diff --git a/applications/TODO.md b/applications/TODO.md
index 6e0c2d1..2e17235 100644
--- a/applications/TODO.md
+++ b/applications/TODO.md
@@ -1,2 +1,3 @@
 --解决关闭TT时异常重启的问题
+--文件上传
 --配置文件更新，配置上传下载
\ No newline at end of file
diff --git a/applications/_main.c b/applications/_main.c
index 5326080..28e841b 100644
--- a/applications/_main.c
+++ b/applications/_main.c
@@ -47,7 +47,8 @@ SYS_CFG scfg={
         .maxTTRetryCnt = 3,
         .minTTPeriCnt=5,
         .minTTsinal=5,
-        .timeout=5
+        .timeout=5,
+        .maxSizePerFile=1024
 };
 
 
@@ -69,6 +70,7 @@ static void updatecfg(void)
             scfg.minTTPeriCnt = get_cfg("minTTPeriCnt");
             scfg.minTTsinal = get_cfg("minTTsinal");
             scfg.timeout = get_cfg("timeout");
+            scfg.maxSizePerFile = get_cfg("maxSizePerFile");
         }
         LOG_D("cfg updated.");
     }
@@ -290,7 +292,7 @@ void resetTM()
         return;
     }
 
-    rt_tick_t t= 10*1000;//rt_tick_from_millisecond(scfg.timeout*60*1000);
+    rt_tick_t t= rt_tick_from_millisecond(scfg.timeout*60*1000);
     rt_timer_control(tmrToPNTT, RT_TIMER_CTRL_SET_TIME,(void*) &t);
     rt_timer_stop(tmrToPNTT);
     rt_timer_start(tmrToPNTT);
@@ -408,7 +410,7 @@ void initTT()
     }
 
     /* 创建 serial 线程 */
-    thread = rt_thread_create("deInitTT", deInitTT_thread_entry, RT_NULL, 1024 * 2, 30, 10);
+    thread = rt_thread_create("deInitTT", deInitTT_thread_entry, RT_NULL, 1024 * 2, 19, 10);
     /* 创建成功则启动线程 */
     if (thread != RT_NULL)
     {
diff --git a/applications/cfg.c b/applications/cfg.c
index 770aa4b..889b235 100644
--- a/applications/cfg.c
+++ b/applications/cfg.c
@@ -11,7 +11,8 @@
 #include "minIni.h"
 
 #ifdef PKG_USING_MININI
-#define LJW_CFG_FILE_NAME "/sd/cfg.ini"
+#define LJW_CFG_FILE_NAME "/cfg.ini"
+#define FILE_TO_SEND "/sd/tosend.ini"//避免读写出错造成系统配置文件丢失
 
 #define LOG_TAG "cfg"
 #define LOG_LVL  LOG_LVL_DBG
@@ -20,23 +21,54 @@
 
 #include "cfg.h"
 
+static uint8_t islock=0;
+static void setLock()
+{
+    while(islock)
+    {
+        rt_thread_mdelay(1000);
+    }
+    islock=1;
+}
+static void clearLock()
+{
+    islock=0;
+}
 extern rt_sem_t cfgUpdate;
-//extern struct rt_messagequeue update_cfg;//main线程
 
