//method to figure out what sound to play
// === Timer Thread =================================================
static PT_THREAD (protothread_timer(struct pt *pt))
{
PT_BEGIN(pt);
tft_setCursor(100, 0);
tft_setTextColor(ILI9340_WHITE); tft_setTextSize(1);
tft_writeString("Elapsed time : \t Score");
while(1) {
PT_YIELD_TIME_msec(1000) ;
sys_time_seconds++ ;
tft_fillRect(100, 10, 150, 8, ILI9340_BLACK);// x,y,w,h,radius,color
tft_setCursor(100, 10);
tft_setTextColor(ILI9340_YELLOW); tft_setTextSize(1);
sprintf(buffer,"%*d %*d", 7, sys_time_seconds, 12, score);
tft_writeString(buffer);
tft_fillRect(175, 18, 2, 7, ILI9340_CYAN);
tft_fillRect(248, 18, 2, 7, ILI9340_CYAN);
tft_fillRect(175, 18, 75, 2, ILI9340_CYAN);
tft_fillRect(175, 233, 2, 7, ILI9340_CYAN);
tft_fillRect(248, 233, 2, 7, ILI9340_CYAN);
tft_fillRect(175, 238, 75, 2, ILI9340_CYAN);
if(score >= 50 && sys_time_seconds <= 60) {
tft_setCursor(100, 90);
tft_setTextColor(ILI9340_GREEN); tft_setTextSize(3);
tft_writeString("You Win!");
}
else if(score <= -50 || sys_time_seconds > 60) {
tft_setCursor(100, 90);
tft_setTextColor(ILI9340_RED); tft_setTextSize(3);
tft_writeString("You Lose!");
}
}
PT_END(pt);
} // timer thread
// === Color Thread =================================================
// draw 3 color patches for R,G,B from a random number
//static int color ;
//static int i;
static PT_THREAD (protothread_color(struct pt *pt))
{
PT_BEGIN(pt);
static int color ;
static int i;
while(1) {
// yield time 1 second
PT_YIELD_TIME_msec(2000) ;
// choose a random color
color = rand() & 0xffff ;
// draw color string
tft_fillRoundRect(0,50, 150, 14, 1, ILI9340_BLACK);// x,y,w,h,radius,color
tft_setCursor(0, 50);
tft_setTextColor(ILI9340_WHITE); tft_setTextSize(1);
sprintf(buffer," %04x %04x %04x %04x", color & 0x1f, color & 0x7e0, color & 0xf800, color);
tft_writeString(buffer);
// draw the actual color patches
tft_fillRoundRect(5,70, 30, 30, 1, color & 0x1f);// x,y,w,h,radius,blues
tft_fillRoundRect(40,70, 30, 30, 1, color & 0x7e0);// x,y,w,h,radius,greens
tft_fillRoundRect(75,70, 30, 30, 1, color & 0xf800);// x,y,w,h,radius,reds
// now draw the RGB mixed color
tft_fillRoundRect(110,70, 30, 30, 1, color);// x,y,w,h,radius,mix color
// NEVER exit while
} // END WHILE(1)
PT_END(pt);
} // color thread
static PT_THREAD (protothread_key(struct pt *pt))
{
PT_BEGIN(pt);
static int keypad, i, pattern;
// order is 0 thru 9 then * ==10 and # ==11
// no press = -1
// table is decoded to natural digit order (except for * and #)
// 0x80 for col 1 ; 0x100 for col 2 ; 0x200 for col 3
// 0x01 for row 1 ; 0x02 for row 2; etc
static int keytable[12]={0x108, 0x81, 0x101, 0x201, 0x82, 0x102, 0x202, 0x84, 0x104, 0x204, 0x88, 0x208};
// init the keypad pins A0-A3 and B7-B9
// PortA ports as digital outputs
mPORTASetPinsDigitalOut(BIT_0 | BIT_1 | BIT_2 | BIT_3); //Set port as output
// PortB as inputs
mPORTBSetPinsDigitalIn(BIT_7 | BIT_8 | BIT_9); //Set port as input
while(1) {
// read each row sequentially
