ECE 4180 @ Georgia Tech

Dependencies:   mbed mbed-rtos 4DGL-uLCD-SE MMA8452

Revision:
10:6f15dcee0a72
Parent:
8:31e63caf37e2
diff -r f20983c914aa -r 6f15dcee0a72 main.cpp
--- a/main.cpp	Wed Oct 28 15:06:56 2015 +0000
+++ b/main.cpp	Thu Apr 30 01:01:47 2020 +0000
@@ -1,171 +1,409 @@
-// uLCD-144-G2 demo program for uLCD-4GL LCD driver library
-//
 #include "mbed.h"
 #include "uLCD_4DGL.h"
+#include "rtos.h"
+#include "MMA8452.h"
 
+#define LEFT_X 45
+#define CENTER_X 65
+#define RIGHT_X 85
+
+#define JUMP_Y 96
+#define CENTER_Y 108
+#define DUCK_Y 120
+
+#define RADIUS 4
+
+#define SPEED 5
+#define VOLUME 0.1
+
+Serial pc(USBTX,USBRX); // included for debugging accelerometer
+MMA8452 acc(p28, p27, 100000);
 uLCD_4DGL uLCD(p9,p10,p11); // serial tx, serial rx, reset pin;
+PwmOut jack(p23);
+DigitalIn jump_button(p22);
+DigitalIn duck_button(p21);
+
+// mutex for writing to the uLCD
+Mutex LCD;
+
+volatile int score;
+volatile int high_score;
+volatile int steps;
+volatile int strikes;
+double acc_x;
+volatile int player_x;
+volatile int player_y;
+
+volatile int obstacle_x;
+volatile int obstacle_y;
+volatile int dodge_x;
+
+int ob_x_roots[] = {61, 65, 69};
+const char* strikes_arr[4] = { "   ", "  X", " XX", "XXX" };
+enum ob_type {dodge, duck, jump};
+ob_type ob_type_arr[] = {dodge, duck, jump};
+
+volatile ob_type obstacle_type;
+
+volatile bool play_leftright;
+volatile bool play_jump;
+volatile bool play_duck;
+volatile bool play_strikes;
+volatile bool play_dead;
+
+void read_sound(void const *argument) {
+    while(1) {
+
+        // different sounds in order of priority to audio output
+        if (play_dead) {
+            jack.period(1.0/440.0);
+            jack = VOLUME/2.0;
+            Thread::wait(750);
+            jack = 0.0;
+            Thread::wait(100);
+            jack = VOLUME/2.0;
+            Thread::wait(750);
+            jack = 0.0;
+            Thread::wait(100);
+            jack = VOLUME/2.0;
+            Thread::wait(750);
+            jack = 0.0;
+            play_dead = false;
+            play_strikes = false;
+            play_duck = false;
+            play_jump = false;
+            play_leftright = false;
+        } else if (play_strikes) {
+            jack.period(1.0/440.0);
+            jack = VOLUME/2.0;
+            Thread::wait(750);
+            jack = 0.0;
+            play_strikes = false;
+            play_duck = false;
+            play_jump = false;
+            play_leftright = false;
+        } else if (play_duck) {
+            jack.period(1.0/130.8);
+            jack = VOLUME/2.0;
+            Thread::wait(1000);
+            jack = 0.0;
+            play_duck = false;
+            play_jump = false;
+            play_leftright = false;
+        } else if (play_jump) {
+            jack.period(1.0/261.6);
+            jack = VOLUME/2.0;
+            Thread::wait(150);
+            jack.period(1.0/523.3);
+            Thread::wait(300);
+            jack = 0.0;
+            play_jump = false;
+            play_leftright = false;
+        } else if (play_leftright) {
+            jack.period(1.0/261.6);
+            jack = VOLUME/2.0;
+            Thread::wait(250);
+            jack = 0.0;
+            play_leftright = false;
+        }
+    }
+}
+
+void read_acc(void const *argument){
+    while(1) {
+        acc.readXGravity(&acc_x);
+        if (acc_x > 0.5) {
+            if (player_x == CENTER_X) {
+                player_x = LEFT_X;
+            } else if (player_x == RIGHT_X) {
+                player_x = CENTER_X;
+            }
+            play_leftright = true;
+            Thread::wait(500);
+        } else if (acc_x < -0.5) {
+            if (player_x == CENTER_X) {
+                player_x = RIGHT_X;
+            } else if (player_x == LEFT_X) {