-//struct rt_event update_cfg;
-//void iniEvent(void)
-//{
-//    /* 事 件 控 制 块 */
-//
-//        rt_err_t result = rt_event_init(&update_cfg, "cfg", RT_IPC_FLAG_FIFO);
-//        if (result != RT_EOK)
-//        {
-//            LOG_E("init event failed.\n");
-////        return -1;
-//        }
-//}
+static struct rt_messagequeue upfilelist;
+typedef struct
+{
+    char msg[60];
+    uint8_t index;
+}FILE_INFO;
+static uint8_t msg_pool[512] ;
+void addToList_thread_entry(void *parameter);
+static void iniUFMsg(void)
+{
+    /* 初始化消息队列 */
+    rt_mq_init(&upfilelist, "updatelist",
+               msg_pool,                 /* 存放消息的缓冲区 */
+               sizeof(FILE_INFO),    /* 一条消息的最大长度 */
+               sizeof(msg_pool),         /* 存放消息的缓冲区大小 */
+               RT_IPC_FLAG_FIFO);        /* 如果有多个线程等待，按照先来先得到的方法分配消息 */
+
+    /* 创建 serial 线程 */
+        rt_thread_t thread = rt_thread_create("filelist", addToList_thread_entry, RT_NULL, 1024*3, 30-2, 10);
+        /* 创建成功则启动线程 */
+        if (thread != RT_NULL)
+        {
+            rt_thread_startup(thread);
+        }
+        else
+        {
+            LOG_E("thread 'updatelist' create failure.");
+        }
+
+
+}
 /* 导出到自动初始化 */
-//INIT_COMPONENT_EXPORT(iniEvent);
+INIT_COMPONENT_EXPORT(iniUFMsg);
 
 /**
  * 设置config项
@@ -47,6 +79,8 @@ extern rt_sem_t cfgUpdate;
  */
 int set_cfg(const char *k, const char*v)
 {
+    setLock();
+
     if (rt_strcmp(v,"NULL") == 0) {//delete key
         v = NULL;
     }
@@ -62,11 +96,14 @@ int set_cfg(const char *k, const char*v)
     else {
         LOG_E("set value fault.");
     }
+
+    clearLock();
     return rst;
 }
 
 int get_cfg(const char *k)
 {
+    setLock();
 //    char buf[MAX_KEY_LEN];
 //    int rst =  ini_gets("config",k,"000000",buf,MAX_KEY_LEN,LJW_CFG_FILE_NAME);
 //    if(strcmp(buf, "000000") == 0) {
@@ -74,16 +111,18 @@ int get_cfg(const char *k)
     int rst = ini_getl("config", k, -1, LJW_CFG_FILE_NAME);
     if (rst == -1) {
         LOG_W("no such KEY:%s",k);
+        clearLock();
         return -RT_ERROR;
     }
     else {
 //        LOG_I("%s = %s",k,buf);
 //        LOG_I("%s = %d",k,rst);
     }
+    clearLock();
     return rst;
 }
 
-void get_cfg_all(void)
+static void get_cfg_all(void)
 {
     char buf[MAX_KEY_LEN];
     char kstr[MAX_KEY_LEN];
@@ -99,7 +138,7 @@ void get_cfg_all(void)
 
 
 
-void cfg(int argc, char ** argv)
+static void cfg(int argc, char ** argv)
 {
     if (argc == 1) {//无键无值，遍历
             get_cfg_all();
@@ -132,24 +171,30 @@ MSH_CMD_EXPORT(cfg, config params. 配置系统参数，支持参数)
  */
 long get_val(const char *k)
 {
+    setLock();
     long v= ini_getl("stats", k, -1, LJW_CFG_FILE_NAME);
     if( v == -1)
     {
         LOG_W("no such KEY:%s",k);
+        clearLock();
         return -RT_ERROR;
     }
     else {
+        clearLock();
         return v;
     }
 }
 
 int set_val(const char *k, long v)
 {
+    setLock();
     if(!ini_putl("stats",k,v,LJW_CFG_FILE_NAME))
     {
         LOG_E("write %s error.",k);
+        clearLock();
         return -RT_ERROR;
     }
+    clearLock();
     return RT_EOK;
 }
 
@@ -160,6 +205,7 @@ int set_val(const char *k, long v)
  */
 int add_val(const char *k)
 {
+//    setLock();
     long ori = get_val(k);
     rt_thread_mdelay(100);
     if (ori != -1) {
@@ -170,6 +216,7 @@ int add_val(const char *k)
     else {
         return ori;
     }
+//    clearLock();
 }
 static void get_sta(const char *k)
 {
@@ -179,7 +226,7 @@ static void get_sta(const char *k)
     }
 }
 
