Merge pull request #63 from gwnpeter/rtx5

增加rtx5支持,修改字符格式化方式适应更多场合

cm_backtrace/cmb_def.h

@@ -46,6 +46,7 @@
 #define CMB_OS_PLATFORM_UCOSII            1
 #define CMB_OS_PLATFORM_UCOSIII           2
 #define CMB_OS_PLATFORM_FREERTOS          3
+#define CMB_OS_PLATFORM_RTX5              4
 
 #define CMB_PRINT_LANGUAGE_ENGLISH        0
 #define CMB_PRINT_LANGUAGE_CHINESE        1
@@ -336,6 +337,8 @@ if (!(EXPR))                                                                   \
         extern uint32_t *vTaskStackAddr(void);/* need to modify the FreeRTOS/tasks source code */
         extern uint32_t vTaskStackSize(void);
         extern char * vTaskName(void);
+    #elif (CMB_OS_PLATFORM_TYPE == CMB_OS_PLATFORM_RTX5)
+        #include "rtx_os.h"
     #else
         #error "not supported OS type"
     #endif /* (CMB_OS_PLATFORM_TYPE == CMB_OS_PLATFORM_RTT) */