+                player_x = CENTER_X;
+            }
+            play_leftright = true;
+            Thread::wait(500);
+        }
+        Thread::wait(250);
+    }
+}
+
+void read_score(void const *argument) {
+    while(1) {
+        score = score + 10;
+        LCD.lock();
+        uLCD.locate(11, 0);
+        uLCD.printf("%7D", score); // maximum 7-digit score, cap at 9,999,900
+        LCD.unlock();
+        Thread::wait(1000);
+    }
+}
+
+void read_high_score(void const *argument) {
+    while(1) {
+        LCD.lock();
+        uLCD.locate(0, 0);
+        uLCD.printf("HIGH:\n%D", high_score);
+        LCD.unlock();
+        Thread::wait(1500);
+    }
+}
+
+void read_strikes(void const *argument) {
+    while(1) {
+        LCD.lock();
+        uLCD.locate(15, 1);
+        uLCD.printf(strikes_arr[strikes % 4]);
+        LCD.unlock();
+        Thread::wait(1000);
+    }
+}
+
+// check for button press
+void read_duck(void const *argument) {
+    while(1) {
+        if (!duck_button) {
+            player_y = DUCK_Y;
+            play_duck = true;
+            Thread::wait(1000);
+            player_y = CENTER_Y;
+        }
+    }
+}
+
+// check for button press
+void read_jump(void const *argument) {
+    while(1) {
+        if (!jump_button && player_y != DUCK_Y) {
+            player_y = JUMP_Y;
+            play_jump = true;
+            Thread::wait(1000);
+            if (player_y == JUMP_Y) {
+                player_y = CENTER_Y;
+            }
+        }
+    }
+}
+
+// check if it's game over
+void read_alive(void const *argument) {
+    while(1) {
+        if (strikes >= 3 || score >= 9999900) {
+            if (score > high_score) {
+                high_score = score;
+            }
+            score = 0;
+            strikes = 0;
+            player_x = CENTER_X;
+            player_y = CENTER_Y;
+        }
+    }
+}
+
+void read_position(void const *argument) {
+    while(1) {
+        LCD.lock();
+
+        // cover up positions on screen where there's no player or obstacle
+        if (player_x != LEFT_X) {
+            if (obstacle_y != JUMP_Y) {
+                uLCD.filled_circle(LEFT_X, JUMP_Y, RADIUS, 0x003057);
+            }
+            if (obstacle_y != CENTER_Y) {
+                uLCD.filled_circle(LEFT_X, CENTER_Y, RADIUS, 0x003057);
+            }
+            if (obstacle_y != DUCK_Y) {
+                uLCD.filled_circle(LEFT_X, DUCK_Y, RADIUS, 0x003057);
+            }
+        }
+        if (player_x != CENTER_X) {
+            if (obstacle_y != JUMP_Y) {
+                uLCD.filled_circle(CENTER_X, JUMP_Y, RADIUS, 0x003057);
+            }
+            if (obstacle_y != CENTER_Y) {
+                uLCD.filled_circle(CENTER_X, CENTER_Y, RADIUS, 0x003057);
+            }
+            if (obstacle_y != DUCK_Y) {
+                uLCD.filled_circle(CENTER_X, DUCK_Y, RADIUS, 0x003057);
+            }
+        }
+        if (player_x != RIGHT_X) {
+            if (obstacle_y != JUMP_Y) {
+                uLCD.filled_circle(RIGHT_X, JUMP_Y, RADIUS, 0x003057);
+            }
+            if (obstacle_y != CENTER_Y) {
+                uLCD.filled_circle(RIGHT_X, CENTER_Y, RADIUS, 0x003057);
+            }
+            if (obstacle_y != DUCK_Y) {
+                uLCD.filled_circle(RIGHT_X, DUCK_Y, RADIUS, 0x003057);
+            }
+        }
+        if (player_y != JUMP_Y && obstacle_y != JUMP_Y) {
+            if (player_x == RIGHT_X) {
+                uLCD.filled_circle(player_x, JUMP_Y, RADIUS, 0x003057);
+            } else if (player_x == LEFT_X) {
+                uLCD.filled_circle(player_x, JUMP_Y, RADIUS, 0x003057);
+            } else if (player_x == CENTER_X) {
+                uLCD.filled_circle(player_x, JUMP_Y, RADIUS, 0x003057);
+            }
+        }
