Python busio.UART Examples

The following are 2 code examples of busio.UART(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module busio , or try the search function .
Example #1
Source File: kmk_keyboard.py    From kmk_firmware with GNU General Public License v3.0 5 votes vote down vote up 
def init_uart(self, pin, timeout=20):
        if self.is_master:
            return busio.UART(tx=None, rx=pin, timeout=timeout)
        else:
            return busio.UART(tx=pin, rx=None, timeout=timeout)
Example #2
Source File: uart.py    From Adafruit_Blinka with MIT License 5 votes vote down vote up 
def test_read_value(self):
        import adafruit_blinka

        adafruit_blinka.patch_system()  # needed before adafruit_gps imports time

        import microcontroller.pin

        gc.collect()
        import busio

        gc.collect()
        import adafruit_gps

        gc.collect()

        # configure the last available UART (first uart often for REPL)
        uartId, uartTx, uartRx = microcontroller.pin.uartPorts[0]
        uart = busio.UART(uartTx, uartRx, baudrate=9600, timeout=3000)

        gps = adafruit_gps.GPS(uart)

        gps.send_command("PMTK314,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0")
        gps.send_command("PMTK220,1000")

        def try_fix():
            gps.update()
            return gps.has_fix

        await_true("GPS fix", try_fix)

        self.assertTrue(gps.satellites is not None)
        self.assertTrue(-90 <= gps.latitude < 90)
        self.assertTrue(-180 <= gps.longitude < 180)