From d79496358dbb81bb5eb16a49ea6b5d2cdc2f8714 Mon Sep 17 00:00:00 2001
From: Andrey Nakin <andrey.nakin@gmail.com>
Date: 周六, 18 4月 2015 20:46:41 +0800
Subject: [PATCH] Merge branch 'master' of https://github.com/j123b567/scpi-parser

---
 libscpi/inc/scpi/config.h |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/libscpi/inc/scpi/config.h b/libscpi/inc/scpi/config.h
index 703465d..177a5bb 100644
--- a/libscpi/inc/scpi/config.h
+++ b/libscpi/inc/scpi/config.h
@@ -63,6 +63,11 @@
 #define HAVE_STRNICMP           0
 #endif
 
+/* AVR libc */
+#if defined(__AVR_LIBC_VERSION__)
+#define HAVE_DTOSTRE            1
+#endif
+
 /* ======== test strnlen ======== */
 #ifndef HAVE_STRNLEN
 #define HAVE_STRNLEN            1
@@ -92,6 +97,13 @@
 #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 | DTOSTRE_ALWAYS_SIGN | DTOSTR_UPPERCASE))
+#else
+#define SCPI_doubleToStr(v, s, l) snprintf((s), (l), "%lg", (v))
+#endif
+
+
 #ifdef	__cplusplus
 }
 #endif

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