initial commit

projekte/duinopong/duinopong/applet/duinopong.cpp

@@ -0,0 +1,293 @@
+#include <avr/interrupt.h>
+#include <avr/io.h>
+#include <LCD4Bit.h>
+#include <assert.h>
+
+#define DEBUG 0
+
+#include "WProgram.h"
+void awesome_scroller();
+void setup_game();
+void setup();
+void display_paddle (int paddle, int pos);
+void move_ball ();
+void display_ball ();
+void game_over();
+void display_level();
+void level_up();
+void loop();
+LCD4Bit lcd = LCD4Bit(2);
+
+int pinA = 11;
+int pinB = 12;
+int ledPin = 13;
+
+volatile int8_t enc_value = 0;
+volatile int8_t enc_value_old = 0;
+
+void awesome_scroller() {
+  // the logo
+  lcd.cursorTo(1,13);
+  lcd.printIn("ARDUINO POING");
+  lcd.cursorTo(2,1);
+  lcd.printIn("shall i prewarm sir's rotary encoder?");
+
+  // awesum fx
+  delay(500);
+  lcd.cursorTo(2,39);
+  for (int i=0; i<80; i++) {
+    lcd.print(' ');
+    delay(100);
+  }
+}
+
+#define SCALE 64
+#define COLS        20
+#define PADDLE2_POS (COLS-1)
+
+int ball_x, ball_y;
+int ball_vel_x, ball_vel_y;
+uint8_t level;
+
+void setup_game() {
+  lcd.clear();
+
+  // reinit stuff
+  ball_x = 2*SCALE;
+  ball_y = random(0,16);
+  ball_vel_x = 1.0 * SCALE;
+  ball_vel_y = 1.0 * SCALE;
+
+  //
+  for (int i=PADDLE2_POS+2; i<=39; i++) {
+    lcd.cursorTo(2, i);
+    lcd.print(' ');
+  }
+
+  // level
+  level = 1;
+  display_level();
+
+  // init paddles
+  enc_value = 0; 
+  display_paddle(0,2);
+  display_paddle(1,2);
+}
+
+void setup() {
+  //Timer2 Settings
+  TCCR2A = 0;
+  TCCR2B = 0<<CS22 | 1<<CS21 | 0<<CS20;
+
+  //Timer2 Overflow Interrupt Enable
+  TIMSK2 = 1<<TOIE2;
+
+  // pullups  
+  digitalWrite(pinA, HIGH); 
+  digitalWrite(pinB, HIGH); 
+
+  // init lcd
+  lcd.init();
+  lcd.clear();
+  
+  // init serial
+  Serial.begin(9600);
+
+  // intro
+  // awesome_scroller();
+ 
+  // 
+  setup_game(); 
+}
+
+#define ENC_STEPS 2
+static int last;
+ISR(TIMER2_OVF_vect) {
+  int neu, diff;
+
+  // convert gray to binary 
+  neu = 0;
+  if(digitalRead(pinA))
+    neu = 3;
+  if(digitalRead(pinB))
+    neu ^= 1;
+    
+  diff = last - neu;				// difference last - new
+  if( diff & 1 ) {				// bit 0 = value (1)
+    last = neu;					// store new as next last
+    enc_value += (diff & 2) - 1;		// bit 1 = direction (+/-)
+  }
+
+  // begrenze enc_value
+  if (enc_value < 1*ENC_STEPS)
+    enc_value = 1*ENC_STEPS;
+  if (enc_value > 14*ENC_STEPS)
+    enc_value = 14*ENC_STEPS;
+}
+
+
+
+void display_paddle (int paddle, int pos) {
+  #define CHAR_PADDLE paddle
+  
+  assert(paddle == 0 || paddle == 1);
+  
+  // blank first
+  lcd.cursorTo(1,paddle*(COLS-1)); lcd.print(' ');
+  lcd.cursorTo(2,paddle*(COLS-1)); lcd.print(' ');
