int main(void)
{
// init GPIO
PORTB = 0b11111000; // bits 0-2 are driven externally
DDRB = 0b00011000; // data read and data write latches
PORTC = 0b11111111; // pullups enabled
PORTD = 0b11111111; // pullups enabled
// init UART
UCSR0B = (1<<TXEN0);//|(1<<RXEN0);
UBRR0 = BAUD_MIDI;
// init timer
TCCR1B |= (1<<WGM12)|(1<<CS10); // timer1 ctc mode, no prescaler
TIMSK1 |= (1<<OCIE1A); // enable ctc interrupt
OCR1A = F_CPU / RTCFREQ - 1; // ctc value
// init emulator
MPU401_Init();
// enable interrupts
sei();
while(1) // main loop
{
// do isa i/o
if (QueueUsed() && (~PINB & PIN_DSR)) {
send_isa_byte(MPU401_ReadData()); // send data if there's any in the buffer
}
if (PINB & PIN_CRR) { // isa control input latch is full
MPU401_WriteCommand(recv_isa_byte());
}
if (PINB & PIN_DRR) { // isa data input latch is full
MPU401_WriteData(recv_isa_byte());
}
// do midi i/o
send_midi_byte(); // see if we need to send a byte
/* if (UCSR0A & (1<<RXC0)) { // midi uart rx buffer is full
process_midi_byte();
} */
}
}
int main ( int argc, char **argv )
{
extern QueueObject_t *IndexQ;
struct sigaction sa;
sigset_t sigmsk;
uint32 count;
GlobalAbort = false;
/* Parse the command line options */
MainParseArgs( argc, argv );
mainThreadId = pthread_self();
/*
* Setup the sigmasks for this thread (which is the parent to all others).
* This will propogate to all children.
*/
sigfillset( &sigmsk );
sigdelset( &sigmsk, SIGUSR1 );
sigdelset( &sigmsk, SIGUSR2 );
sigdelset( &sigmsk, SIGINT );
sigdelset( &sigmsk, SIGSEGV );
sigdelset( &sigmsk, SIGILL );
sigdelset( &sigmsk, SIGFPE );
pthread_sigmask( SIG_SETMASK, &sigmsk, NULL );
/* Start up the Logging thread */
logging_initialize(FALSE);
thread_register( &mainThreadId, "thread_main", NULL );
/* Setup signal handler for SIGUSR1 (toggles Debug) */
sa.sa_sigaction = (sigAction_t)logging_toggle_debug;
sigemptyset( &sa.sa_mask );
sa.sa_flags = SA_RESTART;
sigaction( SIGUSR1, &sa, NULL );
/* Setup the exit handler */
atexit( MainDelayExit );
/* Setup signal handler for SIGINT (shut down cleanly) */
sa.sa_sigaction = signal_interrupt;
sigemptyset( &sa.sa_mask );
sa.sa_flags = SA_RESTART;
sigaction( SIGINT, &sa, NULL );
/* Setup signal handlers that are to be propogated to all threads */
sa.sa_sigaction = signal_everyone;
sigemptyset( &sa.sa_mask );
sa.sa_flags = SA_RESTART | SA_SIGINFO;
sigaction( SIGUSR2, &sa, NULL );
/* Setup signal handlers for SEGV, ILL, FPE */
sa.sa_sigaction = signal_death;
sigemptyset( &sa.sa_mask );
sa.sa_flags = SA_RESTART | SA_SIGINFO;
sigaction( SIGSEGV, &sa, NULL );
sigaction( SIGILL, &sa, NULL );
sigaction( SIGFPE, &sa, NULL );
/* Print the startup log messages */
LogBanner();
/* Setup the CLucene indexer */
clucene_init(1);
/* Setup the MySQL connection */
db_setup();
db_check_schema_main();
db_rebuild_clucene();
/* Wait for the clucene thread to finish emptying its queue */
while( (count = QueueUsed( IndexQ )) > 0 ) {
LogPrint( LOG_INFO, "%d left", count );
sleep( 1 );
}
GlobalAbort = TRUE;
return(0);
}