OSAL.rar_OSAL纯净版_Osal

/****************************************************************************** Filename: OSAL_Nv.c Revised: $Date: 2014-12-19 13:07:30 -0800 (Fri, 19 Dec 2014) $ Revision: $Revision: 41556 $ Description: This module contains the OSAL non-volatile memory functions. Copyright 2006-2014 Texas Instruments Incorporated. All rights reserved. IMPORTANT: Your use of this Software is limited to those specific rights granted under the terms of a software license agreement between the user who downloaded the software, his/her employer (which must be your employer) and Texas Instruments Incorporated (the "License"). You may not use this Software unless you agree to abide by the terms of the License. The License limits your use, and you acknowledge, that the Software may not be modified, copied or distributed unless embedded on a Texas Instruments microcontroller or used solely and exclusively in conjunction with a Texas Instruments radio frequency transceiver, which is integrated into your product. Other than for the foregoing purpose, you may not use, reproduce, copy, prepare derivative works of, modify, distribute, perform, display or sell this Software and/or its documentation for any purpose. YOU FURTHER ACKNOWLEDGE AND AGREE THAT THE SOFTWARE AND DOCUMENTATION ARE PROVIDED �AS IS� WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY, TITLE, NON-INFRINGEMENT AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL TEXAS INSTRUMENTS OR ITS LICENSORS BE LIABLE OR OBLIGATED UNDER CONTRACT, NEGLIGENCE, STRICT LIABILITY, CONTRIBUTION, BREACH OF WARRANTY, OR OTHER LEGAL EQUITABLE THEORY ANY DIRECT OR INDIRECT DAMAGES OR EXPENSES INCLUDING BUT NOT LIMITED TO ANY INCIDENTAL, SPECIAL, INDIRECT, PUNITIVE OR CONSEQUENTIAL DAMAGES, LOST PROFITS OR LOST DATA, COST OF PROCUREMENT OF SUBSTITUTE GOODS, TECHNOLOGY, SERVICES, OR ANY CLAIMS BY THIRD PARTIES (INCLUDING BUT NOT LIMITED TO ANY DEFENSE THEREOF), OR OTHER SIMILAR COSTS. Should you have any questions regarding your right to use this Software, contact Texas Instruments Incorporated at www.TI.com. ******************************************************************************/ /****************************************************************************** Notes: - A trick buried deep in initPage() requires that the MSB of the NV Item Id is to be reserved for use by this module. ******************************************************************************/ /********************************************************************* * INCLUDES */ #include "hal_adc.h" #include "hal_flash.h" #include "hal_types.h" #include "OSAL_Nv.h" #include "ZComDef.h" #ifdef HAL_MCU_CC2533 #include "hal_batmon.h" #endif #include "OnBoard.h" /********************************************************************* * CONSTANTS */ #define OSAL_NV_PAGE_SIZE HAL_FLASH_PAGE_SIZE #define OSAL_NV_PAGES_USED HAL_NV_PAGE_CNT #define OSAL_NV_PAGE_BEG HAL_NV_PAGE_BEG #define OSAL_NV_PAGE_END (OSAL_NV_PAGE_BEG + OSAL_NV_PAGES_USED - 1) #define OSAL_NV_ACTIVE 0x00 #define OSAL_NV_ERASED 0xFF #define OSAL_NV_ERASED_ID 0xFFFF #define OSAL_NV_ZEROED_ID 0x0000 // Reserve MSB of Id to signal a search for the "old" source copy (new write interrupted/failed.) #define OSAL_NV_SOURCE_ID 0x8000 // In case pages 0-1 are ever used, define a null page value. #define OSAL_NV_PAGE_NULL 0 // In case item Id 0 is ever used, define a null item value. #define OSAL_NV_ITEM_NULL 0 #define OSAL_NV_WORD_SIZE HAL_FLASH_WORD_SIZE #define OSAL_NV_PAGE_HDR_OFFSET 0 #define OSAL_NV_MAX_HOT 3 static const uint16 