mPORTAClearBits(BIT_0 | BIT_1 | BIT_2 | BIT_3);
pattern = 1; mPORTASetBits(pattern);
// yield time
PT_YIELD_TIME_msec(30);
//mPORTAClearBits(BIT_0 | BIT_1 | BIT_2 | BIT_3);
//pattern = 1; mPORTASetBits(pattern);
for (i=0; i<4; i++) {
keypad = mPORTBReadBits(BIT_7 | BIT_8 | BIT_9);
if(keypad!=0) {keypad |= pattern ; break;}
mPORTAClearBits(pattern);
pattern <<= 1;
mPORTASetBits(pattern);
}
// search for keycode
if (keypad > 0){ // then button is pushed
for (i=0; i<12; i++){
if (keytable[i]==keypad) break;
}
}
else i = -1; // no button pushed
// draw key number
tft_fillRoundRect(30,200, 100, 28, 1, ILI9340_BLACK);// x,y,w,h,radius,color
tft_setCursor(30, 200);
tft_setTextColor(ILI9340_YELLOW); tft_setTextSize(4);
sprintf(buffer,"%d", i);
if (i==10)sprintf(buffer,"*");
if (i==11)sprintf(buffer,"#");
tft_writeString(buffer);
// NEVER exit while
} // END WHILE(1)
PT_END(pt);
} // keypad thread
void setup_lcd_fs(void){
_disable_interrupts();
WDTCTL = WDTPW | WDTHOLD; // Stop watchdog timer
BCSCTL1 = CALBC1_16MHZ; /* Set DCO for 16 MHz */
DCOCTL = CALDCO_16MHZ;
delay_ms(100);
// Initialize SD card:
spi_initialize();
dres = disk_initialize();
tft_init_hw();
tft_begin();
tft_fillScreen(ILI9340_WHITE);
tft_setCursor(0, 1);
tft_setTextColor(ILI9340_BLACK);
tft_setTextSize(1);
if (dres){
sprintf(buffer, "Disk error = %d\n", (int) dres);
tft_writeString(buffer);
while (1);
}
pres = pf_mount(&fs);
if (pres){
sprintf(buffer, "PFF error 1 = %d\n", (int) pres);
tft_writeString(buffer);
while (1);
}
tft_fillScreen(ILI9340_WHITE);
P1DIR |= BIT0 | BIT1;
P1OUT &= ~ (BIT0 | BIT1);
}
// === Timer Thread =================================================
// update a 1 second tick counter
static PT_THREAD (protothread_timer(struct pt *pt))
{
PT_BEGIN(pt);
tft_setCursor(0, 0);
tft_setTextColor(ILI9340_WHITE); tft_setTextSize(1);
tft_writeString("Time in seconds since boot\n");
while(1) {
// yield time 1 second
PT_YIELD_TIME_msec(1000) ;
sys_time_seconds++ ;
// draw sys_time
tft_fillRoundRect(0,10, 100, 14, 1, ILI9340_BLACK);// x,y,w,h,radius,color
tft_setCursor(0, 10);
tft_setTextColor(ILI9340_YELLOW); tft_setTextSize(2);
sprintf(buffer,"%d", sys_time_seconds);
tft_writeString(buffer);
// NEVER exit while
} // END WHILE(1)
PT_END(pt);
} // timer thread
// This thead displays the value of the capcitor if it is in the 1nF-100nF range
// or diplays a message if the capacitor is out of range
static PT_THREAD(protothread_cap_read(struct pt *pt)) {
PT_BEGIN(pt);
tft_setCursor(0,0);
tft_setTextColor(ILI9340_WHITE);
tft_setTextSize(2);
tft_writeString("Measuring capacitance:");
while(1) {
tft_setCursor(0,30);
tft_setTextColor(ILI9340_YELLOW);
tft_setTextSize(2);
if (capacitance < 1 || capacitance > 99) {
tft_fillRoundRect(0,30, 320, 40, 1, ILI9340_BLACK);// x,y,w,h,radius,color
tft_writeString("Capacitor out of range!");
}
else {
tft_fillRoundRect(0,30, 320, 40, 1, ILI9340_BLACK);// x,y,w,h,radius,color
sprintf(buffer, "%4.1f nF", capacitance);
tft_writeString(buffer);
}
PT_YIELD_TIME_msec(200);
