//wirte the main file
int main(void) {
// Set the CPU speed to 8MHz (you must also be compiling at 8MHz)
set_clock_speed(CPU_8MHz);
//initialise the LCD screen
LCDInitialise(LCD_DEFAULT_CONTRAST);
//clear any characters that were written on the screen
clear_screen();
//fill a buffer (array) of charactes with the string "Microcontroller fun begins! - Happy Hacking", in the position x,y
//array is too big for the screen size
//draw_string(10,5, "Microcontroller fun begins! - Happy Hacking");
////array is too big for the screen size, so we break it into 3 parts
draw_string(5,5,"Microcontroller");
draw_string(5,15,"fun begins!");
draw_string(5,25,"Happy Hacking");
//write the string on the lcd
show_screen();
return 0;
}
/**
* Main - Run the main program which prints the system time and flashes the LEDs
* if certain conditions are met
*/
int main() {
// Setup the hardware
set_clock_speed(CPU_8MHz);
init_hardware();
// Wait until the 'debugger' is attached...
draw_centred(17, "Waiting for");
draw_centred(24, "debugger...");
show_screen();
while(!usb_configured() || !usb_serial_get_control());
send_debug_string("Debugger initialised. Debugging strings will appear below:");
// Run the main loop displaying the system time @ ~10Hz...
char buff[BUFF_LENGTH];
unsigned long count = 0;
send_debug_string("Entering main loop...");
while (1) {
// Draw the current system time on the screen
clear_screen();
sprintf(buff, "%7.4f", get_system_time());
draw_centred(21, buff);
if (count < 1) { send_debug_string("Calling show_screen()..."); }
show_screen();
if (count < 1) { send_debug_string("Finished show_screen()."); }
_delay_ms(100);
// Toggle LEDs if the conditions are met
if ((count % 25) == 0) {
PORTB ^= (1 << PB2);
send_debug_string("LED0 was toggled.");
}
if ((count % 50) == 10) {
PORTB ^= (1 << PB3);
send_debug_string("LED1 was toggled.");
}
// Increment the loop count
count++;
enter_breakpoint(99);
}
// We'll never get here...
return 0;
}
int main(void) {
//set clock speed to 8MhZ
set_clock_speed(CPU_8MHz);
//initialise ports and LCD screen
Init();
//initialiase timer
TimerInit();
//initial mesasge
clear_screen();
draw_string(4,4,"Simple Timer");
show_screen();
//stop for 2 sec
_delay_ms(2000);
//temp buffer
char buffer[32];
while (1)
{
if (TCNT0 >= 254)
{
clear_screen();
PORTB ^= (1<<PINB3); // toggle LED at a frequancy
sprintf(buffer,"%u",TCNT0); //
draw_string(20,20,buffer); // print value of the counter
show_screen();
TCNT0 = 0; // reset counter
}
}
return 0;
}
int main(void)
{
//set clock speed to 8MhZ
set_clock_speed(CPU_8MHz);
//call initialisation routines
Init();
PinChangeInit();
clear_screen();
draw_string(10,10,"Interrupt Demo");
show_screen();
//stops for 2 secs
_delay_ms(2000);
//do nothing. stop main program from exiting
while(1);
return 0;
}
// Basic command interpreter for controlling port pins
int main(void)
{
char rx_buf[8];// the buffer to store received characters
uint8_t n = 0; // to store the number of bytes read from the serial port
uint8_t counter = 0; //keep count of the number of cycles in the while loop
// coordinates of the middle of the screen
int x=LCD_X/2;
int y=LCD_Y/2;
//set clock speed to 8MhZ
set_clock_speed(CPU_8MHz);
//initialise LCD and ports
Init();
// initialize the USB, and then wait for the host
// to set configuration. If the Teensy is powered
// without a PC connected to the USB port, this
// will wait forever.
usb_init();
while (!usb_configured()) /* wait */ ;
_delay_ms(1000);
//keep looping until the character 'q' is received
while (rx_buf[0]!='q') {
counter++;
// wait for the user to run their terminal emulator program
// which sets DTR to indicate it is ready to receive.
while (!(usb_serial_get_control() & USB_SERIAL_DTR)) /* wait */ ;
// discard anything that was received prior. Sometimes the
// operating system or other software will send a modem
// "AT command", which can still be buffered.
