# Import standard Python time library. import time # Import GPIO and FT232H modules. import Adafruit_GPIO as GPIO import Adafruit_GPIO.FT232H as FT232H # Temporarily disable the built-in FTDI serial driver on Mac & Linux platforms. FT232H.use_FT232H() # Create an FT232H object that grabs the first available FT232H device found. ft232h = FT232H.FT232H() # Configure digital inputs and outputs using the setup function. # Note that pin numbers 0 to 15 map to pins D0 to D7 then C0 to C7 on the board. ft232h.setup(7, GPIO.IN) # Make pin D7 a digital input. ft232h.setup(8, GPIO.OUT) # Make pin C0 a digital output. # Loop turning the LED on and off and reading the input state. print 'Press Ctrl-C to quit.' while True: # Set pin C0 to a high level so the LED turns on. #ft232h.output(8, GPIO.HIGH) # Sleep for 1 second. #time.sleep(1) # Set pin C0 to a low level so the LED turns off. #ft232h.output(8, GPIO.LOW) # Sleep for 1 second. #time.sleep(1) # Read the input on pin D7 and print out if it's high or low.
def __init__(self):
"""
Implements the Borg pattern which provides shared state among multiple objects
"""
self.__dict__ = self.__shared_state
try:
# Temporarily disable the built-in FTDI serial driver on Mac & Linux platforms.
FT232H.use_FT232H()
except RuntimeError as rte:
raise UsbToGpioError(rte)
try:
# Create an FT232H object that grabs the first available FT232H device found.
self._ft232h = FT232H.FT232H()
except RuntimeError as rte:
raise UsbToGpioError(rte)
# Create the I2C ADC devices
try:
# Create an I2C device at address ADS7828_ADDR_0
self.ADCDevices.AddDevice(ADS7828(self._ft232h, self.__ADS7828_ADDR_0))
except RuntimeError as rte:
raise UsbToGpioError(rte)
try:
# Create an I2C device at address ADS7828_ADDR_1
self.ADCDevices.AddDevice(ADS7828(self._ft232h, self.__ADS7828_ADDR_1))
except RuntimeError as rte:
raise UsbToGpioError(rte)
def init_adafruit_ft232h():
# Apply or remove the reset from the SPIROM daughterboard
# via a GPIO on the AdaFruit FT232H SPI/I2C/UART/GPIO breakout board.
global ft232h, adafruit_initialized
if not adafruit_initialized:
# Temporarily disable the built-in FTDI serial driver on Mac & Linux
# platforms.
FT232H.use_FT232H()
# Create an FT232H object that grabs the first available FT232H device
# found.
ft232h = FT232H.FT232H()
# The daughterboard reset line has a pull-up to 3v3. The "operate"
# position of switch DW1.4 is "ON" which shorts it to ground (i.e.,
# "Run" = Low, "Reset" = high). Even though the FT232H can nominally
# drive the IO to 3v3, it would be better to instead simply tristate
# the IO and let the pull-up do the work.
# For initialization, we'll drive it low.
ft232h.setup(SPIROM_RESET_GPIO, GPIO.OUT)
ft232h.output(SPIROM_RESET_GPIO, GPIO.LOW)
# Note that we're now initialized
adafruit_initialized = True
def __init__(self, connection, baud, queue, debug=False):
self.debug = debug
self.eventQueue = queue
self.eventQueue.addEventCallback(self.__roof_scan,EventHandler.SCAN_BORDER_FINISHED)
print "Initializing vehicle"
self.vehicle = connect(connection, baud=baud, wait_ready=True)
self.vehicle.airspeed = self.flying_velocity
self.vehicle.add_attribute_listener('battery', self.__battery_callback)
print "Initializing lidar"
FT232H.use_FT232H()
self.ft232h = FT232H.FT232H()
self.bus = FT232H.I2CDevice(self.ft232h, lidar.Lidar.DEF_ADDR)
self.lidar = lidar.Lidar(self.bus)
if not debug:
print "Initializing bluetooth"
self.blue = blue.Blue(self.eventQueue)
else:
print "Debug Mode On, No Bluetooth Running"
self.blue = blue.Blue(self.eventQueue, debug)
self.ft232h.setup(self.motor_pin, GPIO.OUT)
self.ft232h.output(self.motor_pin, GPIO.LOW)
def main():
log_to_stdout()
FT232H.use_FT232H()
ft232h = FT232H.FT232H()
# Create a SPI interface from the FT232H using pin 8 (C0) as chip select.
# Use a clock speed of 3mhz, SPI mode 0, and most significant bit first.
spi = FT232H.SPI(ft232h, cs=8, max_speed_hz=3000000, mode=0, bitorder=FT232H.MSBFIRST)
radio = LoRa(spi=spi, verbose=False)
radio.set_freq(915)
print radio
a = raw_input("Transmit [T], Ping [P] or Receive [R]? ")
if a == "P":
try:
while True:
msg = "Ping: " + time.asctime()
print msg
transmit(radio, msg)
time.sleep(1)
except KeyboardInterrupt:
pass
elif a == "T":
try:
while True:
msg = raw_input("Message:")
transmit(radio, msg=msg)
except KeyboardInterrupt:
pass
elif a == "R":
receive_loop(radio)
else:
print "Unknown command:", a
# Import standard Python time library.
import time
import subprocess
# Import GPIO and FT232H modules.
import Adafruit_GPIO as GPIO
import Adafruit_GPIO.FT232H as FT232H
# Temporarily disable the built-in FTDI serial driver on Mac & Linux platforms.
FT232H.use_FT232H()
#subprocess.call('sudo kextunload -b com.apple.driver.AppleUSBFTDI', shell=True)
#subprocess.call('sudo kextunload /System/Library/Extensions/FTDIUSBSerialDriver.kext', shell=True)
#subprocess.call('kextunload -bundle-id com.FTDI.driver.FTDIUSBSerialDriver', shell=True)
#subprocess.call('kextunload /System/Library/Extensions/FTDIUSBSerialDriver.kext', shell=True)
# Create an FT232H object that grabs the first available FT232H device found.
ft232h = FT232H.FT232H()
# Configure digital inputs and outputs using the setup function.
# Note that pin numbers 0 to 15 map to pins D0 to D7 then C0 to C7 on the board.
ft232h.setup(2, GPIO.IN) # Make pin D7 a digital input.
ft232h.setup(8, GPIO.OUT) # Make pin C0 a digital output.
ft232h.setup(9, GPIO.OUT) # Make pin C0 a digital output.
ft232h.setup(10, GPIO.OUT) # Make pin C0 a digital output.
ft232h.setup(11, GPIO.OUT) # Make pin C0 a digital output.
ft232h.setup(12, GPIO.OUT) # Make pin C0 a digital output.
# Loop turning the LED on and off and reading the input state.
print 'Press Ctrl-C to quit.'
while True:
# Set pin C0 to a high level so the LED turns on.
def use_FT4232H():
FT232H.use_FT232H()
