Diff: platform/mbed_wait_api_no_rtos.c

Revision:

149:156823d33999

Child:

160:d5399cc887bb

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/platform/mbed_wait_api_no_rtos.c	Fri Oct 28 11:17:30 2016 +0100
@@ -0,0 +1,38 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * 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 implementation of the wait functions will be compiled only
+// if the RTOS is not present.
+#ifndef MBED_CONF_RTOS_PRESENT
+
+#include "platform/wait_api.h"
+#include "hal/us_ticker_api.h"
+
+void wait(float s) {
+    wait_us(s * 1000000.0f);
+}
+
+void wait_ms(int ms) {
+    wait_us(ms * 1000);
+}
+
+void wait_us(int us) {
+    uint32_t start = us_ticker_read();
+    while ((us_ticker_read() - start) < (uint32_t)us);
+}
+
+#endif // #ifndef MBED_CONF_RTOS_PRESENT
+