-void sta(int argc, char ** argv)
+static void sta(int argc, char ** argv)
 {
     if (argc == 1)
     { //无键无值，遍历
@@ -209,7 +256,19 @@ static void clear_sta(void)
 }
 MSH_CMD_EXPORT_ALIAS(clear_sta,clsSta, 重置系统统计数据)
 
-
+static uint8_t nislock=0;
+static void nsetLock()
+{
+    while(nislock)
+    {
+        rt_thread_mdelay(1000);
+    }
+    nislock=1;
+}
+static void nclearLock()
+{
+    nislock=0;
+}
 /**
  * 添加文件到待发列表，指定待发包
  * @param f
@@ -218,11 +277,16 @@ MSH_CMD_EXPORT_ALIAS(clear_sta,clsSta, 重置系统统计数据)
  */
 int setFileToSend(const char *f, int v)
 {
-    int rst =  ini_putl(SECTION_TO_SEND, f, v, LJW_CFG_FILE_NAME);
+    nsetLock();
+
+    int rst =  ini_putl(SECTION_TO_SEND, f, v, FILE_TO_SEND);
     if (!rst) {
         LOG_E("add file to send error.");
+        clearLock();
+        return RT_ERROR;
     }
-    return rst;
+    nclearLock();
+    return RT_EOK;
 }
 /**
  * 获取待发送文件列表
@@ -234,11 +298,13 @@ int getFilesToSend(char (*kstr)[MAX_KEY_LEN], int *v)
 {
 //    char buf[MAX_KEY_LEN];
 //    char kstr[MAX_KEY_LEN];
+    nsetLock();
     size_t len=0;
-    for (size_t k = 0; ini_getkey(SECTION_TO_SEND, k, kstr[len], MAX_KEY_LEN, LJW_CFG_FILE_NAME) > 0; k++) {
-        v[len] = ini_getl(SECTION_TO_SEND, kstr[len], -1, LJW_CFG_FILE_NAME);
+    for (size_t k = 0; ini_getkey(SECTION_TO_SEND, k, kstr[len], MAX_KEY_LEN, FILE_TO_SEND) > 0; k++) {
+        v[len] = ini_getl(SECTION_TO_SEND, kstr[len], -1, FILE_TO_SEND);
         len +=1;
     }
+    nclearLock();
     return len;
 }
 /**
@@ -246,20 +312,24 @@ int getFilesToSend(char (*kstr)[MAX_KEY_LEN], int *v)
  */
 int clearFileToSend(const char *k)
 {
-    int rst = ini_puts(SECTION_TO_SEND, k, NULL, LJW_CFG_FILE_NAME);
-    if (!rst) {
-       LOG_E("clear file to send error.");
-   }
-   return rst;
+    nsetLock();
+    int rst = ini_puts(SECTION_TO_SEND, k, NULL, FILE_TO_SEND);
+    if (!rst)
+    {
+        LOG_E("clear file to send error.");
+    }
+    nclearLock();
+    return rst;
 }
 
 void gf()
 {
     int v[MAX_KEY_LEN];
-        char kstr[10][MAX_KEY_LEN];
-       size_t cnt =  getFilesToSend(kstr, v);
-       for (size_t var = 0; var < cnt; ++var) {
-        LOG_I("%s -- %d",kstr[var],v[var]);
+    char kstr[10][MAX_KEY_LEN];
+    size_t cnt = getFilesToSend(kstr, v);
+    for (size_t var = 0; var < cnt; ++var)
+    {
+        LOG_I("%s -- %d", kstr[var], v[var]);
     }
 }
 void add(int argc, char **argv)
@@ -270,8 +340,34 @@ void add(int argc, char **argv)
     gf();
 }
 
