mirror of
https://github.com/oopuuu/zTC1.git
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410 lines
9.9 KiB
C
410 lines
9.9 KiB
C
/////////////////////////////////////////////////////////////////////////
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// Mountain View Silicon Tech. Inc.
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// Copyright 2012, Mountain View Silicon Tech. Inc.,ShangHai,China
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// All rights reserved
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// Filename:presearch.c
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/////////////////////////////////////////////////////////////////////////
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//#include "app_config.h"
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#include "dev_detect_driver.h"
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#include "fs_config.h"
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#include "folder.h"
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#include "fat_file.h"
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#include "fsinfo.h"
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#include "dir.h"
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#include "fsmount_buffermanager.h"
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#include "fs_mount.h"
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#include "fs_sync.h"
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#include "fs_filesort.h"
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#include "partition.h"
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#include "breakpoint.h"
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#include "Debug.h"
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#define INDEPEND_FREERTOS
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#ifndef INDEPEND_FREERTOS
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#include "os.h"
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#endif
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#define FUNC_SPI_UPDATE_EN
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#ifdef FUNC_SPI_UPDATE_EN
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uint8_t UpgradeFileFound = 0xFF;
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#endif// FUNC_SPI_UPDATE_EN
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static bool fs_inited_flag = 0;
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#ifndef INDEPEND_FREERTOS
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SEMAPHORE Sync; // Identifier of sync object
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#endif
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#define FS_DBG(M, ...)
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uint8_t FsSyncInit(void* FsContext)
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{
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#ifndef INDEPEND_FREERTOS
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if(FsContext)
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{
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SEMA_INIT(Sync, 1)
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return 1;
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}
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#endif
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return 0;
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}
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void FsLock(void* FsContext)
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{
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#ifndef INDEPEND_FREERTOS
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if(FsContext)
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{
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OSDOWN(Sync);
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}
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#endif
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}
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void FsUnLock(void* FsContext)
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{
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#ifndef INDEPEND_FREERTOS
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if(FsContext)
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{
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OSUP(Sync);
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}
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#endif
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}
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////////////////////////////////////////////////////////////////
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//
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//寻找有特定扩展名的文件
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//
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void FindSpecialFileCallBack(FS_CONTEXT* FsContext)
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{
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#ifdef FUNC_SPI_UPDATE_EN //注：升级文件相关，勿改
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//检查是否为SPI FLASH升级文件：*.MVA
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//只检查根目录
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if((FsContext->gFsInfo.FolderSum == 1) && (UpgradeFileFound != 1)) //只搜索根目录是否有升级文件，注释这句则全盘搜索
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{
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if(memcmp(FsContext->gCurrentEntry->ExtName, "MVA", 3) == 0)
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{
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UpgradeFileFound = 1;
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}
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}
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#endif
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//以下为demo,可改。搜索到每个文件都会Call一次
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#if 0 //demo
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// 如果想获取特点文件Handle 则需定义全局变量如：FAT_FILE SpecialFile；
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if(FsContext->gFsInfo.FolderSum == 1) //只搜索根目录是否有特定扩展名的文件，注释这句则全盘搜索
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{
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if(memcmp(FsContext->gCurrentEntry->ExtName, "XYZ", 3) == 0)
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{
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FileGetInfo(&SpecialFile); //找到特定文件，获取到了SpecialFile信息。
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}
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}
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#endif
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}
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////////////////////////////////////////////////////////////////
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//判断文件的类型，由文件系统底层调用
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uint8_t FileGetType(FS_CONTEXT* FsContext)
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{
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uint8_t ExtFileName[3];
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ExtFileName[0] = FsContext->gCurrentEntry->ExtName[0];
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ExtFileName[1] = FsContext->gCurrentEntry->ExtName[1];
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ExtFileName[2] = FsContext->gCurrentEntry->ExtName[2];
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if((ExtFileName[0] == 'M') && (ExtFileName[1] == 'P') && (ExtFileName[2] == '3' || ExtFileName[2] == '2'))
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{
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return FILE_TYPE_MP3;
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}
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else if((ExtFileName[0] == 'W') && (ExtFileName[1] == 'M') && (ExtFileName[2] == 'A'))
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{
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return FILE_TYPE_WMA;
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}
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else if((ExtFileName[0] == 'A') && (ExtFileName[1] == 'S') && (ExtFileName[2] == 'F'))
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{
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return FILE_TYPE_WMA;
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}
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else if((ExtFileName[0] == 'W') && (ExtFileName[1] == 'M') && (ExtFileName[2] == 'V'))
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{
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return FILE_TYPE_WMA;
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}
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else if((ExtFileName[0] == 'A') && (ExtFileName[1] == 'S') && (ExtFileName[2] == 'X'))
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{
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return FILE_TYPE_WMA;
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}
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else if((ExtFileName[0] == 'W') && (ExtFileName[1] == 'A') && (ExtFileName[2] == 'V'))
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{
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return FILE_TYPE_WAV;
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}
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else if((ExtFileName[0] == 'S') && (ExtFileName[1] == 'B') && (ExtFileName[2] == 'C'))
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{
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return FILE_TYPE_SBC;
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}
