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/*
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* Copyright or � or Copr. 2010, Thomas SOETE
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*
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* Author e-mail: thomas@soete.org
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* Library website : http://mbed.org/users/Alkorin/libraries/SimpleLib/
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*
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* This software is governed by the CeCILL license under French law and
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* abiding by the rules of distribution of free software. You can use,
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* modify and/ or redistribute the software under the terms of the CeCILL
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* license as circulated by CEA, CNRS and INRIA at the following URL
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* "http://www.cecill.info".
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*
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* As a counterpart to the access to the source code and rights to copy,
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* modify and redistribute granted by the license, users are provided only
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* with a limited warranty and the software's author, the holder of the
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* economic rights, and the successive licensors have only limited
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* liability.
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*
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* In this respect, the user's attention is drawn to the risks associated
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* with loading, using, modifying and/or developing or reproducing the
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* software by the user in light of its specific status of free software,
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* that may mean that it is complicated to manipulate, and that also
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* therefore means that it is reserved for developers and experienced
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* professionals having in-depth computer knowledge. Users are therefore
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* encouraged to load and test the software's suitability as regards their
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* requirements in conditions enabling the security of their systems and/or
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* data to be ensured and, more generally, to use and operate it in the
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* same conditions as regards security.
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*
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* The fact that you are presently reading this means that you have had
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* knowledge of the CeCILL license and that you accept its terms.
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*/
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#ifndef __SIMPLELIB_MBED_GLOBALS_H__
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#define __SIMPLELIB_MBED_GLOBALS_H__
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#include <LPC17xx.h>
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/* GLOBALS MACRO */
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#define GET_REGISTER8(reg) *(volatile uint8_t *)(reg)
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#define GET_REGISTER16(reg) *(volatile uint16_t *)(reg)
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#define GET_REGISTER32(reg) *(volatile uint32_t *)(reg)
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#define SET_REGISTER8(reg, val) *(uint8_t *)(reg)=(val)
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#define SET_REGISTER16(reg, val) *(uint16_t *)(reg)=(val)
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#define SET_REGISTER32(reg, val) *(uint32_t *)(reg)=(val)
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// See 34.3.2.5 p740
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#define BIT_BANDING_ADDRESS(reg, bit) (((reg) & 0xF0000000) | (0x02000000) | (((reg) & 0x000FFFFF) << 5) | ((bit) << 2))
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#define GET_BIT_ADDRESS(reg, bit) BIT_BANDING_ADDRESS(((uint32_t)&(reg)), (bit))
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#define GET_BIT_VALUE(reg, bit) GET_REGISTER32(GET_BIT_ADDRESS((reg), (bit)))
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#define SET_BIT_VALUE(reg, bit, value) SET_REGISTER32(GET_BIT_ADDRESS((reg), (bit)), (value))
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// Macro tools
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#define TOKENPASTE(x, y) x ## y
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#define TOKENPASTE2(x, y) TOKENPASTE(x, y)
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// Extern C
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#ifdef __cplusplus
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#define EXTERN_C extern "C"
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#else
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#define EXTERN_C
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#endif
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// Byte swap macros
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#define HTONS(x) (((((unsigned short)(x))>>8) & 0xff) | ((((unsigned short)(x)) & 0xff)<<8))
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#define NTOHS(x) (((((unsigned short)(x))>>8) & 0xff) | ((((unsigned short)(x)) & 0xff)<<8))
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#define HTONL(x) ((((x)>>24) & 0xffL) | (((x)>>8) & 0xff00L) | (((x)<<8) & 0xff0000L) | (((x)<<24) & 0xff000000L))
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#define NTOHL(x) ((((x)>>24) & 0xffL) | (((x)>>8) & 0xff00L) | (((x)<<8) & 0xff0000L) | (((x)<<24) & 0xff000000L))
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/** Constants **/
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// Peripheral Clock Selection register bit values (Table 42, p57)
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#define CCLK4 0U
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#define CCLK 1U
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#define CCLK2 2U
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#define CCLK8 3U
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#endif |
J.P. Armstrong