+
+void addToList_thread_entry(void *parameter)
+{
+    FILE_INFO msg;
+    while(1)
+    {
+        rt_memset(&msg, 0, sizeof(msg));
+        if (rt_mq_recv(&upfilelist, &msg, sizeof(msg), RT_WAITING_FOREVER) == RT_EOK) {
+            LOG_D("get %s",msg.msg);
+            setFileToSend(msg.msg,msg.index);
+        }
+    }
+}
+
+void postFileInfo(const char *fin, uint8_t index)
+{
+//    setFileToSend(fin,0);
+    FILE_INFO msg;
+    strcpy(msg.msg,fin);
+    msg.index=index;
+    rt_mq_send(&upfilelist, &msg, sizeof(msg));
+}
+
+
+
+
 MSH_CMD_EXPORT(gf, 查看待发送文件列表)
-//MSH_CMD_EXPORT_ALIAS(add, cf,查看待发送文件列表)
+MSH_CMD_EXPORT_ALIAS(add, cf,查看待发送文件列表)
 
 //set_if()
 #endif
diff --git a/applications/cfg.h b/applications/cfg.h
index e5d7d41..30622b0 100644
--- a/applications/cfg.h
+++ b/applications/cfg.h
@@ -13,9 +13,9 @@
 
 //typedef struct
 //{
-//    char key[10];
-//    char value[10];
-//} CFG_MSG;
+//    char msg[60];
+//    uint8_t index;
+//}FILEINFO_MSG;
 
 #define CFGCHANGEED 1
 #define SENDINTERVAL 1<<1
@@ -24,7 +24,7 @@
 #define ENCRYTTYPE 1<<4
 
 
-#define MAX_KEY_LEN 30
+#define MAX_KEY_LEN 60
 #define SECTION_TO_SEND "tosend"
 
 
diff --git a/applications/cfg.ini b/applications/cfg.ini
index 8ae842b..a466383 100644
--- a/applications/cfg.ini
+++ b/applications/cfg.ini
@@ -1,9 +1,9 @@
 [config]
-# V1.7
+# V1.8
 #发送间隔（M），以零点为基准时刻
 sendInterval=60 
-# 最小文件大小，超过此大小则进入发送流程
-minSizeToSend=4096 
+# 最大文件大小，超过此大小则进入发送流程
+maxSizePerFile=4096 
 # 最小等待时间（S），超时后进入待机模式
 minSecToSleep=30 
 # TT最长等待激活时间（M），超时后重启
diff --git a/applications/func/func.c b/applications/func/func.c
index 3f8f414..4b55d79 100644
--- a/applications/func/func.c
+++ b/applications/func/func.c
@@ -46,7 +46,7 @@ int trDataTolog(uint8_t *din, size_t len, uint8_t isTx)
     }
     else
     {
-        char log[300]="";
+        char log[1024]="";
         char tmp[200]="";
         strcat(log,getTimestmp(tmp));
         strcat(log,isTx?" [T]: ":" [R]: ");
@@ -148,6 +148,29 @@ void upSend_thread_entry(void* parameter)
 {
     SMSG* msg = RT_NULL;
     msg = (SMSG*) parameter;
+
+
+
+    uint8_t sta = 1;
+    while (1 && !isTTjh()) //判断TT状态
+    {
+        static uint8_t trycnt = 0;
+        rt_thread_mdelay(4000);
+        trycnt += 1;
+        if (trycnt > 3)
+        {
+            sta = 0; //try 3 time
+            break;
+        }
+    }
+    if (!sta) {
+        //cache to file
+        LOG_W("TT is not ready, try to cache %d bytes data to file.",msg->len);
+        cacheDataToFile(msg->data, msg->len);
+        return -RT_ERROR;
+    }
+
+
     //打包数据
     uint8_t dout[200];
     static MSG cfg;
@@ -188,31 +211,31 @@ void upSend_thread_entry(void* parameter)
 RT_WEAK int upSend(uint8_t *din, size_t len)
 {
     LOG_D("try to upsend to TT.");
-
-    uint8_t sta = 1;
-    while (1 && !isTTjh()) //判断TT状态
-    {
-        static uint8_t trycnt = 0;
-        rt_thread_mdelay(4000);
-        trycnt += 1;
-        if (trycnt > 3)
-        {
-            sta = 0; //try 3 time
-            break;
-        }
-    }
-    if (!sta) {
-        //cache to file
-        LOG_W("TT is not ready, try to cache %d bytes data to file.",len);
-        cacheDataToFile(din, len);
-//        trDataTolog(din, len, 1);
-        return -RT_ERROR;
-    }
-
-    //此函数有打包操作，需线程操作
-//    LOG_D("upsend.");
-//    return 0;
-
+//
+//    uint8_t sta = 1;
+//    while (1 && !isTTjh()) //判断TT状态
+//    {
+//        static uint8_t trycnt = 0;
+//        rt_thread_mdelay(4000);
+//        trycnt += 1;
+//        if (trycnt > 3)
+//        {
+//            sta = 0; //try 3 time
+//            break;
+//        }
+//    }
+//    if (!sta) {
+//        //cache to file
+//        LOG_W("TT is not ready, try to cache %d bytes data to file.",len);
+//        cacheDataToFile(din, len);
+////        trDataTolog(din, len, 1);
+//        return -RT_ERROR;
+//    }
+//
+//    //此函数有打包操作，需线程操作
+////    LOG_D("upsend.");
+////    return 0;
+//
     static SMSG msg;
     memset(&msg, 0, sizeof(SMSG));
     memcpy(msg.data,din,len);
@@ -405,6 +428,7 @@ static int getAndCheckLoc(uint8_t *dout, size_t pairCnt)
     memcpy(dout,loc,cnt);
     return cnt;
 }
+int cryptLocMsg(uint8_t *din, size_t len, uint8_t *dout);
 /**
  * c回应深度数据，含位置信息
  * @param din
@@ -416,8 +440,8 @@ int reportDepth(uint8_t *din,size_t len)
 //    000000000000000000005AA53E320608000A170407101B33FFFFFFFF24ED
 
