[add] 自定义__printf()编译器需按照printf()参数要求检查

Core/Inc/main.h

@@ -33,7 +33,7 @@ extern "C" {
 /* Private includes ----------------------------------------------------------*/
 /* USER CODE BEGIN Includes */
 #include "SEGGER_RTT.h"
-extern void __kprintf(char *fmt, ...);
+extern void __kprintf(char *fmt, ...) __attribute__((format(printf, 1, 2)));
 #define pkt_kprintf(fmt, ...)  __kprintf(fmt, ##__VA_ARGS__) //SEGGER_RTT_printf(0, __VA_ARGS__)
 #define rt_kprintf(fmt, ...)  __kprintf(fmt, ##__VA_ARGS__) //SEGGER_RTT_printf(0, __VA_ARGS__)
   typedef uint32_t rt_uint32_t;