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