     //获取并更新位置信息
-    uint8_t loc[10];
     uint8_t dout[200];
+    memset(dout,0,200);
     size_t nlen = getAndCheckLoc(dout, 1);
 
     rt_memcpy(dout+10, din, len);//5aa5从第11字节开始，共len个字节
@@ -425,7 +449,7 @@ int reportDepth(uint8_t *din,size_t len)
     //加密。因加密后数据长度会变化，故不能只加密位置数据。
     nlen = cryptLocMsg(din, len+10, dout);
     LOG_HEX("crypt",16,dout,nlen);
-    LOG_D("位置数据加密完成");
+//    LOG_D("位置数据加密完成");
     upSend(dout, nlen);
 }
 //天通指令类型：0x70 0x01
@@ -786,7 +810,7 @@ void parseTTData(uint8_t *din, size_t len)
     size_t n=isInByte(din, len, head, 10, index);
     uint8_t ndin[200];
     if (!n) {
-        LOG_W("无匹配数据");
+        LOG_W("TTData中无匹配帧");
         return;
     }
     for (size_t i = 0; i < n; i++)
@@ -830,7 +854,7 @@ void parseTTData(uint8_t *din, size_t len)
 }
 
 /**
- * get file size
+ * get file size in byte
  * @param file file name whith fullpath
  */
 unsigned long getFileSize(char *file)
@@ -864,6 +888,8 @@ void d_getFileSize(int argc, char ** argv)
     LOG_D("size = %d Byte.",size);
 }
 
