main.cpp

00001 /* 
00002 ELEC2645 Embedded Systems Project
00003 School of Electronic & Electrical Engineering
00004 University of Leeds
00005 2019/20
00006 
00007 Name:Joe Body
00008 Username:el18jgb
00009 Student ID Number:201215898
00010 Date:11/03/2020
00011 */
00012 
00013 // includes
00014 #include "mbed.h"
00015 #include "Gamepad.h"
00016 #include "N5110.h"
00017 #include "Aim.h"
00018 #include "Heston.h"
00019 #include "Eng.h"
00020 
00021 
00022 // objects
00023 Gamepad pad;
00024 N5110 lcd;
00025 
00026 Eng eng;
00027 
00028 
00029 // flag - must be volatile as changes within ISR
00030 // g_ prefix makes it easier to distinguish it as global
00031 volatile int g_timer_flag = 0;
00032 
00033 // function prototypes
00034 void timer_isr();
00035 
00036 
00037 void init();
00038 void render();
00039 //void draw(N5110 &lcd);
00040 //void read_input(Gamepad &pad);
00041 
00042 int main()
00043 {
00044     int fps = 10;  // frames per second
00045     int A_timer = 0;
00046     init();     // initialise and then display welcome screen...
00047     
00048     render();  // first draw the initial frame 
00049     wait(1.0f/fps);  // and wait for one frame period
00050     while (1) {
00051         //read_input(pad);
00052         int fire = 0;
00053         if (A_timer <= 0){
00054             fire = 0;
00055             if (pad.A_held()){
00056                 fire = 1;
00057                 A_timer = 6;
00058             }
00059         }
00060         
00061 
00062         eng.update(pad, fire, lcd);
00063         render();
00064         wait(1.0f/fps);
00065         
00066         A_timer--;
00067         
00068         eng.tik();
00069     }
00070     
00071 }
00072 
00073 // initialies all classes and libraries
00074 void init()
00075 {
00076     // need to initialise LCD and Gamepad 
00077     lcd.init();
00078     pad.init();
00079 
00080     eng.init();
00081 
00082 }
00083 
00084 // this function draws each frame on the LCD
00085 void render()
00086 {
00087     // clear screen, re-draw and refresh
00088     lcd.clear(); 
00089 
00090     eng.draw(lcd);
00091     lcd.refresh();
00092 }
00093 
00094 //void read_input(Gamepad &pad)
00095 //{
00096     //int _d = pad.get_direction();
00097     //float _mag = pad.get_mag();
00098 //}