int main( void )
{
_delay_ms(100);
// set clock speed
CLKPR = _BV( CLKPCE ); // enable clock prescale change
CLKPR = 0; // full speed (8MHz);
#if defined(__AVR_ATtiny25__) || defined(__AVR_ATtiny45__) || \
defined(__AVR_ATtiny85__)
// set up periodic timer for state machine ('script_tick')
TCCR0B = _BV( CS02 ) | _BV(CS00); // start timer, prescale CLK/1024
TIFR = _BV( TOV0 ); // clear interrupt flag
TIMSK = _BV( TOIE0 ); // enable overflow interrupt
// set up output pins
PORTB = INPI2C_MASK; // turn on pullups
DDRB = LED_MASK; // set LED port pins to output
#elif defined(__AVR_ATtiny24__) || defined(__AVR_ATtiny44__) || \
defined(__AVR_ATtiny84__)
// set up periodic timer for state machine ('script_tick')
//TCCR0B = _BV( CS02 ) | _BV(CS00); // start timer, prescale CLK/1024
//TIFR0 = _BV( TOV0 ); // clear interrupt flag
//TIMSK0 = _BV( TOIE0 ); // enable overflow interrupt
// set up output pins
PORTA = INPI2C_MASK; // turn on pullups
DDRA = 0xFF; //LEDA_MASK; // set LED port pins to output
DDRB = 0xFF; //LEDB_MASK; // set LED port pins to output
#endif
fanfare( 3, 300 );
#if 0
// test for ATtiny44/84 MaxM
fanfare( 3, 300 );
IRsend_enableIROut();
while( 1 ) {
_delay_ms(10);
IRsend_iroff();
_delay_ms(10);
IRsend_iron();
}
/*
uint8_t f = OCR1B;
while( 1 ) {
_delay_ms(10);
f++;
if( f== OCR1A ) f=0; // OCR1A == period
OCR1B = f; // OCR1B == duty cycle (0-OCR1A)
}
*/
#endif
#if 0
// test timing of script_tick
_delay_ms(2000);
sei();
_delay_ms(500); // this should cause script_tick to equal 15
uint8_t j = script_tick;
for( int i=0; i<j; i++ ) {
led_flash();
_delay_ms(300);
}
#endif
////// begin normal startup
uint8_t boot_mode = eeprom_read_byte( &ee_boot_mode );
uint8_t boot_script_id = eeprom_read_byte( &ee_boot_script_id );
uint8_t boot_reps = eeprom_read_byte( &ee_boot_reps );
//uint8_t boot_fadespeed = eeprom_read_byte( &ee_boot_fadespeed );
uint8_t boot_timeadj = eeprom_read_byte( &ee_boot_timeadj );
// initialize i2c interface
uint8_t i2c_addr = eeprom_read_byte( &ee_i2c_addr );
if( i2c_addr==0 || i2c_addr>0x7f) i2c_addr = I2C_ADDR; // just in case
i2c_addrs[0] = i2c_addr;
for( uint8_t i = 1; i<slaveAddressesCount; i++ ) {
i2c_addrs[i] = i2c_addrs[0] + i;
}
usiTwiSlaveInit( i2c_addrs );
timeadj = boot_timeadj;
if( boot_mode == BOOT_PLAY_SCRIPT ) {
play_script( boot_script_id, boot_reps, 0 );
}
sei(); // enable interrupts
#if 0
basic_tests();
#endif
RB_Init();
// This loop runs forever.
// If the TWI Transceiver is busy the execution will just
// continue doing other operations.
for(;;) {
handle_i2c();
handle_inputs();
handle_script();
handle_ir_queue();
}
} // end
/*
* Read a character from the given window. Handle repainting here (to simplify
* things in the calling application). Also, if input-callback(s) are set up,
* poll the corresponding files and handle the updates, e.g., for displaying a
* tailbox.
*/
int
dlg_getc(WINDOW *win, int *fkey)
{
WINDOW *save_win = win;
int ch = ERR;
int before_chr;
int before_fkey;
int result;
bool done = FALSE;
bool literal = FALSE;
DIALOG_CALLBACK *p = 0;
int interval = (dialog_vars.timeout_secs * 1000);
time_t expired = time((time_t *) 0) + dialog_vars.timeout_secs;
time_t current;
if (may_handle_inputs())
wtimeout(win, WTIMEOUT_VAL);
else if (interval > 0)
wtimeout(win, interval);
while (!done) {
bool handle_others = FALSE;
/*
* If there was no pending file-input, check the keyboard.
*/
ch = really_getch(win, fkey);
if (literal) {
done = TRUE;
continue;
}
before_chr = ch;
before_fkey = *fkey;
ch = dlg_lookup_key(win, ch, fkey);
dlg_trace_chr(ch, *fkey);
current = time((time_t *) 0);
/*
* If we acquired a fkey value, then it is one of dialog's builtin
* codes such as DLGK_HELPFILE.
*/
if (!*fkey || *fkey != before_fkey) {
switch (ch) {
case CHR_LITERAL:
literal = TRUE;
keypad(win, FALSE);
continue;
case CHR_REPAINT:
(void) touchwin(win);
(void) wrefresh(curscr);
break;
case ERR: /* wtimeout() in effect; check for file I/O */
if (interval > 0
&& current >= expired) {
dlg_exiterr("timeout");
}
if (!valid_file(stdin)
|| !valid_file(dialog_state.screen_output)) {
ch = ESC;
done = TRUE;
} else if (check_inputs()) {
if (handle_inputs(win))
dlg_raise_window(win);
else
done = TRUE;
} else {
done = (interval <= 0);
}
break;
case DLGK_HELPFILE:
if (dialog_vars.help_file) {
int yold, xold;
getyx(win, yold, xold);
dialog_helpfile("HELP", dialog_vars.help_file, 0, 0);
dlg_raise_window(win);
wmove(win, yold, xold);
}
continue;
case DLGK_FIELD_PREV:
/* FALLTHRU */
case KEY_BTAB:
/* FALLTHRU */
case DLGK_FIELD_NEXT:
/* FALLTHRU */
case TAB:
/* Handle tab/backtab as a special case for traversing between
* the nominal "current" window, and other windows having
* callbacks. If the nominal (control) window closes, we'll
* close the windows with callbacks.
*/
if (dialog_state.getc_callbacks != 0 &&
(isBeforeChr(TAB) ||
isBeforeFkey(KEY_BTAB))) {
p = (isBeforeChr(TAB)
? next_callback(p)
: prev_callback(p));
if ((dialog_state.getc_redirect = p) != 0) {
win = p->win;
} else {
win = save_win;
}
dlg_raise_window(win);
break;
}
/* FALLTHRU */
default:
#ifdef NO_LEAKS
if (isBeforeChr(DLG_CTRL('P'))) {
/* for testing, ^P closes the connection */
close(0);
close(1);
close(2);
break;
}
#endif
handle_others = TRUE;
break;
#ifdef HAVE_DLG_TRACE
case CHR_TRACE:
dlg_trace_win(win);
break;
#endif
}
} else {
handle_others = TRUE;
}
if (handle_others) {
if ((p = dialog_state.getc_redirect) != 0) {
if (!(p->handle_getc(p, ch, *fkey, &result))) {
done = (p->win == save_win) && (!p->keep_win);
dlg_remove_callback(p);
dialog_state.getc_redirect = 0;
win = save_win;
}
} else {
done = TRUE;
}
}
}
if (literal)
keypad(win, TRUE);
return ch;
}