From be3968abf0cada6cc1740b775e9a00136fba6981 Mon Sep 17 00:00:00 2001
From: Angus Gratton <gus@projectgus.com>
Date: Tue, 6 Oct 2015 23:24:40 +1100
Subject: [PATCH] stdout: Bring back auto-CRLF behaviour as discussed

---
 core/newlib_syscalls.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/core/newlib_syscalls.c b/core/newlib_syscalls.c
index a3212c2..ae15aff 100644
--- a/core/newlib_syscalls.c
+++ b/core/newlib_syscalls.c
@@ -41,6 +41,11 @@ long _write_r(struct _reent *r, int fd, const char *ptr, int len )
         return -1;
     }
     for(int i = 0; i < len; i++) {
+        /* Auto convert CR to CRLF, ignore other LFs (compatible with Espressif SDK behaviour) */
+        if(ptr[i] == '\r')
+            continue;
+        if(ptr[i] == '\n')
+            uart_putc(0, '\r');
         uart_putc(0, ptr[i]);
     }
     return len;