ELEC2645 (2017/18) / Mbed OS el16ajm

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main.cpp@2:9ca5e1c221c3, 2018-04-16 (annotated)

Committer:
Andrew_M
Date:
Mon Apr 16 10:55:00 2018 +0000
Revision:
2:9ca5e1c221c3
Parent:
1:a14415de3ad5
Child:
3:6253a2d374fa
Basic drawing of the game works, snake is currently incorrectly drawn. Overall skeleton of the software is done but not much more

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Andrew_M 0:66e5b37c127e 1 /*
Andrew_M 0:66e5b37c127e 2 ELEC2645 Embedded Systems Project
Andrew_M 0:66e5b37c127e 3 School of Electronic & Electrical Engineering
Andrew_M 0:66e5b37c127e 4 University of Leeds
Andrew_M 2:9ca5e1c221c3 5 Name: Andrew Moore
Andrew_M 2:9ca5e1c221c3 6 Username: el16ajm
Andrew_M 2:9ca5e1c221c3 7 Student ID Number: 201042893
Andrew_M 2:9ca5e1c221c3 8 Date:
Andrew_M 0:66e5b37c127e 9 */
Andrew_M 0:66e5b37c127e 10
Andrew_M 0:66e5b37c127e 11 #include "mbed.h"
Andrew_M 1:a14415de3ad5 12 #include "Gamepad.h"
Andrew_M 1:a14415de3ad5 13 #include "N5110.h"
Andrew_M 1:a14415de3ad5 14 #include "Engine.h"
Andrew_M 0:66e5b37c127e 15
Andrew_M 1:a14415de3ad5 16 /////////////// structs /////////////////
Andrew_M 1:a14415de3ad5 17 struct UserInput {
Andrew_M 1:a14415de3ad5 18 Direction d;
Andrew_M 1:a14415de3ad5 19 float mag;
Andrew_M 1:a14415de3ad5 20 };
Andrew_M 1:a14415de3ad5 21
Andrew_M 1:a14415de3ad5 22 /////////////// objects ///////////////
Andrew_M 1:a14415de3ad5 23 N5110 lcd(PTC9,PTC0,PTC7,PTD2,PTD1,PTC11);
Andrew_M 1:a14415de3ad5 24 Gamepad pad;
Andrew_M 1:a14415de3ad5 25 Engine gameEngine;
Andrew_M 0:66e5b37c127e 26
Andrew_M 1:a14415de3ad5 27 ///////////// prototypes ///////////////
Andrew_M 1:a14415de3ad5 28 void init();
Andrew_M 1:a14415de3ad5 29 void update_game(UserInput input);
Andrew_M 1:a14415de3ad5 30 void render();
Andrew_M 1:a14415de3ad5 31 void welcome();
Andrew_M 1:a14415de3ad5 32
Andrew_M 1:a14415de3ad5 33 ///////////// functions ////////////////
Andrew_M 1:a14415de3ad5 34 int main()
Andrew_M 1:a14415de3ad5 35 {
Andrew_M 2:9ca5e1c221c3 36 int fps = 8; // frames per second
Andrew_M 2:9ca5e1c221c3 37
Andrew_M 1:a14415de3ad5 38 init();
Andrew_M 1:a14415de3ad5 39 welcome();
Andrew_M 2:9ca5e1c221c3 40
Andrew_M 2:9ca5e1c221c3 41 wait(1.0f/fps); // and wait for one frame period
Andrew_M 2:9ca5e1c221c3 42
Andrew_M 2:9ca5e1c221c3 43
Andrew_M 2:9ca5e1c221c3 44 // game loop - read input, update the game state and render the display
Andrew_M 2:9ca5e1c221c3 45 while (1) {
Andrew_M 2:9ca5e1c221c3 46 gameEngine.read_input(pad);
Andrew_M 2:9ca5e1c221c3 47 gameEngine.update(pad);
Andrew_M 2:9ca5e1c221c3 48 render();
Andrew_M 2:9ca5e1c221c3 49 wait(1.0f/fps);
Andrew_M 2:9ca5e1c221c3 50 }
Andrew_M 1:a14415de3ad5 51 }
Andrew_M 1:a14415de3ad5 52
Andrew_M 1:a14415de3ad5 53 void welcome()
Andrew_M 1:a14415de3ad5 54 {
Andrew_M 1:a14415de3ad5 55 lcd.printString(" Snake! ",0,1);
Andrew_M 1:a14415de3ad5 56 lcd.printString(" Press Start ",0,4);
Andrew_M 1:a14415de3ad5 57 lcd.refresh();
Andrew_M 1:a14415de3ad5 58
Andrew_M 1:a14415de3ad5 59 // wait flashing LEDs until start button is pressed
Andrew_M 1:a14415de3ad5 60 while ( pad.check_event(Gamepad::START_PRESSED) == false) {
Andrew_M 1:a14415de3ad5 61 pad.leds_on();
Andrew_M 1:a14415de3ad5 62 wait(0.1);
Andrew_M 1:a14415de3ad5 63 pad.leds_off();
Andrew_M 1:a14415de3ad5 64 wait(0.1);
Andrew_M 0:66e5b37c127e 65 }
Andrew_M 0:66e5b37c127e 66 }
Andrew_M 0:66e5b37c127e 67
Andrew_M 1:a14415de3ad5 68 void init()
Andrew_M 1:a14415de3ad5 69 {
Andrew_M 1:a14415de3ad5 70 // need to initialise LCD and Gamepad
Andrew_M 1:a14415de3ad5 71 lcd.init();
Andrew_M 1:a14415de3ad5 72 pad.init();
Andrew_M 1:a14415de3ad5 73
Andrew_M 1:a14415de3ad5 74 }
Andrew_M 2:9ca5e1c221c3 75
Andrew_M 2:9ca5e1c221c3 76 void render()
Andrew_M 2:9ca5e1c221c3 77 {
Andrew_M 2:9ca5e1c221c3 78 // clear screen, re-draw and refresh
Andrew_M 2:9ca5e1c221c3 79 lcd.clear();
Andrew_M 2:9ca5e1c221c3 80 gameEngine.draw(lcd);
Andrew_M 2:9ca5e1c221c3 81 lcd.refresh();
Andrew_M 2:9ca5e1c221c3 82 }