first
This commit is contained in:
488
apps/common/file_operate/file_bs_deal.c
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488
apps/common/file_operate/file_bs_deal.c
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@ -0,0 +1,488 @@
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/*
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*********************************************************************************************************
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* AC51
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* fs browser select
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* CODE
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*
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* (c) Copyright 2015-2016, ZHUHAI JIELI
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* All Rights Reserved
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*
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* File : *
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* By : jamin.li
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* DATE : 2015-10-15 build this file
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*********************************************************************************************************
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*/
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#include "file_bs_deal.h"
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#include "uart.h"
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#include "dev_manager.h"
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#define FILE_BS_OPT_DBG
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#ifdef FILE_BS_OPT_DBG
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#define file_bs_puts puts
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#define file_bs_printf printf
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#else
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#define file_bs_puts(...)
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#define file_bs_printf(...)
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#endif
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/*
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*********************************************************************************************************
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*
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* Description: 在指定数据中,搜索key(byte)的位置
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*
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* Arguments : buf - 指定数据起始地址, buf_len-长度, key-搜索的key,
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* find_type -搜索方向:0-从前往后搜索,1-从后往前搜索
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*
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* Returns : key的位置
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*
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* Note:
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*********************************************************************************************************
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*/
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//查找byte的位置
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static int find_byte_pos(u8 *buf, u16 buf_len, u8 key, u8 find_type)
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{
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u8 *data = buf;
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if (0 == find_type) {
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//从前往后找
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while (buf_len > 0) {
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if (*data == key) {
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return (int)(data - buf);
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}
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data++;
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buf_len--;
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}
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} else {
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//从后往前找
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data += (buf_len - 1);
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while (buf_len > 0) {
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if (*data == key) {
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return (int)(data - buf);
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}
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data--;
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buf_len--;
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}
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}
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return -1;
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}
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/*
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*********************************************************************************************************
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*
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* Description: 转化路径格式
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*
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* Arguments :
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*
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* Returns : 0-为成功，其他值 失败
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*
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* Note:
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*********************************************************************************************************
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*/
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int file_comm_change_file_path(char *dest, char *src)
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{
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u8 start_flag = 0, space_flag, val;
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while (1) {
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val = *src;
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if (val == '\0') {
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*dest = '\0';
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break;
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}
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switch (val) {
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case '/':
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if (start_flag != 0) {
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space_flag = 0;
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}
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start_flag++;
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*dest = val;
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break;
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case ' ':
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space_flag = 1;
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break;
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default:
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if (space_flag != 0) {
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*dest = '.';
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dest++;
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space_flag = 0;
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}
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*dest = val;
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break;
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}
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dest++;
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src++;
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}
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return 0;
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}
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/*
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*********************************************************************************************************
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*
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* Description: 修正从fs取等的长名
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*
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* Arguments : str,len
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*
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* Returns : 字节长度(不包含结束符)
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*
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* Note: 过滤0xffff值，自动填入结束符
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*********************************************************************************************************
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*/
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int file_comm_long_name_fix(u8 *str, u16 len)
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{
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u8 *src = str;
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while (len > 1) {
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if ((*str == 0xff) && (*(str + 1) == 0xff)) {
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break;
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}
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if ((*str == 0x0) && (*(str + 1) == 0x0)) {
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break;
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}
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str += 2;
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len -= 2;
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}
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*str = 0x00;
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*(str + 1) = 0x00;
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return (int)(str - src);
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}
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/*
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*********************************************************************************************************
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*
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* Description: 转换8+3名字显示
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*
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* Arguments : dest,src
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*
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* Returns : 转换后名字的长度(不包含结束符)
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*
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* Note: 转换后自动填入结束符
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*********************************************************************************************************
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*/
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int file_comm_display_83name(u8 *dest, u8 *src)
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{
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u8 offset;
