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/**
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/**
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* @file
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* @file
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* @copyright Copyright 2016 GNSS Sensor Ltd. All right reserved.
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* @copyright Copyright 2016 GNSS Sensor Ltd. All right reserved.
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* @author Sergey Khabarov - sergeykhbr@gmail.com
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* @author Sergey Khabarov - sergeykhbr@gmail.com
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* @brief FIFO implementation.
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* @brief FIFO implementation.
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*/
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*/
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#ifndef __DEBUGGER_FIFO_H__
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#ifndef __DEBUGGER_FIFO_H__
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#define __DEBUGGER_FIFO_H__
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#define __DEBUGGER_FIFO_H__
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#include <inttypes.h>
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#include <inttypes.h>
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namespace debugger {
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namespace debugger {
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template<class T> class TFifo {
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template<class T> class TFifo {
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public:
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public:
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TFifo(int sz) {
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TFifo(int sz) {
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arr_ = new T[size_ = sz];
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arr_ = new T[size_ = sz];
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prd_ = &arr_[0];
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prd_ = &arr_[0];
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pwr_ = &arr_[1];
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pwr_ = &arr_[1];
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}
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}
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~TFifo() {
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~TFifo() {
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delete [] arr_;
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delete [] arr_;
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}
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}
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bool isFull() {
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bool isFull() {
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return pwr_ == prd_;
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return pwr_ == prd_;
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}
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}
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bool isEmpty() {
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bool isEmpty() {
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if (pwr_ == (prd_ + 1)) {
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if (pwr_ == (prd_ + 1)) {
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return true;
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return true;
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}
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}
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if ((prd_ - pwr_ + 1) == size_) {
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if ((prd_ - pwr_ + 1) == size_) {
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return true;
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return true;
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}
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}
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return false;
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return false;
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}
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}
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void get(T *out) {
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void get(T *out) {
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if (isEmpty()) {
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if (isEmpty()) {
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return;
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return;
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}
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}
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if (prd_ >= &arr_[size_ - 1]) {
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if (prd_ >= &arr_[size_ - 1]) {
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*out = arr_[0];
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*out = arr_[0];
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prd_ = arr_;
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prd_ = arr_;
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} else {
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} else {
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*out = prd_[1];
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*out = prd_[1];
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prd_++;
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prd_++;
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}
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}
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}
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}
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void put(T *in) {
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void put(T *in) {
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if (isFull()) {
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if (isFull()) {
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return;
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return;
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}
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}
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*pwr_ = *in;
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*pwr_ = *in;
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if (pwr_ >= &arr_[size_ - 1]) {
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if (pwr_ >= &arr_[size_ - 1]) {
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pwr_ = arr_;
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pwr_ = arr_;
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} else {
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} else {
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pwr_++;
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pwr_++;
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}
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}
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}
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}
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private:
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private:
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T *arr_;
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T *arr_;
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T *prd_;
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T *prd_;
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T *pwr_;
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T *pwr_;
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int size_;
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int size_;
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};
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};
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} // namespace debugger
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} // namespace debugger
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#endif // __DEBUGGER_FIFO_H__
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#endif // __DEBUGGER_FIFO_H__
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