1# 2# Copyright (c) 2021, NXP 3# 4# SPDX-License-Identifier: Apache-2.0 5# 6 7mainmenu "I2S Speed Test" 8 9source "Kconfig.zephyr" 10 11config I2S_TEST_SEPARATE_DEVICES 12 bool "Use two separate I2S ports for loopback" 13 help 14 Use separate I2S ports for transmit and receive. 15 16config I2S_TEST_USE_I2S_DIR_BOTH 17 bool "Use I2S_DIR_BOTH value to perform RX/TX transfers" 18 default y if DT_HAS_NORDIC_NRF_I2S_ENABLED 19 help 20 Use the I2S_DIR_BOTH enumeration value to trigger commands in test 21 cases involving both reception and transmission. Use of this option 22 is essential for devices that cannot independently start and stop 23 the RX and TX streams. 24 25config I2S_TEST_USE_GPIO_LOOPBACK 26 bool "Use GPIO loopback" 27 default y if DT_HAS_NORDIC_NRF_I2S_ENABLED 28 help 29 Use wiring between the data-out and data-in pins for looping back 30 data. This option is intended to be used for devices that do not 31 provide the internal loopback functionality. 32 33config I2S_TEST_ALLOWED_DATA_OFFSET 34 int "Allowed offset in received data" 35 default 2 if DT_HAS_NORDIC_NRF_I2S_ENABLED 36 default 0 37 help 38 Maximum allowed offset between sent and received samples. Non-zero 39 value of this option may be needed when GPIO loopback is used. 40