Diff: mbed-dev/targets/TARGET_NUVOTON/TARGET_M451/device/StdDriver/m451_crc.h

Revision:

18:6a4db94011d3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-dev/targets/TARGET_NUVOTON/TARGET_M451/device/StdDriver/m451_crc.h	Sun May 14 23:18:57 2017 +0000
@@ -0,0 +1,112 @@
+/**************************************************************************//**
+ * @file     crc.h
+ * @version  V3.00
+ * $Revision: 6 $
+ * $Date: 15/08/11 10:26a $
+ * @brief    M451 series CRC driver header file
+ *
+ * @note
+ * Copyright (C) 2013~2015 Nuvoton Technology Corp. All rights reserved.
+ *****************************************************************************/
+#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           0x00000000UL            /*!<CRC Polynomial Mode - CCITT */
+#define CRC_8               0x40000000UL            /*!<CRC Polynomial Mode - CRC8 */
+#define CRC_16              0x80000000UL            /*!<CRC Polynomial Mode - CRC16 */
+#define CRC_32              0xC0000000UL            /*!<CRC Polynomial Mode - CRC32 */
+
+/*---------------------------------------------------------------------------------------------------------*/
+/*  Checksum, Write data Constant Definitions                                                              */
+/*---------------------------------------------------------------------------------------------------------*/
+#define CRC_CHECKSUM_COM    0x08000000UL            /*!<CRC Checksum Complement */
+#define CRC_CHECKSUM_RVS    0x02000000UL            /*!<CRC Checksum Reverse */
+#define CRC_WDATA_COM       0x04000000UL            /*!<CRC Write Data Complement */
+#define CRC_WDATA_RVS       0x01000000UL            /*!<CRC Write Data Reverse */
+
+/*---------------------------------------------------------------------------------------------------------*/
+/*  CPU Write Data Length Constant Definitions                                                             */
+/*---------------------------------------------------------------------------------------------------------*/
+#define CRC_CPU_WDATA_8     0x00000000UL            /*!<CRC CPU Write Data length is 8-bit */
+#define CRC_CPU_WDATA_16    0x10000000UL            /*!<CRC CPU Write Data length is 16-bit */
+#define CRC_CPU_WDATA_32    0x20000000UL            /*!<CRC CPU Write Data length is 32-bit */
+
+/*@}*/ /* end of group CRC_EXPORTED_CONSTANTS */
+
+
+/** @addtogroup CRC_EXPORTED_FUNCTIONS CRC Exported Functions
+  @{
+*/
+
+/**
+  * @brief      Set CRC Seed Value
+  *
+  * @param[in]  u32Seed     Seed value
+  *
+  * @return     None
+  *
+  * @details    This macro is used to set CRC seed value.
+  *
+  * @note       User must to perform CRC_RST(CRC_CTL[1] CRC Engine Reset) to reload the new seed value
+  *             to CRC controller.
+  */
+#define CRC_SET_SEED(u32Seed)   { CRC->SEED = (u32Seed); CRC->CTL |= CRC_CTL_CRCRST_Msk; }
+
+/**
+ * @brief       Get CRC Seed Value
+ *
+  * @param      None
+ *
+ * @return      CRC seed value
+ *
+ * @details     This macro gets the current CRC seed value.
+ */
+#define CRC_GET_SEED()          (CRC->SEED)
+
+/**
+ * @brief       CRC Write Data
+ *
+ * @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.
+ */
+#define CRC_WRITE_DATA(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 2013~2015 Nuvoton Technology Corp. ***/