Import Mbed OS hard-float snapshot

targets/TARGET_NUVOTON/TARGET_M261/device/StdDriver/m261_crc.h

@@ -0,0 +1,137 @@
+/**************************************************************************//**
+ * @file     crc.h
+ * @version  V3.00
+ * @brief    Cyclic Redundancy Check(CRC) driver header file
+ *
+ * @copyright (C) 2019 Nuvoton Technology Corp. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *   1. Redistributions of source code must retain the above copyright notice,
+ *      this list of conditions and the following disclaimer.
+ *   2. Redistributions in binary form must reproduce the above copyright notice,
+ *      this list of conditions and the following disclaimer in the documentation
+ *      and/or other materials provided with the distribution.
+ *   3. Neither the name of Nuvoton Technology Corp. nor the names of its contributors
+ *      may be used to endorse or promote products derived from this software
+ *      without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *****************************************************************************/
+#ifndef __CRC_H__
+#define __CRC_H__
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+/** @addtogroup Standard_Driver Standard Driver
+  @{
+*/
+
+/** @addtogroup CRC_Driver CRC Driver
+  @{
+*/
+
+/** @addtogroup CRC_EXPORTED_CONSTANTS CRC Exported Constants
+  @{
+*/
+/*---------------------------------------------------------------------------------------------------------*/
+/*  CRC Polynomial Mode Constant Definitions                                                               */
+/*---------------------------------------------------------------------------------------------------------*/
+#define CRC_CCITT           (0UL << CRC_CTL_CRCMODE_Pos) /*!<CRC Polynomial Mode - CCITT \hideinitializer */
+#define CRC_8               (1UL << CRC_CTL_CRCMODE_Pos) /*!<CRC Polynomial Mode - CRC8 \hideinitializer */
+#define CRC_16              (2UL << CRC_CTL_CRCMODE_Pos) /*!<CRC Polynomial Mode - CRC16 \hideinitializer */
+#define CRC_32              (3UL << CRC_CTL_CRCMODE_Pos) /*!<CRC Polynomial Mode - CRC32 \hideinitializer */
+
+/*---------------------------------------------------------------------------------------------------------*/
+/*  Checksum, Write data Constant Definitions                                                              */
+/*---------------------------------------------------------------------------------------------------------*/
+#define CRC_CHECKSUM_COM    (CRC_CTL_CHKSFMT_Msk)       /*!<CRC Checksum Complement \hideinitializer */
+#define CRC_CHECKSUM_RVS    (CRC_CTL_CHKSREV_Msk)       /*!<CRC Checksum Reverse \hideinitializer */
+#define CRC_WDATA_COM       (CRC_CTL_DATFMT_Msk)        /*!<CRC Write Data Complement \hideinitializer */
+#define CRC_WDATA_RVS       (CRC_CTL_DATREV_Msk)        /*!<CRC Write Data Reverse \hideinitializer */
+
+/*---------------------------------------------------------------------------------------------------------*/
+/*  CPU Write Data Length Constant Definitions                                                             */
+/*---------------------------------------------------------------------------------------------------------*/
+#define CRC_CPU_WDATA_8     (0UL << CRC_CTL_DATLEN_Pos) /*!<CRC CPU Write Data length is 8-bit \hideinitializer */
+#define CRC_CPU_WDATA_16    (1UL << CRC_CTL_DATLEN_Pos) /*!<CRC CPU Write Data length is 16-bit \hideinitializer */
+#define CRC_CPU_WDATA_32    (2UL << CRC_CTL_DATLEN_Pos) /*!<CRC CPU Write Data length is 32-bit \hideinitializer */
+
+/*@}*/ /* end of group CRC_EXPORTED_CONSTANTS */
+
+
+/** @addtogroup CRC_EXPORTED_FUNCTIONS CRC Exported Functions
+  @{
+*/
+
+/**
+  * @brief      Set CRC Seed Value
+  *
+  * @param[in]  crc         The pointer of CRC module.
+  * @param[in]  u32Seed     Seed value
+  *
+  * @return     None
+  *
+  * @details    This macro is used to set CRC seed value.
+  *
+  * @note       User must to perform CRC_CHKSINIT(CRC_CTL[1] CRC Engine Reset) to reload the new seed value
+  *             to CRC controller.
+  * \hideinitializer
+  */
+#define CRC_SET_SEED(crc, u32Seed)          do{ (crc)->SEED = (u32Seed); (crc)->CTL |= CRC_CTL_CHKSINIT_Msk; }while(0)
+
+/**
+  * @brief      Get CRC Seed Value
+  *
+  * @param[in]  crc         The pointer of CRC module.
+  *
+  * @return     CRC seed value
+  *
+  * @details    This macro gets the current CRC seed value.
+ * \hideinitializer
+  */
+#define CRC_GET_SEED(crc)                   ((crc)->SEED)
+
+/**
+  * @brief      CRC Write Data
+  *
+  * @param[in]  crc         The pointer of CRC module.
+  * @param[in]  u32Data     Write data
+  *
+  * @return     None
+  *
+  * @details    User can write data directly to CRC Write Data Register(CRC_DAT) by this macro to perform CRC operation.
+ * \hideinitializer
+  */
+#define CRC_WRITE_DATA(crc, u32Data)        ((crc)->DAT = (u32Data))
+
+
+void CRC_Open(uint32_t u32Mode, uint32_t u32Attribute, uint32_t u32Seed, uint32_t u32DataLen);
+uint32_t CRC_GetChecksum(void);
+
+/*@}*/ /* end of group CRC_EXPORTED_FUNCTIONS */
+
+/*@}*/ /* end of group CRC_Driver */
+
+/*@}*/ /* end of group Standard_Driver */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __CRC_H__ */
+
+/*** (C) COPYRIGHT 2019 Nuvoton Technology Corp. ***/