update，at指令状态封装成了枚举类型

MDK-ARM/LWIP.uvguix.29643

@@ -1964,9 +1964,9 @@
       </Doc>
       <Doc>
         <Name>..\usersrc\atcmd.c</Name>
-        <ColumnNumber>0</ColumnNumber>
-        <TopLine>155</TopLine>
-        <CurrentLine>189</CurrentLine>
+        <ColumnNumber>46</ColumnNumber>
+        <TopLine>149</TopLine>
+        <CurrentLine>182</CurrentLine>
         <Folding>1</Folding>
         <ContractedFolders></ContractedFolders>
         <PaneID>0</PaneID>

usersrc/atcmd.c

@@ -52,14 +52,14 @@ int mstrncmp(const char *s1, const char *s2, int n)
 }
 
 /* 指令执行函数 */
-unsigned char at_cmd_test(unsigned char *p, unsigned char len)
+AT_STATUS at_cmd_test(unsigned char *p, unsigned char len)
 {
 
     printf("AT+OK\r\n");
-    return 0;
+    return AT_SUCCESS;
 }
 
-unsigned char at_cmd_ip(unsigned char *p, unsigned char len)
+AT_STATUS at_cmd_ip(unsigned char *p, unsigned char len)
 {
 
     if (*p == '?')
@@ -72,7 +72,7 @@ unsigned char at_cmd_ip(unsigned char *p, unsigned char len)
 
         printf("AT+OK\r\n");
     }
-    return 0;
+    return AT_SUCCESS;
 }
 
 /* 查找指令表中对应的指令 */
@@ -98,10 +98,9 @@ unsigned char AT_cmd_search(unsigned char *p, unsigned char len)
 }
 
 /* AT指令解析 */
-unsigned char at_cmd_parse(unsigned char *p, unsigned char len)
+AT_STATUS at_cmd_parse(unsigned char *p, unsigned char len)
 {
-
-    unsigned char ret = AT_SUCCESS;
+    AT_STATUS ret = AT_SUCCESS;
     unsigned char index = 0;
 
     if (len < 4)
@@ -178,7 +177,10 @@ void at_cmd_processer_try_process_data(void)
 
         if (s_at_cmd_uart_rx_buf_is_processing)
         {
-            at_cmd_parse(at_rx_buf, s_at_cmd_uart_rx_off);
+            if (at_cmd_parse(at_rx_buf, s_at_cmd_uart_rx_off) != AT_SUCCESS)
+            {
+                printf("at cmd parse error\r\n");
+            }
             sys_critical_enter();
             s_at_cmd_uart_rx_off = 0;
             s_at_cmd_uart_rx_buf_is_processing = false;

usersrc/atcmd.h

@@ -3,10 +3,13 @@
 #include <stdio.h>
 #include <stdbool.h>
 
-#define AT_SUCCESS (0)        /* 指令正常 */
-#define AT_ERR (1)            /* 指令异常 */
-#define AT_ERR_UNINVAIL (2)   /* 没有对应指令 */
-#define AT_ERR_FUN_UNUSED (3) /* 没有可执行函数 */
+typedef enum
+{
+    AT_SUCCESS = 0,   /* 指令正常 */
+    AT_ERR,           /* 指令异常 */
+    AT_ERR_UNINVAIL,  /* 没有对应指令 */
+    AT_ERR_FUN_UNUSED /* 没有可执行函数 */
+} AT_STATUS;
 
 typedef enum
 {
@@ -19,7 +22,7 @@ typedef enum
     AT_END
 } AT_Cmd;
 
-typedef unsigned char (*pFunc)(unsigned char *ptr, unsigned char len);
+typedef AT_STATUS (*pFunc)(unsigned char *ptr, unsigned char len);
 
 typedef struct
 {
@@ -30,9 +33,9 @@ typedef struct
 
 unsigned int mstrlen(const char *s);
 int mstrncmp(const char *s1, const char *s2, int n);
-unsigned char at_cmd_test(unsigned char *p, unsigned char len);
-unsigned char at_cmd_ip(unsigned char *p, unsigned char len);
+AT_STATUS at_cmd_test(unsigned char *p, unsigned char len);
+AT_STATUS at_cmd_ip(unsigned char *p, unsigned char len);
 unsigned char AT_cmd_search(unsigned char *p, unsigned char len);
-unsigned char at_cmd_parse(unsigned char *p, unsigned char len);
+AT_STATUS at_cmd_parse(unsigned char *p, unsigned char len);
 void at_cmd_processer_push_data(uint8_t rxdata);
 void at_cmd_processer_try_process_data(void);