Revision 0:6c43979d0645, committed 2017-10-23

Comitter:

deepikabhavnani

Date:

Mon Oct 23 15:49:13 2017 +0000

Commit message:

Inital copy of circular buffer example

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/.gitignore	Mon Oct 23 15:49:13 2017 +0000
@@ -0,0 +1,4 @@
+.build
+.mbed
+projectfiles
+*.py*

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/README.md	Mon Oct 23 15:49:13 2017 +0000
@@ -0,0 +1,5 @@
+### Getting started with the CircularBuffer API ###
+ 
+CircularBuffer Example
+This application demonstrates usage of CircularBuffer API's. Contents of data 
+stream are pushed till buffer is full, and popped back till buffer is empty.

Binary file img/uvision.png has changed

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Oct 23 15:49:13 2017 +0000
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2016-2016, 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 "mbed.h"
+#include "platform/CircularBuffer.h"
+
+#define BUF_SIZE    10
+
+CircularBuffer<char, BUF_SIZE> buf;
+char data_stream[] = "DataToBeAddedToBuffer";
+
+int main()
+{
+    uint32_t bytes_written = 0;
+    
+    while (!buf.full()) {
+        buf.push(data_stream[bytes_written++]);
+    }
+    
+    printf("Circular buffer is full: \"%s\" or empty: \"%s\" \n", 
+           (buf.full()? "true":"false"), 
+           (buf.empty()? "true":"false") );
+    printf ("Bytes written %d \n", bytes_written);
+    
+    // If buffer is full, contents will be over-written
+    buf.push(data_stream[bytes_written++]);
+    
+    char data;
+    printf ("Buffer contents: ");
+    while (!buf.empty()) {
+        buf.pop(data);
+        printf("%c", data);
+    }
+    printf("\n");
+
+    printf("Circular buffer is full: \"%s\" or empty: \"%s\" \n", 
+           (buf.full()? "true":"false"), 
+           (buf.empty()? "true":"false") );
+
+    return 0;
+    
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os.lib	Mon Oct 23 15:49:13 2017 +0000
@@ -0,0 +1,1 @@
+https://github.com/ARMmbed/mbed-os/#6e0d01cd13e8aca7bf4d697c3699ec9225386881