/** Sets certain bits of the command register on/off */
protected final void setCommandBits(int mask, boolean on) {
int cmd = io.inPortWord(base + USBCMD);
if (on) {
cmd |= mask;
} else {
cmd &= ~mask;
}
io.outPortWord(base + USBCMD, cmd);
}
/** Sets certain bits of the port1 status and control register on/off */
protected final void setPortSCBits(int port, int mask, boolean on) {
int sc = io.inPortWord(base + USBPORTSC1 + (port << 1));
sc &= 0xFFF5;
if (on) {
sc |= mask;
} else {
sc &= ~mask;
}
io.outPortWord(base + USBPORTSC1 + (port << 1), sc);
}
/**
* Writes a word to the data register
*
* @param dataWord
*/
public final void setDataReg(int dataWord) {
cmdBlock.outPortWord(cmdBlockStart + RW16_DATA_OFFSET, dataWord);
}
/** Sets the interrupt enable register */
protected final void setInterruptEnable(int mask) {
io.outPortWord(base + USBINTR, mask);
}
/** Clear the status register */
protected final void clearStatus(int clearMask) {
io.outPortWord(base + USBSTS, clearMask);
}
/** Sets the command register */
protected final void setCommand(int command) {
io.outPortWord(base + USBCMD, command);
}
/** Sets all bits of the port1 status and control register */
protected final void setPortSC(int port, int value) {
io.outPortWord(base + USBPORTSC1 + (port << 1), value);
}
/** Sets the frame number register */
protected final void setFrameNumber(int frnum) {
io.outPortWord(base + USBFRNUM, frnum);
}