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:
- 4:cd0a1f4c623f
- Parent:
- 2:d13a72146516
- Parent:
- 3:c2de0ddfe65b
- Child:
- 5:7b754354b99c
--- a/Buffer.cpp Thu May 23 23:48:36 2013 +0000 +++ b/Buffer.cpp Wed Jun 26 15:24:27 2013 +0000 @@ -24,10 +24,10 @@ #include "Buffer.h" template <class T> -Buffer<T>::Buffer(BUFFER_SIZE size) +Buffer<T>::Buffer(uint32_t size) { _buf = new T [size]; - _sizemask = size-1; + _size = size; clear(); return; @@ -42,55 +42,21 @@ } template <class T> -void Buffer<T>::put(T data) -{ - _buf[_wloc++] = data; - _wloc &= _sizemask; - - return; -} - -template <class T> -T Buffer<T>::get(void) -{ - T data_pos = _buf[_rloc++]; - _rloc &= _sizemask; - - return data_pos; -} - -template <class T> -T *Buffer<T>::head(void) -{ - T *data_pos = &_buf[0]; - - return data_pos; -} - -template <class T> void Buffer<T>::clear(void) { _wloc = 0; _rloc = 0; - memset(_buf, 0, _sizemask+1); + memset(_buf, 0, _size); return; } template <class T> -uint32_t Buffer<T>::available(void) -{ - return (_wloc == _rloc) ? 0 : 1; -} - -template <class T> uint32_t Buffer<T>::peek(char c) { return 1; } - - // make the linker aware of some possible types template class Buffer<uint8_t>; template class Buffer<int8_t>;