From 41d103ad102c0b6e3ca7fd46a60de033ff25c3e3 Mon Sep 17 00:00:00 2001
From: Michel Rottleuthner <michel.rottleuthner@haw-hamburg.de>
Date: Fri, 29 Jun 2018 16:48:59 +0200
Subject: [PATCH] drivers/pn532: fix wrong buffer type

---
 drivers/pn532/pn532.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pn532/pn532.c b/drivers/pn532/pn532.c
index ffa38fb89a..908935709e 100644
--- a/drivers/pn532/pn532.c
+++ b/drivers/pn532/pn532.c
@@ -80,7 +80,7 @@
 
 #if ENABLE_DEBUG
 #define PRINTBUFF printbuff
-static void printbuff(char *buff, unsigned len)
+static void printbuff(uint8_t *buff, unsigned len)
 {
     while (len) {
         len--;