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for (offset = 8; offset > 0; offset--) {
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if (src[offset - 1] != 0x20) {
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break;
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}
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}
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memcpy(dest, src, offset);
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if (src[8] != 0x20) {
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dest[offset++] = '.';
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memcpy(dest + offset, src + 8, 3);
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offset += 3;
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}
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dest[offset++] = '\0';
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return offset; //name 's len
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}
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/*
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*********************************************************************************************************
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*
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* Description: 获取显示的文件夹或文件名字
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*
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* Arguments :tpath,disp_file_name,disp_dir_name
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*
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* Returns :
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*
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* Note: 转换后 lfn_cnt 为0为短名，lfn_cnt不为0 则是长名
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*********************************************************************************************************
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*/
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void file_comm_change_display_name(char *tpath, LONG_FILE_NAME *disp_file_name, LONG_FILE_NAME *disp_dir_name)
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{
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u16 len;
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int pos;
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//取文件名字显示
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if (disp_file_name != NULL) {
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if (disp_file_name->lfn_cnt != 0) {
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//long name
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file_bs_puts("file long name \n");
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//printf_buf(disp_file_name->lfn, 16);
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disp_file_name->lfn_cnt = file_comm_long_name_fix((void *)disp_file_name->lfn, disp_file_name->lfn_cnt); //增加结束符
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} else {
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//short name
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file_bs_puts("file short name\n");
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len = strlen((void *)tpath); //增加结束符
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pos = find_byte_pos((void *)tpath, len, 0x2f, 1); //
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if (pos == -1) {
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strcpy(disp_file_name->lfn, "----");
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} else {
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memcpy((void *)&disp_file_name->lfn[32], tpath + pos + 1, 11);
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file_comm_display_83name((void *)disp_file_name->lfn, (void *)&disp_file_name->lfn[32]);
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}
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disp_file_name->lfn_cnt = 0;
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}
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//printf_buf(disp_file_name->lfn, 32);
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}
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//取文件夹名字显示
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if (disp_dir_name != NULL) {
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if (disp_dir_name->lfn_cnt != 0) {
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//long name
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file_bs_puts("folder long name \n");
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//printf_buf(disp_dir_name->lfn, 16);
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disp_dir_name->lfn_cnt = file_comm_long_name_fix((void *)&disp_dir_name->lfn, disp_dir_name->lfn_cnt); //增加结束符
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} else {
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//short name
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file_bs_puts("folder short name \n");
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len = strlen((void *)tpath); //增加结束符
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pos = find_byte_pos((void *)tpath, len, 0x2f, 1); //
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if (pos != -1) {
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pos = find_byte_pos((void *)tpath, pos, 0x2f, 1); //
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}
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if (pos == -1) {
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strcpy(disp_dir_name->lfn, "ROOT");
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} else {
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memcpy(&disp_dir_name->lfn[32], tpath + pos + 1, 11);
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file_comm_display_83name((void *)disp_dir_name->lfn, (void *)&disp_dir_name->lfn[32]);
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}
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disp_dir_name->lfn_cnt = 0;
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}
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//printf_buf(disp_dir_name->lfn, 32);
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}
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}
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/*
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*********************************************************************************************************
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*
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* Description: 打开文件浏览器
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*
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* Arguments : fil_bs
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*
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* Returns : dir的总数
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*
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* Note:
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*********************************************************************************************************
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*/
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//返回根目录dir总数
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u32 file_bs_open_handle(FILE_BS_DEAL *fil_bs, u8 *ext_name)
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{
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u32 total_dir;
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if (fil_bs == NULL) {
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puts("*open hdl is null\n");
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return 0;
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}
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file_bs_puts("open bs hdl\n");
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file_bs_printf("bs_mapi:0x%x\n", (int)fil_bs);
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if (ext_name == NULL) {
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ext_name = "MP3";//"WAVWMAMP3FLA";
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}
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printf("fil_bs->dev = %x\n", fil_bs->dev);
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printf("%s, %s, %s, %d\n]", dev_manager_get_root_path(fil_bs->dev), dev_manager_get_logo(fil_bs->dev), __FUNCTION__, __LINE__);
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fset_ext_type(dev_manager_get_root_path(fil_bs->dev), ext_name);
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printf("%s, %d\n]", __FUNCTION__, __LINE__);
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total_dir = fopen_dir_info(dev_manager_get_root_path(fil_bs->dev), &fil_bs->file, 0);
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printf("%s, %d\n]", __FUNCTION__, __LINE__);
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if (fil_bs->file == 0) {
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file_bs_puts("open bs fail\n");
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return 0;
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}
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file_bs_printf("open bs hdl_out,root_dir = 0x%x\n", total_dir);
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return total_dir;
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}
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/*
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*********************************************************************************************************
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*
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* Description: 关闭文件浏览器
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*
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* Arguments : fil_bs
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*
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* Returns :
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*
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* Note:
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*********************************************************************************************************
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*/
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void file_bs_close_handle(FILE_BS_DEAL *fil_bs)
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{
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file_bs_puts("close bs hdl\n");
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if (fil_bs->file) {
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fclose(fil_bs->file);
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fil_bs->file = NULL;
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}
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file_bs_puts("close bs hdl_out\n");
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}
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/*
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*********************************************************************************************************
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*
