1 files changed, 29 insertions, 0 deletions
diff --git a/arduino/cores/nRF5/avr/dtostrf.c b/arduino/cores/nRF5/avr/dtostrf.c
new file mode 100755
index 0000000..ad8da33
--- /dev/null
+++ b/arduino/cores/nRF5/avr/dtostrf.c
@@ -0,0 +1,29 @@
+/*
+  dtostrf - Emulation for dtostrf function from avr-libc
+  Copyright (c) 2015 Arduino LLC.  All rights reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#include <stdio.h>
+
+char *dtostrf (double val, signed char width, unsigned char prec, char *sout) {
+  asm(".global _printf_float");
+
+  char fmt[20];
+  sprintf(fmt, "%%%d.%df", width, prec);
+  sprintf(sout, fmt, val);
+  return sout;
+}