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#include "ultra64.h"
#include "global.h"
OSPifRam gPifMempakBuf;
s32 __osPfsGetStatus(OSMesgQueue* queue, s32 channel) {
s32 ret = 0;
OSMesg msg;
OSContStatus data;
__osPfsInodeCacheBank = 250;
__osPfsRequestOneChannel(channel, CONT_CMD_REQUEST_STATUS);
ret = __osSiRawStartDma(OS_WRITE, &gPifMempakBuf);
osRecvMesg(queue, &msg, OS_MESG_BLOCK);
ret = __osSiRawStartDma(OS_READ, &gPifMempakBuf);
osRecvMesg(queue, &msg, OS_MESG_BLOCK);
__osPfsGetOneChannelData(channel, &data);
if (((data.status & CONT_CARD_ON) != 0) && ((data.status & CONT_CARD_PULL) != 0)) {
return PFS_ERR_NEW_PACK;
} else if (data.errno || ((data.status & CONT_CARD_ON) == 0)) {
return PFS_ERR_NOPACK;
} else if ((data.status & CONT_ADDR_CRC_ER) != 0) {
return PFS_ERR_CONTRFAIL;
}
return ret;
}
void __osPfsRequestOneChannel(s32 channel, u8 poll) {
u8* bufptr;
__OSContRequestHeaderAligned req;
s32 idx;
__osContLastPoll = CONT_CMD_END;
gPifMempakBuf.status = CONT_CMD_READ_BUTTON;
bufptr = (u8*)&gPifMempakBuf;
req.txsize = 1;
req.rxsize = 3;
req.poll = poll;
req.typeh = 0xFF;
req.typel = 0xFF;
req.status = 0xFF;
for (idx = 0; idx < channel; idx++) {
*bufptr++ = 0;
}
*((__OSContRequestHeaderAligned*)bufptr) = req;
bufptr += sizeof(req);
*((u8*)bufptr) = CONT_CMD_END;
}
void __osPfsGetOneChannelData(s32 channel, OSContStatus* contData) {
u8* bufptr = (u8*)&gPifMempakBuf;
__OSContRequestHeaderAligned req;
s32 idx;
for (idx = 0; idx < channel; idx++) {
bufptr++;
}
req = *((__OSContRequestHeaderAligned*)bufptr);
contData->errno = (req.rxsize & 0xC0) >> 4;
if (contData->errno) {
return;
}
contData->type = (req.typel << 8) | req.typeh;
contData->status = req.status;
}
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