PDL for FM0+  Version1.0
Peripheral Driverl Library for FM0+
C:/pdl_v10/library/driver/uid/uid.c
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00001 /*******************************************************************************
00002 * Copyright (C) 2013 Spansion LLC. All Rights Reserved. 
00003 *
00004 * This software is owned and published by: 
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00006 *
00007 * BY DOWNLOADING, INSTALLING OR USING THIS SOFTWARE, YOU AGREE TO BE BOUND 
00008 * BY ALL THE TERMS AND CONDITIONS OF THIS AGREEMENT.
00009 *
00010 * This software contains source code for use with Spansion 
00011 * components. This software is licensed by Spansion to be adapted only 
00012 * for use in systems utilizing Spansion components. Spansion shall not be 
00013 * responsible for misuse or illegal use of this software for devices not 
00014 * supported herein.  Spansion is providing this software "AS IS" and will 
00015 * not be responsible for issues arising from incorrect user implementation 
00016 * of the software.  
00017 *
00018 * SPANSION MAKES NO WARRANTY, EXPRESS OR IMPLIED, ARISING BY LAW OR OTHERWISE,
00019 * REGARDING THE SOFTWARE (INCLUDING ANY ACOOMPANYING WRITTEN MATERIALS), 
00020 * ITS PERFORMANCE OR SUITABILITY FOR YOUR INTENDED USE, INCLUDING, 
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00035 *
00036 * This software may be replicated in part or whole for the licensed use, 
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00040 */
00041 /******************************************************************************/
00052 /******************************************************************************/
00053 /* Include files                                                              */
00054 /******************************************************************************/
00055 #include "uid.h"
00056 
00057 #if (defined(PDL_PERIPHERAL_UID_ACTIVE))
00058 
00064 
00065 /******************************************************************************/
00066 /* Local pre-processor symbols/macros ('#define')                             */
00067 /******************************************************************************/
00068 
00069 /******************************************************************************/
00070 /* Global variable definitions (declared in header file with 'extern')        */
00071 /******************************************************************************/
00072 
00073 /******************************************************************************/
00074 /* Local type definitions ('typedef')                                         */
00075 /******************************************************************************/
00076 
00077 /******************************************************************************/
00078 /* Local function prototypes ('static')                                       */
00079 /******************************************************************************/
00080 
00081 /******************************************************************************/
00082 /* Local variable definitions ('static')                                      */
00083 /******************************************************************************/
00084 
00085 /******************************************************************************/
00086 /* Function implementation - global ('extern') and local ('static')           */
00087 /******************************************************************************/
00088 
00102 en_result_t Uid_ReadUniqueId(stc_unique_id_t *pstcUniqueId)
00103 {
00104   if (NULL == pstcUniqueId)
00105   {
00106     return ErrorInvalidParameter;
00107   }
00108   
00109   pstcUniqueId->u32Uidr0 = (0xFFFFFFF0u & (FM0P_UNIQUE_ID->UIDR0));
00110   pstcUniqueId->u32Uidr1 = (0x00001FFFu & (FM0P_UNIQUE_ID->UIDR1));
00111   
00112   return Ok;
00113 }
00114    
00124 uint32_t Uid_ReadUniqueId0(void)
00125 {
00126   return ((FM0P_UNIQUE_ID->UIDR0) >> 4u);
00127 }
00128 
00137 uint32_t Uid_ReadUniqueId1(void)
00138 {
00139   return ((FM0P_UNIQUE_ID->UIDR1) & 0x00001FFFu);
00140 }
00141 
00149 uint64_t Uid_ReadUniqueId64(void)
00150 {
00151   uint64_t u64UniqueIdMsw;
00152   
00153   // Left shift by 60 bit in two steps
00154   u64UniqueIdMsw = (((FM0P_UNIQUE_ID->UIDR1) & 0x00001FFFul) << 16ul);
00155   u64UniqueIdMsw <<= 12ul;
00156   
00157   u64UniqueIdMsw |= ((FM0P_UNIQUE_ID->UIDR0) >> 4ul);
00158   return u64UniqueIdMsw;
00159 }
00160 
00162 
00163 #endif // #if (defined(PDL_PERIPHERAL_UID_ACTIVE))
00164 
00165 /******************************************************************************/
00166 /* EOF (not truncated)                                                        */
00167 /******************************************************************************/