update.cpp

00001 /*
00002  * update.cpp
00003  *
00004  *  Created on: Oct 16, 2015
00005  *      Author: User
00006  */
00007  
00008 #include <iostream>
00009 #include <string>
00010 /*
00011  * takes state and num_on_inputs as input variables, if num_on_inputs means been in one state for 0.25s
00012  * it calls the motor movement function according to the state (left/right or key press)
00013 */
00014 void update(std::string state, int &num_on_inputs)
00015 {
00016     //check if system has been in one state long enough to move
00017     if (num_on_inputs == 250)
00018     {
00019         //reset the number of on inputs so that once function finishes robot is 'reinitialised'
00020         num_on_inputs = 0;
00021         //run left/right motor, key press motor or do nothing depending on the state
00022         if (state == "left" or state == "right")
00023         {
00024             //function to be created and included as h file
00025             //move_horizontal_motor(state)
00026             //std::cout << "left or right \n";
00027         }
00028         else if (state == "keypress")
00029         {
00030             //function to be created and its h file included
00031             //move_keypress_motor()
00032              //std::cout << "keypress \n ";
00033         }
00034         else if (state == "rest")
00035         {
00036             //if at rest do nothing
00037             //std::cout << "rest ";
00038         }
00039         else
00040         {
00041             //throw an error somehow
00042             //std::cout << "error \n ";
00043         }
00044     }
00045     else if (num_on_inputs > 250)
00046     {
00047         //std::cout << "error \n ";
00048     }
00049 }