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57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
#include <ultra64.h>
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#include <global.h>
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#include <ultra64/controller.h>
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s32 osContStartReadData(OSMesgQueue* mq) {
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s32 ret;
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__osSiGetAccess(); // __osSiGetAccess
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if (_osCont_lastPollType != 1) {
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__osPackReadData();
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__osSiRawStartDma(OS_WRITE, &_osPifInternalBuff);
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osRecvMesg(mq, NULL, OS_MESG_BLOCK);
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}
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ret = __osSiRawStartDma(OS_READ, &_osPifInternalBuff);
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_osCont_lastPollType = 1;
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__osSiRelAccess();
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return ret;
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}
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void osContGetReadData(OSContPad* pad) {
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PIF_IO_slot_t* slot_ptr;
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PIF_IO_slot_t slot;
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s32 i;
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slot_ptr = _osPifInternalBuff.slots;
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for (i = 0; i < _osCont_numControllers; i++, slot_ptr++, pad++) {
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slot = *slot_ptr;
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pad->errno = (slot.hdr.status_hi_bytes_rec_lo & 0xc0) >> 4;
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if (pad->errno == 0) {
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pad->button = slot.button;
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pad->stick_x = slot.rawStickX;
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pad->stick_y = slot.rawStickY;
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}
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};
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}
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void __osPackReadData() {
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PIF_IO_slot_t* slot_ptr;
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PIF_IO_slot_t slot;
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s32 i;
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slot_ptr = _osPifInternalBuff.slots;
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for (i = 0; i < 0xF; i++) {
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_osPifInternalBuff.words[i] = 0;
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}
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_osPifInternalBuff.status_control = 1;
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slot.hdr.slot_type = 0xFF;
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slot.hdr.bytes_send = 1;
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slot.hdr.status_hi_bytes_rec_lo = 4;
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slot.hdr.command = 1;
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slot.button = 0xFFFF;
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slot.rawStickX = 0xFF;
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slot.rawStickY = 0xFF;
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for (i = 0; i < _osCont_numControllers; i++) {
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*slot_ptr++ = slot;
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}
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slot_ptr->hdr.slot_type = 0xFE;
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}
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