Modified for BG96
Fork of mbed-dev by
Diff: platform/CircularBuffer.h
- Revision:
- 186:707f6e361f3e
- Parent:
- 184:08ed48f1de7f
- Child:
- 187:0387e8f68319
--- a/platform/CircularBuffer.h Thu Apr 19 17:12:19 2018 +0100 +++ b/platform/CircularBuffer.h Fri Jun 22 16:45:37 2018 +0100 @@ -89,7 +89,7 @@ /** Pop the transaction from the buffer * - * @param data Data to be pushed to the buffer + * @param data Data to be popped from the buffer * @return True if the buffer is not empty and data contains a transaction, false otherwise */ bool pop(T& data) { @@ -154,6 +154,22 @@ core_util_critical_section_exit(); return elements; } + + /** Peek into circular buffer without popping + * + * @param data Data to be peeked from the buffer + * @return True if the buffer is not empty and data contains a transaction, false otherwise + */ + bool peek(T& data) const { + bool data_updated = false; + core_util_critical_section_enter(); + if (!empty()) { + data = _pool[_tail]; + data_updated = true; + } + core_util_critical_section_exit(); + return data_updated; + } private: T _pool[BufferSize];