/**
* Dispatch an interrupt to the handler according to the core and the interrupt number. Interrupt
* 0 is the scheduler.
*/
static void interrupt() {
// the clean way
// ih[sys.cpuId][sys.intNr].run();
// a little bit faster
ih[Native.rd(Const.IO_CPU_ID)][Native.rd(Const.IO_INTNR)].run();
// Enable interrupts again - we could have invoked a dummy handler
Native.wr(1, Const.IO_INT_ENA);
// wr('!');
// wr('0'+nr);
}
public static void wr(int c) {
// busy wait on free tx buffer
// but ncts is not used anymore =>
// no wait on an open serial line, just wait
// on the baud rate
while ((Native.rd(Const.IO_STATUS) & 1) == 0) {;
}
Native.wr(c, Const.IO_UART);
// this is the USB port
/* we will NOT wait for the USB device to be compatible
with other configurations. The UART limits the transfer rate
to about 10kB/s.
// while ((Native.rdMem(Const.IO_USB_STATUS) & Const.MSK_UA_TDRE)==0) {
;
}
*/
// disable for OEBB project
Native.wrMem(c, Const.IO_USB_DATA);
}
/**
* Sets speaker output.
*
* @param value Valid input range is 0..0xff.
*/
public static final void write(int value) {
Native.wr(value, IO_SPEAKER);
}
/** Sets speaker output. */
public static final void write(boolean value) {
Native.wr(value ? MAX_VALUE : 0, IO_SPEAKER);
}
/**
* Writes the corresponding bits to the unused pins IN0-IN9 of the PLD. Pins configured as input
* are unaffected.
*/
public static void writePins(int value) {
Native.wr(value, IO_FUTUREUSE);
}