From 1143af922083090a08761ab1a871c7922962218f Mon Sep 17 00:00:00 2001
From: Alexandre Abadie <alexandre.abadie@inria.fr>
Date: Tue, 16 Jan 2018 15:04:09 +0100
Subject: [PATCH] patch utilities functions

---
 src/boards/mcu/stm32/utilities.c | 46 +++++++++-----------------------
 1 file changed, 12 insertions(+), 34 deletions(-)

diff --git a/src/boards/mcu/stm32/utilities.c b/src/boards/mcu/stm32/utilities.c
index 8861235..e339ba5 100644
--- a/src/boards/mcu/stm32/utilities.c
+++ b/src/boards/mcu/stm32/utilities.c
@@ -14,8 +14,10 @@ Maintainer: Miguel Luis and Gregory Cristian
 */
 #include <stdlib.h>
 #include <stdio.h>
-#include "board.h"
+#include <string.h>
 #include "utilities.h"
+#include "semtech-loramac/board.h"
+#include "random.h"
 
 /*!
  * Redefinition of rand() and srand() standard C functions.
@@ -34,52 +36,28 @@ int32_t rand1( void )
 
 void srand1( uint32_t seed )
 {
-    next = seed;
-}
-// Standard random functions redefinition end
+    (void) seed;
+};
 
 int32_t randr( int32_t min, int32_t max )
 {
-    return ( int32_t )rand1( ) % ( max - min + 1 ) + min;
-}
+    return (int32_t)random_uint32() % (max - min + 1) + min;
+};
 
 void memcpy1( uint8_t *dst, const uint8_t *src, uint16_t size )
 {
-    while( size-- )
-    {
-        *dst++ = *src++;
-    }
-}
+    memcpy(dst, src, size);
+};
 
 void memcpyr( uint8_t *dst, const uint8_t *src, uint16_t size )
 {
-    dst = dst + ( size - 1 );
-    while( size-- )
-    {
+    dst = dst + (size - 1);
+    while (size--) {
         *dst-- = *src++;
     }
 }
 
 void memset1( uint8_t *dst, uint8_t value, uint16_t size )
 {
-    while( size-- )
-    {
-        *dst++ = value;
-    }
-}
-
-int8_t Nibble2HexChar( uint8_t a )
-{
-    if( a < 10 )
-    {
-        return '0' + a;
-    }
-    else if( a < 16 )
-    {
-        return 'A' + ( a - 10 );
-    }
-    else
-    {
-        return '?';
-    }
+    memset(dst, value, size);
 }
-- 
2.17.1