static void initPs2(void)
{
if(interfaceReady == false){
interfaceReady = true;
initAfterInterfaceMount();
startKeyMappingOnBoot();
}
}
/**
* Main function, containing the main loop that manages timer- and
* USB-functionality.
* /return the obligatory integer that nobody cares about...
*/
void usb_main(void) {
// USB Reset by device only required on Watchdog Reset
P2U_PS2_PORT &= ~((1 << P2U_PS2_CLOCK_PIN)|(1 << P2U_PS2_DATA_PIN)); // input:tri-state output:low
P2U_USB_CFG_DDR &= ~((1 << P2U_USB_CFG_DPLUS_BIT)|(1 << P2U_USB_CFG_DMINUS_BIT));// input, remove USB reset condition
// configure timer 0 for a rate of 12M/(1024 * 256) = 45.78Hz (~22ms)
//TCCR0 |= (1<<CS02)|(1<<CS00); // timer 0 prescaler: 1024
// TCCR0 &= ~((1<<CS02)|(1<<CS01)|(1<<CS00)); // timer stop
usbInit();
uint8_t idleCounter = 0;
uchar i = 0;
usbDeviceDisconnect(); /* do this while interrupts are disabled */
do{ /* fake USB disconnect for > 250 ms */
// wdt_reset();
_delay_ms(1);
}while(--i);
usbDeviceConnect();
// init
setKeyScanDriver(&driverKeyScanUsb);
setUpdateDriver(&updateUsb);
clearReportBuffer();
sei();
#if USB_COUNT_SOF
bool _isSuspended = false;
int suspendCount = 0;
#endif
for(;;){
#ifndef INTERFACE_ONLY_USB
// 카운트 이내에 신호가 잡히지 않으면 이동;
// 특별한 경우에만 발생하는 현상이다.
if(INTERFACE == INTERFACE_USB && interfaceReady == false && interfaceCount++ > 3000){
// move to ps/2
INTERFACE = INTERFACE_PS2;
DBG1(0x88, 0, 0);
break;
}
#endif
#if USB_COUNT_SOF
if (usbSofCount != 0) {
// DBG1(0x55, (uchar *)&usbSofCount, 1);
_isSuspended = false;
usbSofCount = 0;
suspendCount = 0;
_usbReset = false;
wakeUp();
} else if(_usbReset == true){
// DBG1(0x56, (uchar *)&usbSofCount, 1);
_isSuspended = false;
usbSofCount = 1;
wakeUp();
}else{
// Suspend when no SOF in 3ms-10ms(7.1.7.4 Suspending of USB1.1)
if (_isSuspended == false && suspendCount++ > 10000 && getModifierDownBuffer() == 0 && getDownBufferAt(0) == 0) {
// DBG1(0x5a, (uchar *)&usbSofCount, 2);
_isSuspended = true;
sleep();
}
}
#endif
// main event loop
usbPoll();
#if USB_COUNT_SOF
/*if(_isSuspended == true) {
continue;
}*/
#endif
// check timer if we need periodic reports
if (TIFR & (1 << TOV0)) {
TIFR = (1 << TOV0); // reset flag
if (idleRate != 0) { // do we need periodic reports?
if(idleCounter > 4){ // yes, but not yet
idleCounter -= 5; // 22ms in units of 4ms
} else { // yes, it is time now
updateNeeded = 1;
idleCounter = idleRate;
}
}
}
// if an update is needed, send the report
if (usbInterruptIsReady()) {
scanKeyUsbWithMacro(); // changes?
// ps2avrU loop, must be after scan matrix;
enterFrame();
if(updateNeeded){
if(interfaceReady==false) continue;
memset(reportKeyboard, 0, REPORT_SIZE_KEYBOARD);
reportKeyboard[0] = _modifiers;
reportKeyboard[1] = 0;
memcpy ( reportKeyboard+2, reportBuffer, strlen((char *)reportBuffer) );
// DBG1(0x06, (uchar *)&reportKeyboard[0], 1);
usbSetInterrupt((void *)&reportKeyboard, sizeof(reportKeyboard));
updateNeeded = 0;
#if !USB_COUNT_SOF
wakeUpUsb();
#endif
}else if(_initState == INIT_INDEX_SET_IDLE){
DBG1(0x99, (uchar *)&_initState, 1);
_initState = INIT_INDEX_INITED;
// 재부팅시 첫키 입력 오류를 방지하기 위해서 HID init 후 all release 전송;
memset(reportKeyboard, 0, REPORT_SIZE_KEYBOARD);
usbSetInterrupt((void *)&reportKeyboard, sizeof(reportKeyboard));
clearMatrix();
#if !USB_COUNT_SOF
wakeUpUsb();
#endif
// 플러깅 후 출력되는 메세지는 넘락등 LED가 반응한 후에 보여진다.
// usbInterruptIsReady() 일지라도 LED 반응 전에는 출력이 되지 않는다.
// LED 반응 후에 처리하려고 하면 MAC OS에서 실행되지 않는다.
// (MAC OS에서는 플러깅 시 LED가 반응하지 않는다. 대신 바로 출력이 된다.)
// for os x
if(idleRate > 0) {
startKeyMappingOnBoot();
}
// DBG1(0xAA, (uchar *)&idleRate, 1);
}else if(_ledInitState == INIT_INDEX_INITED){
_ledInitState = INIT_INDEX_COMPLETE;
// for windows
if(idleRate == 0) {
startKeyMappingOnBoot();
}
}
}
if(usbInterruptIsReady3()){
if(_extraHasChanged){
report_extra_t gReportExtra = {
.report_id = REPORT_ID_CONSUMER,
.usage = extraData
};
usbSetInterrupt3((void *)&gReportExtra, sizeof(gReportExtra));
_extraHasChanged = false;
#if !USB_COUNT_SOF
wakeUpUsb();
#endif
}
if(_systemHasChanged){
report_extra_t gReportExtra = {
.report_id = REPORT_ID_SYSTEM,
.usage = systemData
};
usbSetInterrupt3((void *)&gReportExtra, sizeof(gReportExtra));
_systemHasChanged = false;
#if !USB_COUNT_SOF
wakeUpUsb();
#endif
}
}
if(_initState == INIT_INDEX_INITED){
if(initCount++ == 200){ // delay for OS X USB multi device
// all platform init led
initAfterInterfaceMount();
}else if(initCount > 200){
initCount = 201;
_initState = INIT_INDEX_COMPLETE;
}
}
#if !USB_COUNT_SOF
// 입력이 한동안 없으면 슬립모드로;
countSleepUsb();
#endif
}
#ifndef INTERFACE_ONLY_USB
// data line reset;
USB_INTR_ENABLE &= ~(1 << USB_INTR_ENABLE_BIT);
#endif
}