mirror of
https://github.com/HarbourMasters/Shipwright.git
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39cc86c260
subrepo: subdir: "soh" merged: "ba904bbd0" upstream: origin: "https://github.com/HarbourMasters/soh.git" branch: "master" commit: "ba904bbd0" git-subrepo: version: "0.4.1" origin: "???" commit: "???"
75 lines
1.8 KiB
C
75 lines
1.8 KiB
C
#include "ultra64.h"
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#include "global.h"
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OSPifRam gPifMempakBuf;
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s32 __osPfsGetStatus(OSMesgQueue* queue, s32 channel) {
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s32 ret = 0;
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OSMesg msg;
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OSContStatus data;
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__osPfsInodeCacheBank = 250;
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__osPfsRequestOneChannel(channel, CONT_CMD_REQUEST_STATUS);
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ret = __osSiRawStartDma(OS_WRITE, &gPifMempakBuf);
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osRecvMesg(queue, &msg, OS_MESG_BLOCK);
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ret = __osSiRawStartDma(OS_READ, &gPifMempakBuf);
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osRecvMesg(queue, &msg, OS_MESG_BLOCK);
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__osPfsGetOneChannelData(channel, &data);
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if (((data.status & CONT_CARD_ON) != 0) && ((data.status & CONT_CARD_PULL) != 0)) {
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return PFS_ERR_NEW_PACK;
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} else if (data.errno || ((data.status & CONT_CARD_ON) == 0)) {
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return PFS_ERR_NOPACK;
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} else if ((data.status & CONT_ADDR_CRC_ER) != 0) {
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return PFS_ERR_CONTRFAIL;
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}
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return ret;
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}
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void __osPfsRequestOneChannel(s32 channel, u8 poll) {
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u8* bufptr;
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__OSContRequestHeaderAligned req;
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s32 idx;
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__osContLastPoll = CONT_CMD_END;
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gPifMempakBuf.status = CONT_CMD_READ_BUTTON;
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bufptr = (u8*)&gPifMempakBuf;
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req.txsize = 1;
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req.rxsize = 3;
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req.poll = poll;
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req.typeh = 0xFF;
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req.typel = 0xFF;
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req.status = 0xFF;
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for (idx = 0; idx < channel; idx++) {
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*bufptr++ = 0;
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}
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*((__OSContRequestHeaderAligned*)bufptr) = req;
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bufptr += sizeof(req);
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*((u8*)bufptr) = CONT_CMD_END;
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}
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void __osPfsGetOneChannelData(s32 channel, OSContStatus* contData) {
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u8* bufptr = (u8*)&gPifMempakBuf;
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__OSContRequestHeaderAligned req;
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s32 idx;
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for (idx = 0; idx < channel; idx++) {
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bufptr++;
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}
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req = *((__OSContRequestHeaderAligned*)bufptr);
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contData->errno = (req.rxsize & 0xC0) >> 4;
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if (contData->errno) {
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return;
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}
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contData->type = (req.typel << 8) | req.typeh;
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contData->status = req.status;
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}
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