Diff: main.cpp

Revision:

1:d63a63f0d397

Parent:

0:be41a15e7a86

Child:

2:482d74ef09c8

--- a/main.cpp	Fri Dec 11 12:25:25 2020 +0000
+++ b/main.cpp	Fri Mar 05 16:58:05 2021 +0000
@@ -1,40 +1,69 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2019 ARM Limited
- * SPDX-License-Identifier: Apache-2.0
- */
 
+///////////// includes /////////////////////
 #include "mbed.h"
 #include "platform/mbed_thread.h"
 #include "Joystick.h"
 #include "N5110.h"
-
-
-//VCC,SCE,RST,D/C,MOSI,SCLK,LED
+#include "ShiftReg.h"  
+#include "PongEngine.h"
+#include "Utils.h"
+///////////// defines /////////////////////
+#define PADDLE_WIDTH 2
+#define PADDLE_HEIGHT 8
+#define BALL_SIZE 2
+#define BALL_SPEED 3
+///////////// objects ///////////////////
 N5110 lcd(p14,p8,p9,p10,p11,p13,p21);
+Joystick joystick(p20,p19);
+DigitalIn buttonA(p29);
+BusOut leds(LED4,LED3,LED2,LED1);
+ShiftReg seven_seg;
+PongEngine pong;
+///////////// prototypes ///////////////
+void init();
+void render();
+void welcome();
+////////////////////////////////////////
 
-//                y     x  
-Joystick joystick(p20,p19);
+int main() {
+    init();      // initialise devices and objects
+    welcome();   // waiting for the user to start 
+    render();    // first draw the initial frame 
+    thread_sleep_for(500);  // and wait for one frame period (100 ms - 10 fps
+    
+    while (1) {
+        // read the joystick input and store in a struct
+        UserInput input = {joystick.get_direction(),joystick.get_mag()};
+        pong.update(input);     // update the game engine based on input
+        render();               // draw frame on screen
+        thread_sleep_for(500);  // 100 ms - 10 f.p.s
+    }
+}
 
-int main()
-{
-    // initialise the LCD and joystick
+void init() {
+    seven_seg.write(0x00);  // turn of 7-seg display
     lcd.init();
     lcd.setContrast(0.5);
     joystick.init();
-    
-    while (1) {
-        // read the joystick to get the x- and y- values
-        Vector2D coord = joystick.get_mapped_coord(); 
-        printf("Coord = %f | %f\n",coord.x,coord.y);    
-        
-        lcd.clear();  // clear buffer at the start of the loop
-        char buffer[14]={0};  // each character is 6 pixels wide, screen is 84 pixels (84/6 = 14)
-        sprintf(buffer,"x = %.3f",coord.x); // print formatted data to buffer
-        lcd.printString(buffer,0,2);     // display on screen
-        sprintf(buffer,"y = %.3f",coord.y); // print formatted data to buffer
-        lcd.printString(buffer,0,3);     // display on screen
-        lcd.refresh();  // need to fresh the screen to get the message to appear
-        
-        thread_sleep_for(200);
+    pong.init(2,8,2,2,2);     // paddle x position, paddle_height,paddle_width,ball_size,speed
+}
+
+void render() {  // clear screen, re-draw and refresh
+    lcd.clear();  
+    pong.draw(lcd);
+    lcd.refresh();
+}
+
+void welcome() { // splash screen
+    lcd.printString("     Pong!    ",0,1);  
+    lcd.printString("    Press A   ",0,4);
+    lcd.refresh();
+     
+    // wait flashing LEDs until button A is pressed 
+    while ( buttonA.read() == 0) {
+        leds = 0b1111;
+        thread_sleep_for(100);
+        leds = 0b0000;
+        thread_sleep_for(100);   
     }
-}
+}
\ No newline at end of file