void do_keyboard_irq(void *context, alt_u32 id)
{
char ascii;
int status = 0;
unsigned char key = 0;
KB_CODE_TYPE decode_mode;
struct threshold t = {0, 0};
status = decode_scancode(context, &decode_mode , &key , &ascii) ;
if ((status == 0) && (decode_mode == KB_ASCII_MAKE_CODE)) {
switch (key) {
case 0x42: // k
case 0x75: // up
t.freq = 0.1;
break;
case 0x3b: // j
case 0x72: // down
t.freq = -0.1;
break;
case 0x33: // h
case 0x6b: // left
t.roc = -0.1;
break;
case 0x4b: // l
case 0x74: // right
t.roc = 0.1;
break;
}
portBASE_TYPE ignored;
xQueueSendFromISR(threshold_queue, &t, &ignored);
}
}
alt_u8 getKeyboard(){
alt_u8 data;
if (keyboard_init == 1){
ps2 = alt_up_ps2_open_dev("/dev/ps2_0");
alt_up_ps2_init(ps2); //initialize device
if(ps2->device_type == PS2_KEYBOARD){
printf("keyboard connected\n");
}
else if(ps2->device_type == PS2_MOUSE ){
printf("connected to mouse\n");
}
else if(ps2->device_type == PS2_UNKNOWN){
printf("unknown device\n");
}
else
printf("Not connected\n");
alt_up_ps2_clear_fifo(ps2); //clear buffer
set_keyboard_rate(ps2, 0x00);
keyboard_init = 0; //initialize device once per reset
}
decode_scancode(ps2, &decode, &data, &ascii);
return data;
}
void draw_help_menu(alt_up_pixel_buffer_dma_dev* pixel_buffer, alt_up_char_buffer_dev* char_buffer, alt_up_ps2_dev *ps2_kb, KB_CODE_TYPE decode_mode) {
int count = 0;
int exit_flag = 0;
int current_menu = HOW_TO_PLAY_MENU;
alt_u8 data;
char ascii;
alt_up_pixel_buffer_dma_draw_box(pixel_buffer, 0, 10, 319, 30, BLUE, 0);
draw_menu_text(char_buffer);
draw_how_to_play_guide(pixel_buffer, char_buffer);
while(exit_flag == 0) {
if (decode_scancode(ps2_kb, &decode_mode, &data, &ascii) == 0) {
if(data == LEFT || data == RIGHT || data == ESC) count++;
if(data == LEFT && count >= 2) {
if(current_menu != HOW_TO_PLAY_MENU) current_menu--;
draw_current_menu(pixel_buffer, char_buffer, current_menu);
count = 0;
}
if(data == RIGHT && count >= 2) {
if(current_menu != DEVS_MENU) current_menu++;
draw_current_menu(pixel_buffer, char_buffer, current_menu);
count = 0;
}
if(data == ESC && count >= 2) {
exit_flag = 1;
}
}
}
alt_up_char_buffer_clear(char_buffer);
alt_up_pixel_buffer_dma_clear_screen(pixel_buffer, 0);
}
/* Reads the PS2 buffers for predetermined player movement keys
* and updates global player direction variables
*/
void detect_keys(void) {
//Detect make and break code
if( ! decode_scancode(ps2_dev, &decode_mode, buffer, &ascii)){
// Detect if any predetermined key is pressed
if (decode_mode == KB_ASCII_MAKE_CODE || decode_mode == KB_BINARY_MAKE_CODE){
switch (buffer[0]){
case A_KEY: //If 'A' is pressed
player1_direction = LEFT;
printf("Play1 detected: %i\n",player1_direction);
break;
case S_KEY: //If 'S' is pressed
player1_direction = DOWN;
printf("Play1 detected: %i\n",player1_direction);
break;
case D_KEY: //If 'D' is pressed
player1_direction = RIGHT;
printf("Play1 detected: %i\n",player1_direction);
break;
case W_KEY: //If 'W' is pressed
player1_direction = UP;
printf("Play1 detected: %i\n",player1_direction);
break;
