, root, etc...)
import raspberrypi
# i2c devices
try:
logging.info("CFG:\tConfiguring i2c devices...")
# scan for connected devices
i2c_addresses = self.scan_i2c(debug=debug)
# lookup available device drivers by address
for addr, in_use in i2c_addresses:
device_name, device_driver = self.lookup(addr, debug=debug)
self._devices.append(
[addr, device_name, device_driver, in_use])
except Exception as ex:
logging.exception("CFG:\tError scanning i2c devices - %s" % ex)
# if no GPS (eg i2c) set up, then import a serial one. Should check for device present first.
if not (self.gps_sensor):
try:
from sensor.GPS_serial import GPS_AdafruitSensor
self.gps_sensor = GPS_AdafruitSensor(
serial_bus=raspberrypi.serial_bus(), debug=debug)
except Exception as ex:
logging.warning("CFG:\tError setting up GPS over serial - %s" %
ex)
# CameraController (over USB)
# TODO: look at different controller, eg m-jpeg stream over local connection, start script from here
try:
from sensor.camera import CameraController
self.camera_controller = CameraController(self, debug=debug)
except Exception as ex:
logging.info("CFG:\tCamera support unavailable - %s" % ex)
self.camera_controller = DummyCameraController(
self.resources_folder())
# any remaining dummy devices
if not (self.drive_controller):
self.drive_controller = DummyDriveController()
# FishPi - An autonomous drop in the ocean
#
# Simple test of GPS sensor
#
import raspberrypi
from time import sleep
from GPS_serial import GPS_AdafruitSensor
if __name__ == "__main__":
print "Testing GPS sensor (running 5x with 5s pause)..."
print "Initialising..."
gps_sensor = GPS_AdafruitSensor(debug=True, serial_bus='/dev/ttyUSB0')
print raspberrypi.serial_bus()
# heading
print "Reading 1..."
(fix, lat, lon, heading, speed, altitude, num_sat, timestamp, datestamp) = gps_sensor.read_sensor()
print fix, lat, lon, heading, speed, altitude, num_sat, timestamp, datestamp
sleep(5)
print "Reading 2..."
(fix, lat, lon, heading, speed, altitude, num_sat, timestamp, datestamp) = gps_sensor.read_sensor()
print fix, lat, lon, heading, speed, altitude, num_sat, timestamp, datestamp
sleep(5)
print "Reading 3..."
(fix, lat, lon, heading, speed, altitude, num_sat, timestamp, datestamp) = gps_sensor.read_sensor()
print fix, lat, lon, heading, speed, altitude, num_sat, timestamp, datestamp
# FishPi - An autonomous drop in the ocean
#
# Simple test of GPS sensor
#
import raspberrypi
from time import sleep
from GPS_serial import GPS_AdafruitSensor
if __name__ == "__main__":
print "Testing GPS sensor (running 5x with 5s pause)..."
print "Initialising..."
gps_sensor = GPS_AdafruitSensor(debug=True, interface='/dev/ttyUSB0')
print raspberrypi.serial_bus()
# heading
print "Reading 1..."
(fix, lat, lon, heading, speed, altitude, num_sat, timestamp,
datestamp) = gps_sensor.read_sensor()
print fix, lat, lon, heading, speed, altitude, num_sat, timestamp, datestamp
sleep(5)
print "Reading 2..."
(fix, lat, lon, heading, speed, altitude, num_sat, timestamp,
datestamp) = gps_sensor.read_sensor()
print fix, lat, lon, heading, speed, altitude, num_sat, timestamp, datestamp
sleep(5)
print "Reading 3..."
