src/libs/PublicDataRequest.h

   1 /*
   2       This file is part of Smoothie (http://smoothieware.org/). The motion control part is heavily based on Grbl (https://github.com/simen/grbl).
   3       Smoothie is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
   4       Smoothie is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
   5       You should have received a copy of the GNU General Public License along with Smoothie. If not, see <http://www.gnu.org/licenses/>.
   6 */
   7
   8 #ifndef PUBLICDATAREQUEST_H
   9 #define PUBLICDATAREQUEST_H
  10
  11 class PublicDataRequest {
  12     public:
  13         PublicDataRequest(uint16_t addrcs1){ target[0]= addrcs1; target[1]= 0; target[2]= 0; data_taken= false; data= NULL; returned_data= true; }
  14         PublicDataRequest(uint16_t addrcs1, uint16_t addrcs2){ target[0]= addrcs1; target[1]= addrcs2; target[2]= 0; data_taken= false; data= NULL; returned_data= true; }
  15         PublicDataRequest(uint16_t addrcs1, uint16_t addrcs2, uint16_t addrcs3){ target[0]= addrcs1; target[1]= addrcs2; target[2]= addrcs3; data_taken= false; data= NULL; returned_data= true; }
  16
  17         virtual ~PublicDataRequest() { data= nullptr; }
  18
  19         bool starts_with(uint16_t addr) const { return addr == this->target[0]; }
  20         bool second_element_is(uint16_t addr) const { return addr == this->target[1]; }
  21         bool third_element_is(uint16_t addr) const { return addr == this->target[2]; }
  22
  23         bool is_taken() const { return this->data_taken; }
  24         void set_taken() { this->data_taken= true; }
  25         bool has_returned_data() const { return this->returned_data; }
  26         void set_data_ptr(void *d, bool flag= true) { this->data= d; returned_data= flag; }
  27         void* get_data_ptr(void) const { return this->data; }
  28
  29     private:
  30         uint16_t target[3];
  31         void* data;
  32         struct {
  33             bool data_taken:1;
  34             bool returned_data:1;
  35         };
  36 };
  37
  38 #endif