Sam Grove / Buffer

Buffer for general purpose use. Templated for most datatypes

Dependents:   BufferedSoftSerial 09_PT1000 10_PT1000 11_PT1000 ... more

Example

 #include "mbed.h"
 #include "Buffer.h"

 Buffer <char> buf;

 int main()
 {
     buf = 'a';
     buf.put('b');
     char *head = buf.head();
     puts(head);

     char whats_in_there[2] = {0};
     int pos = 0;

     while(buf.available())
     {   
         whats_in_there[pos++] = buf;
     }
     printf("%c %c\n", whats_in_there[0], whats_in_there[1]);
     buf.clear();
     error("done\n\n\n");
 }

Diff: Buffer.cpp

Revision:
1:490224f41c09
Parent:
0:5e4bca1bd5f7
Child:
2:d13a72146516
Child:
3:c2de0ddfe65b
--- a/Buffer.cpp	Fri May 10 18:34:16 2013 +0000
+++ b/Buffer.cpp	Thu May 23 19:26:31 2013 +0000
@@ -1,4 +1,26 @@
 
+/**
+ * @file    Buffer.cpp
+ * @brief   Software Buffer - Templated Ring Buffer for most data types
+ * @author  sam grove
+ * @version 1.0
+ * @see     
+ *
+ * Copyright (c) 2013
+ *
+ * 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 "Buffer.h"
 
 template <class T>
@@ -48,9 +70,9 @@
 template <class T>
 void Buffer<T>::clear(void)
 {
-    memset(_buf, 0, _size);
     _wloc = 0;
     _rloc = 0;
+    memset(_buf, 0, _size);
     
     return;
 }
@@ -61,6 +83,7 @@
     return (_wloc == _rloc) ? 0 : 1;
 }
 
+// make the linker aware of some possible types
 template class Buffer<uint8_t>;
 template class Buffer<int8_t>;
 template class Buffer<uint16_t>;