+        if (player_y != CENTER_Y && obstacle_y != CENTER_Y) {
+            uLCD.filled_circle(player_x, CENTER_Y, RADIUS, 0x003057);
+        }
+        if (player_y != DUCK_Y && obstacle_y != DUCK_Y) {
+            if (player_x == RIGHT_X) {
+                uLCD.filled_circle(player_x, DUCK_Y, RADIUS, 0x003057);
+            } else if (player_x == LEFT_X) {
+                uLCD.filled_circle(player_x, DUCK_Y, RADIUS, 0x003057);
+            } else if (player_x == CENTER_X) {
+                uLCD.filled_circle(player_x, DUCK_Y, RADIUS, 0x003057);
+            }
+        }
+        uLCD.filled_circle(player_x, player_y, RADIUS, 0xB3A369);
+        LCD.unlock();
+    }
+}
+
+void read_obstacle(void const *argument) {
+    while(1) {
+        LCD.lock();
+        uLCD.filled_rectangle(obstacle_x - 10 - (steps * 2), obstacle_y + 7, obstacle_x + 10 + (steps * 2), obstacle_y - 7, 0x003057);
+        steps++;
+        obstacle_y = obstacle_y + 12;
+
+        // move obstacle along slope down the track
+        if (obstacle_type == dodge) {
+            if (dodge_x >= ob_x_roots[2]) {
+                dodge_x = dodge_x + 2;
+            } else if (dodge_x <= ob_x_roots[0]) {
+                dodge_x = dodge_x - 2;
+            }
+        }
+
+        // reset obstacle if it has exited the screen
+        if (obstacle_y >= 130) {
+            obstacle_type = ob_type_arr[rand() % 3];
+            obstacle_x = ob_x_roots[1];
+            if (obstacle_type == dodge) {
+                dodge_x = ob_x_roots[rand() % 3];
+            }
+            obstacle_y = 12;
+            steps = 0;
+        }
+
+        // draw dodge obstacle
+        if (obstacle_type != dodge) {
+            uLCD.filled_rectangle(obstacle_x - 10 - (steps * 2), obstacle_y + 7, obstacle_x + 10 + (steps * 2), obstacle_y - 7, 0xEAAA00);
+        } else {
+            if (dodge_x >= ob_x_roots[2]) {
+                // draw rectangle on left side, dodge on the right
+                uLCD.filled_rectangle(obstacle_x - 10 - (steps * 2), obstacle_y + 7, dodge_x - 10, obstacle_y - 7, 0xEAAA00);
+            } else if (dodge_x <= ob_x_roots[0]) {
+                // draw rectangle on right side, dodge on the left
+                uLCD.filled_rectangle(dodge_x + 10, obstacle_y + 7, obstacle_x + 10 + (steps * 2), obstacle_y - 7, 0xEAAA00);
+            } else {
+                // draw two rectangles on either side, dodge in the middle
+                uLCD.filled_rectangle(ob_x_roots[0] - 5 - (steps * 2), obstacle_y + 7, ob_x_roots[0] - steps, obstacle_y - 7, 0xEAAA00);
+                uLCD.filled_rectangle(ob_x_roots[2] + steps, obstacle_y + 7, ob_x_roots[2] + 5 + (steps * 2), obstacle_y - 7, 0xEAAA00);
+            }
+        }
+
+        // draw duck/jump obstacle
+        if (obstacle_type == duck) {
+            uLCD.filled_rectangle(obstacle_x - 8 - (steps * 2), obstacle_y + 7, obstacle_x + 8 + (steps * 2), obstacle_y - 5, 0x003057);
+        } else if (obstacle_type == jump) {
+            uLCD.filled_rectangle(obstacle_x - 8 - (steps * 2), obstacle_y + 5, obstacle_x + 8 + (steps * 2), obstacle_y - 7, 0x003057);
+        }
+
+        // check for collisions, increment strikes if so
+        if (obstacle_y == CENTER_Y) {
+            if ((obstacle_type == duck && player_y != DUCK_Y) || (obstacle_type == jump && player_y != JUMP_Y) || (obstacle_type == dodge && dodge_x != player_x)) {
+                strikes++;
+                if (strikes >= 3) {
+                    play_dead = true;
+                } else {
+                    play_strikes = true;
+                }
+            }
+        }
+        LCD.unlock();
+        Thread::wait(SPEED);
+    }
+}
 
 int main()
 {
-    // basic printf demo = 16 by 18 characters on screen
-    uLCD.printf("\nHello uLCD World\n"); //Default Green on black text