hotIds[OSAL_NV_MAX_HOT] = { ZCD_NV_NWKKEY, ZCD_NV_NWK_ACTIVE_KEY_INFO, ZCD_NV_NWK_ALTERN_KEY_INFO, }; /********************************************************************* * MACROS */ #if (defined HAL_MCU_CC2530 || defined HAL_MCU_CC2531) #define OSAL_NV_CHECK_BUS_VOLTAGE OnBoard_CheckVoltage() #elif defined HAL_MCU_CC2533 # define OSAL_NV_CHECK_BUS_VOLTAGE (HalBatMonRead( HAL_BATMON_MIN_FLASH )) #else # warning No implementation of a low Vdd check. # define OSAL_NV_CHECK_BUS_VOLTAGE #endif #define OSAL_NV_DATA_SIZE( LEN ) \ (((LEN) >= ((uint16)(65536UL - OSAL_NV_WORD_SIZE))) ? \ ((uint16)(65536UL - OSAL_NV_WORD_SIZE)) : \ ((((LEN) + OSAL_NV_WORD_SIZE - 1) / OSAL_NV_WORD_SIZE) * OSAL_NV_WORD_SIZE)) #define OSAL_NV_ITEM_SIZE( LEN ) \ (((LEN) >= ((uint16)(65536UL - OSAL_NV_WORD_SIZE - OSAL_NV_HDR_SIZE))) ? \ ((uint16)(65536UL - OSAL_NV_WORD_SIZE)) : \ (((((LEN) + OSAL_NV_WORD_SIZE - 1) / OSAL_NV_WORD_SIZE) * OSAL_NV_WORD_SIZE) + OSAL_NV_HDR_SIZE)) #define COMPACT_PAGE_CLEANUP( COM_PG ) st ( \ /* In order to recover from a page compaction that is interrupted,\ * the logic in osal_nv_init() depends upon the following order:\ * 1. State of the target of compaction is changed to ePgInUse.\ * 2. Compacted page is erased.\ */\ setPageUse( pgRes, TRUE ); /* Mark the reserve page as being in use. */\ erasePage( (COM_PG) ); \ \ pgRes = (COM_PG); /* Set the reserve page to be the newly erased page. */\ ) /********************************************************************* * TYPEDEFS */ typedef struct { uint16 id; uint16 len; // Enforce Flash-WORD size on len. uint16 chk; // Byte-wise checksum of the 'len' data bytes of the item. uint16 stat; // Item status. } osalNvHdr_t; // Struct member offsets. #define OSAL_NV_HDR_ID 0 #define OSAL_NV_HDR_LEN 2 #define OSAL_NV_HDR_CHK 4 #define OSAL_NV_HDR_STAT 6 #define OSAL_NV_HDR_ITEM 2 // Length of any item of a header struct. #define OSAL_NV_HDR_SIZE 8 #define OSAL_NV_HDR_HALF (OSAL_NV_HDR_SIZE / 2) typedef struct { uint16 active; uint16 inUse; uint16 xfer; uint16 spare; } osalNvPgHdr_t; // Struct member offsets. #define OSAL_NV_PG_ACTIVE 0 #define OSAL_NV_PG_INUSE 2 #define OSAL_NV_PG_XFER 4 #define OSAL_NV_PG_SPARE 6 #define OSAL_NV_PAGE_HDR_SIZE 8 #define OSAL_NV_PAGE_HDR_HALF (OSAL_NV_PAGE_HDR_SIZE / 2) typedef enum { eNvXfer, eNvZero } eNvHdrEnum; typedef enum { ePgActive, ePgInUse, ePgXfer, ePgSpare } ePgHdrEnum; /********************************************************************* * GLOBAL VARIABLES */ #ifndef OAD_KEEP_NV_PAGES // When NV pages are to remain intact during OAD download, // the image itself should not include NV pages. #pragma location="ZIGNV_ADDRESS_SPACE" __no_init uint8 _nvBuf[OSAL_NV_PAGES_USED * OSAL_NV_PAGE_SIZE]; #pragma required=_nvBuf #endif // OAD_KEEP_NV_PAGES /********************************************************************* * LOCAL VARIABLES */ // Offset into the page of the first available erased space. static uint16 pgOff[OSAL_NV_PAGES_USED]; // Count of the bytes lost for the zeroed-out items. static uint16 pgLost[OSAL_NV_PAGES_USED]; static uint8 pgRes; // Page reserved for item compacting transfer. // Saving ~100 code bytes to move a uint8* parameter/return value from findItem() to a global. static uint8 findPg; // NV page and offsets for hot items. static uint8 hotPg[OSAL_NV_MAX_HOT]; static uint16 hotOff[OSAL_NV_MAX_HOT]; /********************************************************************* * LOCAL FUNCTIONS */ static uint8 initNV( void ); static void setPageUse( uint8 pg, uint8 inUse ); static uint16 initPage( uint8 pg, uint16 id, uint8 findDups ); static void erasePage( uint8 pg ); static uint8 compactPage( uint8 srcPg, uint16 skipId ); static uint16 findItem( ui