Merge branch 'master' into mwest/b200_docs

1 files changed, 36 insertions, 0 deletions

diff --git a/firmware/x300/lib/mdelay.c b/firmware/x300/lib/mdelay.c
new file mode 100644
index 000000000..6d2742206
--- /dev/null
+++ b/firmware/x300/lib/mdelay.c
@@ -0,0 +1,36 @@
+/* -*- c -*- */
+/*
+ * Copyright 2007 Free Software Foundation, Inc.
+ * Copyright 2009 Ettus Research LLC
+ *
+ * This program 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "mdelay.h"
+#include "wb_utils.h"
+#include "printf.h"
+#include <stdint.h>
+//IJB FIXME.
+#include "../x300/x300_defs.h"
+
+void mdelay(int ms){
+  for(int i = 0; i < ms; i++){
+    static const uint32_t num_ticks = CPU_CLOCK/1000;
+    const uint32_t ticks_begin = wb_peek32(SR_ADDR(RB0_BASE, RB_COUNTER));
+    //    printf("DEBUG: Counter is %d\n",ticks_begin);
+    while((wb_peek32(SR_ADDR(RB0_BASE, RB_COUNTER)) - ticks_begin) < num_ticks) {
+      /*NOP*/
+    }
+  }
+}