-    uLCD.printf("\n  Starting Demo...");
-    uLCD.text_width(4); //4X size text
-    uLCD.text_height(4);
-    uLCD.color(RED);
-    for (int i=10; i>=0; --i) {
-        uLCD.locate(1,2);
-        uLCD.printf("%2D",i);
-        wait(.5);
-    }
-    uLCD.cls();
-    uLCD.printf("Change baudrate......");
-    uLCD.baudrate(3000000); //jack up baud rate to max for fast display
-    //if demo hangs here - try lower baud rates
-    //
-    // printf text only full screen mode demo
-    uLCD.background_color(BLUE);
-    uLCD.cls();
-    uLCD.locate(0,0);
-    uLCD.color(WHITE);
-    uLCD.textbackground_color(BLUE);
-    uLCD.set_font(FONT_7X8);
-    uLCD.text_mode(OPAQUE);
-    int i=0;
-    while(i<64) {
-        if(i%16==0) uLCD.cls();
-        uLCD.printf("TxtLine %2D Page %D\n",i%16,i/16 );
-        i++; //16 lines with 18 charaters per line
-    }
-    wait(0.5);
-    //demo graphics commands
-    uLCD.background_color(BLACK);
+    uLCD.background_color(0x003057);
     uLCD.cls();
-    uLCD.background_color(DGREY);
-    uLCD.filled_circle(60, 50, 30, 0xFF00FF);
-    uLCD.triangle(120, 100, 40, 40, 10, 100, 0x0000FF);
-    uLCD.line(0, 0, 80, 60, 0xFF0000);
-    uLCD.filled_rectangle(50, 50, 100, 90, 0x00FF00);
-    uLCD.pixel(60, 60, BLACK);
-    uLCD.read_pixel(120, 70);
-    uLCD.circle(120, 60, 10, BLACK);
-    uLCD.set_font(FONT_7X8);
-    uLCD.text_mode(TRANSPARENT);
-    uLCD.text_bold(ON);
-    uLCD.text_char('B', 9, 8, BLACK);
-    uLCD.text_char('I',10, 8, BLACK);
-    uLCD.text_char('G',11, 8, BLACK);
-    uLCD.text_italic(ON);
-    uLCD.text_string("This is a test of string", 1, 4, FONT_7X8, WHITE);
-    wait(2);
+    uLCD.text_width(4);
+    uLCD.text_height(4);
+    uLCD.textbackground_color(0x003057);
+    uLCD.color(0xB3A369);
+    uLCD.printf("\nBuzz Run");
 
-//Bouncing Ball Demo
-    float fx=50.0,fy=21.0,vx=1.0,vy=0.4;
-    int x=50,y=21,radius=4;
-    uLCD.background_color(BLACK);
-    uLCD.cls();
-    //draw walls
-    uLCD.line(0, 0, 127, 0, WHITE);
-    uLCD.line(127, 0, 127, 127, WHITE);
-    uLCD.line(127, 127, 0, 127, WHITE);
-    uLCD.line(0, 127, 0, 0, WHITE);
-    for (int i=0; i<1500; i++) {
-        //draw ball
-        uLCD.filled_circle(x, y, radius, RED);
-        //bounce off edge walls and slow down a bit?
-        if ((x<=radius+1) || (x>=126-radius)) vx = -.90*vx;
-        if ((y<=radius+1) || (y>=126-radius)) vy = -.90*vy;
-        //erase old ball location
-        uLCD.filled_circle(x, y, radius, BLACK);
-        //move ball
-        fx=fx+vx;
-        fy=fy+vy;
-        x=(int)fx;
-        y=(int)fy;
-    }
-    wait(0.5);
-//draw an image pixel by pixel
-    int pixelcolors[50][50];
-    uLCD.background_color(BLACK);
+    wait(2);
     uLCD.cls();
-//compute Mandelbrot set image for display
-//image size in pixels
-    const unsigned ImageHeight=128;
-    const unsigned ImageWidth=128;
-    //"c" region to display
-    double MinRe = -0.75104;
-    double MaxRe = -0.7408;
-    double MinIm = 0.10511;
-    double MaxIm = MinIm+(MaxRe-MinRe)*ImageHeight/ImageWidth;
-    double Re_factor = (MaxRe-MinRe)/(ImageWidth-1);
-    double Im_factor = (MaxIm-MinIm)/(ImageHeight-1);
-    unsigned MaxIterations = 2048;
-    for(unsigned y=0; y<ImageHeight; ++y) {
-        double c_im = MaxIm - y*Im_factor;
-        for(unsigned x=0; x<ImageWidth; ++x) {
-            double c_re = MinRe + x*Re_factor;
-            double Z_re = c_re, Z_im = c_im;
-            int niterations=0;
-            for(unsigned n=0; n<MaxIterations; ++n) {
-                double Z_re2 = Z_re*Z_re, Z_im2 = Z_im*Z_im;
-                if(Z_re2 + Z_im2 > 4) {
-                    niterations = n;
-                    break;
-                }
-                Z_im = 2*Z_re*Z_im + c_im;
