void main (void) {
//k is a loop parameter used to determine which byte is currently expected for MIDI in
k=0;
USART_Init(BAUD_PRESCALE);
//pin 0 of D is the MIDI serial in
//pin 1 is MIDI serial out
DDRD = 0b11111110;
//DDRB is connected to the LED bar
DDRB = 0xFF;
//DDRA has record on pin 0 and playback on pin 1
DDRA = 0x00;
// initialize timer
timer1_init();
bool flush = true;
//keep looping forever
while(1){
//record and playback both off.
//go to this state to transition from record to playback or playback to playback
if(PINA == 0){
//display current state on LEDs
PORTB = 0x00;
//reset address and expect a note on to be the next byte
addr = 0;
k = 0;
flush = true;
}
//record on, playback off
if(PINA == 1){
//display current state
PORTB = 0x01;
//record the next MIDI byte
USART_Recieve();
}
//playback on, record off
if(PINA == 2){
//display current state
PORTB = eeprom_read_byte(0);
//play the next MIDI byte from EEPROM
USART_playback();
}
//playback and record both on
//use this state to flush the EEPROM so a new melody can be recorded
//make sure EEPROM flush is done (watch the LEDs) before attempting a record
if((PINA == 3)||((PINA==1)&&flush)){
//display current state
PORTB = 0x03;
//flush eeprom
for(i=0; i<256; i++){
eeprom_write_dword((4*i), 0);
}
//reset address and expect a note on to be the next byte
k = 0;
addr = 0;
j = 0;
for(i=0; i<256; i++){
if(eeprom_read_dword(i)==0){j++;}
}
if(j>=255){
flush = false;
j = 0;
}
}
}
}
/**
* Used to control the robot.
* Receive and transmit data, measure the distance from object and navigate to the retrieval zone.
**/
int main(void)
{
lcd_init();
timer3_init();
timer_init();
ADC_init();
USART_Init();
oi_t *sensor_data = oi_alloc();
oi_init(sensor_data);//should turn the iRobot Create's power LED yellow
lcd_init();
serial_puts("Start");
//USART_Transmit(13);
//USART_Transmit(10);
int TempAngle[4] = {0,0,0,0};
int TempIR[4] = {0,0,0,0};
int pos[4] = {0,0,0,0};
int AddIR[4] = {0,0,0,0};
int count[4] = {0,0,0,0};
int found = 0;
int x1 = 0;
int x2 = 0;
int x3 = 0;
int x4 = 0;
unsigned angle = 0;
unsigned char IR = 0;
volatile int i=0;
volatile int x = 0;
char command;
char display[100];
char display1[20];
char display2[20];
char display3[20];
char display4[20];
char display5[100];
char display6[100];
while (1)
{
command = USART_Recieve();
USART_Transmit(command);
//USART_Transmit(13);
//USART_Transmit(10);
if (command == '1')
{
found = 0;
angle = 0;
int t;
int TempAngle[6] = {0, 0,0,0,0,0};
int TempIR[6] = {0, 0,0,0,0,0};
int pos[6] = {0, 0,0,0,0,0};
int AddIR[6] = {0, 0, 0,0,0,0};
int count[6] = {0, 0, 0,0,0,0};
for (angle = 0;angle < 181;angle++)
{
move_servo(angle);
wait_ms(20);
IR = 0;
IR = 42800*pow(ADC_read(2),-1.23);
sprintf(display6, "Angle: %5d IR: %5d",angle,IR);
serial_puts(display6);
if (IR < 80)
{
TempAngle[found]++;
count[found]++;
AddIR[found]+=IR;
TempIR[found]=AddIR[found]/count[found];
}
else
{
if(TempAngle[found] < 5)
{
TempAngle[found] = 0;
}
else
{
pos[found] = angle- TempAngle[found]/2;
if (TempIR[found]*TempAngle[found]< 460)
{
USART_Transmit(13);
USART_Transmit(10);
for (int i = 0;i<strlen(s8);i++)
{
USART_Transmit(s8[i]);
}
sprintf(display5, "object position: %5d",pos[found]);
serial_puts(display5);
}
sprintf(display, "object position: %5d IR: %5d object size: %5d",pos[found],TempIR[found],TempAngle[found]);
serial_puts(display);
USART_Transmit(13);
USART_Transmit(10);
found++;
}
}
}
OCR3B = 1000-1; //return to 0 degree
}
if (command == 'w')
{
move_forward(sensor_data,20);
}
if (command == 's')
{
move_backforward(sensor_data,20);
}
if (command == 'a')
{
turn_clockwise(sensor_data,82);
}
if (command == 'd')
{
turn_counterclockwise(sensor_data,82);
}
if (command == 'q')
{
turn_clockwise(sensor_data,38);
}
if (command == 'e')
{
turn_counterclockwise(sensor_data, 38);
}
if (command == '8')
{
move_forward(sensor_data,5);
}
if (command == '5')
{
move_backforward(sensor_data,5);
}
if (command == 'p')
{
oi_t* sensor = oi_alloc();
oi_init(sensor);
load_songs();
oi_play_song(songings);
}
if(command == 'k')
{
oi_update(sensor_data);
x1 = sensor_data->cliff_left_signal;
x2 = sensor_data->cliff_right_signal;
x3 = sensor_data->cliff_frontleft_signal;
x4 = sensor_data->cliff_frontright_signal;
sprintf (display1, "left = %d",x1);
sprintf (display2, "right = %d",x2);
sprintf (display3, "front left = %d",x3);
sprintf (display4, "front right = %d",x4);
USART_Transmit(13);
USART_Transmit(10);
serial_puts(display1);
serial_puts(display3);
serial_puts(display4);
serial_puts(display2);
if (x1>500||x2>500||x3>500||x4>500)
{
USART_Transmit(13);
USART_Transmit(10);
for (int i=0;i<strlen(s6);i++)
{
USART_Transmit(s6[i]);
}
}
}
}
}
