76 lines
2.6 KiB
Python
76 lines
2.6 KiB
Python
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#
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# The MIT License (MIT)
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#
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# Copyright (c) 2023 HiFiPhile
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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import os
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import sys
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import time
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import serial
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import subprocess
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def flash_jlink(sn, dev, firmware):
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script = ['halt', 'r', f'loadfile {firmware}', 'r', 'go', 'exit']
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f = open('flash.jlink', 'w')
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f.writelines(f'{s}\n' for s in script)
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f.close()
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ret = subprocess.run(f'JLinkExe -USB {sn} -device {dev} -if swd -JTAGConf -1,-1 -speed auto -NoGui 1 -ExitOnError 1 -CommandFile flash.jlink',
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shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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assert ret.returncode == 0, 'Flash failed'
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def test_cdc_dual_ports(port1, port2):
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# Wait device enum
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timeout = 10
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while timeout:
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if os.path.exists(port1) and os.path.exists(port2):
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break
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time.sleep(1)
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timeout = timeout - 1
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assert os.path.exists(port1) and os.path.exists(port2), \
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'Port not available'
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ser1 = serial.Serial(port1)
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ser2 = serial.Serial(port2)
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ser1.timeout = 1
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ser2.timeout = 1
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str1 = b"test_no1"
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ser1.write(str1)
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ser1.flush()
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assert ser1.read(100) == str1.lower(), 'Port1 wrong data'
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assert ser2.read(100) == str1.upper(), 'Port2 wrong data'
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str2 = b"test_no2"
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ser2.write(str2)
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ser2.flush()
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assert ser1.read(100) == str2.lower(), 'Port1 wrong data'
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assert ser2.read(100) == str2.upper(), 'Port2 wrong data'
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print('cdc_dual_ports test done')
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flash_jlink('774470029', 'stm32l412kb', 'examples/device/cdc_dual_ports/_build/stm32l412nucleo/cdc_dual_ports.elf')
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test_cdc_dual_ports('/dev/ttyUSB_57323020.00', '/dev/ttyUSB_57323020.02')
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