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more accurate MP reply

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StapleButter
2017-06-15 22:26:32 +02:00
parent 4b1b0bdec5
commit 32e6e81ef4
1 changed files with 33 additions and 32 deletions
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65
src/Wifi.cpp
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@ -389,12 +389,12 @@ void SendMPReply(u16 clienttime, u16 clientmask)
{ {
TXSlot* slot = &TXSlots[5]; TXSlot* slot = &TXSlots[5];
slot->Addr = (IOPORT(W_TXSlotReply2) & 0x0FFF) << 1; // mark the last packet as success. dunno what the MSB is, it changes.
slot->Length = *(u16*)&RAM[slot->Addr + 0xA] & 0x3FFF; if (IOPORT(W_TXSlotReply2) & 0x8000)
*(u16*)&RAM[slot->Addr] = 0x1201;
u8 rate = RAM[slot->Addr + 0x8]; IOPORT(W_TXSlotReply2) = IOPORT(W_TXSlotReply1);
if (rate == 0x14) slot->Rate = 2; IOPORT(W_TXSlotReply1) = 0;
else slot->Rate = 1;
u16 clientnum = 0; u16 clientnum = 0;
for (int i = 1; i < IOPORT(W_AIDLow); i++) for (int i = 1; i < IOPORT(W_AIDLow); i++)
@ -475,6 +475,29 @@ bool ProcessTX(TXSlot* slot, int num)
{ {
case 0: // preamble done case 0: // preamble done
{ {
SetIRQ(7);
if (num == 5)
{
// MP reply slot
// setup needs to be done now as port 098 can get changed in the meantime
// can be cancelled, but IRQ7 is still triggered
if (!(IOPORT(W_TXSlotReply2) & 0x8000))
{
IOPORT(W_TXBusy) &= ~0x80;
FireTX();
return true;
}
slot->Addr = (IOPORT(W_TXSlotReply2) & 0x0FFF) << 1;
slot->Length = *(u16*)&RAM[slot->Addr + 0xA] & 0x3FFF;
u8 rate = RAM[slot->Addr + 0x8];
if (rate == 0x14) slot->Rate = 2;
else slot->Rate = 1;
}
u32 len = slot->Length; u32 len = slot->Length;
if (slot->Rate == 2) len *= 4; if (slot->Rate == 2) len *= 4;
else len *= 8; else len *= 8;
@ -482,18 +505,6 @@ bool ProcessTX(TXSlot* slot, int num)
slot->CurPhase = 1; slot->CurPhase = 1;
slot->CurPhaseTime = len; slot->CurPhaseTime = len;
// CHECKME
// hardware seems to do this automatically?
// I saw it done on captured packets, but saw no code to do it
/*if (num == 1)
{
if (slot->Length > 32)
{
*(u16*)&RAM[slot->Addr + 0xC + (slot->Length-6)] = *(u16*)&RAM[slot->Addr + 0x26];
}
}*/
SetIRQ(7);
*(u16*)&RAM[slot->Addr + 0xC + 22] = IOPORT(W_TXSeqNo) << 4; *(u16*)&RAM[slot->Addr + 0xC + 22] = IOPORT(W_TXSeqNo) << 4;
IOPORT(W_TXSeqNo) = (IOPORT(W_TXSeqNo) + 1) & 0x0FFF; IOPORT(W_TXSeqNo) = (IOPORT(W_TXSeqNo) + 1) & 0x0FFF;
@ -538,7 +549,6 @@ printf("tx done. listen to replies\n");
} }
IOPORT(W_TXBusy) &= ~0x80; IOPORT(W_TXBusy) &= ~0x80;
IOPORT(W_TXSlotReply2) &= 0x7FFF;
FireTX(); FireTX();
return true; return true;
} }
@ -768,7 +778,7 @@ void MSTimer()
//if (!IOPORT(W_TXBusy)) //if (!IOPORT(W_TXBusy))
// CheckRX(false); // CheckRX(false);
} }
u64 mpreplywindow;
void USTimer(u32 param) void USTimer(u32 param)
{ {
if (IOPORT(W_USCountCnt)) if (IOPORT(W_USCountCnt))
@ -863,21 +873,12 @@ void USTimer(u32 param)
if ((RXBuffer[0] & 0x0F) == 0x0C) if ((RXBuffer[0] & 0x0F) == 0x0C)
{ {
u16 clientmask = *(u16*)&RXBuffer[0xC + 26]; u16 clientmask = *(u16*)&RXBuffer[0xC + 26];
if (clientmask & (1 << IOPORT(W_AIDLow))) if (IOPORT(W_AIDLow) && (RXBuffer[0xC + 4] & 0x01) && (clientmask & (1 << IOPORT(W_AIDLow))))
{ {
printf("MP: attempting to reply: %04X %04X, delay=%04X\n", printf("MP: attempting to reply: %04X %04X, delay=%04X\n",
IOPORT(W_TXSlotReply1), IOPORT(W_TXSlotReply2), *(u16*)&RXBuffer[0xC + 24]); IOPORT(W_TXSlotReply1), IOPORT(W_TXSlotReply2), *(u16*)&RXBuffer[0xC + 24]);
mpreplywindow = USCounter;
// this is a big fat guess
if (IOPORT(W_TXSlotReply1) & 0x8000)
{
IOPORT(W_TXSlotReply2) = IOPORT(W_TXSlotReply1);
IOPORT(W_TXSlotReply1) = 0;
SendMPReply(*(u16*)&RXBuffer[0xC + 24], *(u16*)&RXBuffer[0xC + 26]); SendMPReply(*(u16*)&RXBuffer[0xC + 24], *(u16*)&RXBuffer[0xC + 26]);
}
//if (IOPORT(W_TXSlotReply2) & 0x8000)
// SendMPReply(*(u16*)&RXBuffer[0xC + 24]);
} }
} }
} }
@ -1290,8 +1291,8 @@ void Write(u32 addr, u16 val)
return; return;
case 0x094: case 0x094:
printf("wifi: trying to send packet. %08X=%04X. TXREQ=%04X. delay=%08X\n", printf("wifi: trying to send packet. %08X=%04X. TXREQ=%04X.\n",
addr, val, IOPORT(W_TXReqRead), (u32)(USCounter-mpreplywindow)); addr, val, IOPORT(W_TXReqRead));
break; break;
case 0x228: case 0x228: