mirror of https://github.com/zeldaret/mm.git
103 lines
2.7 KiB
C
103 lines
2.7 KiB
C
#include "ultra64.h"
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#include "PR/controller.h"
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#include "stdbool.h"
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#include "alignment.h"
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#include "macros.h"
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s32 __osContinitialized = false;
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OSPifRam __osContPifRam ALIGNED(16);
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u8 __osContLastPoll;
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u8 __osMaxControllers;
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OSTimer __osEepromTimer;
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OSMesgQueue __osEepromTimerQ ALIGNED(8);
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OSMesg __osEepromTimerMsg[1];
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s32 osContInit(OSMesgQueue* mq, u8* bitpattern, OSContStatus* data) {
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OSMesg dummy;
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s32 ret = 0;
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OSTime t;
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OSTimer mytimer;
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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 = true;
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t = osGetTime();
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if (t < OS_USEC_TO_CYCLES(500000)) {
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osCreateMesgQueue(&timerMesgQueue, &dummy, 1);
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osSetTimer(&mytimer, OS_USEC_TO_CYCLES(500000) - t, 0, &timerMesgQueue, &dummy);
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osRecvMesg(&timerMesgQueue, &dummy, OS_MESG_BLOCK);
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}
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__osMaxControllers = 4;
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__osPackRequestData(CONT_CMD_REQUEST_STATUS);
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ret = __osSiRawStartDma(OS_WRITE, &__osContPifRam);
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osRecvMesg(mq, &dummy, OS_MESG_BLOCK);
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ret = __osSiRawStartDma(OS_READ, &__osContPifRam);
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osRecvMesg(mq, &dummy, OS_MESG_BLOCK);
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__osContGetInitData(bitpattern, data);
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__osContLastPoll = 0;
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__osSiCreateAccessQueue();
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osCreateMesgQueue(&__osEepromTimerQ, __osEepromTimerMsg, ARRAY_COUNT(__osEepromTimerMsg));
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return ret;
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}
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void __osContGetInitData(u8* pattern, OSContStatus* data) {
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u8* ptr;
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__OSContRequesFormat requestHeader;
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s32 i;
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u8 bits;
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bits = 0;
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ptr = (u8*)__osContPifRam.ramarray;
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for (i = 0; i < __osMaxControllers; i++, ptr += sizeof(requestHeader), data++) {
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requestHeader = *(__OSContRequesFormat*)ptr;
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data->errno = CHNL_ERR(requestHeader);
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if (data->errno == 0) {
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data->type = requestHeader.typel << 8 | requestHeader.typeh;
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data->status = requestHeader.status;
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bits |= 1 << i;
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}
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}
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*pattern = bits;
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}
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void __osPackRequestData(u8 poll) {
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u8* ptr;
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__OSContRequesFormat requestHeader;
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s32 i;
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for (i = 0; i < ARRAY_COUNT(__osContPifRam.ramarray); i++) {
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__osContPifRam.ramarray[i] = 0;
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}
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__osContPifRam.status = CONT_CMD_READ_BUTTON;
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ptr = (u8*)__osContPifRam.ramarray;
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requestHeader.align = CONT_CMD_NOP;
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requestHeader.txsize = CONT_CMD_RESET_TX;
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requestHeader.rxsize = CONT_CMD_RESET_RX;
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requestHeader.poll = poll;
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requestHeader.typeh = CONT_CMD_NOP;
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requestHeader.typel = CONT_CMD_NOP;
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requestHeader.status = CONT_CMD_NOP;
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requestHeader.align1 = CONT_CMD_NOP;
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for (i = 0; i < __osMaxControllers; i++) {
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*(__OSContRequesFormat*)ptr = requestHeader;
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ptr += sizeof(requestHeader);
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}
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*ptr = CONT_CMD_END;
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}
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