}
PT_END(pt);
}
static PT_THREAD(protothread_anim(struct pt *pt)) {
// runs the LCD and updates around 5/second
PT_BEGIN(pt);
//write to screen
tft_fillRect(0,0, 50, 50, ILI9340_BLACK);//write black over previous message
tft_setCursor(0, 0);
tft_setTextColor(ILI9340_WHITE);
tft_setTextSize(1);//smallest size
sprintf(buffer,"%s%d", "time since startup:\n", PT_GET_TIME()/1000 );
tft_writeString(buffer);
PT_YIELD_TIME_msec(30);
PT_END(pt);
} // animation thread
//===================== Capture ==================== //
// Discharges capacitor, displays and begins measurement of C1INA
static PT_THREAD (protothread_capture(struct pt *pt))
{
PT_BEGIN(pt);
while(1) {
// sets pin 7 to an output
mPORTBSetPinsDigitalOut(BIT_3);
mPORTBClearBits(BIT_3);
tft_setCursor(10, 50);
tft_setTextColor(ILI9340_YELLOW); tft_setTextSize(3);
tft_writeString("Capacitance: ");
//sets up for the capacitor reading
char buffer[20];
tft_setCursor(10, 90);
tft_fillRect(10,90, 300, 100, ILI9340_BLACK);
sprintf(buffer,"%.1f nF",cap);
tft_setTextColor(ILI9340_WHITE);
//displays the capacitor value if it is above the threshold of 1 nF
if(cap < 1.0*(1-ERROR))
tft_writeString("No capacitor");
else
tft_writeString(buffer);
cap = 0.0;
PT_YIELD_TIME_msec(1);
//Clear timer and sets pin 7 as input
WriteTimer2(0);
mPORTBSetPinsDigitalIn(BIT_3);
PT_YIELD_TIME_msec(100);
}
PT_END(pt);
} // capture
static PT_THREAD(protothread_cap_read(struct pt *pt)) {
PT_BEGIN(pt);
tft_setCursor(0,0);
tft_setTextColor(ILI9340_WHITE);
tft_setTextSize(3);
tft_writeString("Measuring capacitance:\n");
while(1) {
tft_setCursor(0,10);
tft_setTextColor(ILI9340_YELLOW);
tft_setTextSize(3);
if (capacitance == 0) {
tft_writeString("No capacitor detected");
}
else if (capacitance == 999) {
tft_writeString("Capacitor out of range!");
}
else {
sprintf(buffer, "%5.1f", capacitance);
}
tft_writeString(buffer);
PT_YIELD_TIME_msec(200);
}
PT_END(pt);
}
//======================= Refresh ========================= //
//Does Ball calculations and Draws the necessary elements on the screen
static PT_THREAD (protothread_refresh(struct pt *pt))
{
PT_BEGIN(pt);
PT_YIELD_TIME_msec(100);
//waits for the scoreboard to be set up
while(1) {
while (timeElapsed <=60) {
PT_YIELD_TIME_msec(10);
DmaChnDisable(dmaChn);
DmaChnDisable(dmaChn2);
//Generates a new ball at a given interval
if(ballgen >= 10) {
int troll1 = -((rand()) % 2)-1;
int troll2 = ((rand()) % 6) - 3;
struct Ball *temp = Ball_create(320,120,troll1,troll2,(numBalls+1)*500,0,NULL);
temp->b = head;
head = temp;
ballgen = 0;
numBalls++;
}
else
ballgen ++;
//collision calculations
struct Ball *ti = head;
struct Ball *tj = NULL;
if(ti != NULL)
tj = ti->b;
while(ti !=NULL){
//Calculates the collisions between every ball
while(tj != NULL) {
int rij_x = ti->xpos - tj->xpos;
int rij_y = ti->ypos - tj->ypos;
int mag_rij = pow(rij_x,2) + pow(rij_y,2);
//Checks if ti and tj are not pointing to the same ball,
//If they close enough for a collision and there is no collision
//delay.
