!81 【轻量级 PR】：modify utils readme

Merge pull request !81 from liubb/N/A

docs-en/readme/utils-library.md

@@ -6,8 +6,8 @@ The Utils library stores basic components of OpenHarmony. These basic components
 
 The Utils library provides the following capabilities on different platforms:
 
--   LiteOS-M platform: KV stores, file operations, timers, and IoT peripheral control
--   LiteOS-A platform: KV stores, timers, and ACE JavaScript APIs
+-   LiteOS Cortex-M \(Hi3861 platform\): KV stores, file operations, timers, and IoT peripheral control
+-   LiteOS Cortex-A \(Hi3516 and Hi3518 platforms\): KV stores, timers, and ACE JavaScript APIs
 
 ## Directory Structure<a name="section1464106163817"></a>
 
@@ -25,7 +25,7 @@ utils/native/lite/          # Root directory of the Utils library
 │       └── kvstorekit          # KV store kit
 ├── kal                          # KAL directory
 │   └── timer                   # KAL implementation of the timer
- ├── kv_store	       # KV store implementation
+├── kv_store	                    # KV store implementation
 │   ├── innerkits               # Internal KV store interfaces
 │   └── src	                    # KV store source file
 └── timer_task                   # Timer implementation
@@ -61,7 +61,7 @@ The Utils library is developed using the C language.
 </thead>
 <tbody><tr id="row10455841151112"><td class="cellrowborder" valign="top" width="12.659999999999998%" headers="mcps1.2.5.1.1 "><p id="p1945511415113"><a name="p1945511415113"></a><a name="p1945511415113"></a>KV store</p>
 </td>
-<td class="cellrowborder" valign="top" width="14.78%" headers="mcps1.2.5.1.2 "><p id="p668274310317"><a name="p668274310317"></a><a name="p668274310317"></a>LiteOS-M and LiteOS-A platforms</p>
+<td class="cellrowborder" valign="top" width="14.78%" headers="mcps1.2.5.1.2 "><p id="p668274310317"><a name="p668274310317"></a><a name="p668274310317"></a>LiteOS Cortex-M and LiteOS Cortex-A</p>
 </td>
 <td class="cellrowborder" valign="top" width="32.22%" headers="mcps1.2.5.1.3 "><p id="p193638017460"><a name="p193638017460"></a><a name="p193638017460"></a>Provides KV storage for applications.</p>
 </td>
@@ -70,7 +70,7 @@ The Utils library is developed using the C language.
 </tr>
 <tr id="row540314384111"><td class="cellrowborder" valign="top" width="12.659999999999998%" headers="mcps1.2.5.1.1 "><p id="p134041038141112"><a name="p134041038141112"></a><a name="p134041038141112"></a>File operation</p>
 </td>
-<td class="cellrowborder" valign="top" width="14.78%" headers="mcps1.2.5.1.2 "><p id="p19404193811110"><a name="p19404193811110"></a><a name="p19404193811110"></a>LiteOS-M platform</p>
+<td class="cellrowborder" valign="top" width="14.78%" headers="mcps1.2.5.1.2 "><p id="p1766172113197"><a name="p1766172113197"></a><a name="p1766172113197"></a>LiteOS Cortex-M</p>
 </td>
 <td class="cellrowborder" valign="top" width="32.22%" headers="mcps1.2.5.1.3 "><p id="p113646084618"><a name="p113646084618"></a><a name="p113646084618"></a>Provides unified file operation interfaces that can be used on different underlying chip components.</p>
 </td>
@@ -79,7 +79,7 @@ The Utils library is developed using the C language.
 </tr>
 <tr id="row175322121218"><td class="cellrowborder" valign="top" width="12.659999999999998%" headers="mcps1.2.5.1.1 "><p id="p1053219131219"><a name="p1053219131219"></a><a name="p1053219131219"></a>Timer</p>
 </td>
-<td class="cellrowborder" valign="top" width="14.78%" headers="mcps1.2.5.1.2 "><p id="p1912957139"><a name="p1912957139"></a><a name="p1912957139"></a>LiteOS-M and LiteOS-A platforms</p>
+<td class="cellrowborder" valign="top" width="14.78%" headers="mcps1.2.5.1.2 "><p id="p5406226171912"><a name="p5406226171912"></a><a name="p5406226171912"></a>LiteOS Cortex-M and LiteOS Cortex-A</p>
 </td>
 <td class="cellrowborder" valign="top" width="32.22%" headers="mcps1.2.5.1.3 "><p id="p15364170194610"><a name="p15364170194610"></a><a name="p15364170194610"></a>Provides unified timer operation interfaces that can be used on different underlying chip components.</p>
 </td>
@@ -88,7 +88,7 @@ The Utils library is developed using the C language.
 </tr>
 <tr id="row1821629675"><td class="cellrowborder" valign="top" width="12.659999999999998%" headers="mcps1.2.5.1.1 "><p id="p198212291879"><a name="p198212291879"></a><a name="p198212291879"></a>IoT peripheral control</p>
 </td>
-<td class="cellrowborder" valign="top" width="14.78%" headers="mcps1.2.5.1.2 "><p id="p13827290715"><a name="p13827290715"></a><a name="p13827290715"></a>LiteOS-M platform</p>
+<td class="cellrowborder" valign="top" width="14.78%" headers="mcps1.2.5.1.2 "><p id="p4214123191912"><a name="p4214123191912"></a><a name="p4214123191912"></a>LiteOS Cortex-M</p>
 </td>
 <td class="cellrowborder" valign="top" width="32.22%" headers="mcps1.2.5.1.3 "><p id="p4822295710"><a name="p4822295710"></a><a name="p4822295710"></a>Provides the capability of performing operations for peripherals.</p>
 </td>
@@ -101,12 +101,12 @@ The Utils library is developed using the C language.
 
 -   **KV store**
 
-    Obtaining an interface
-
     ```
+    Obtaining an interface
     char key1[] = "rw.sys.version";
     char value1[32] = {0};
     int ret = UtilsGetValue(key1, value1, 32);
+    
     Setting the interface
     char key14[] = "key_14";
     ret = UtilsSetValue(key14, defValue);
@@ -121,10 +121,12 @@ The Utils library is developed using the C language.
     printf("file handle = %d\n", fd);
     int ret = UtilsFileWrite(fd, def, strlen(def));
     printf("write ret = %d\n", ret);
+    
     // stat
     int fileLen = 0;
     ret = UtilsFileStat(fileName, &fileLen);
     printf("file size = %d\n", fileLen);
+    
     // seek
     int fd1 = UtilsFileOpen(fileName, O_RDWR_FS, 0);
     ret = UtilsFileSeek(fd1, 5, SEEK_SET_FS);
@@ -133,6 +135,7 @@ The Utils library is developed using the C language.
     int readLen = UtilsFileRead(fd1, buf, 32);
     ret = UtilsFileClose(fd1);
     printf("read len = %d : buf = %s\n", readLen, buf);
+    
     // delete
     ret = UtilsFileDelete(fileName);
     printf("delete ret = %d\n", ret);