shao ziyang / mbed-src-kl05

mbed library sources

Dependents:   frdm_kl05z_gpio_test

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targets/cmsis/TARGET_STM/TARGET_DISCO_F051R8/stm32f0xx_crc.h@323:9e901b0a5aa1, 2014-09-13 (annotated)

Committer:
shaoziyang
Date:
Sat Sep 13 14:25:46 2014 +0000
Revision:
323:9e901b0a5aa1
Parent:
130:1dec54e4aec3 
test with CLOCK_SETUP = 0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 130:1dec54e4aec3 1 /**
mbed_official 130:1dec54e4aec3 2 ******************************************************************************
mbed_official 130:1dec54e4aec3 3 * @file stm32f0xx_crc.h
mbed_official 130:1dec54e4aec3 4 * @author MCD Application Team
mbed_official 130:1dec54e4aec3 5 * @version V1.3.0
mbed_official 130:1dec54e4aec3 6 * @date 16-January-2014
mbed_official 130:1dec54e4aec3 7 * @brief This file contains all the functions prototypes for the CRC firmware
mbed_official 130:1dec54e4aec3 8 * library.
mbed_official 130:1dec54e4aec3 9 ******************************************************************************
mbed_official 130:1dec54e4aec3 10 * @attention
mbed_official 130:1dec54e4aec3 11 *
mbed_official 130:1dec54e4aec3 12 * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
mbed_official 130:1dec54e4aec3 13 *
mbed_official 130:1dec54e4aec3 14 * Redistribution and use in source and binary forms, with or without modification,
mbed_official 130:1dec54e4aec3 15 * are permitted provided that the following conditions are met:
mbed_official 130:1dec54e4aec3 16 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 130:1dec54e4aec3 17 * this list of conditions and the following disclaimer.
mbed_official 130:1dec54e4aec3 18 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 130:1dec54e4aec3 19 * this list of conditions and the following disclaimer in the documentation
mbed_official 130:1dec54e4aec3 20 * and/or other materials provided with the distribution.
mbed_official 130:1dec54e4aec3 21 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 130:1dec54e4aec3 22 * may be used to endorse or promote products derived from this software
mbed_official 130:1dec54e4aec3 23 * without specific prior written permission.
mbed_official 130:1dec54e4aec3 24 *
mbed_official 130:1dec54e4aec3 25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 130:1dec54e4aec3 26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 130:1dec54e4aec3 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 130:1dec54e4aec3 28 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 130:1dec54e4aec3 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 130:1dec54e4aec3 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 130:1dec54e4aec3 31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 130:1dec54e4aec3 32 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 130:1dec54e4aec3 33 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 130:1dec54e4aec3 34 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 130:1dec54e4aec3 35 *
mbed_official 130:1dec54e4aec3 36 ******************************************************************************
mbed_official 130:1dec54e4aec3 37 */
mbed_official 130:1dec54e4aec3 38
