nakashima Kohei / GoTo_Serial

SerialLibrary for arrc

Buffer52.hpp@0:4801795a9073, 2021-12-11 (annotated)

Committer:
hamohamo
Date:
Sat Dec 11 02:37:36 2021 +0000
Revision:
0:4801795a9073
SerialLibrary;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
hamohamo 0:4801795a9073 1 #ifndef _52BUFFER
hamohamo 0:4801795a9073 2 #define _52BUFFER
hamohamo 0:4801795a9073 3
hamohamo 0:4801795a9073 4 #include <vector>
hamohamo 0:4801795a9073 5
hamohamo 0:4801795a9073 6 namespace ARRC{
hamohamo 0:4801795a9073 7 template <class type> class Buffer{
hamohamo 0:4801795a9073 8 public:
hamohamo 0:4801795a9073 9 Buffer(unsigned size):buf(size,0),size(size),read_ref(0),write_ref(0){}
hamohamo 0:4801795a9073 10 type read(){
hamohamo 0:4801795a9073 11 type ret = 0;
hamohamo 0:4801795a9073 12 if(read_ref < write_ref){
hamohamo 0:4801795a9073 13 ret = buf[read_ref % size];
hamohamo 0:4801795a9073 14 read_ref++;
hamohamo 0:4801795a9073 15 }
hamohamo 0:4801795a9073 16 return ret;
hamohamo 0:4801795a9073 17 }
hamohamo 0:4801795a9073 18 void write(type elem){
hamohamo 0:4801795a9073 19 buf[write_ref % size] = elem;
hamohamo 0:4801795a9073 20 write_ref++;
hamohamo 0:4801795a9073 21 }
hamohamo 0:4801795a9073 22 bool readable(){return (read_ref < write_ref);}
hamohamo 0:4801795a9073 23 int datacount(){return write_ref - read_ref;}
hamohamo 0:4801795a9073 24 private:
hamohamo 0:4801795a9073 25 std::vector<type> buf;
hamohamo 0:4801795a9073 26 long unsigned read_ref,write_ref;
hamohamo 0:4801795a9073 27 long unsigned size;
hamohamo 0:4801795a9073 28 };
hamohamo 0:4801795a9073 29
hamohamo 0:4801795a9073 30 }
hamohamo 0:4801795a9073 31
hamohamo 0:4801795a9073 32 #endif