update(applications):替换标准库相关运用,优化程序内存

applications/VK_Client.c

@@ -15,7 +15,7 @@ char cmd_str[100] = {0};
 
 /*关闭TCP连接*/
 void client_tcp_close(Cclient_t *client) {
-  sprintf(cmd_str, AT_QICLOSE, client->connect_ID);
+  rt_sprintf(cmd_str, AT_QICLOSE, client->connect_ID);
   BSP_LTE_SendCmd(cmd_str, DEFAULT_EXPECT, DEFAULT_ERROR, LTE_CMD_WAIT_NORMAL);
   // client->connect_sta = false;
   // client->error_cnt = 0;
@@ -112,9 +112,9 @@ int16_t client_tcp_connect(Cclient_t *client) {
   // 2, 打开链接
   memset(cmd_cmd, 0, sizeof(cmd_cmd));
   memset(cmd_str, 0, sizeof(cmd_str));
-  sprintf(cmd_cmd, AT_QIOPEN_TRANS /*AT_QIOPEN_FORW*/, client->connect_ID,
+  rt_sprintf(cmd_cmd, AT_QIOPEN_TRANS /*AT_QIOPEN_FORW*/, client->connect_ID,
           client->mode, client->ip, client->port);
-  sprintf(cmd_str, "+QIOPEN: %d,0", client->connect_ID);
+  rt_sprintf(cmd_str, "+QIOPEN: %d,0", client->connect_ID);
 
   /*打开socket, 这个模块他不返回+QIOPEN:字符串*/
   while (0 != BSP_LTE_SendCmd(cmd_cmd, CONNECTE_OK, DEFAULT_ERROR,
@@ -142,7 +142,7 @@ int16_t client_tcp_connect(Cclient_t *client) {
 
 #ifdef LINK_4G
   char buf[128] = {0};
-  sprintf(buf, "{\"sn\":\"%s\",\"client_id\":\"%s\",\"csq\":\"%d\"}\r\n", lte_dev.iccid,
+  rt_sprintf(buf, "{\"sn\":\"%s\",\"client_id\":\"%s\",\"csq\":\"%d\"}\r\n", lte_dev.iccid,
           lte_dev.imei,lte_dev.csq);
 
   rt_device_write(lte_dev.com_dev, 0, buf, sizeof(buf));
@@ -179,7 +179,7 @@ int16_t client_yield(CLte_dev_t *pLte_dev) {
             /*收到TCP关闭的消息*/
             if (strstr((const char *)pLte_dev->at_buf, CLOSED)) {
               memset(cmd_str, 0, sizeof(cmd_str));
-              sprintf(cmd_str, "\"closed\",%d", pLte_dev->client1->connect_ID);
+              rt_sprintf(cmd_str, "\"closed\",%d", pLte_dev->client1->connect_ID);
               if (NULL != strstr((char *)lte_dev.at_buf, cmd_str)) {
                 EC800K_Reset();
                 pLte_dev->client1->connect_sta = false;

applications/drv_ec800k.c

@@ -154,9 +154,18 @@ void BSP_LTE_GetIMEI(char *pIMEI) {
 }
 
 void BSP_LTE_GetICCID(char *pICCID) {
+  char *start, *end = NULL;
   while (0 != BSP_LTE_SendCmd(AT_ICCID, DEFAULT_EXPECT, DEFAULT_ERROR,
                               LTE_CMD_WAIT_LONG));
-  sscanf((const char *)lte_dev.at_buf, "\n+ICCID:%s\n", pICCID);
+  //sscanf((const char *)lte_dev.at_buf, "+ICCID:%s\n", pICCID);
+  start =
+      rt_strstr((const char *)lte_dev.at_buf, "+ICCID:") + rt_strlen("+ICCID:") + 1;
+  end = start;
+  while (*end != '\0' && *end != '\r' && *end != '\n') end++;
+  rt_size_t len = end - start;
+  rt_memcpy(pICCID, start, len);
+  pICCID[len] = '\0';
+
   if (strlen(pICCID) < 10) {
     BSP_LTE_GetICCID(pICCID);
   }
@@ -170,24 +179,54 @@ int16_t BSP_LTE_GetCGATT(int16_t retry) {
     }
     retry--;
   } while (retry);
-  rt_kprintf("PS detached:[%s]", lte_dev.at_buf);
+  //rt_kprintf("PS detached:[%s]", lte_dev.at_buf);
   return -1;
 }
 
 #define CSQ_CMD_RESP "+CSQ:"
+// int BSP_LTE_GetCSQ(void) {
+//   int ret = -1;
+  
+
+//   if (0 == BSP_LTE_SendCmd(AT_CSQ, DEFAULT_EXPECT, DEFAULT_ERROR,
+//                            LTE_CMD_WAIT_LONG)) {
+
+//     char *start, *end , *temp= NULL;
+//     start = rt_strstr((const char *)lte_dev.at_buf, CSQ_CMD_RESP) +
+//             rt_strlen(CSQ_CMD_RESP);
+//     end = start;
+//     while (*end != ',')
+//       end++;
+//     rt_size_t len = end - start;
+//     rt_memcpy(temp,start,len);
+//     temp[len] = '\0';
+//     ret = atoi(temp);
+//   }
+//   return ret;
+// }
+
 int BSP_LTE_GetCSQ(void) {
   int ret = -1;
-  char *pstr = NULL;
+  char *start;
 
-  if (0 == BSP_LTE_SendCmd(AT_CSQ, DEFAULT_EXPECT, DEFAULT_ERROR,
+  if (0 != BSP_LTE_SendCmd(AT_CSQ, DEFAULT_EXPECT, DEFAULT_ERROR,
                            LTE_CMD_WAIT_LONG)) {
-    pstr = (char *)lte_dev.at_buf;
-    if (NULL != (pstr = strstr(pstr, CSQ_CMD_RESP))) {
-      pstr += strlen(CSQ_CMD_RESP);
-      pstr += strspn(pstr, " \t");
-      sscanf((const char *)pstr, "%d,", (int *)&ret);
-    }
+    return -1;
   }
+
+  start = rt_strstr((const char *)lte_dev.at_buf, CSQ_CMD_RESP);
+  if (start == RT_NULL) {
+    return -1;
+  }
+
+  start += rt_strlen(CSQ_CMD_RESP) + 1;
+
+  ret = 0;
+  while (*start >= '0' && *start <= '9') {
+    ret = ret * 10 + (*start - '0');
+    start++;
+  }
+
   return ret;
 }