+
+  // gen char
+  lcd.commandWrite(0x40+CHAR_PADDLE*8); // char 0b00
+  for (uint8_t i = 0; i<8; i++) {
+    if(i == (pos & 0x7) || i-1 == (pos & 0x7) || i+1 == (pos & 0x7) ) {
+      if (paddle == 0) {
+        lcd.print(0b00011);
+      } else {
+        lcd.print(0b11000);
+      }
+    } else {
+      lcd.print(0b00000);
+    }
+  }
+
+  // display shit
+  if (pos < 8) {
+    lcd.cursorTo(1,paddle*PADDLE2_POS); lcd.print(CHAR_PADDLE);
+    lcd.cursorTo(2,paddle*PADDLE2_POS); lcd.print(' ');
+  } else {  
+    lcd.cursorTo(1,paddle*PADDLE2_POS); lcd.print(' ');
+    lcd.cursorTo(2,paddle*PADDLE2_POS); lcd.print(CHAR_PADDLE);
+  }
+}
+
+#define BALL_X_MAX (COLS-2)
+#define res_x BALL_X_MAX*5*SCALE
+#define res_y 16*SCALE
+
+void move_ball () {
+  ball_x += ball_vel_x;
+  ball_y += ball_vel_y;
+  
+  if (ball_x >= res_x || ball_x < 0) {
+    ball_vel_x *= -1;
+    ball_x += ball_vel_x;
+  }
+  
+  if (ball_y >= res_y || ball_y < 0) {
+    ball_vel_y *= -1;
+    ball_y += ball_vel_y;
+  }
+}
+
+int cursor_x_alt = 1;
+int cursor_y_alt = 1;
+
+void display_ball () {
+  #define CHAR_BALL 2
+
+  int cursor_x = (ball_x/SCALE)/5+1;
+  int cursor_y = (ball_y/SCALE)/8+1;
+  
+  // first, delete old ball
+  if (cursor_x != cursor_x_alt || cursor_y != cursor_y_alt) {
+    lcd.cursorTo(cursor_y_alt, cursor_x_alt);
+    lcd.print(' ');
+  }
+  cursor_x_alt = cursor_x;
+  cursor_y_alt = cursor_y;
+ 
+  // second, generate character for new ball
+  lcd.commandWrite(0x40+CHAR_BALL*8);
+  for (int i = 0; i<8; i++) {
+    if(i == ((ball_y/SCALE)&7)) {
+      lcd.print(1 << 4-(ball_x/SCALE)%5);
+    } else {
+      lcd.print(0b00000);
+    }
+  }
+  
+  // third, write new ball
+  lcd.cursorTo(cursor_y, cursor_x);
+  lcd.print(CHAR_BALL);
+}
+
+void game_over() {
+  for (int8_t i=0; i<7; i++) {
+    lcd.cursorTo(2, PADDLE2_POS + 2);
+    lcd.printIn("          ");
+    delay(100);
+
+    lcd.cursorTo(2, PADDLE2_POS + 2);
+    lcd.printIn("GAME OVER.");
+    delay(200);
+  }
+  delay(1000);
+  
+  while(enc_value == enc_value_old);
+  setup_game();
+}
+
+void display_level() {
+  lcd.cursorTo(1, PADDLE2_POS + 2);
+  lcd.printIn("LEVEL ");
+  
+  char level_str[4];
+  itoa(level, level_str, 10);
+  lcd.printIn(level_str);
+}
+
+void level_up() {
+  // pump it up
+  level++;
+  display_level();
+ 
+  // make ball faster
+  // 70 / 64 is about 1.1
+  ball_vel_x = ball_vel_x * 70 / 64; 
+}
+
+int player2 = random(1,14);
+void loop() {
+  // move player1's paddle
+  int val = enc_value;
+  enc_value_old = val;
+  display_paddle(0, val/ENC_STEPS);
+
+  // teh ball!
+  move_ball();
+  display_ball();
+  
+  // incoming ball? WIN or FAIL.