case LEFT_ARROW: //If left arrow is pressed
player2_direction = 1;
printf("Play2 detected: %i\n",player2_direction);
break;
case DOWN_ARROW: //If down arrow is pressed
player2_direction = 4;
printf("Play2 detected: %i\n",player2_direction);
break;
case RIGHT_ARROW: //If right arrow is pressed
player2_direction = 2;
printf("Play2 detected: %i\n",player2_direction);
break;
case UP_ARROW: //If up arrow is pressed
player2_direction = 3;
printf("Play2 detected: %i\n",player2_direction);
break;
default:
break;
}
}
}
}
void ps2_isr (void* context, alt_u32 id)
{
char ascii;
int status = 0;
unsigned char key = 0;
KB_CODE_TYPE decode_mode;
status = decode_scancode (context, &decode_mode , &key , &ascii) ;
if ( status == 0 ) //success
{
// print out the result
switch ( decode_mode )
{
case KB_ASCII_MAKE_CODE :
printf ( "ASCII : %x\n", key ) ;
switch(key){
case 0x75: thres_freq += 0.2;
printf("new freq %.2f", thres_freq);
break;
case 0x72: thres_freq -= 0.2;
printf("new freq %.2f", thres_freq);
break;
case 0x6B: thres_delta -= 0.2;
printf("new delta %.2f", thres_delta);
break;
case 0x74: thres_delta += 0.2;
printf("new delta %.2f", thres_delta);
break;
default:
printf("Unwanted input\n");
break;
}
break ;
case KB_LONG_BINARY_MAKE_CODE :
// do nothing
case KB_BINARY_MAKE_CODE :
printf ( "MAKE CODE : %x\n", key ) ;
break ;
case KB_BREAK_CODE :
// do nothing
default :
printf ( "DEFAULT : %x\n", key ) ;
break ;
}
IOWR(SEVEN_SEG_BASE,0 ,key);
}
}
int main(void) {
while (1) {
state = 0;
int setTime = 15;
numPlayers = 2;
initScreen();
clearScreen();
initCharBuffer();
clean_up();
initKeyboard();
initState0();
initAI();
//Bypass the menu system for testing
if (IORD(keys,0) == 8) {
initPlayer(pOne, MARIO, "pOne", 50, 100, HUMAN);
initPlayer(pTwo, LUIGI, "pTwo", 50, 100, COMPUTER);
state = 2;
} else {
while (state == 0) {
decode_scancode(ps2, &decode_mode, buf, &ascii);
state_0(decode_mode, buf[0]);
};
initState1(pOne);
if(aOn)file_handle = initAudio(fname);
if(aOn)alt_irq_register(AUDIO_0_IRQ, &ab, (alt_isr_func) write_fifo);
if(aOn) alt_up_audio_enable_write_interrupt(ab->audio);
while (state == 1) {
decode_scancode(ps2, &decode_mode, buf, &ascii);
state_1(decode_mode, buf[0], ascii);
if(aOn)loop_audio(file_handle, fname, ab);
};
}
//clean_up();
clearCharBuffer();
clearScreen();
//enable keyboard IRQ
void* keyboard_control_register_ptr = (void*) (KEYBOARD_BASE + 4);
alt_irq_register(KEYBOARD_IRQ, keyboard_control_register_ptr,
keyboard_ISR);
alt_up_ps2_enable_read_interrupt(ps2);
//Draw field and UI to both buffers
initField();
updateField();
drawName(p[pOne].name, p[pTwo].name, p[pThree].name, p[pFour].name);
drawGas(p[pOne].gas);
drawHealth(p[pOne].hp, p[pTwo].hp, p[pThree].hp, p[pFour].hp);
drawBullet(p[pOne].bulletType);
//drawWindIndicator(1);
updateScreen();
updateField();
drawName(p[pOne].name, p[pTwo].name, p[pThree].name, p[pFour].name);
drawGas(p[pOne].gas);
drawHealth(p[pOne].hp, p[pTwo].hp, p[pThree].hp, p[pFour].hp);
drawBullet(p[pOne].bulletType);
//drawWindIndicator(1);
float time;
alt_timestamp_start();