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* Description: 进入文件夹目录
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*
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* Arguments : fil_bs,dir_info
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*
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* Returns : dir的总数
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*
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* Note:
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*********************************************************************************************************
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*/
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u32 file_bs_entern_dir(FILE_BS_DEAL *fil_bs, FS_DIR_INFO *dir_info)
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{
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u32 total_dir;
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file_bs_printf("bs_enter dir\n");
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total_dir = fenter_dir_info(fil_bs->file, dir_info); //使用open获得的file，无需重新申请。
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file_bs_printf("bs_enter_out,t = 0x%x\n", total_dir);
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return total_dir;
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}
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/*
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*********************************************************************************************************
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*
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* Description: 返回上传目录
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*
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* Arguments : fil_bs
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*
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* Returns : dir的总数
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*
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* Note:
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*********************************************************************************************************
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*/
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u32 file_bs_exit_dir(FILE_BS_DEAL *fil_bs)
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{
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u32 total_dir;
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file_bs_printf("bs_exit dir\n");
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total_dir = fexit_dir_info(fil_bs->file);//
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file_bs_printf("bs_exit_out,total = 0x%x\n", total_dir);
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return total_dir;
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}
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/*
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*********************************************************************************************************
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*
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* Description: 获取指定位置的dir信息
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*
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* Arguments : fil_bs,buf--被填入的buf,start_sn -获取的其实位置（从1开始）,get_cnt--获取dir的个数
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*
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* Returns : 真正获取到的dir总数
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*
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* Note:
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*********************************************************************************************************
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*/
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u32 file_bs_get_dir_info(FILE_BS_DEAL *fil_bs, FS_DIR_INFO *buf, u16 start_sn, u16 get_cnt)
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{
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u32 real_dir;
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/* file_bs_printf("bs_get dir_info\n"); */
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real_dir = fget_dir_info(fil_bs->file, start_sn, get_cnt, buf);
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/* file_bs_printf("bs_get_out,t = 0x%x\n", real_dir); */
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return real_dir;
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}
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//////////////////////////////////////////////////////////////////////////
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// test
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#if 0
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#define BS_GET_DIR_NUM 3
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void file_bs_test(void)
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{
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printf("\n\n\n\n %s,%d, ", __func__, __LINE__);
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FS_DIR_INFO *dir_buf = zalloc(sizeof(FS_DIR_INFO) * BS_GET_DIR_NUM);
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FILE_BS_DEAL *fil_bs = zalloc(sizeof(FILE_BS_DEAL));
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if (!fil_bs || !dir_buf) {
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printf("%s,%d, ", __func__, __LINE__);
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printf("malloc err");
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while (1);
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}
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fil_bs->dev = storage_dev_last();
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if (!fil_bs->dev) {
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printf("%s,%d, ", __func__, __LINE__);
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printf("have no dev");
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while (1);
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}
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/* void *fmnt = mount(fil_bs->dev->dev_name, fil_bs->dev->storage_path, fil_bs->dev->fs_type, 3, NULL); */
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/* if (!fmnt) { */
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/* printf("%s,%d, ", __func__, __LINE__); */
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/* printf("mount err"); */
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/* while(1); */
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/* } */
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int i, j, cnt, total;
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file_bs_open_handle(fil_bs, "MP3");//open完后需要close
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/* printf("\n root dir num: %d ", total); */
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/* if (!total) { */
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/* printf("%s,%d, ", __func__, __LINE__); */
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/* printf("total dir is zero"); */
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/* goto __exit; */
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/* } */
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total = file_bs_entern_dir(fil_bs, dir_buf);
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/* printf("\n %s,%d, ", __func__, __LINE__); */
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/* printf("dir num: %d ", total); */
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if (!total) {
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printf("%s,%d, ", __func__, __LINE__);
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printf("total dir is zero");
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goto __exit;
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}
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u8 flag = 0;
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for (i = 1; i <= total; i += BS_GET_DIR_NUM) {
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__again:
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cnt = file_bs_get_dir_info(fil_bs, dir_buf, i, BS_GET_DIR_NUM);
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/* printf("\n cnt:%d ", cnt); */
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for (j = 0; j < cnt; j++) {
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/* printf("j:%d, dirtype:%d, fntype:%d, sclust:0x%x ", i + j, dir_buf[j].dir_type, dir_buf[j].fn_type, dir_buf[j].sclust); */
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if (dir_buf[j].dir_type == BS_DIR_TYPE_FORLDER) {
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if (flag < 2) {
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flag ++;
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if (flag == 2) {
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int sub_i, sub_j, sub_cnt, sub_total;
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sub_total = file_bs_entern_dir(fil_bs, &dir_buf[j]);
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/* printf("\n %s,%d, ", __func__, __LINE__); */
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/* printf("dir num: %d ", sub_total); */
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if (sub_total) {
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for (sub_i = 1; sub_i <= sub_total; sub_i += BS_GET_DIR_NUM) {
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sub_cnt = file_bs_get_dir_info(fil_bs, dir_buf, sub_i, BS_GET_DIR_NUM);
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/* printf("sub_cnt:%d ", sub_cnt); */
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for (sub_j = 0; sub_j < sub_cnt; sub_j++) {
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/* printf("sub_j:%d, dirtype:%d, fntype:%d, sclust:0x%x ", sub_i + sub_j, dir_buf[sub_j].dir_type, dir_buf[sub_j].fn_type, dir_buf[sub_j].sclust); */
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}
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}
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}
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file_bs_exit_dir(fil_bs);
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goto __again;
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}
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}
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}
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}
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}
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__exit:
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/* printf("\n %s,%d, \n ", __func__, __LINE__); */
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file_bs_close_handle(fil_bs);
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/* unmount(fil_bs->dev->storage_path); */
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free(dir_buf);
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free(fil_bs);
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}
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#endif
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Reference in New Issue
Block a user