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else if((ExtFileName[0] == 'F') && (ExtFileName[1] == 'L') && (ExtFileName[2] == 'A'))
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{
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return FILE_TYPE_FLAC;
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}
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else if(((ExtFileName[0] == 'A') && (ExtFileName[1] == 'A') && ExtFileName[2] == 'C')
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|| ((ExtFileName[0] == 'M') && (ExtFileName[1] == 'P') && ExtFileName[2] == '4')
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|| ((ExtFileName[0] == 'M') && (ExtFileName[1] == '4') && ExtFileName[2] == 'A'))
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{
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return FILE_TYPE_AAC;
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}
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else if((ExtFileName[0] == 'A') && (ExtFileName[1] == 'I') && (ExtFileName[2] == 'F'))
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{
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return FILE_TYPE_AIF;
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}
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else
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{
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return FILE_TYPE_UNKNOWN;
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}
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}
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// 获取FS扫描后与播放模式断点信息相匹配的文件、文件夹ID号
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#ifdef FUNC_MATCH_PLAYER_BP
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static PLAYER_BP_RET sPlayerBPRet = {-1, 1, 1};
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// 获取播放断点匹配信息，应该在FS初始化成功后调用
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PLAYER_BP_RET* GetMatchPlayerBPRet(void)
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{
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return &sPlayerBPRet;
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}
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void SetMatchPlayerBPRet(int8_t BPIndex, uint16_t FileId, uint16_t FolderId)
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{
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sPlayerBPRet.BPIndex = BPIndex;
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sPlayerBPRet.FileId = FileId;
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sPlayerBPRet.FolderId = FolderId;
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}
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#endif
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//
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//统计文件和文件夹总数
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//
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bool PreSearch(FS_CONTEXT* FsContext)
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{
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ENTRY_TYPE EntryType;
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#ifdef FUNC_MATCH_PLAYER_BP
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sPlayerBPRet.BPIndex = -1;
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#endif
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FS_DBG("PreSearch start!\n");
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#ifdef FUNC_SPI_UPDATE_EN
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UpgradeFileFound = 0;
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#endif
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DirSetStartEntry(FsContext, FsContext->gFsInfo.RootStart, 0, TRUE);
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FSINFO_Init(FsContext);
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FsContext->gFolderDirStart = FsContext->gFsInfo.RootStart;
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while(1)
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{
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EntryType = (ENTRY_TYPE)DirGetNextEntry(FsContext);
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//FS_DBG("fcount:%d\n",++fcount);
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if(FsContext->gEntryOffset == 0)
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{
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FSINFO_SaveFdi(FsContext);
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}
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switch(EntryType)
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{
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case ENTRY_FILE: //是歌曲
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//FS_DBG("fcount:%d\n",++fcount);
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if(FileGetType(FsContext) != FILE_TYPE_UNKNOWN)
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{
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//FS_DBG("找到歌曲：%-.8s%-.3s\n", &FsContext->gCurrentEntry->FileName[0], &FsContext->gCurrentEntry->FileName[8]);
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if(FsContext->gFsInfo.FileSum >= 65535)
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{
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return TRUE;
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}
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FsContext->gFsInfo.FileSum++;
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FsContext->gFsInfo.FileSumInFolder++;
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//FS_DBG("Find a audio file:%d!\n", fcount);
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#if FS_FILE_SORT_EN == 1
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FileSortSearchNewFile(FsContext);
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#endif
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}
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FindSpecialFileCallBack(FsContext);
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break;
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case ENTRY_FOLDER: //是文件夹，下次循环不会进入这个文件夹内
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FsContext->gFsInfo.FolderNumInFolder++;
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//FS_DBG("ENTRY_FOLDER: %d\n", FsContext->gFsInfo.FolderNumInFolder);
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break;
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case ENTRY_END: //返回上一级文件夹，调整之前记录的部分节点
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FSINFO_ChangeFileNum(FsContext);
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//记录根文件夹中的文件个数
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if(FsContext->gFsInfo.FolderSum == 1)
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{
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FsContext->gFsInfo.RootFileSum = FsContext->gFsInfo.FileSum;
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}
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//回到当前文件夹的开头位置
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//FS_DBG("开始查找下一个文件夹的位置！\n");
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RewindFolderStart(FsContext);
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//从当前位置，在整个文件系统中寻找下一个文件夹
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if(!FindNextFolder(FsContext))
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{
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//FS_DBG("PreSearch end! %d ms \n", (uint16_t)PastTimeGet(&Timer));
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#if FS_FILE_SORT_EN == 1
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FileSortSearchEnd(FsContext);
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#endif
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return TRUE;
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}
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else //进入下一个文件夹成功
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{
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//FS_DBG("Into Next Folder%8s\n", &FsContext->gCurrentEntry->FileName[0]);
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if(FsContext->gFsInfo.FolderSum >= 65535)
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{
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#if FS_FILE_SORT_EN == 1
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FileSortSearchEnd(FsContext);
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#endif
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return TRUE;
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}
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FsContext->gFsInfo.FolderSum++;
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FsContext->gFsInfo.FolderNumInFolder = 0;
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FsContext->gFsInfo.FileSumInFolder = 0;
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if(!DirEnterSonFolder(FsContext))
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{
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//FS_DBG("进入子文件夹失败！\n");
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FsContext->gFsInfo.FolderSum--;
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}
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//FS_DBG("进入子文件夹成功！\n");
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}
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break;
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default:
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break;
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}
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}
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}
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//
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//文件系统初始化，分析分区表，预搜索统计文件系统有关信息.
