c749402003
PocketBeagle pins with UART pin mode: P1_30 uart0_txd P1_32 uart0_rxd P2_11 uart1_rxd P2_09 uart1_txd P1_08 uart2_rxd P1_10 uart2_txd P2_29 uart3_txd Available UART names on PocketBeagle: PB-UART0: /dev/ttyO0, Rx: P1_30, Tx: P1_32 PB-UART1: /dev/ttyO1, Rx: P2_11, Tx: P2_09 PB-UART2: /dev/ttyO2, Rx: P1_08, Tx: P1_10 PB-UART3: /dev/ttyO3, Rx: P2_29, Tx: none Signed-off-by: Drew Fustini <drew@pdp7.com>
64 lines
1.6 KiB
Python
64 lines
1.6 KiB
Python
import pytest
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import serial
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import platform
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import Adafruit_BBIO.UART as UART
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kernel = platform.release()
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def teardown_module(module):
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pass
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# ADC.cleanup()
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class TestUart:
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def test_setup_uart_wrong_name(self):
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if kernel >= '4.1.0':
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pass
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else:
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with pytest.raises(ValueError):
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UART.setup("UART7")
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def test_setup_adc(self):
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if kernel >= '4.1.0':
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pass
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else:
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UART.setup("UART1")
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def test_setup_uart_multiple(self):
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if kernel >= '4.1.0':
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pass
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else:
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UART.setup("UART1")
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UART.setup("UART1")
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# test UART entries for the PocketBeagle (issue #243)
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def test_pocketbeagle(self):
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if kernel < '4.1.0':
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pass
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value = open('/proc/device-tree/model').read()
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if(value.startswith("TI AM335x PocketBeagle")):
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uarts = {
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'PB-UART0': '/dev/ttyO0',
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'PB-UART1': '/dev/ttyO1',
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'PB-UART2': '/dev/ttyO2',
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}
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else:
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uarts = {
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'UART1': '/dev/ttyO1',
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'UART2': '/dev/ttyO2',
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'UART4': '/dev/ttyO4'
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# note: UART5 requires
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# "disable_uboot_overlay_video=1" in /boot/uEnv.txt
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#'UART5': '/dev/ttyO5'
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}
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for name, device in sorted(uarts.items()):
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UART.setup(name)
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uart = serial.Serial(port = device, baudrate=9600)
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uart.close()
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uart.open()
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if uart.isOpen():
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uart.write("hello world".encode("utf-8"))
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uart.close()
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