int start_timer_flag = 1;
//printf("NUM PLAYERA %i\n", numPlayers);
int i;
while (state == 2) {
int fallFlag = 1;
//Checks to see if any players are falling
while (fallFlag == 1) {
fallFlag = 0;
for (i = 0; i < numPlayers; i++) {
if (p[i].alive) {
if (p[i].y + TANK_HEIGHT >= SCREEN_HEIGHT-1) {
p[i].hp = 0;
p[i].alive = DEAD;
}
checkPlayerFalling(i);
if (p[i].isFalling) {
undrawPlayer(i);
updatePlayer(i);
fallFlag = 1;
}
}
}
if (fallFlag == 1) {
updateScreen();
}
}
if(start_timer_flag){
start_time = (float) alt_timestamp() / (float) alt_timestamp_freq();
start_timer_flag = 0;
}
time = (float) alt_timestamp() / (float) alt_timestamp_freq()-start_time;
if (time >= setTime) {
setPlayerTurn();
}
if (p[turn].type == HUMAN) {
runGame();
} else {
p[turn].deg = 0;
aiMain(turn);
setPlayerTurn();
}
printTimer(setTime - time);
int deadCount = 0;
for (i = 0; i < numPlayers; i++) {
if (p[i].alive == DEAD)
deadCount++;
}
if (deadCount == numPlayers - 1) {
usleep(500000);
state = 3;
}
}
alt_up_ps2_disable_read_interrupt(ps2);
if(aOn)alt_up_audio_disable_write_interrupt(ab->audio);
GameOverScreen();
}
}
//Keyboard ISR sets the appropriate flags
static void keyboard_ISR(void *c, alt_u32 id) { //keyboard interrupt handler
if (decode_scancode(ps2, &decode_mode, buf, &ascii) == 0) {
printf("Touched %c\n", ascii);
printf("%d is the code\n", decode_mode);
if (decode_mode == KB_BINARY_MAKE_CODE && buf[0] == SPACEBAR) {
fFire = 1;
//theres no power int in the player struct
} else if (decode_mode == KB_ASCII_MAKE_CODE) {
printf("Pressed %c\n", ascii);
switch (ascii) {
case 'A': //left arrow
fLeft = 1;
break;
case 'D': //right arrow
fRight = 1;
break;
case 'W': //up arrow
fUp = 1;
break;
case 'S': //down arrow
fDown = 1;
break;
case 'Q': //down arrow
fBullet = 1;
break;
case 0: //page up
break;
case 1: //page down
break;
}
} else if (decode_mode == KB_LONG_BINARY_MAKE_CODE) {
printf("Pressed %c\n", ascii);
switch (buf[0]) {
case LEFT_ARROW: //left arrow
fLeft = 1;
break;
case RIGHT_ARROW: //right arrow
fRight = 1;
break;
case UP_ARROW: //up arrow
fUp = 1;
break;
case DOWN_ARROW: //down arrow
fDown = 1;
break;
case PAGE_UP: //page up
fpUp = 1;
break;
case PAGE_DOWN: //page down
fpDown = 1;
break;
}
} else if (decode_mode == KB_BREAK_CODE) {
printf("Released %c\n", ascii);
printf("Released %i\n", buf[0]);
switch (buf[0]) {
case 28: //left arrow
fLeft = 0;
break;
case 35: //right arrow
fRight = 0;
break;
case 29: //up arrow
fUp = 0;
break;
case 27: //down arrow
fDown = 0;
break;
case 21: //bullet switchs
fBullet = 0;
break;
}
} else if (decode_mode == KB_LONG_BREAK_CODE) {
printf("Released %c\n", ascii);
printf("Released %i\n", buf[0]);
switch (buf[0]) {
case LEFT_ARROW: //left arrow
fLeft = 0;
break;
case RIGHT_ARROW: //right arrow
fRight = 0;
break;
case UP_ARROW: //up arrow
fUp = 0;
break;
case DOWN_ARROW: //down arrow
fDown = 0;
break;
case SPACEBAR: //space bar
fFire = 0;
break;
case PAGE_UP: //page up
fpUp = 0;
break;
case PAGE_DOWN: //page down
fpDown = 0;
break;
}
}
printf("Exited the keyboard IRQ\n");
}
}