mbed_official 130:1dec54e4aec3 39 /* Define to prevent recursive inclusion -------------------------------------*/
mbed_official 130:1dec54e4aec3 40 #ifndef __STM32F0XX_CRC_H
mbed_official 130:1dec54e4aec3 41 #define __STM32F0XX_CRC_H
mbed_official 130:1dec54e4aec3 42
mbed_official 130:1dec54e4aec3 43 #ifdef __cplusplus
mbed_official 130:1dec54e4aec3 44 extern "C" {
mbed_official 130:1dec54e4aec3 45 #endif
mbed_official 130:1dec54e4aec3 46
mbed_official 130:1dec54e4aec3 47 /*!< Includes ----------------------------------------------------------------*/
mbed_official 130:1dec54e4aec3 48 #include "stm32f0xx.h"
mbed_official 130:1dec54e4aec3 49
mbed_official 130:1dec54e4aec3 50 /** @addtogroup STM32F0xx_StdPeriph_Driver
mbed_official 130:1dec54e4aec3 51 * @{
mbed_official 130:1dec54e4aec3 52 */
mbed_official 130:1dec54e4aec3 53
mbed_official 130:1dec54e4aec3 54 /** @addtogroup CRC
mbed_official 130:1dec54e4aec3 55 * @{
mbed_official 130:1dec54e4aec3 56 */
mbed_official 130:1dec54e4aec3 57
mbed_official 130:1dec54e4aec3 58 /* Exported types ------------------------------------------------------------*/
mbed_official 130:1dec54e4aec3 59 /* Exported constants --------------------------------------------------------*/
mbed_official 130:1dec54e4aec3 60
mbed_official 130:1dec54e4aec3 61 /** @defgroup CRC_ReverseInputData
mbed_official 130:1dec54e4aec3 62 * @{
mbed_official 130:1dec54e4aec3 63 */
mbed_official 130:1dec54e4aec3 64 #define CRC_ReverseInputData_No ((uint32_t)0x00000000) /*!< No reverse operation of Input Data */
mbed_official 130:1dec54e4aec3 65 #define CRC_ReverseInputData_8bits CRC_CR_REV_IN_0 /*!< Reverse operation of Input Data on 8 bits */
mbed_official 130:1dec54e4aec3 66 #define CRC_ReverseInputData_16bits CRC_CR_REV_IN_1 /*!< Reverse operation of Input Data on 16 bits */
mbed_official 130:1dec54e4aec3 67 #define CRC_ReverseInputData_32bits CRC_CR_REV_IN /*!< Reverse operation of Input Data on 32 bits */
mbed_official 130:1dec54e4aec3 68
mbed_official 130:1dec54e4aec3 69 #define IS_CRC_REVERSE_INPUT_DATA(DATA) (((DATA) == CRC_ReverseInputData_No) || \
mbed_official 130:1dec54e4aec3 70 ((DATA) == CRC_ReverseInputData_8bits) || \
mbed_official 130:1dec54e4aec3 71 ((DATA) == CRC_ReverseInputData_16bits) || \
mbed_official 130:1dec54e4aec3 72 ((DATA) == CRC_ReverseInputData_32bits))
mbed_official 130:1dec54e4aec3 73
mbed_official 130:1dec54e4aec3 74 /**
mbed_official 130:1dec54e4aec3 75 * @}
mbed_official 130:1dec54e4aec3 76 */
mbed_official 130:1dec54e4aec3 77
mbed_official 130:1dec54e4aec3 78 /** @defgroup CRC_PolynomialSize
mbed_official 130:1dec54e4aec3 79 * @brief Only applicable for STM32F042 and STM32F072 devices
mbed_official 130:1dec54e4aec3 80 * @{
mbed_official 130:1dec54e4aec3 81 */
mbed_official 130:1dec54e4aec3 82 #define CRC_PolSize_7 CRC_CR_POLSIZE /*!< 7-bit polynomial for CRC calculation */
mbed_official 130:1dec54e4aec3 83 #define CRC_PolSize_8 CRC_CR_POLSIZE_1 /*!< 8-bit polynomial for CRC calculation */
mbed_official 130:1dec54e4aec3 84 #define CRC_PolSize_16 CRC_CR_POLSIZE_0 /*!< 16-bit polynomial for CRC calculation */
mbed_official 130:1dec54e4aec3 85 #define CRC_PolSize_32 ((uint32_t)0x00000000)/*!< 32-bit polynomial for CRC calculation */
