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#include "libultra_internal.h"
#include <PR/os_pi.h>
#include "controller.h"
OSPifRam __osPfsPifRam;
s32 osPfsIsPlug(OSMesgQueue* queue, u8* pattern) {
s32 ret;
OSMesg dummy;
u8 bitpattern;
OSContStatus data[MAXCONTROLLERS];
int channel;
u8 bits;
int crc_error_cnt;
ret = 0;
bits = 0;
crc_error_cnt = 3;
__osSiGetAccess();
while (true) {
__osPfsRequestData(CONT_CMD_REQUEST_STATUS);
ret = __osSiRawStartDma(OS_WRITE, &__osPfsPifRam);
osRecvMesg(queue, &dummy, OS_MESG_BLOCK);
ret = __osSiRawStartDma(OS_READ, &__osPfsPifRam);
osRecvMesg(queue, &dummy, OS_MESG_BLOCK);
__osPfsGetInitData(&bitpattern, data);
for (channel = 0; channel < _osContNumControllers; channel++) {
if ((data[channel].status & CONT_ADDR_CRC_ER) == 0) {
crc_error_cnt--;
break;
}
}
if (_osContNumControllers == channel) {
crc_error_cnt = 0;
}
if (crc_error_cnt < 1) {
for (channel = 0; channel < _osContNumControllers; channel++) {
if (data[channel].errnum == 0 && (data[channel].status & CONT_CARD_ON) != 0) {
bits |= 1 << channel;
}
}
__osSiRelAccess();
*pattern = bits;
return ret;
}
}
}
void __osPfsRequestData(u8 cmd) {
u8* ptr;
__OSContRequesFormat requestformat;
int i;
__osContLastCmd = cmd;
for (i = 0; i < ARRLEN(__osPfsPifRam.ramarray) + 1; i++) { // also clear pifstatus
__osPfsPifRam.ramarray[i] = 0;
}
__osPfsPifRam.pifstatus = CONT_CMD_EXE;
ptr = (u8*) &__osPfsPifRam;
requestformat.dummy = CONT_CMD_NOP;
requestformat.txsize = CONT_CMD_REQUEST_STATUS_TX;
requestformat.rxsize = CONT_CMD_REQUEST_STATUS_RX;
requestformat.cmd = cmd;
requestformat.typeh = CONT_CMD_NOP;
requestformat.typel = CONT_CMD_NOP;
requestformat.status = CONT_CMD_NOP;
requestformat.dummy1 = CONT_CMD_NOP;
for (i = 0; i < _osContNumControllers; i++) {
*(__OSContRequesFormat*) ptr = requestformat;
ptr += sizeof(__OSContRequesFormat);
}
*ptr = CONT_CMD_END;
}
void __osPfsGetInitData(u8* pattern, OSContStatus* data) {
u8* ptr;
__OSContRequesFormat requestformat;
int i;
u8 bits;
bits = 0;
ptr = (u8*) &__osPfsPifRam;
for (i = 0; i < _osContNumControllers; i++, ptr += sizeof(__OSContRequesFormat)) {
requestformat = *(__OSContRequesFormat*) ptr;
data->errnum = CHNL_ERR(requestformat);
if (data->errnum == 0) {
data->type = (requestformat.typel << 8) | (requestformat.typeh);
data->status = requestformat.status;
bits |= 1 << i;
}
data++;
}
*pattern = bits;
}
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