add lpcopen lpc11u6x files

2018-12-01 01:34:13 +07:00
parent d246cc2e6c
commit c1186ad6a9
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+/*
+ * @brief Routines to overload "/" and "%" operator in C using ROM  based divider library
+ *
+ * @note
+ * Copyright(C) NXP Semiconductors, 2013
+ * All rights reserved.
+ *
+ * @par
+ * Software that is described herein is for illustrative purposes only
+ * which provides customers with programming information regarding the
+ * LPC products.  This software is supplied "AS IS" without any warranties of
+ * any kind, and NXP Semiconductors and its licensor disclaim any and
+ * all warranties, express or implied, including all implied warranties of
+ * merchantability, fitness for a particular purpose and non-infringement of
+ * intellectual property rights.  NXP Semiconductors assumes no responsibility
+ * or liability for the use of the software, conveys no license or rights under any
+ * patent, copyright, mask work right, or any other intellectual property rights in
+ * or to any products. NXP Semiconductors reserves the right to make changes
+ * in the software without notification. NXP Semiconductors also makes no
+ * representation or warranty that such application will be suitable for the
+ * specified use without further testing or modification.
+ *
+ * @par
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation is hereby granted, under NXP Semiconductors' and its
+ * licensor's relevant copyrights in the software, without fee, provided that it
+ * is used in conjunction with NXP Semiconductors microcontrollers.  This
+ * copyright, permission, and disclaimer notice must appear in all copies of
+ * this code.
+ */
+
+#ifndef __ROMDIV_11U6X_H_
+#define __ROMDIV_11U6X_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** @defgroup ROMAPI_DIV_11U6X ROM divider API declarations
+ * @ingroup ROMAPI_11U6X
+ * The ROM-based 32-bit integer division routines are available for all LPC11U6x.
+ * These routines are performance optimized and reduce application code space. As
+ * part of chip library these routines overload “/” and “%” operators in C.
+ * @{
+ */
+
+/**
+ * @brief Structure containing signed integer divider return data.
+ */
+typedef struct {
+	int quot;			/*!< Quotient */
+	int rem;			/*!< Reminder */
+} IDIV_RETURN_T;
+
+/**
+ * @brief Structure containing unsigned integer divider return data.
+ */
+typedef struct {
+	unsigned quot;		/*!< Quotient */
+	unsigned rem;		/*!< Reminder */
+} UIDIV_RETURN_T;
+
+/**
+ * @brief ROM divider API Structure.
+ */
+typedef struct {
+	int (*sidiv)(int numerator, int denominator);							/*!< Signed integer division */
+	unsigned (*uidiv)(unsigned numerator, unsigned denominator);			/*!< Unsigned integer division */
+	IDIV_RETURN_T (*sidivmod)(int numerator, int denominator);				/*!< Signed integer division with remainder */
+	UIDIV_RETURN_T (*uidivmod)(unsigned numerator, unsigned denominator);	/*!< Unsigned integer division with remainder */
+} ROM_DIV_API_T;
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ROMDIV_11U6X_H_ */