/* rcode 0 if no errors. rcode 01-0f is relayed from dispatchPkt(). Rcode f0 means RCVDAVIRQ error,
fe USB xfer timeout */
uint8_t USB::inTransfer(uint8_t addr, uint8_t ep, uint16_t *nbytesptr, uint8_t* data, uint8_t bInterval /*= 0*/) {
EpInfo *pep = NULL;
uint16_t nak_limit = 0;
uint8_t rcode = SetAddress(addr, ep, &pep, &nak_limit);
if (rcode) {
USBTRACE3("(USB::InTransfer) SetAddress Failed ", rcode, 0x81);
USBTRACE3("(USB::InTransfer) addr requested ", addr, 0x81);
USBTRACE3("(USB::InTransfer) ep requested ", ep, 0x81);
return rcode;
}
return InTransfer(pep, nak_limit, nbytesptr, data, bInterval);
}
uint8_t HIDUniversal::Poll() {
uint8_t rcode = 0;
if(!bPollEnable)
return 0;
if((long)(millis() - qNextPollTime) >= 0L) {
qNextPollTime = millis() + pollInterval;
uint8_t buf[constBuffLen];
for(uint8_t i = 0; i < bNumIface; i++) {
uint8_t index = hidInterfaces[i].epIndex[epInterruptInIndex];
uint16_t read = (uint16_t)epInfo[index].maxPktSize;
ZeroMemory(constBuffLen, buf);
uint8_t rcode = pUsb->inTransfer(bAddress, epInfo[index].epAddr, &read, buf);
if(rcode) {
if(rcode != hrNAK)
USBTRACE3("(hiduniversal.h) Poll:", rcode, 0x81);
return rcode;
}
if(read > constBuffLen)
read = constBuffLen;
bool identical = BuffersIdentical(read, buf, prevBuf);
SaveBuffer(read, buf, prevBuf);
if(identical)
return 0;
#if 0
Notify(PSTR("\r\nBuf: "), 0x80);
for(uint8_t i = 0; i < read; i++) {
D_PrintHex<uint8_t > (buf[i], 0x80);
Notify(PSTR(" "), 0x80);
}
Notify(PSTR("\r\n"), 0x80);
#endif
ParseHIDData(this, bHasReportId, (uint8_t)read, buf);
HIDReportParser *prs = GetReportParser(((bHasReportId) ? *buf : 0));
if(prs)
prs->Parse(this, bHasReportId, (uint8_t)read, buf);
}
}
return rcode;
}
