void initialize()
{
play_from_program_space(welcome);
#ifdef DEBUG
// start receiving data at 9600 baud.
serial_set_baud_rate(9600);
serial_receive_ring(buffer, 100);
#endif
// initialize your QTR sensors
// unsigned char qtr_rc_pins[] = {IO_C0, IO_C1, IO_C2};
// unsigned char qtr_rc_pins[] = {IO_C0, IO_C1, IO_C2, IO_C3, IO_C4, IO_C5, IO_D7, IO_D4};
unsigned char qtr_rc_pins[] = {IO_D4, IO_D7, IO_C5, IO_C4, IO_C3, IO_C2, IO_C1, IO_C0};
qtr_rc_init(qtr_rc_pins, 8, 2000, IO_D2); // 800 us timeout, emitter pin PD2
#ifdef DEBUG
serial_send_blocking("Press Button A to start calibrating...\n", 39);
#endif
wait_for_button_press(BUTTON_A);
// Always wait for the button to be released so that the robot doesn't
// start moving until your hand is away from it.
wait_for_button_release(BUTTON_A);
delay_ms(800);
// then start calibration phase and move the sensors over both
// reflectance extremes they will encounter in your application:
// We use a value of 2000 for the timeout, which
// corresponds to 2000*0.4 us = 0.8 ms on our 20 MHz processor.
unsigned int counter; // used as a simple timer
for(counter = 0; counter < 82; counter++)
{
if(counter < 20 || counter >= 60)
set_motors(60,-60);
else
set_motors(-60,60);
qtr_calibrate(QTR_EMITTERS_ON);
// Since our counter runs to 80, the total delay will be
// 80*20 = 1600 ms.
delay_ms(20);
}
set_motors(0,0);
#ifdef DEBUG
serial_send_blocking("Press Button A to start line following...\n", 42);
#endif
wait_for_button_press(BUTTON_A);
wait_for_button_release(BUTTON_A);
}
int main()
{
lcd_load_custom_character(happy, 0);
lcd_load_custom_character(sad, 1);
lcd_load_custom_character(indifferent, 2);
lcd_load_custom_character(surprised, 3);
lcd_load_custom_character(mocking, 4);
clear(); // this must be called before we can use the custom characters
print("mood: ?");
// initialize the random number generator based on how long we hold the button the first time
wait_for_button_press(ANY_BUTTON);
long seed = 0;
while(button_is_pressed(ANY_BUTTON))
seed++;
srandom(seed);
while(1)
{
lcd_goto_xy(6, 0); // move cursor to the correct position
char mood;
do
{
mood = random()%5;
} while (mood == prevMood); // ensure we get a new mood that differs from the previous
prevMood = mood;
print_character(mood); // print a random mood character
wait_for_button(ANY_BUTTON); // wait for any button to be pressed
}
}
int main( void )
{
/* perform battery check */
bat_check();
/* display welcome message and */
/* seed random number generator */
clear();
lcd_goto_xy(0,0);
print("Welcome!");
lcd_goto_xy(0,1);
print("Press B");
wait_for_button_press(BUTTON_B); /* button down */
long seed = 0;
while(button_is_pressed(BUTTON_B)) /* while button not released */
seed++;
srandom(seed);
while(1)
{
clear();
/* obtain random number between 0-9 */
int val = random() % 10;
/* display number */
lcd_goto_xy(0,0);
print_long(val);
lcd_goto_xy(0,1);
print("Press B");
/* wait for user to press/release B */
wait_for_button(BUTTON_B);
}
}
//Calibrates the sensor
void calibrate(unsigned int *sensors, unsigned int *minv, unsigned int *maxv) {
//say something to the user
clear();
lcd_goto_xy(0, 0);
print(" Fluffy");
lcd_goto_xy(0, 1);
print("A=Go!");
//wait on the calibration button
wait_for_button_press(BUTTON_A);
//wait for the user to move his hand
delay_ms(500);
//activate the motors
set_motors(40, -40);
//take 165 readings from the sensors...why not?
int i;
for (i = 0; i < 165; i++) {
read_line_sensors(sensors, IR_EMITTERS_ON);
update_bounds(sensors, minv, maxv);
delay_ms(10);
}
//and turn the motors off, we're done
set_motors(0, 0);
delay_ms(750);
}
// waits for a button, plays the appropriate beep, and returns the
// button or buttons that were pressed
char wait_for_button_and_beep()
{
char button = wait_for_button_press(ANY_BUTTON);
if(button & BUTTON_A)
play_from_program_space(beep_button_a);
else if(button & BUTTON_B)
play_from_program_space(beep_button_b);
else
play_from_program_space(beep_button_c);
wait_for_button_release(button);
return button;
}
int main()
{
while(1)
{
clear();
print("Waiting");
// wait for either the top or bottom buttons to be pressed
// store the value of the pressed button in the variable 'button'
unsigned char button = wait_for_button_press(TOP_BUTTON | BOTTOM_BUTTON);
clear();
if (button == TOP_BUTTON) // display the button that was pressed
print("top down");
else
print("bot down");
wait_for_button_release(button); // wait for that button to be released
clear();
print("released"); // display that the button was released
delay_ms(1000);
}
}
void menu_select()
{
static int menu_index = 0;
print_two_lines_delay_1s(main_menu_intro_line1,main_menu_intro_line2);
while(1)
{
clear();
lcd_goto_xy(0,1);
print_from_program_space(menu_line2);
lcd_goto_xy(0,0);
print_from_program_space(main_menu_options[menu_index]);
lcd_show_cursor(CURSOR_BLINKING);
// the cursor will be blinking at the end of the option name
// wait for all buttons to be released, then a press
while(button_is_pressed(ANY_BUTTON));
char button = wait_for_button_press(ANY_BUTTON);
if(button & BUTTON_A)
{
play_from_program_space(beep_button_a);
menu_index --;
}
else if(button & BUTTON_B)
{
lcd_hide_cursor();
clear();
play_from_program_space(beep_button_b);
wait_for_button_release(button);
while(!button_is_pressed(BUTTON_B))
{
lcd_goto_xy(0,1);
print_from_program_space(back_line2);
lcd_goto_xy(0,0);
main_menu_functions[menu_index]();
}
set_motors(0,0);
stop_playing();
m1_speed = 0;
m2_speed = 0;
red_led(0);
green_led(0);
play_from_program_space(beep_button_b);
return;
}
else if(button & BUTTON_C)
{
play_from_program_space(beep_button_c);
menu_index ++;
}
if(menu_index < 0)
menu_index = main_menu_length-1;
if(menu_index >= main_menu_length)
menu_index = 0;
}
}
