Diff: source/family/arm/musca_b/utils.c

Revision:

0:01f31e923fe2

diff -r 000000000000 -r 01f31e923fe2 source/family/arm/musca_b/utils.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/source/family/arm/musca_b/utils.c	Tue Apr 07 12:55:42 2020 +0200
@@ -0,0 +1,42 @@
+/**
+ * @file    utils.c
+ * @brief   Utilities for Musca B target
+ *
+ * DAPLink Interface Firmware
+ * Copyright (c) 2018-2019, ARM Limited, All Rights Reserved
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * 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.
+ */
+
+#include "stdint.h"
+
+void delay(uint32_t cycles)
+{
+    volatile uint32_t i;
+    i = cycles * 4000;        // fudge factor to give approximate 1 ms
+
+    while (i > 0) {
+        i--;
+    }
+}
+
+void delay_us(uint32_t cycles)
+{
+    volatile uint32_t i;
+    i = cycles * 4;           // fudge factor to give approximate 1 us
+
+    while (i > 0) {
+        i--;
+    }
+}