1 files changed, 116 insertions, 0 deletions
diff --git a/demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED-WOLFSSL-HALCRYPTO/wolfssl_chibios.c b/demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED-WOLFSSL-HALCRYPTO/wolfssl_chibios.c
new file mode 100644
index 000000000..831b423b7
--- /dev/null
+++ b/demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED-WOLFSSL-HALCRYPTO/wolfssl_chibios.c
@@ -0,0 +1,116 @@
+/*
+    ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+/*
+ * **** This file incorporates work covered by the following copyright and ****
+ * **** permission notice:                                                 ****
+ *
+ * Copyright (C) 2006-2017 wolfSSL Inc.
+ *
+ * This file is part of wolfSSL.
+ *
+ * wolfSSL is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * wolfSSL 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
+ *
+ */
+
+#include "ch.h"
+#include "wolfssl_chibios.h"
+#include <string.h>
+
+
+
+#ifndef ST2S
+#   define ST2S(n) (((n) + CH_CFG_ST_FREQUENCY - 1UL) / CH_CFG_ST_FREQUENCY)
+#endif
+
+#ifndef ST2MS
+#define ST2MS(n) (((n) * 1000UL + CH_CFG_ST_FREQUENCY - 1UL) / CH_CFG_ST_FREQUENCY)
+#endif
+
+
+word32 LowResTimer(void)
+{
+    systime_t t = chVTGetSystemTimeX();
+    return ST2S(t);
+}
+
+uint32_t TimeNowInMilliseconds(void)
+{
+    systime_t t = chVTGetSystemTimeX();
+    return ST2MS(t);
+}
+
+void *chHeapRealloc (void *addr, uint32_t size)
+{
+    union heap_header *hp;
+    uint32_t prev_size, new_size;
+
+    void *ptr;
+
+    if(addr == NULL) {
+        return chHeapAlloc(NULL, size);
+    }
+
+    /* previous allocated segment is preceded by an heap_header */
+    hp = addr - sizeof(union heap_header);
+    prev_size = hp->used.size; /* size is always multiple of 8 */
+
+    /* check new size memory alignment */
+    if(size % 8 == 0) {
+        new_size = size;
+    }
+    else {
+        new_size = ((int) (size / 8)) * 8 + 8;
+    }
+
+    if(prev_size >= new_size) {
+        return addr;
+    }
+
+    ptr = chHeapAlloc(NULL, size);
+    if(ptr == NULL) {
+        return NULL;
+    }
+
+    memcpy(ptr, addr, prev_size);
+
+    chHeapFree(addr);
+
+    return ptr;
+}
+
+void *chibios_alloc(void *heap, int size)
+{
+    return chHeapAlloc(heap, size);
+}
+
+void chibios_free(void *ptr)
+{
+    if (ptr)
+        chHeapFree(ptr);
+}
+