Files
mm/src/libultra/io/controller.c
T
EllipticEllipsis 29746156af pfsisplug OK (#430)
* pfsisplug OK

* Remove duplicate struct

* Apply suggestions from code review

Co-authored-by: Tharo <17233964+Thar0@users.noreply.github.com>

Co-authored-by: Tharo <17233964+Thar0@users.noreply.github.com>
2021-11-10 22:43:08 -05:00

98 lines
2.3 KiB
C

#include "global.h"
UNK_TYPE4 D_80097E40 = 0;
OSPifRam __osContPifRam;
u8 __osContLastPoll;
u8 __osMaxControllers;
OSTimer __osEepromTimer;
OSMesgQueue D_8009CF38;
OSMesg D_8009CF50[1];
s32 osContInit(OSMesgQueue* mq, u8* bitpattern, OSContStatus* data) {
OSMesg dummy;
s32 ret = 0;
OSTime t;
OSTimer mytimer;
OSMesgQueue timerMesgQueue;
if (D_80097E40 != 0) {
return 0;
}
D_80097E40 = 1;
t = osGetTime();
if (t < 0x165A0BC) {
osCreateMesgQueue(&timerMesgQueue, &dummy, 1);
osSetTimer(&mytimer, 0x165A0BC - t, 0, &timerMesgQueue, &dummy);
osRecvMesg(&timerMesgQueue, &dummy, OS_MESG_BLOCK);
}
__osMaxControllers = 4;
__osPackRequestData(0);
ret = __osSiRawStartDma(1, &__osContPifRam);
osRecvMesg(mq, &dummy, 1);
ret = __osSiRawStartDma(0, &__osContPifRam);
osRecvMesg(mq, &dummy, 1);
__osContGetInitData(bitpattern, data);
__osContLastPoll = 0;
__osSiCreateAccessQueue();
osCreateMesgQueue(&D_8009CF38, D_8009CF50, 1);
return ret;
}
void __osContGetInitData(u8* pattern, OSContStatus* data) {
u8* ptr;
__OSContRequestHeader requestHeader;
s32 i;
u8 bits;
bits = 0;
ptr = (u8*)__osContPifRam.ramarray;
for (i = 0; i < __osMaxControllers; i++, ptr += sizeof(requestHeader), data++) {
requestHeader = *(__OSContRequestHeader*)ptr;
data->errno = (requestHeader.rxsize & 0xc0) >> 4;
if (data->errno == 0) {
data->type = requestHeader.typel << 8 | requestHeader.typeh;
data->status = requestHeader.status;
bits |= 1 << i;
}
}
*pattern = bits;
}
void __osPackRequestData(u8 poll) {
u8* ptr;
__OSContRequestHeader requestHeader;
s32 i;
for (i = 0; i < 0xF; i++) {
__osContPifRam.ramarray[i] = 0;
}
__osContPifRam.pifstatus = 1;
ptr = (u8*)__osContPifRam.ramarray;
requestHeader.align = 255;
requestHeader.txsize = 1;
requestHeader.rxsize = 3;
requestHeader.poll = poll;
requestHeader.typeh = 255;
requestHeader.typel = 255;
requestHeader.status = 255;
requestHeader.align1 = 255;
for (i = 0; i < __osMaxControllers; i++) {
*(__OSContRequestHeader*)ptr = requestHeader;
ptr += sizeof(requestHeader);
}
*ptr = 254;
}