-                Z_re = Z_re2 - Z_im2 + c_re;
-            }
-            if (niterations!=(MaxIterations-1))
-                uLCD.pixel(x,y,((niterations & 0xF00)<<12)+((niterations & 0xF0)<<8)+((niterations & 0x0F)<<4) );
-        }
+    uLCD.baudrate(3000000); // high baud rate for fast refresh
+
+    // Left-side guardrails
+    uLCD.line(23, 130, 43, 10, 0xFFFFFF);
+    uLCD.line(24, 130, 44, 10, 0xB3A369);
+    uLCD.line(25, 130, 45, 10, 0xB3A369);
+    uLCD.line(26, 130, 46, 10, 0xB3A369);
+    uLCD.line(27, 130, 47, 10, 0xFFFFFF);
+
+    // Right-side guardrails
+    uLCD.line(103, 130, 83, 10, 0xFFFFFF);
+    uLCD.line(104, 130, 84, 10, 0xB3A369);
+    uLCD.line(105, 130, 85, 10, 0xB3A369);
+    uLCD.line(106, 130, 86, 10, 0xB3A369);
+    uLCD.line(107, 130, 87, 10, 0xFFFFFF);
+
+    score = 0;
+    high_score = 0;
+    strikes = 0;
+    steps = 0;
+
+    // make sure sounds are off
+    play_leftright = false;
+    play_jump = false;
+    play_duck = false;
+    play_strikes = false;
+    play_dead = false;
+
+    // initialize player position
+    player_x = CENTER_X;
+    player_y = CENTER_Y;
+
+    // initialize obstacle coordinates
+    obstacle_x = ob_x_roots[1];
+    dodge_x = ob_x_roots[rand() % 3];
+    obstacle_y = 12;
+    obstacle_type = ob_type_arr[rand() % 3];
+
+    // pull up push_buttons
+    jump_button.mode(PullUp);
+    duck_button.mode(PullUp);
+
+    // start threads
+    Thread acc_thread(read_acc);
+    Thread score_thread(read_score);
+    Thread duck_thread(read_duck);
+    Thread jump_thread(read_jump);
+    Thread alive_thread(read_alive);
+    Thread position_thread(read_position);
+    Thread obstacle_thread(read_obstacle);
+    Thread strikes_thread(read_strikes);
+    Thread sound_thread(read_sound);
+    Thread high_score_thread(read_high_score);
+
+    while(1) {
+        // loop forever
     }
-    wait(5);
-// PLASMA wave BLIT animation
-//draw an image using BLIT (Block Image Transfer) fastest way to transfer pixel data
-    uLCD.cls();
-    int num_cols=50;
-    int num_rows=50;
-    int frame=0;
-    double a,b,c=0.0;
-    while(frame<75) {
-        for (int k=0; k<num_cols; k++) {
-            b= (1+sin(3.14159*k*0.75/(num_cols-1.0)+c))*0.5;
-            for (int i=0; i<num_rows; i++) {
-                a= (1+sin(3.14159*i*0.75/(num_rows-1.0)+c))*0.5;
-                // a and b will be a sine wave output between 0 and 1
-                // sine wave was scaled for nice effect across array
-                // uses a and b to compute pixel colors based on rol and col location in array
-                // also keeps colors at the same brightness level
-                if ((a+b) <.667)
-                    pixelcolors[i][k] =  (255-(int(254.0*((a+b)/0.667)))<<16) | (int(254.0*((a+b)/0.667))<<8) | 0;
-                else if ((a+b)<1.333)
-                    pixelcolors[i][k] = (0 <<16) | (255-(int (254.0*((a+b-0.667)/0.667)))<<8) | int(254.0*((a+b-0.667)/0.667));
-                else
-                    pixelcolors[i][k] = (int(255*((a+b-1.333)/0.667))<<16) | (0<<8)  | (255-(int (254.0*((a+b-1.333)/0.667))));
-            }
-        }
-        uLCD.BLIT(39, 39, 50, 50, &pixelcolors[0][0]);
-        c = c + 0.0314159*3.0;
-        if (c > 6.2831) c = 0.0;
-        frame++;
-    }
-    //Load Image Demo
-    uLCD.cls();
-    //SD card needed with image and video files for last two demos
-    uLCD.cls();
-    uLCD.media_init();
-    uLCD.printf("\n\nAn SD card is needed for image and video data");
-    uLCD.set_sector_address(0x001D, 0x4C01);
-    uLCD.display_image(0,0);
-    wait(10);
-    //Play video demo
-    while(1) {
-        uLCD.cls();
-        uLCD.media_init();
-        uLCD.set_sector_address(0x001D, 0x4C42);
-        uLCD.display_video(0,0);
-    }
+
 }
-
-
-