/*
prints a welcome message
*/
void welcomemessage()
{
char phrase[15];
char phrase2[15];
snprintf(phrase, 15,"EE109");
snprintf(phrase2, 15,"Stopwatch Lab");
moveto(1,6);
stringout(phrase);
moveto(2,2);
stringout(phrase2);
_delay_ms(2000);
}
/*
sets timer to zero
*/
void init_count()
{
char buffer[5];
time[0] = time[1] = time[2] = '0';
snprintf(buffer, 5, "%c%c.%c", time[0] , time[1] , time[2]);
moveto(1,1);
stringout(buffer);
}
void moduleinit() {
DDRD = 0xf0;
DDRB = 0x03;
// initialize lcd
init_lcd();
writecommand(0x01);
// leds (blue wire)
DDRD |= (1 << PD2) | (1 << PD3);
// rotary encoder (yellow wire)
DDRC &= ~(1 << PC1) | ~(1 << PC2);
PORTC |= (1 << PC1) | (1 << PC2);
// buttons (green wire)
DDRB &= ~(1 << PB3) | ~(1 << PB4);
PORTB |= (1 << PB3) | (1 << PB4);
//enable interrupts
sei();
PCICR |= (1 << PCIE0) | (1 << PCIE1);
PCMSK0 |= (1 << PB3) | (1 << PB4);
PCMSK1 |= (1 << PC1) | (1 << PC2);
//serial interface
UBRR0 = 103; // Set baud rate
UCSR0B |= (1 << TXEN0 | 1 << RXEN0); // Enable RX and TX
UCSR0C = (3 << UCSZ00); // Async., no parity,
// 1 stop bit, 8 data bits
DDRC |= (1 << PC3);
PORTC &= ~(1 << PC3);
//initialize thermometer
ds1631_init();
ds1631_conv();
// template
stringout("Temp:");
moveto(8);
stringout("Rmt :");
moveto(0x40);
stringout("Low :");
moveto(0x48);
stringout("High:");
}
void updateScreen(){
moveto(0x40);//move to second line of LCD
char vars[16];
if(buttonState){//high
snprintf(vars, 16, "Low:%d HIGH:%d", low, high);
}
else{//low
snprintf(vars, 16, "LOW:%d High:%d", low, high);
}
stringout(vars);
}
int main(void){
init_lcd();
sei();
PORTD |= (1<<PD2)|(1<<PD3);//pull up button
PCICR |= (1 << PCIE2);//enable interrupts on PORTD
PCMSK2 |= (1 << PCINT18) | (1 << PCINT19);//mask for portd bits 2 and 3
stringout("Temp:");
moveto(0x40);
snprintf(out,8,"%d",res);
stringout(out);
if(prnt==1){
moveto(0x40);
stringout(" ");
moveto(0x40);
snprintf(out,8,"%d",res);
stringout(out);
prnt=0;
}
while(1);
/*while(1){
if((PIND&(1<<PD2))==0){
stringout("High");
}
else if((PIND&(1<<PD3))==0){
stringout("Low");
}
}*/
return 0;
}
void romanout(char thischar)
{
stringout("{\\roman ");
charout(thischar);
charout('}');
}
main(int argc, char *argv[])
{
int ch,err,notdone,vowflag,initflag;
errorcount=0;
switcher='~';
true=1;
false=0;
tamilflag=false;
tdelim=1; /* i.e. control-a ::: if yah don't like it, change it */
tspace[0]=tdelim;
tspace[1]=' ';
haccbox();
vowflag=0;
if (argc > 1) input = fopen(argv[1],"rb");
if (input == (FILE *) NULL) {
/* prompt for and open input file */
for ( ; input == (FILE *) NULL ; input=get_file("rb","Enter name of input file: ")) ;
}
/* we are making these binary, as we have no guarantee what kind */
/* of character may be in the transcription: we don't care about */
/* ends of lines, as we are reading character by character */
if (argc > 2) output = fopen(argv[2],"wb");
if (output == (FILE *) NULL) {
for ( ; output == (FILE *) NULL ; output=get_file("wb","Enter name of output file: ")) ;
/* prompt for and open output file */
}
while ((ch = getc(input)) != EOF) {
if (ch == switcher) changestate();
else {
if (ch == '|') {
vowflag=1;
notdone=1;
initflag=2;
while (notdone) {
ch=getc(input);
if (isalnum(ch)) {
initflag--;
if (vowflag==0) {
if (! isvowel(ch)) stringout("\\-");
}
if (isvowel(ch)) vowflag=1;
else vowflag=0;
}
else {
vowflag=1;
initflag=2;
}
if (ch==EOF) notdone=0;
else {
switch(ch) {
case '2': stringout("\\ndot{}");
break;
case '3': stringout("\\nndot{}");
break;
case '4': stringout("\\skts{}");
break;
case '5': stringout("\\paln{}");
break;
case '6': stringout("\\rdot{}");
break;
case '7': stringout("\\rdotdot{}");
break;
case 'T': stringout("\\tdot{}");
break;
case 'D': stringout("\\dotd{}");
break;
case '8':
if ( initflag > 0 ) stringout("\\tdot{}");
else {
err=getc(input);
if (err == '8') stringout("\\tdot{}\\tdot{}");
else {
stringout("\\dotd{}");
pushback(err);
}
}
break;
case '9': stringout("\\dotl{}");
break;
case '|': notdone=0;
break;
default: putc(ch,output);
} /* endcase */
