173 lines
4.3 KiB
C
173 lines
4.3 KiB
C
/**
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**************************************************************************
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* @file at32f435_437_crc.h
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* @version v2.0.9
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* @date 2022-06-28
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* @brief at32f435_437 crc header file
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**************************************************************************
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* Copyright notice & Disclaimer
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*
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* The software Board Support Package (BSP) that is made available to
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* download from Artery official website is the copyrighted work of Artery.
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* Artery authorizes customers to use, copy, and distribute the BSP
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* software and its related documentation for the purpose of design and
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* development in conjunction with Artery microcontrollers. Use of the
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* software is governed by this copyright notice and the following disclaimer.
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*
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* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
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* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
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* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
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* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
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* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
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*
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**************************************************************************
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*/
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/* define to prevent recursive inclusion -------------------------------------*/
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#ifndef __AT32F435_437_CRC_H
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#define __AT32F435_437_CRC_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* includes ------------------------------------------------------------------*/
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#include "at32f435_437.h"
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/** @addtogroup AT32F435_437_periph_driver
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* @{
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*/
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/** @addtogroup CRC
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* @{
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*/
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/** @defgroup CRC_exported_types
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* @{
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*/
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/**
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* @brief crc reverse input data
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*/
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typedef enum
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{
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CRC_REVERSE_INPUT_NO_AFFECTE = 0x00, /*!< input data no reverse */
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CRC_REVERSE_INPUT_BY_BYTE = 0x01, /*!< input data reverse by byte */
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CRC_REVERSE_INPUT_BY_HALFWORD = 0x02, /*!< input data reverse by half word */
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CRC_REVERSE_INPUT_BY_WORD = 0x03 /*!< input data reverse by word */
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} crc_reverse_input_type;
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/**
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* @brief crc reverse output data
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*/
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typedef enum
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{
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CRC_REVERSE_OUTPUT_NO_AFFECTE = 0x00, /*!< output data no reverse */
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CRC_REVERSE_OUTPUT_DATA = 0x01 /*!< output data reverse by word */
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} crc_reverse_output_type;
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/**
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* @brief type define crc register all
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*/
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typedef struct
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{
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/**
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* @brief crc dt register, offset:0x00
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*/
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union
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{
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__IO uint32_t dt;
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struct
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{
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__IO uint32_t dt : 32; /* [31:0] */
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} dt_bit;
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};
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/**
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* @brief crc cdt register, offset:0x04
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*/
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union
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{
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__IO uint32_t cdt;
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struct
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{
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__IO uint32_t cdt : 8 ; /* [7:0] */
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__IO uint32_t reserved1 : 24 ;/* [31:8] */
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} cdt_bit;
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};
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/**
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* @brief crc ctrl register, offset:0x08
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*/
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union
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{
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__IO uint32_t ctrl;
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struct
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{
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__IO uint32_t rst : 1 ; /* [0] */
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__IO uint32_t reserved1 : 4 ; /* [4:1] */
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__IO uint32_t revid : 2 ; /* [6:5] */
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__IO uint32_t revod : 1 ; /* [7] */
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__IO uint32_t reserved2 : 24 ;/* [31:8] */
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} ctrl_bit;
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};
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/**
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* @brief crm reserved1 register, offset:0x0C
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*/
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__IO uint32_t reserved1;
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/**
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* @brief crc idt register, offset:0x10
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*/
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union
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{
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__IO uint32_t idt;
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struct
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{
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__IO uint32_t idt : 32; /* [31:0] */
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} idt_bit;
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};
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} crc_type;
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/**
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* @}
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*/
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#define CRC ((crc_type *) CRC_BASE)
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/** @defgroup CRC_exported_functions
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* @{
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*/
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void crc_data_reset(void);
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uint32_t crc_one_word_calculate(uint32_t data);
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uint32_t crc_block_calculate(uint32_t *pbuffer, uint32_t length);
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uint32_t crc_data_get(void);
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void crc_common_data_set(uint8_t cdt_value);
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uint8_t crc_common_date_get(void);
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void crc_init_data_set(uint32_t value);
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void crc_reverse_input_data_set(crc_reverse_input_type value);
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void crc_reverse_output_data_set(crc_reverse_output_type value);
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/**
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* @}
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*/
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/**
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* @}
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*/
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif
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