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//
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bool FSInit(uint8_t DeviceID)
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{
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//get fs memory
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FS_CONTEXT* Fs_Context;
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Fs_Context = gFSContextBufferManager.pfnAllocFSContextBuffer(&gFSContextBufferManager.FSContextBuffer, DeviceID);
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if(Fs_Context == NULL)
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{
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return FALSE;
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}
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ENTER_FAT(Fs_Context);
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if(!CheckAllDiskLinkFlag())
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{
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FS_DBG("disk not ready!\n");
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LEAVE_FAT(Fs_Context, FALSE);
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}
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if(Fs_Context->gPreSearchStatus != PRESEARCH_STATUS_NONE)
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{
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FS_DBG("Mount Already\n");
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LEAVE_FAT(Fs_Context, TRUE);
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}
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Fs_Context->gPreSearchStatus = PRESEARCH_STATUS_SEARCHING;
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if(Fs_Context == 0 || FsGetAvailableLogicId() < 0)
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{
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LEAVE_FAT(Fs_Context, FALSE);
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}
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//mount fs
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FsMount(FsGetAvailableLogicId(), Fs_Context);
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FsGetCurContext()->gFsInfo.DevID = (DEV_ID)DeviceID;
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FsGetCurContext()->gFsInfo.CurrFATSecNum = -1;
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//FsGetCurContext()->gFsInfo.CurrDirSecNum = -1;
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FsGetCurContext()->gCurFreeClusNum = 2;
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if(!PartitionLoad(FsGetCurContext(), 0))
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{
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FS_DBG("PartitionLoad() error!\n");
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//return FALSE;
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FsMount(FsGetLogicIdByDeviceType(DeviceID), 0);
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gFSContextBufferManager.pfnFreeFSContextBuffer(&gFSContextBufferManager.FSContextBuffer, DeviceID);
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Fs_Context->gPreSearchStatus = PRESEARCH_STATUS_NONE;
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LEAVE_FAT(Fs_Context, FALSE);
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}
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FS_DBG("PartitionLoad() OK!\n");
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// {
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// if(!PreSearch(FsGetCurContext()))
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// {
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// FS_DBG("PreSearch() error!\n");
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// //return FALSE;
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// LEAVE_FAT(Fs_Context, FALSE);
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// }
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// //end = OSSysTickGet();
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// //FS_DBG("PreSearch() End:%d\n", end - begin);
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// }
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// Fs_Context->gPreSearchStatus = PRESEARCH_STATUS_SEARCHED;
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// FS_DBG("PreSearch() OK\n");
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// FS_DBG("Song sum in disk: %d\n", FsGetCurContext()->gFsInfo.FileSum);
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// FS_DBG("Folder sum in disk: %d\n", FsGetCurContext()->gFsInfo.FolderSum);
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// FS_DBG("Valid folder sum in disk: %d\n", FsGetCurContext()->gFsInfo.ValidFolderSum);
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// FS_DBG("***********************************************\n");
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// FS_DBG("\n");
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//return TRUE;
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LEAVE_FAT(Fs_Context, TRUE);
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// fs_inited_flag = TRUE;
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}
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//
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//文件系统去初始化
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//
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bool FSDeInit(uint8_t DeviceID)
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{
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bool res = FALSE;
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int8_t LogicId = FsGetLogicIdByDeviceType(DeviceID);
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FS_CONTEXT* Fs_Context = FsGetContextByDeviceType(DeviceID);
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#ifdef FUNC_MATCH_PLAYER_BP
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// sPlayerBPRet.BPIndex = -1;
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#endif
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ENTER_FAT(Fs_Context);
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if(LogicId >= 0)
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{
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FsMount(LogicId, 0);
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res = gFSContextBufferManager.pfnFreeFSContextBuffer(&gFSContextBufferManager.FSContextBuffer, DeviceID);
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}
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//return res;
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LEAVE_FAT(Fs_Context, res);
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// fs_inited_flag = FALSE;
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}
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bool IsFsInited(void)
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{
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return fs_inited_flag;
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}
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