+  if (ball_x/SCALE < 1 && ball_vel_x < 0) {
+    if (val/ENC_STEPS-1 != ball_y/SCALE
+     && val/ENC_STEPS   != ball_y/SCALE
+     && val/ENC_STEPS+1 != ball_y/SCALE) {
+      game_over();
+    } else {
+      level_up();
+    }
+  }
+  
+  // fake computer player2 by moving its paddle in
+  // direction of the ball's vertical position
+  if (ball_vel_x > 0 && ball_x/SCALE > (BALL_X_MAX-4)*5) {
+    if (player2 < ball_y/SCALE && player2 < 14)
+      player2++;
+    if (player2 > ball_y/SCALE && player2 > 1)
+      player2--;
+  }
+  display_paddle(1, player2); 
+}
+
+int main(void)
+{
+	init();
+
+	setup();
+    
+	for (;;)
+		loop();
+        
+	return 0;
+}
+

projekte/duinopong/duinopong/applet/duinopong.cpp.eep

@@ -0,0 +1 @@
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projekte/duinopong/duinopong/applet/duinopong.cpp.hex

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projekte/duinopong/duinopong/duinopong.pde

@@ -0,0 +1,269 @@
+#include <avr/interrupt.h>
+#include <avr/io.h>
+#include <LCD4Bit.h>
+#include <assert.h>
+
+#define DEBUG 0
+
+LCD4Bit lcd = LCD4Bit(2);
+
+int pinA = 11;
+int pinB = 12;
+int ledPin = 13;
+
+volatile int8_t enc_value = 0;
+volatile int8_t enc_value_old = 0;
+
+void awesome_scroller() {
+  // the logo
+  lcd.cursorTo(1,13);
+  lcd.printIn("ARDUINO POING");
+  lcd.cursorTo(2,1);
+  lcd.printIn("shall i prewarm sir's rotary encoder?");
+
+  // awesum fx
+  delay(500);
+  lcd.cursorTo(2,39);
+  for (int i=0; i<80; i++) {
+    lcd.print(' ');
+    delay(100);
+  }
+}
+
+#define SCALE 64
+#define COLS        20
+#define PADDLE2_POS (COLS-1)
+
+int ball_x, ball_y;
+int ball_vel_x, ball_vel_y;
+uint8_t level;
+
+void setup_game() {
+  lcd.clear();
+
+  // reinit stuff
+  ball_x = 2*SCALE;
+  ball_y = random(0,16);
+  ball_vel_x = 1.0 * SCALE;
+  ball_vel_y = 1.0 * SCALE;
+
+  //
+  for (int i=PADDLE2_POS+2; i<=39; i++) {
+    lcd.cursorTo(2, i);
+    lcd.print(' ');
+  }
+
+  // level
+  level = 1;
+  display_level();
+
+  // init paddles
+  enc_value = 0; 
+  display_paddle(0,2);
+  display_paddle(1,2);
+}
+
+void setup() {
+  //Timer2 Settings
+  TCCR2A = 0;
+  TCCR2B = 0<<CS22 | 1<<CS21 | 0<<CS20;
+
+  //Timer2 Overflow Interrupt Enable
+  TIMSK2 = 1<<TOIE2;
+
+  // pullups  
+  digitalWrite(pinA, HIGH); 
+  digitalWrite(pinB, HIGH); 
+
+  // init lcd
+  lcd.init();
+  lcd.clear();
+  
+  // init serial
+  Serial.begin(9600);
+
+  // intro
+  // awesome_scroller();
+ 
+  // 
+  setup_game(); 
+}
+
+#define ENC_STEPS 2
+static int last;
+ISR(TIMER2_OVF_vect) {
+  int neu, diff;
+
+  // convert gray to binary 
+  neu = 0;
+  if(digitalRead(pinA))
+    neu = 3;
+  if(digitalRead(pinB))
+    neu ^= 1;
+    
+  diff = last - neu;				// difference last - new
+  if( diff & 1 ) {				// bit 0 = value (1)
+    last = neu;					// store new as next last
+    enc_value += (diff & 2) - 1;		// bit 1 = direction (+/-)
+  }
+
+  // begrenze enc_value
+  if (enc_value < 1*ENC_STEPS)
+    enc_value = 1*ENC_STEPS;
+  if (enc_value > 14*ENC_STEPS)
+    enc_value = 14*ENC_STEPS;
+}
+
+
+
+void display_paddle (int paddle, int pos) {
+  #define CHAR_PADDLE paddle
+  
+  assert(paddle == 0 || paddle == 1);
+  
+  // blank first
+  lcd.cursorTo(1,paddle*(COLS-1)); lcd.print(' ');
