esp-idf/examples/peripherals/usb/host/msc/pytest_usb_host_msc.py
Tomas Rezucha e6fde2e13e refactor(usb/host_msc_example): Increase transfer speeds
- Upgrade to MSC driver 1.1.1 for zero copy transfers
- Use setvbuf() to increase size of VFS file buffer
- Add example test
2023-10-24 15:19:58 +02:00

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Python

# SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
# SPDX-License-Identifier: CC0-1.0
import pytest
from pytest_embedded import Dut
@pytest.mark.esp32s2
@pytest.mark.esp32s3
@pytest.mark.usb_host_flash_disk
def test_usb_host_msc_example(dut: Dut) -> None:
# Check result of file_operations()
dut.expect_exact("example: Read from file '/usb/esp/test.txt': 'Hello World!'")
# Check result of speed_test()
write_throughput = float(dut.expect(r'example: Write speed ([0-9]*[.]?[0-9]+) MiB')[1].decode())
read_throughput = float(dut.expect(r'example: Read speed ([0-9]*[.]?[0-9]+) MiB')[1].decode())
# These values should be updated for HS targets
if write_throughput > 0.9:
print('Write throughput put OK')
else:
print('write throughput too slow!')
if read_throughput > 1.0:
print('Read throughput put OK')
else:
print('Read throughput too slow!')