def scan(self):
usb_device_list = usb.get_usb_device_list()
res = []
self.usb_device_name_list = [device.getDeviceName() for device in usb_device_list]
usb_device_dict = {
device.getDeviceName():[ # Device name
device.getVendorId(), # Vendor ID
device.getManufacturerName(), # Manufacturer name
device.getProductId(), # Product ID
device.getProductName() # Product name
] for device in usb_device_list
}
res = self.usb_device_name_list
print(res)
self.scanned.set()
return res
def list_arduino_ports():
"""list serial ports where an arduino is connected"""
arduino_list = []
if platform == 'android':
usb_device_list = usb.get_usb_device_list()
for device in usb_device_list:
if device.getVendorId(
) == 9025: # 9025 is the vid of 'Arduino LLC'
arduino_list.append((device.getDeviceName(), device))
if platform in ['win', 'linux']:
l = list_ports.comports()
for item in l:
if item.vid == 9025: # 9025 is the vid of 'Arduino LLC'
arduino_list.append(item.device)
Logger.debug("Serial: Arduino found {}".format(str(arduino_list)))
return 115200, '\n', arduino_list # return baudrate and list
def on_btn_scan_release(self):
self.uiDict['box_list'].clear_widgets()
self.device_name_list = []
if platform == 'android':
usb_device_list = usb.get_usb_device_list()
self.device_name_list = [
device.getDeviceName() for device in usb_device_list
]
else:
usb_device_list = list_ports.comports()
self.device_name_list = [port.device for port in usb_device_list]
for device_name in self.device_name_list:
btnText = device_name
button = Button(text=btnText, size_hint_y=None, height='100dp')
button.bind(on_release=self.on_btn_device_release)
self.uiDict['box_list'].add_widget(button)
def _find_device_port(self):
"""Look in the list of serial ports, one that corresponds to CH340 or XXX
that Arduino boards typically use.
:return: True when success.
:rtype: bool
"""
if OS_ANDROID:
ports = usb.get_usb_device_list()
port = ports[0].getDeviceName()
return port
else:
ports = serial.tools.list_ports.comports()
for port in ports:
if ("VID:PID=1A86:7523" in port.hwid) or ("VID:PID=2341:0043"
in port.hwid):
return port.device
return ""
def scan_usb_devices(self, dt):
self.ids.device_list.clearAll()
device_node_list = []
r = lambda x: x if x is not None else ''
if platform == 'android':
usb_device_list = usb.get_usb_device_list()
device_node_list = [(device.getDeviceName(),
r(device.getProductName()) + "(vid=" +
str(device.getVendorId()) + ",pid=" +
str(device.getProductId()) + ")")
for device in usb_device_list]
else:
usb_device_list = list_ports.comports()
device_node_list = [
(device.device, r(device.product) + "(vid=" + str(device.vid) +
",pid=" + str(device.pid) + ")") for device in usb_device_list
]
if len(device_node_list) > 0:
for device in device_node_list:
self.ids.device_list.append_item(device)
Clock.schedule_once(self.set_first_item_as_default, 1 / 10)
# When this script is run for the first time, it might prompt you for
# permission. Accept the permission and run this script again, then it should
# send the data as expected.
# Kivy is needed for pyjnius behind the scene.
import kivy
from usb4a import usb
from usbserial4a import serial4a
from pprint import pprint
usb_device_list = usb.get_usb_device_list()
usb_device_name_list = [device.getDeviceName() for device in usb_device_list]
usb_device_dict = {
device.getDeviceName(): [ # Device name
device.getVendorId(), # Vendor ID
device.getManufacturerName(), # Manufacturer name
device.getProductId(), # Product ID
device.getProductName() # Product name
]
for device in usb_device_list
}
pprint(usb_device_dict)
if usb_device_list:
serial_port = serial4a.get_serial_port(
usb_device_list[0].getDeviceName(),
9600, # Baudrate
8, # Number of data bits(5, 6, 7 or 8)
'N', # Parity('N', 'E', 'O', 'M' or 'S')
1) # Number of stop bits(1, 1.5 or 2)
if serial_port and serial_port.is_open:
def get_serial_ports_list():
usb_device_list = usb.get_usb_device_list()
return [device.getDeviceName() for device in usb_device_list]
def get_usb_devices(self):
try:
self.usb_device = usb.get_usb_device_list()[0]
except NameError:
print("Device not found!")
def get_usb_devices(self):
self.usb_device = usb.get_usb_device_list()[0]