+extern SYS_CFG scfg;
+static uint8_t iscdlock=0;
 /**
  * 缓存任务数据
  * @param din 单次收到的任务数据
@@ -872,37 +898,50 @@ void d_getFileSize(int argc, char ** argv)
  */
 int cacheDataToFile(uint8_t *din, size_t len)
 {
-    LOG_I("FUNC = cache and upsend");
-    static uint16_t cnt = 0;
-    LOG_D("already cached %d bytes.", cnt);
-    char rootDir[22] = "/sd/rxdata/";
-    mkdir(rootDir, 0);
-
-    strcat(rootDir, "2023_07_19/");
-
-    //name of cachefile
-    static char f[60] = "";
-
-    if (cnt == 0 || cnt > 1024)
-    {
-        //广播待发送文件
-        cnt = 0;
-        //更新时戳
-        char ts[30] = "";
-        time2Str(ts);
-        //更新文件夹
-        strncpy(rootDir + strlen(rootDir) - 9, ts, 8);
-        mkdir(rootDir, 0);
-
-        //更新文件名
-        f[0] = '\0';
-        strcat(f, rootDir);
-//        strcpy(f,rootDir);
-        strcat(f, "23_07_19_16_38_36_36.bin");
-//        LOG_D("need to creat new file");
-        strncpy(f + strlen(rootDir), ts, strlen(ts));
-    }
+    LOG_I("FUNC = cache to upsend");
+//    static uint16_t cnt = 0;
+//    LOG_D("already cached %d bytes.", cnt);
+//    char rootDir[22] = "/sd/rxdata/";
+//    mkdir(rootDir, 0);
+//
+//    strcat(rootDir, "2023_07_19/");
+//
+//    //name of cachefile
+//    static char f[60] = "";
+//
+//    if (cnt == 0 || cnt > 1024)
+//    {
+//        if (cnt) {
+//            //加入待发列表
+//            postFileInfo(f,0);
+//        }
+//        //广播待发送文件
+//        cnt = 0;
+//        //更新时戳
+//        char ts[30] = "";
+//        time2Str(ts);
+//        //更新文件夹
+//        strncpy(rootDir + strlen(rootDir) - 9, ts, 8);
+//        mkdir(rootDir, 0);
+//
+//        //更新文件名
+//        f[0] = '\0';
+//        strcat(f, rootDir);
+////        strcpy(f,rootDir);
+//        strcat(f, "23_07_19_16_38_36_36.bin");
+////        LOG_D("need to creat new file");
+//        strncpy(f + strlen(rootDir), ts, strlen(ts));
+//    }
 //    LOG_D("f=%s", f);
+    char f[60]="";
+    getLstCacheFileName(f);
+
+    //lock file
+    if (iscdlock) {
+        rt_thread_mdelay(1000);
+    }
+    iscdlock=1;
+
     int fd = open(f, O_WRONLY | O_CREAT | O_APPEND);
     if (fd < 0)
     {
@@ -916,13 +955,21 @@ int cacheDataToFile(uint8_t *din, size_t len)
         {
             LOG_E("write to file %s failed!", f);
             close(fd);
+            iscdlock=0;
             return -RT_ERROR;
         }
-        cnt += len;
+//        cnt += len;
         close(fd);
-        LOG_I("cached %d bytes data to '%s'.",cnt,f);
+        LOG_I("cached %d bytes data to '%s'.",len,f);
+
+        if (getFileSize(f) > scfg.maxSizePerFile) {
+            postFileInfo(f,0);//加入待发列表
+            getNewCacheFileName(f);//更新文件名
+        }
     }
 
+    iscdlock=0;
+
     return RT_EOK;
 }
 void d_cacheData()
@@ -943,19 +990,21 @@ void parseRS232(uint8_t *din, size_t len)
     uint8_t hexHead[]={0x5a, 0xa5};//"5AA5"
     //由于帧头有多种，且ascii和hex混发，无法处理粘包
 