} /* end else */
} /* endwhile */
} /* endif */
else putc(ch,output);
} /* endelse */
} /* endwhile */
fclose(input);
fclose(output);
puts("Tamilize is done.");
}
void endtamil()
{
stringout("}\\etam{}"); /* stringout("}\\endtamil\%\n"); */
tamilflag=false;
}
void starttamil()
{
stringout("{\\btam "); /* stringout("{\\starttamil\%\n"); */
processtamil();
}
void processtamil()
{
char ch;
int newsyl;
newsyl=true;
for (tamilflag=true; tamilflag==true; ) {
ch = getc(input);
if (ch == EOF) abort();
if (ch == switcher) changestate();
else if (isspace(ch)) {
stringout(tspace);
charout(ch);
for ( ch=getc(input); isspace(ch); ch=getc(input)) charout(ch);
pushback(ch);
newsyl=true;
}
else if (ispunct(ch) ) {
if (ch == 125) printf("\nCharacter } encountered while scanning tamil -- probable error.\n");
romanout(ch);
newsyl=true;
}
else {
switch (ch) {
case 'a':
case 'e':
case 'i':
case 'o':
case 'u': if (newsyl==true) {
charout(tdelim);
newsyl=false;
}
charout(ch);
break;
case 'c':
case 't':
case 'p':
case 'm':
case 'y':
case 'r':
case 'l':
case 'v':
case 's':
case 'j':
case 'x':
case 'h': charout(tdelim);
charout(ch);
newsyl=false;
break;
case 'k': charout(tdelim);
ch=getc(input);
if (ch=='4') charout('X');
else {
charout('k');
pushback(ch);
}
newsyl=false;
break;
case '2': charout(tdelim);
charout('N');
newsyl=false;
break;
case '3': charout(tdelim);
stringout("NN");
newsyl=false;
break;
case '4': charout(tdelim);
charout('S');
newsyl=false;
break;
case '5': charout(tdelim);
stringout("NY");
newsyl=false;
break;
case '6': charout(tdelim);
charout('R');
newsyl=false;
break;
case '7': charout(tdelim);
charout('Z');
newsyl=false;
break;
case '8': charout(tdelim);
charout('T');
newsyl=false;
break;
case '9': charout(tdelim);
charout('L');
newsyl=false;
break;
case 'n': charout(tdelim);
ch=getc(input);
if (ch=='g') stringout("ng");
else {
charout('n');
pushback(ch);
}
newsyl=false;
break;
default : transcribe_err(ch);
newsyl=true;
} /* endcase */
} /* endif */
} /* endfor*/
}
void updateTop(){//called if valid data received from remote
moveto(0x00);
char top[16];
snprintf(top, 16, "Temp:%d Rmt:%d", tempF, remoteVal);
stringout(top);
}
int main() {
int oldl = 1000, oldh = 1000, oldt = 1000;//, oldr = 1000;
unsigned char out[4];
unsigned char rec[5];
unsigned char temp[2];
moduleinit();
while (1) {
//receive and convert temperature
ds1631_temp(temp);
float c = temp[0];
if (temp[1]) {
c += 0.5;
}
float f = (9*c)/5;
int x = f +32;
//unsigned char rmt = rx_char();
if (low != oldl) {
moveto(0x45);
stringout(" "); //clear previous number
moveto(0x45);
sprintf(out, "%2d", low);
stringout(out);
oldl = low;
}
if (high != oldh) {
moveto(0x4d);
stringout(" "); //clear previous number
moveto(0x4d);
sprintf(out, "%2d", high);
stringout(out);
oldh = high;
}
if (x != oldt) {
moveto(5);
stringout(" ");
moveto(5);
itoa(x, out, 10);
stringout(out);
oldt = x;
//send temperature
if (x > 0) {
tx_char('+');
}
else if (x < 0) {
tx_char('-');
}
//if 3 digits
if (out[2] == 0) {
tx_char('0');
_delay_ms(5);
tx_char(out[0]);
_delay_ms(5);
tx_char(out[1]);
}
//if 2 digits
else {
tx_char(out[0]);
_delay_ms(5);
tx_char(out[1]);
_delay_ms(5);
tx_char(out[2]);
}
}
//receive temperature
if (UCSR0A & (1 << RXC0)) {
// character has been received
if (rx_char() == '+') {
rec[0] = rx_char(); //100's digit
if (rec[0] == '0') { //if 100's digit is 0
rec[0] = rx_char();
rec[1] = rx_char();
rec[2] = 0;
}
else { //else reset rec[0] to 10's digit
rec[1] = rx_char();
rec[2] = rx_char();
rec[3] = 0;
}
}
else if (rx_char() == '-') {
rec[0] = '-';
rec[1] = rx_char();
if (rec[1] == '0') { //if 100's digit is 0
rec[1] = rx_char();
rec[2] = rx_char();
rec[3] = 0;
}
else { //else reset rec[0] to 10's digit
rec[2] = rx_char();
rec[3] = rx_char();
rec[4] = 0;
}
}
moveto(13);
stringout(" ");
moveto(13);
stringout(rec);
}
if (x < low) {
PORTD |= (1 << PD3);
}
else {
PORTD &= ~(1 << PD3);
}
if (x > high) {
PORTD |= (1 << PD2);
}
else {
PORTD &= ~(1 << PD2);
}
moveto(0x50); //move cursor off of screen
}
return 0;
}