mbed_official 130:1dec54e4aec3 86
mbed_official 130:1dec54e4aec3 87 #define IS_CRC_POL_SIZE(SIZE) (((SIZE) == CRC_PolSize_7) || \
mbed_official 130:1dec54e4aec3 88 ((SIZE) == CRC_PolSize_8) || \
mbed_official 130:1dec54e4aec3 89 ((SIZE) == CRC_PolSize_16) || \
mbed_official 130:1dec54e4aec3 90 ((SIZE) == CRC_PolSize_32))
mbed_official 130:1dec54e4aec3 91
mbed_official 130:1dec54e4aec3 92 /**
mbed_official 130:1dec54e4aec3 93 * @}
mbed_official 130:1dec54e4aec3 94 */
mbed_official 130:1dec54e4aec3 95
mbed_official 130:1dec54e4aec3 96 /* Exported macro ------------------------------------------------------------*/
mbed_official 130:1dec54e4aec3 97 /* Exported functions ------------------------------------------------------- */
mbed_official 130:1dec54e4aec3 98 /* Configuration of the CRC computation unit **********************************/
mbed_official 130:1dec54e4aec3 99 void CRC_DeInit(void);
mbed_official 130:1dec54e4aec3 100 void CRC_ResetDR(void);
mbed_official 130:1dec54e4aec3 101 void CRC_PolynomialSizeSelect(uint32_t CRC_PolSize); /*!< Only applicable for STM32F042 and STM32F072 devices */
mbed_official 130:1dec54e4aec3 102 void CRC_ReverseInputDataSelect(uint32_t CRC_ReverseInputData);
mbed_official 130:1dec54e4aec3 103 void CRC_ReverseOutputDataCmd(FunctionalState NewState);
mbed_official 130:1dec54e4aec3 104 void CRC_SetInitRegister(uint32_t CRC_InitValue);
mbed_official 130:1dec54e4aec3 105 void CRC_SetPolynomial(uint32_t CRC_Pol); /*!< Only applicable for STM32F042 and STM32F072 devices */
mbed_official 130:1dec54e4aec3 106
mbed_official 130:1dec54e4aec3 107 /* CRC computation ************************************************************/
mbed_official 130:1dec54e4aec3 108 uint32_t CRC_CalcCRC(uint32_t CRC_Data);
mbed_official 130:1dec54e4aec3 109 uint32_t CRC_CalcCRC16bits(uint16_t CRC_Data); /*!< Only applicable for STM32F042 and STM32F072 devices */
mbed_official 130:1dec54e4aec3 110 uint32_t CRC_CalcCRC8bits(uint8_t CRC_Data); /*!< Only applicable for STM32F042 and STM32F072 devices */
mbed_official 130:1dec54e4aec3 111 uint32_t CRC_CalcBlockCRC(uint32_t pBuffer[], uint32_t BufferLength);
mbed_official 130:1dec54e4aec3 112 uint32_t CRC_GetCRC(void);
mbed_official 130:1dec54e4aec3 113
mbed_official 130:1dec54e4aec3 114 /* Independent register (IDR) access (write/read) *****************************/
mbed_official 130:1dec54e4aec3 115 void CRC_SetIDRegister(uint8_t CRC_IDValue);
mbed_official 130:1dec54e4aec3 116 uint8_t CRC_GetIDRegister(void);
mbed_official 130:1dec54e4aec3 117
mbed_official 130:1dec54e4aec3 118 #ifdef __cplusplus
mbed_official 130:1dec54e4aec3 119 }
mbed_official 130:1dec54e4aec3 120 #endif
mbed_official 130:1dec54e4aec3 121
mbed_official 130:1dec54e4aec3 122 #endif /* __STM32F0XX_CRC_H */
mbed_official 130:1dec54e4aec3 123
mbed_official 130:1dec54e4aec3 124 /**
mbed_official 130:1dec54e4aec3 125 * @}
mbed_official 130:1dec54e4aec3 126 */
mbed_official 130:1dec54e4aec3 127
mbed_official 130:1dec54e4aec3 128 /**
mbed_official 130:1dec54e4aec3 129 * @}
mbed_official 130:1dec54e4aec3 130 */
mbed_official 130:1dec54e4aec3 131
mbed_official 130:1dec54e4aec3 132 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/