mirror of
https://github.com/n64decomp/mk64
synced 2026-07-11 22:00:05 -04:00
coco875
17a6f4bb3d
* update clang and add action * try clang on course folder only * forget two file * Update course_displaylists.inc.c * forget few other file * Update course_vertices.inc.c * format all code while get it match * second pass * format other dir * disable clang format on bad ido code * fix some tabulation * revert format on tool dir * Update clang-format.yml * ignore gbi.h * add some read me instruction * fix error * format and fixing error * Update README.md --------- Co-authored-by: MegaMech <MegaMech@users.noreply.github.com>
93 lines
2.6 KiB
C
93 lines
2.6 KiB
C
#include "libultra_internal.h"
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#include "osContInternal.h"
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void __osPackRequestData(u8);
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void __osContGetInitData(u8*, OSContStatus*);
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u32 _osContInitialized = 0;
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extern u64 osClockRate;
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// these probably belong in EEPROMlongread or something
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u8 __osContLastCmd;
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u8 _osContNumControllers;
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OSTimer D_80196548;
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OSMesgQueue _osContMesgQueue;
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OSMesg _osContMesgBuff[4];
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s32 osContInit(OSMesgQueue* mq, u8* bitpattern, OSContStatus* status) {
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OSMesg mesg;
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u32 ret = 0;
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OSTime currentTime;
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OSTimer timer;
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OSMesgQueue timerMesgQueue;
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if (_osContInitialized) {
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return 0;
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}
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_osContInitialized = 1;
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currentTime = osGetTime();
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if (500000 * osClockRate / 1000000 > currentTime) {
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osCreateMesgQueue(&timerMesgQueue, &mesg, 1);
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osSetTimer(&timer, 500000 * osClockRate / 1000000 - currentTime, 0, &timerMesgQueue, &mesg);
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osRecvMesg(&timerMesgQueue, &mesg, OS_MESG_BLOCK);
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}
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//! @todo figure out what it means
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_osContNumControllers = 4;
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__osPackRequestData(0);
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ret = __osSiRawStartDma(OS_WRITE, _osContCmdBuf);
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osRecvMesg(mq, &mesg, OS_MESG_BLOCK);
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ret = __osSiRawStartDma(OS_READ, _osContCmdBuf);
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osRecvMesg(mq, &mesg, OS_MESG_BLOCK);
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__osContGetInitData(bitpattern, status);
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__osContLastCmd = 0;
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__osSiCreateAccessQueue();
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osCreateMesgQueue(&_osContMesgQueue, _osContMesgBuff, 1);
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return ret;
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}
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void __osContGetInitData(u8* bitpattern, OSContStatus* status) {
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OSContPackedRequest* cmdBufPtr;
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OSContPackedRequest response;
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s32 i;
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u8 sp7;
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sp7 = 0;
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cmdBufPtr = &(_osContCmdBuf[0].request);
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for (i = 0; i < _osContNumControllers; i++, cmdBufPtr++, status++) {
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response = *(OSContPackedRequest*) cmdBufPtr;
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status->errnum = (response.rxLen & 0xc0) >> 4;
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if (status->errnum == 0) {
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status->type = response.data2 << 8 | response.data1;
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status->status = response.data3;
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sp7 |= 1 << i;
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}
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}
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*bitpattern = sp7;
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}
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void __osPackRequestData(u8 command) {
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OSContPackedRequest* cmdBufPtr;
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OSContPackedRequest request;
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s32 i;
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// some kind of weird zeroing code
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for (i = 0; i < 0x10; i++) {
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*((u32*) &_osContCmdBuf + i) = 0;
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}
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_osContPifCtrl = 1;
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cmdBufPtr = &_osContCmdBuf[0].request;
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request.padOrEnd = 255;
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request.txLen = 1;
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request.rxLen = 3;
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request.command = command;
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request.data1 = 255;
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request.data2 = 255;
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request.data3 = 255;
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request.data4 = 255;
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for (i = 0; i < _osContNumControllers; i++) {
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*cmdBufPtr++ = request;
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}
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cmdBufPtr->padOrEnd = 254;
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}
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