usb_serial_flush_input();
// and then listen for commands and process them
while (1) {
//send some characters to the other side
//send_str(PSTR("> \n"));
if (usb_serial_available())
n = recv_str(rx_buf, sizeof(rx_buf)); //read serial port
else
break;
parse_and_execute_command(rx_buf, n);
clear_screen();
draw_string(x-40,y,"receiving: ");
show_screen();
draw_char(x+20,y,rx_buf[0]);
show_screen();
}
}
return 0;
}
/**
* Main - Run the game which repeatedly loops through trying to find the gold
*/
int main() {
// Setup the hardware
set_clock_speed(CPU_8MHz);
init_hardware();
// Wait until the 'player' is attached...
draw_centred(17, "Waiting for");
draw_centred(24, "the player...");
show_screen();
while(!usb_configured() || !usb_serial_get_control());
// Run the main game loop
unsigned int seed = 0;
while (1) {
// Game start screen
clear_screen();
draw_centred(16, "--- LUCKY DIP ---");
draw_centred(25, "'s' to start...");
show_screen();
send_line("--- LUCKY DIP ---");
send_line("Press 's' to start...");
// Wait until the key has been pressed (perform seeding only if first run)
unsigned int seed_temp = 0;
int16_t curr_char;
do {
curr_char = usb_serial_getchar();
seed_temp++;
} while (curr_char != 's');
if (seed == 0) {
seed = seed_temp;
srand(seed);
}
usb_serial_write("\r\n", 2);
// Set the gold location
bury_gold();
// Present the 9 closed boxes
clear_screen();
for (unsigned char i = 0; i<BOXES_W*BOXES_H; i++) {
draw_box(i, 0);
}
show_screen();
// Prompt the user to pick a box by pressing a number key until they find the gold
send_line("Please enter a number between 1 and 9 to select a box...");
int dinner = 0;
while (!dinner) {
// Get the users input.
int16_t input = usb_serial_getchar();
// Convert the input to an intager to be used as an id.
int box = (input == '1') ? 0 : (input == '2') ? 1 : (input == '3') ? 2 : (input == '4') ? 3 : (input == '5') ? 4 : (input == '6') ? 5 : (input == '7') ? 6 : (input == '8') ? 7 : (input == '9') ? 8 : -1;
if (box != -1) {
// Debugging - Display selected box (once it's converted to an id from the users input).
char buff[20];
sprintf(buff, "User has selected box #%d", box);
(debug) ? send_debug_string(buff) : 0;
// Is the selected box open? I should probably open it is it's not...
if (is_open[box] == 1) {
send_line(" - That box is already open!");
} else {
is_open[box] = 1;
draw_box(box, 1);
}
// Did that box contain gold!?
if (is_gold[box] == 1) {
show_screen();
dinner = 1;
}
}
show_screen();
}
// Winner, winner, chicken dinner
send_line("You found the $$$!");
for (unsigned char i = 0; i<10; i++) {
PORTB ^= (1 << PB2);
PORTB ^= (1 << PB3);
_delay_ms(250);
}
}
// We'll never get here...
return 0;
}
// Basic command interpreter for controlling port pins
int main(void)
{
char rx_buf[8];// the buffer to store received characters
uint8_t n=0; //number of bytes read
//set clock speed to 8MhZ
set_clock_speed(CPU_8MHz);
//initialise LCD and ports
Init();
// initialize the USB, and then wait for the host
// to set configuration. If the Teensy is powered
// without a PC connected to the USB port, this
// will wait forever.
usb_init();
while (!usb_configured()) /* wait */ ;
_delay_ms(1000);
//keep looping until the character 'q' is received
while (rx_buf[0]!='q') {
// wait for the user to run their terminal emulator program
// which sets DTR to indicate it is ready to receive.
while (!(usb_serial_get_control() & USB_SERIAL_DTR)) /* wait */ ;
// discard anything that was received prior. Sometimes the
// operating system or other software will send a modem
// "AT command", which can still be buffered.
usb_serial_flush_input();
// and then listen for commands and process them
while (1) {
if (usb_serial_available())
{
n = recv_str(rx_buf, sizeof(rx_buf)); //read serial port
//send a characters to the other side
send_str(PSTR("> \n"));
}
else
{
break;
}
//check first character of the buffer and perform an action
if(rx_buf[0]=='a') //turn LED0 ON
PORTB = 1<<2;
if(rx_buf[0]=='d') //turn LED1 ON
PORTB = 1<<3;
if(rx_buf[0]=='s') //turn LED0 OFF
PORTB = 0x00;
}
}
return 0;
}
