| # Copyright (c) 2016,2023 Intel Corporation |
| # Copyright (c) 2025 Renesas Electronics Corporation |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| DT_CHOSEN_Z_CRC := zephyr,crc |
| |
| menuconfig CRC |
| bool "Cyclic redundancy check (CRC) Support" |
| help |
| Enable use of CRC. |
| |
| if CRC |
| |
| module = CRC |
| module-str = CRC |
| source "subsys/logging/Kconfig.template.log_config" |
| |
| config CRC_HW_HANDLER |
| bool "CRC Hardware Accelerator" |
| default y if $(dt_chosen_enabled,$(DT_CHOSEN_Z_CRC)) |
| select CRC_DRIVER |
| help |
| Enable use of CRC hardware |
| |
| config CRC4 |
| bool "CRC-4 (Generic)" |
| depends on CRC_DRIVER_HAS_CRC4 |
| default y |
| help |
| Implements a generic CRC-4 algorithm. This is suitable for platforms |
| without hardware CRC support. Offers flexibility but has lower performance |
| compared to hardware-based implementations. |
| |
| config CRC4_TI |
| bool "CRC-4 (TI Polynomial)" |
| depends on CRC_DRIVER_HAS_CRC4_TI |
| default y |
| help |
| Implements the TI-specific CRC-4 algorithm. Commonly used in low-level |
| embedded communication where minimal CRC overhead is needed. |
| |
| config CRC7_BE |
| bool "CRC-7 (Big Endian)" |
| depends on CRC_DRIVER_HAS_CRC7_BE |
| default y |
| help |
| Implements a CRC-7 algorithm with Big Endian bit order. Often used |
| in SD card protocols and other serial communication standards. |
| |
| config CRC8 |
| bool "CRC-8 (Generic)" |
| depends on CRC_DRIVER_HAS_CRC8 |
| default y |
| help |
| Implements a generic CRC-8 algorithm. Useful for small data integrity |
| checks such as checksums and simple communication protocols. |
| |
| config CRC8_ROHC |
| bool "CRC-8 (ROHC)" |
| depends on CRC_DRIVER_HAS_CRC8_ROHC |
| default y |
| help |
| Implements the CRC-8 ROHC (Robust Header Compression) algorithm, |
| typically used in compressed IP header protocols and networking. |
| |
| config CRC8_CCITT |
| bool "CRC-8 (CCITT)" |
| depends on CRC_DRIVER_HAS_CRC8_CCITT |
| default y |
| help |
| Implements the CRC-8 CCITT polynomial. Commonly used in |
| telecommunications and low-power sensor protocols. |
| |
| config CRC16 |
| bool "CRC-16 (Generic)" |
| depends on CRC_DRIVER_HAS_CRC16 |
| default y |
| help |
| Implements the generic CRC-16 algorithm. Frequently used in |
| storage, file transmission, and basic serial communication protocols. |
| |
| config CRC16_ANSI |
| bool "CRC-16 (ANSI)" |
| depends on CRC_DRIVER_HAS_CRC16_ANSI |
| default y |
| help |
| Implements the ANSI variant of CRC-16, also known as CRC-16-IBM. |
| Commonly applied in legacy serial and file systems. |
| |
| config CRC16_CCITT |
| bool "CRC-16 (CCITT)" |
| depends on CRC_DRIVER_HAS_CRC16_CCITT |
| default y |
| help |
| Implements the CCITT variant of CRC-16, widely used in |
| telecommunication systems such as XMODEM and HDLC protocols. |
| |
| config CRC16_ITU_T |
| bool "CRC-16 (ITU-T)" |
| depends on CRC_DRIVER_HAS_CRC16_ITU_T |
| default y |
| help |
| Implements the ITU-T (formerly CCITT) CRC-16 variant. |
| Popular in modem protocols and wireless communication standards. |
| |
| config CRC16_REFLECT |
| bool "CRC-16 (Reflected)" |
| depends on CRC_DRIVER_HAS_CRC16_REFLECT |
| default y |
| help |
| Implements the reflected (bit-reversed) variant of CRC-16-CCITT. |
| Useful in systems that process data in LSB-first order. |
| |
| config CRC24_PGP |
| bool "CRC-24 (PGP)" |
| depends on CRC_DRIVER_HAS_CRC24_PGP |
| default y |
| help |
| Implements a CRC24 algorithm, used in applications like Bluetooth |
| and certain cryptographic protocols. |
| |
| config CRC32_C |
| bool "CRC-32C" |
| depends on CRC_DRIVER_HAS_CRC32_C |
| default y |
| help |
| Implements the CRC32-C (Castagnoli) algorithm, optimized for |
| high-performance applications such as storage, networking, |
| and error detection in modern processors. |
| |
| config CRC32_IEEE |
| bool "CRC-32 (IEEE)" |
| depends on CRC_DRIVER_HAS_CRC32_IEEE |
| default y |
| help |
| Implements the CRC32-IEEE (CRC-32) algorithm, commonly used |
| in Ethernet, ZIP file integrity checks, and other standard |
| networking and storage applications. |
| |
| |
| config CRC32_K_4_2 |
| bool "CRC-32K/4.2" |
| depends on CRC_DRIVER_HAS_CRC32_K_4_2 |
| default y |
| help |
| Implement the CRC-32K/4.2 algorithm, a variant of the standard |
| CRC32-IEEE used in Ethernet, ZIP files, and other data integrity |
| applications. |
| |
| config CRC32_K_4_2_TABLE_256 |
| bool "CRC-32K/4.2 Table 256" |
| help |
| Enables the software implementation of the CRC-32K/4.2 algorithm |
| using a 256-entry lookup table for faster computation. |
| |
| config CRC_SHELL |
| bool "CRC Shell" |
| depends on SHELL |
| select POSIX_C_LIB_EXT |
| help |
| Enable CRC checking for memory regions from the shell. |
| |
| endif # CRC |