if( ti->delay + tj->delay == 0 && mag_rij < dist) {
int vij_x = ti->xvel - tj->xvel;
int vij_y = ti->yvel - tj->yvel;
if (mag_rij==0) {
mag_rij=dist;
}
int deltaVi_x = (int)((-1*(rij_x) * ((((rij_x * vij_x)+ (rij_y*vij_y)) << 7)/mag_rij)) >> 7);
int deltaVi_y = (int)((-1*(rij_y) * ((((rij_x * vij_x)+ (rij_y*vij_y)) << 7)/mag_rij)) >> 7);
/*
tft_fillRoundRect(0,30, 320, 14, 1, ILI9340_BLACK);// x,y,w,h,radius,color
tft_setCursor(0, 30);
tft_setTextColor(ILI9340_WHITE); tft_setTextSize(2);
sprintf(buffer,"%d:%d", (-1*(rij_x)/128 * (128*((rij_x * vij_x)+ (rij_y*vij_y))/mag_rij)), mag_rij);
tft_writeString(buffer);
*/
//Updates the velocity
ti->xvel = ti->xvel + deltaVi_x;
ti->yvel = ti->yvel + deltaVi_y;
tj->xvel = tj->xvel - deltaVi_x;
tj->yvel = tj->yvel - deltaVi_y;
ti->delay = delay_master;
tj->delay = delay_master;
}
tj = tj->b;
}
//checks for wall collisions
if(ti->xpos >= 320*scale || ti->xpos <= 0)
ti->xvel = -1*ti->xvel;
if(ti->ypos >= 240*scale || ti->ypos <= 35*scale) {
ti->yvel = -1*ti->yvel;
if (ti->xpos > 120*scale && ti->xpos < 200*scale) { //check for catch bin
ti->delay=-1; //set to -1 to indicate +1 point
}
}
//calculates the drag
if(ti->xvel > 0)
ti->xvel = ti->xvel - ti->xvel/drag;
else
ti->xvel = ti->xvel + ti->xvel/drag;
if(ti->yvel > 0)
ti->yvel = ti->yvel - ti->yvel/drag;
else
ti->yvel = ti->yvel - ti->yvel/drag;
// Check for paddle Collisions
if(abs(paddle_xpos-ti->xpos/scale) <= ballradius && ti->delay == 0)
if(ti->ypos/scale > paddle_ypos - half_paddle_length && ti->ypos/scale < paddle_ypos + half_paddle_length) {
ti->xvel = -1*ti->xvel;
ti->yvel = ti->yvel + paddle_drag*paddle_v;
ti->delay=delay_master;
}
//Decrement the collide delay
if(ti->delay > 0)
ti->delay = ti->delay -1;
//iterates through the next set
ti = ti->b;
if(ti != NULL)
tj = ti->b;
//removes the last element if the limit is reached
if(numBalls > maxBalls && tj->b == NULL) {
tft_fillCircle(tj->xpos/scale,tj->ypos/scale,ballradius,ILI9340_BLACK); //erases from the screen
ti->b = NULL;
numBalls--;
score++;
//free(tj);
}
}
// Calculates position of the paddle and draw
//TODO: Calculate paddle position
tft_drawLine(paddle_xpos,paddle_ypos - half_paddle_length, paddle_xpos, paddle_ypos + half_paddle_length, ILI9340_BLACK);
paddle_v=paddle_ypos;
paddle_ypos=(adc_9*240)/1023;
paddle_v=paddle_ypos-paddle_v;
tft_drawLine(paddle_xpos,paddle_ypos - half_paddle_length, paddle_xpos, paddle_ypos + half_paddle_length, ILI9340_WHITE);
// Now it calculates the new position
ti = head;
tj = head;
while(ti != NULL){
//"Clears" the image of the last ball
tft_fillCircle(ti->xpos/scale,ti->ypos/scale,ballradius,ILI9340_BLACK);
//Updates the new position of the ball
ti->xpos = ti->xpos + ti->xvel;
ti->ypos = ti->ypos + ti->yvel;
//ensures the positions are within bounds
//If the pos is less than 0 then we remove it
//delay must also not be -1 (ie >=0)
if(ti->xpos > paddle_xpos && ti->delay != -1) {
if(ti->xpos > 320*scale)
ti->xpos = 320*scale;
if(ti->ypos > 240*scale)
ti->ypos = 240*scale;
else if(ti->ypos < 35*scale)
ti->ypos = 35*scale;
if(ti->delay > 0)
tft_fillCircle(ti->xpos/scale, ti->ypos/scale, ballradius, ILI9340_WHITE);
else
tft_fillCircle(ti->xpos/scale, ti->ypos/scale, ballradius, ti->color);
}
else { //REMOVES THE BALL IF IT CROSSES THE BOUNDARY
if (ti->delay==-1) { //check if went into catch bins
score++;
DmaChnEnable(dmaChn2);
}
else {
DmaChnEnable(dmaChn);
score--;
}
if(ti == head)
head = head->b;
else
tj->b = ti->b;
numBalls--;
//free(ti);
}
tj = ti;//what does this do?
ti = ti->b;
}
frames ++;
}
tft_fillRoundRect(0,35, 320, 205, 1, ILI9340_BLACK);// x,y,w,h,radius,color
DmaChnDisable(dmaChn);
DmaChnDisable(dmaChn2);
DmaChnEnable(dmaChn3);
while (1) {
tft_setCursor(20, 120);
tft_setTextColor(ILI9340_WHITE); tft_setTextSize(4);
sprintf(buffer,"Game Over!");
tft_writeString(buffer);
}
}