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#include "libultra_internal.h"
#include "controller.h"
void __osPackRequestData(u8);
void __osContGetInitData(u8*, OSContStatus*);
u32 _osContInitialized = 0;
extern u64 osClockRate;
// these probably belong in EEPROMlongread or something
ALIGNED16 OSPifRam __osContPifRam;
u8 __osContLastCmd;
u8 _osContNumControllers;
OSTimer D_80196548;
OSMesgQueue _osContMesgQueue;
OSMesg _osContMesgBuff[4];
s32 osContInit(OSMesgQueue* mq, u8* bitpattern, OSContStatus* status) {
OSMesg mesg;
u32 ret = 0;
OSTime currentTime;
OSTimer timer;
OSMesgQueue timerMesgQueue;
if (_osContInitialized) {
return 0;
}
_osContInitialized = 1;
currentTime = osGetTime();
if (500000 * osClockRate / 1000000 > currentTime) {
osCreateMesgQueue(&timerMesgQueue, &mesg, 1);
osSetTimer(&timer, 500000 * osClockRate / 1000000 - currentTime, 0, &timerMesgQueue, &mesg);
osRecvMesg(&timerMesgQueue, &mesg, OS_MESG_BLOCK);
}
//! @todo figure out what it means
_osContNumControllers = 4;
__osPackRequestData(0);
ret = __osSiRawStartDma(OS_WRITE, __osContPifRam.ramarray);
osRecvMesg(mq, &mesg, OS_MESG_BLOCK);
ret = __osSiRawStartDma(OS_READ, __osContPifRam.ramarray);
osRecvMesg(mq, &mesg, OS_MESG_BLOCK);
__osContGetInitData(bitpattern, status);
__osContLastCmd = 0;
__osSiCreateAccessQueue();
osCreateMesgQueue(&_osContMesgQueue, _osContMesgBuff, 1);
return ret;
}
void __osContGetInitData(u8* bitpattern, OSContStatus* status) {
u8* ptr;
__OSContRequesFormat response;
s32 i;
u8 bits;
bits = 0;
ptr = (u8*) __osContPifRam.ramarray;
for (i = 0; i < _osContNumControllers; i++, ptr += sizeof(response), status++) {
response = *((__OSContRequesFormat*) (ptr));
status->errnum = CHNL_ERR(response);
if (status->errnum == 0) {
status->type = response.typel << 8 | response.typeh;
status->status = response.status;
bits |= 1 << i;
}
}
*bitpattern = bits;
}
void __osPackRequestData(u8 command) {
u8* ptr;
__OSContRequesFormat requestHeader;
s32 i;
for (i = 0; i < ARRLEN(__osContPifRam.ramarray) + 1; i++) {
__osContPifRam.ramarray[i] = 0;
}
__osContPifRam.pifstatus = CONT_CMD_EXE;
ptr = (u8*) __osContPifRam.ramarray;
requestHeader.dummy = CONT_CMD_NOP;
requestHeader.txsize = CONT_CMD_RESET_TX;
requestHeader.rxsize = CONT_CMD_RESET_RX;
requestHeader.cmd = command;
requestHeader.typeh = CONT_CMD_NOP;
requestHeader.typel = CONT_CMD_NOP;
requestHeader.status = CONT_CMD_NOP;
requestHeader.dummy1 = CONT_CMD_NOP;
for (i = 0; i < _osContNumControllers; i++) {
*(__OSContRequesFormat*) ptr = requestHeader;
ptr += sizeof(requestHeader);
}
*ptr = CONT_CMD_END;
}
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