Merge pull request #10 from kossnikita/rtt

RTT support

Author: nimaltd

atc.c

@@ -5,6 +5,9 @@
 
 #if (_ATC_DEBUG == 1)
 #define	atc_printf(...)     printf(__VA_ARGS__)
+#elif (_ATC_DEBUG == 2)
+#include "SEGGER_RTT.h"
+#define	atc_printf(...)    SEGGER_RTT_printf(0, __VA_ARGS__)
 #else
 #define	atc_printf(...)     {};
 #endif

atcConfig.h

@@ -2,7 +2,7 @@
 #ifndef _ATCCONFIG_H_
 #define _ATCCONFIG_H_
 
-#define	_ATC_DEBUG            0       //  use printf debug
+#define	_ATC_DEBUG            0       //  0: no printf debug    1: use printf debug     2: rtt printf
 #define	_ATC_RTOS             1       //  0: no rtos    1: cmsis_os v1    2: cmsis_os v2
 #define	_ATC_RXSIZE           1500    //  at-command rx buffer size
 #define	_ATC_SEARCH_CMD_MAX   5       //  maximum of answer in at-command