-
+//        LOG_D("data is %s",isDataASCII(din, len)?"ASCII":"BIN");
         //check
-        if (memcmp(din,asciiHead,sizeof(asciiHead)) == 0) {
+//        if (memcmp(din,asciiHead,sizeof(asciiHead)) == 0) {
+        if (isDataASCII(din, len)) {
             //ascii
-            trDataTolog(din, len, 0);
             LOG_I("type = ASCII");
+            trDataTolog(din, len, 0);
+
 
             uint8_t index[10];
             uint8_t tmpHead[]={0x35, 0x41, 0x41, 0x35};
             size_t n=isInByte(din, len, tmpHead, sizeof(tmpHead), index);
 //            LOG_D("n=%d",n);
             if (!n) {
-                LOG_W("无匹配数据");
+                LOG_W("RS232中无匹配帧");
                 return;
             }
             for (size_t i = 0; i < n; i++)
@@ -977,14 +1026,15 @@ void parseRS232(uint8_t *din, size_t len)
         else//如果不是ASCII则统一按HEX计// if (memcmp(din,hexHead,sizeof(hexHead)) == 0)
         {
             //hex
+            LOG_I("type = BIN");
             char tmp[200]="";
             trDataTolog(bytes2str(din, len, 16, " ", tmp), strlen(tmp), 0);
-            LOG_I("type = HEX");
+
 
             uint8_t index[10];
             size_t n=isInByte(din, len, hexHead, sizeof(hexHead), index);
             if (!n) {
-                LOG_W("无匹配数据");
+                LOG_W("RS232中无匹配帧");
                 return;
             }
             for (size_t i = 0; i < n; i++)
diff --git a/applications/func/func.h b/applications/func/func.h
index bb853ed..db1cd1a 100644
--- a/applications/func/func.h
+++ b/applications/func/func.h
@@ -79,7 +79,7 @@ enum
 #define ADDR_TT 0x41
 #define ADDR_3S 0x32
 
-#define ROOT_PATH_LOG "/sd/log/"
-#define ROOT_PATH_DATA "/sd/rxdata/"
+//#define ROOT_PATH_LOG "/sd/log/"
+//#define ROOT_PATH_DATA "/sd/rxdata/"
 
 #endif /* APPLICATIONS_FUNC_FUNC_H_ */
diff --git a/applications/tools.c b/applications/tools.c
index ae7be8b..9889eaa 100644
--- a/applications/tools.c
+++ b/applications/tools.c
@@ -165,7 +165,7 @@ char *getTimestmp(char *str)
     str[0]='\0';
     strcat(str,"20");
     bytes2str(t, len, 10, "-", str+2);
-    str[10]='_';
+    str[10]=' ';
     len = strlen(str);
     str[len]='\0';
     return str;
@@ -382,16 +382,88 @@ size_t isInByte(uint8_t *din, size_t len, uint8_t *s, size_t slen, uint8_t *dout
 }
 
 
-
-
-
-
-
-
-
-
-
-
+static char cfname[60]="";
+/**
+ * 获取新缓存文件的文件名
+ * @param fin 指向文件名的数组
+ * @return
+ */
+char *getNewCacheFileName(char *fin)
+{
+    char f[60]="";
+    char rootDir[22] = ROOT_PATH_DATA;
+    mkdir(rootDir, 0);
+
+    strcat(rootDir, "2023_07_19/");
+    //更新时戳
+    char ts[30] = "";
+    time2Str(ts);
+    //更新文件夹
+    strncpy(rootDir + strlen(rootDir) - 9, ts, 8);
+    mkdir(rootDir, 0);
+
+    //更新文件名
+    f[0] = '\0';
+    strcat(f, rootDir);
+//        strcpy(f,rootDir);
+    strcat(f, "23_07_19_16_38_36_36.bin");
+//        LOG_D("need to creat new file");
+    strncpy(f + strlen(rootDir), ts, strlen(ts));
+
+    strcpy(cfname,f);
+    strcpy(fin,f);
+    return fin;
+}
+
+
+
+/**
+ * 获取当前缓存文件的文件名
+ * @param fin 指向文件名的数组
+ * @return
+ */
+char *getLstCacheFileName(char *fin)
+{
+    if (strcmp(cfname,"") == 0) {
+        getNewCacheFileName(fin);
+    }
+    strcpy(fin,cfname);
+    return fin;
+}
+
+
+void d_gcf()
+{
+    char f[60];
+    LOG_D("--%s",getLstCacheFileName(f));
+    LOG_D("--%s",getNewCacheFileName(f));
+}
+MSH_CMD_EXPORT(d_gcf,cache file);
+
+
+/**
+ * 检测数组数据是ASCII还是还是BIN
+ * @param din 待检测数组
+ * @param len 数组长度
+ * @return 1-ASCII,0-BIN
+ */
+int isDataASCII(uint8_t *din, size_t len)
+{
+    int rst=0;
+
+    for (size_t i = 0; i < len; i++)
+    {
+        if (!isprint(din[i]))
+        {
+            rst = 0;
+            break;
+        }
+        if (i == len-1) {
+            rst = 1;
+        }
+    }
+    return rst;
+}
 