+  lcd.cursorTo(2,paddle*(COLS-1)); lcd.print(' ');
+
+  // gen char
+  lcd.commandWrite(0x40+CHAR_PADDLE*8); // char 0b00
+  for (uint8_t i = 0; i<8; i++) {
+    if(i == (pos & 0x7) || i-1 == (pos & 0x7) || i+1 == (pos & 0x7) ) {
+      if (paddle == 0) {
+        lcd.print(0b00011);
+      } else {
+        lcd.print(0b11000);
+      }
+    } else {
+      lcd.print(0b00000);
+    }
+  }
+
+  // display shit
+  if (pos < 8) {
+    lcd.cursorTo(1,paddle*PADDLE2_POS); lcd.print(CHAR_PADDLE);
+    lcd.cursorTo(2,paddle*PADDLE2_POS); lcd.print(' ');
+  } else {  
+    lcd.cursorTo(1,paddle*PADDLE2_POS); lcd.print(' ');
+    lcd.cursorTo(2,paddle*PADDLE2_POS); lcd.print(CHAR_PADDLE);
+  }
+}
+
+#define BALL_X_MAX (COLS-2)
+#define res_x BALL_X_MAX*5*SCALE
+#define res_y 16*SCALE
+
+void move_ball () {
+  ball_x += ball_vel_x;
+  ball_y += ball_vel_y;
+  
+  if (ball_x >= res_x || ball_x < 0) {
+    ball_vel_x *= -1;
+    ball_x += ball_vel_x;
+  }
+  
+  if (ball_y >= res_y || ball_y < 0) {
+    ball_vel_y *= -1;
+    ball_y += ball_vel_y;
+  }
+}
+
+int cursor_x_alt = 1;
+int cursor_y_alt = 1;
+
+void display_ball () {
+  #define CHAR_BALL 2
+
+  int cursor_x = (ball_x/SCALE)/5+1;
+  int cursor_y = (ball_y/SCALE)/8+1;
+  
+  // first, delete old ball
+  if (cursor_x != cursor_x_alt || cursor_y != cursor_y_alt) {
+    lcd.cursorTo(cursor_y_alt, cursor_x_alt);
+    lcd.print(' ');
+  }
+  cursor_x_alt = cursor_x;
+  cursor_y_alt = cursor_y;
+ 
+  // second, generate character for new ball
+  lcd.commandWrite(0x40+CHAR_BALL*8);
+  for (int i = 0; i<8; i++) {
+    if(i == ((ball_y/SCALE)&7)) {
+      lcd.print(1 << 4-(ball_x/SCALE)%5);
+    } else {
+      lcd.print(0b00000);
+    }
+  }
+  
+  // third, write new ball
+  lcd.cursorTo(cursor_y, cursor_x);
+  lcd.print(CHAR_BALL);
+}
+
+void game_over() {
+  for (int8_t i=0; i<7; i++) {
+    lcd.cursorTo(2, PADDLE2_POS + 2);
+    lcd.printIn("          ");
+    delay(100);
+
+    lcd.cursorTo(2, PADDLE2_POS + 2);
+    lcd.printIn("GAME OVER.");
+    delay(200);
+  }
+  delay(1000);
+  
+  while(enc_value == enc_value_old);
+  setup_game();
+}
+
+void display_level() {
+  lcd.cursorTo(1, PADDLE2_POS + 2);
+  lcd.printIn("LEVEL ");
+  
+  char level_str[4];
+  itoa(level, level_str, 10);
+  lcd.printIn(level_str);
+}
+
+void level_up() {
+  // pump it up
+  level++;
+  display_level();
+ 
+  // make ball faster
+  // 70 / 64 is about 1.1
+  ball_vel_x = ball_vel_x * 70 / 64; 
+}
+
+int player2 = random(1,14);
+void loop() {
+  // move player1's paddle
+  int val = enc_value;
+  enc_value_old = val;
+  display_paddle(0, val/ENC_STEPS);
+
+  // teh ball!
+  move_ball();
+  display_ball();
+  
+  // incoming ball? WIN or FAIL.
+  if (ball_x/SCALE < 1 && ball_vel_x < 0) {
+    if (val/ENC_STEPS-1 != ball_y/SCALE
+     && val/ENC_STEPS   != ball_y/SCALE
+     && val/ENC_STEPS+1 != ball_y/SCALE) {
+      game_over();
+    } else {
+      level_up();
+    }
+  }
+  
+  // fake computer player2 by moving its paddle in
+  // direction of the ball's vertical position
+  if (ball_vel_x > 0 && ball_x/SCALE > (BALL_X_MAX-4)*5) {
+    if (player2 < ball_y/SCALE && player2 < 14)
+      player2++;
+    if (player2 > ball_y/SCALE && player2 > 1)
+      player2--;
+  }
+  display_paddle(1, player2); 
+}