Diff: COM_MNG_TMTC.h

Revision:

14:08c2c887ea09

Parent:

12:ffdb29353058

Child:

15:1c1ca992b43b

--- a/COM_MNG_TMTC.h	Thu Dec 31 11:52:47 2015 +0000
+++ b/COM_MNG_TMTC.h	Thu Dec 31 12:04:21 2015 +0000
@@ -46,15 +46,15 @@
 }
 
 #define detect_ack(tm_ptr, temp_ack, tc_psc) {\
-    int length = TM_SHORT_SIZE;\
-    if( GETshort_or_long_tm(tm_ptr->fields) == SHORT_TM_CODE ){\
-        length = TM_SHORT_SIZE;\
-    }\
-    else{\
-        length = TM_LONG_SIZE;\
-    }\
-    uint16_t crc = crc16_gen(tm_ptr->TM_string, length-2);\
     if( tm_ptr != NULL ){\
+        int length = TM_SHORT_SIZE;\
+        if( GETshort_or_long_tm(tm_ptr->fields) == SHORT_TM_CODE ){\
+            length = TM_SHORT_SIZE;\
+        }\
+        else{\
+            length = TM_LONG_SIZE;\
+        }\
+        uint16_t crc = crc16_gen(tm_ptr->TM_string, length-2);\
         if( (((crc & 0xFF00) >> 8) == tm_ptr->TM_string[length-2]) && ( (crc & 0x00FF) == tm_ptr->TM_string[length-1] ) ){\
             uint8_t temp8;\
             temp8 = tm_ptr->TM_string[TM_ACK_CODE_INDEX];\