From 4758bdc8a35c3604f8b6dd72b3d49e7bc5ff9b1e Mon Sep 17 00:00:00 2001
From: Jan Breuer <jan.breuer@jaybee.cz>
Date: 周日, 19 4月 2015 05:51:20 +0800
Subject: [PATCH] Add test for command tree traversal

---
 libscpi/inc/scpi/config.h |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/libscpi/inc/scpi/config.h b/libscpi/inc/scpi/config.h
index 703465d..48ad3e9 100644
--- a/libscpi/inc/scpi/config.h
+++ b/libscpi/inc/scpi/config.h
@@ -63,6 +63,12 @@
 #define HAVE_STRNICMP           0
 #endif
 
+/* AVR libc */
+#if defined(__AVR__)
+#include <stdlib.h>
+#define HAVE_DTOSTRE            1
+#endif
+
 /* ======== test strnlen ======== */
 #ifndef HAVE_STRNLEN
 #define HAVE_STRNLEN            1
@@ -92,6 +98,13 @@
 #define SCPI_strncasecmp(s1, s2, l)	OUR_strncasecmp((s1), (s2), (l))
 #endif
 
+#if HAVE_DTOSTRE
+#define SCPI_doubleToStr(v, s, l) strlen(dtostre((v), (s), 6, DTOSTR_PLUS_SIGN | DTOSTR_ALWAYS_SIGN | DTOSTR_UPPERCASE))
+#else
+#define SCPI_doubleToStr(v, s, l) snprintf((s), (l), "%lg", (v))
+#endif
+
+
 #ifdef	__cplusplus
 }
 #endif

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