open_esplibs libwpa: source code for os_xtensa.c (#283)

open_esplibs/libwpa/os_xtensa.c

@@ -0,0 +1,38 @@
+/* Recreated Espressif libwpa is_xtensa.s contents.
+
+   Copyright (C) 2015 Espressif Systems. Derived from MIT Licensed SDK libraries.
+   BSD Licensed as described in the file LICENSE
+*/
+#include "open_esplibs.h"
+#if OPEN_LIBWPA_OS_XTENSA
+// The contents of this file are only built if OPEN_LIBWPA_WPA_MAIN is set to true
+
+#include <stdlib.h>
+#include <string.h>
+#include <esplibs/libwpa.h>
+#include <common_macros.h>
+
+// Used by wpa_get_ntp_timestamp.
+int IRAM sdk_os_get_time(uint32_t time[]) {
+    return 0;
+}
+
+uint32_t IRAM sdk_os_random() {
+    return rand();
+}
+
+int IRAM sdk_os_get_random(uint8_t *dst, uint32_t size) {
+    uint32_t end = size >> 2;
+    if (end > 0) {
+        uint32_t i = 0;
+        do {
+            uint32_t n = rand();
+            memcpy(dst, &n, sizeof(n));
+            dst += 4;
+            i++;
+        } while (i < end);
+    }
+    return 0;
+}
+
+#endif /* OPEN_LIBWPA_OS_XTENSA */