mirror of
https://github.com/HarbourMasters/Starship
synced 2026-05-23 06:54:39 -04:00
petrie911
100 lines
2.7 KiB
C
100 lines
2.7 KiB
C
#include "PR/controller.h"
|
|
#include "siint.h"
|
|
|
|
OSPifRam __osContPifRam ALIGNED(16);
|
|
u8 __osContLastCmd;
|
|
u8 __osMaxControllers;
|
|
|
|
OSTimer __osEepromTimer;
|
|
OSMesgQueue __osEepromTimerQ ALIGNED(8);
|
|
OSMesg __osEepromTimerMsg;
|
|
|
|
s32 __osContinitialized = 0;
|
|
|
|
#define USEC_TO_CYCLES_OLD(n, clock) ((n) * (u64) (clock) / 1000000)
|
|
|
|
s32 osContInit(OSMesgQueue* mq, u8* bitpattern, OSContStatus* data) {
|
|
OSMesg dummy;
|
|
s32 ret = 0;
|
|
OSTime t;
|
|
OSTimer mytimer;
|
|
OSMesgQueue timerMesgQueue;
|
|
|
|
if (__osContinitialized != 0) {
|
|
return 0;
|
|
}
|
|
|
|
__osContinitialized = 1;
|
|
t = osGetTime();
|
|
|
|
if (t < USEC_TO_CYCLES_OLD(500000, osClockRate)) {
|
|
osCreateMesgQueue(&timerMesgQueue, &dummy, 1);
|
|
osSetTimer(&mytimer, USEC_TO_CYCLES_OLD(500000, osClockRate) - t, 0, &timerMesgQueue, &dummy);
|
|
osRecvMesg(&timerMesgQueue, &dummy, OS_MESG_BLOCK);
|
|
}
|
|
__osMaxControllers = 4;
|
|
|
|
__osPackRequestData(CONT_CMD_REQUEST_STATUS);
|
|
|
|
ret = __osSiRawStartDma(OS_WRITE, __osContPifRam.ramarray);
|
|
osRecvMesg(mq, &dummy, OS_MESG_BLOCK);
|
|
|
|
ret = __osSiRawStartDma(OS_READ, __osContPifRam.ramarray);
|
|
osRecvMesg(mq, &dummy, OS_MESG_BLOCK);
|
|
|
|
__osContGetInitData(bitpattern, data);
|
|
__osContLastCmd = CONT_CMD_REQUEST_STATUS;
|
|
__osSiCreateAccessQueue();
|
|
osCreateMesgQueue(&__osEepromTimerQ, &__osEepromTimerMsg, 1);
|
|
|
|
return ret;
|
|
}
|
|
|
|
void __osContGetInitData(u8* pattern, OSContStatus* data) {
|
|
u8* ptr;
|
|
__OSContRequesFormat requestHeader;
|
|
s32 i;
|
|
u8 bits;
|
|
|
|
bits = 0;
|
|
ptr = (u8*) __osContPifRam.ramarray;
|
|
for (i = 0; i < __osMaxControllers; i++, ptr += sizeof(requestHeader), data++) {
|
|
requestHeader = *(__OSContRequesFormat*) 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 cmd) {
|
|
u8* ptr;
|
|
__OSContRequesFormat requestHeader;
|
|
s32 i;
|
|
|
|
for (i = 0; i < ARRLEN(__osPfsPifRam.raw); i++) {
|
|
__osContPifRam.raw[i] = 0;
|
|
}
|
|
|
|
__osContPifRam.pifstatus = CONT_CMD_READ_BUTTON;
|
|
ptr = (u8*) __osContPifRam.ramarray;
|
|
requestHeader.dummy = CONT_CMD_NOP;
|
|
requestHeader.txsize = CONT_CMD_RESET_TX;
|
|
requestHeader.rxsize = CONT_CMD_RESET_RX;
|
|
requestHeader.cmd = cmd;
|
|
requestHeader.typeh = CONT_CMD_NOP;
|
|
requestHeader.typel = CONT_CMD_NOP;
|
|
requestHeader.status = CONT_CMD_NOP;
|
|
requestHeader.dummy1 = CONT_CMD_NOP;
|
|
|
|
for (i = 0; i < __osMaxControllers; i++) {
|
|
*(__OSContRequesFormat*) ptr = requestHeader;
|
|
ptr += sizeof(requestHeader);
|
|
}
|
|
*ptr = CONT_CMD_END;
|
|
}
|