 
 
diff --git a/applications/uart_3S.c b/applications/uart_3S.c
index e7686a1..e0b4d48 100644
--- a/applications/uart_3S.c
+++ b/applications/uart_3S.c
@@ -155,7 +155,7 @@ static int uart_dma_sample(int argc, char *argv[])
 #endif
 
     /* 创建 serial 线程 */
-    rt_thread_t thread = rt_thread_create("serial", serial_thread_entry, RT_NULL, 1024*5, 25+1, 10);
+    rt_thread_t thread = rt_thread_create("RS232", serial_thread_entry, RT_NULL, 1024*5, 25+1, 10);
     /* 创建成功则启动线程 */
     if (thread != RT_NULL)
     {
diff --git a/applications/usrcfg.h b/applications/usrcfg.h
index e364369..eefdcde 100644
--- a/applications/usrcfg.h
+++ b/applications/usrcfg.h
@@ -37,11 +37,13 @@ typedef struct
     int minActiveTime;
     int maxActiveTime;
     int timeout;
+    int maxSizePerFile;
 } SYS_CFG;
 
 //struct rt_event sw_check;//软件条件
 
-
+#define ROOT_PATH_LOG "/sd/log/"
+#define ROOT_PATH_DATA "/sd/rxdata/"
 
 
 
diff --git a/drivers/stm32f4xx_hal_conf.h b/drivers/stm32f4xx_hal_conf.h
index 14bbc2e..c502031 100644
--- a/drivers/stm32f4xx_hal_conf.h
+++ b/drivers/stm32f4xx_hal_conf.h
@@ -68,7 +68,7 @@
 /* #define HAL_I2S_MODULE_ENABLED   */
  #define HAL_IWDG_MODULE_ENABLED
 /* #define HAL_LTDC_MODULE_ENABLED   */
-/* #define HAL_RNG_MODULE_ENABLED   */
+ #define HAL_RNG_MODULE_ENABLED
  #define HAL_RTC_MODULE_ENABLED
 /* #define HAL_SAI_MODULE_ENABLED   */
  #define HAL_SD_MODULE_ENABLED
diff --git a/rtconfig.h b/rtconfig.h
index 2a0cc18..70be998 100644
--- a/rtconfig.h
+++ b/rtconfig.h
@@ -305,7 +305,7 @@
 #define SYSWATCH_EXCEPT_CONFIRM_TMO 15
 #define SYSWATCH_EXCEPT_RESUME_DLY 15
 #define SYSWATCH_THREAD_PRIO 0
-#define SYSWATCH_THREAD_STK_SIZE 1024
+#define SYSWATCH_THREAD_STK_SIZE 1024*2
 #define SYSWATCH_THREAD_NAME "syswatch"
 #define SYSWATCH_WDT_NAME "wdt"
 #define SYSWATCH_WDT_TIMEOUT 5