mirror of
https://gitlab.com/ryandwyer/perfect-dark
synced 2026-08-02 16:26:26 -04:00
Ryan Dwyer
75 lines
1.5 KiB
C
75 lines
1.5 KiB
C
#include <libultra_internal.h>
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#include "data.h"
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#include "bss.h"
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void __osPackReadData(void);
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s32 osContStartReadData(OSMesgQueue *mq)
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{
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s32 ret = 0;
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s32 i;
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__osSiGetAccess();
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if (__osContLastCmd != 1) {
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__osPackReadData();
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ret = __osSiRawStartDma(OS_WRITE, &__osContPifRam);
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osRecvMesg(mq, NULL, OS_MESG_BLOCK);
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}
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ret = __osSiRawStartDma(OS_READ, &__osContPifRam);
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__osContLastCmd = 1;
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__osSiRelAccess();
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return ret;
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}
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void osContGetReadData(OSContPad *data)
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{
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u8 *ptr;
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__OSContReadFormat readformat;
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int i;
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ptr = (u8 *)&__osContPifRam.ramarray;
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for (i = 0; i < __osMaxControllers; i++, ptr += sizeof(__OSContReadFormat), data++) {
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readformat = *(__OSContReadFormat *)ptr;
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data->errno = CHNL_ERR(readformat);
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if (data->errno == 0) {
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data->button = readformat.button;
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data->stick_x = readformat.stick_x;
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data->stick_y = readformat.stick_y;
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}
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}
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}
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void __osPackReadData(void)
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{
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u8 *ptr;
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__OSContReadFormat readformat;
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int i;
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ptr = (u8*)&__osContPifRam.ramarray;
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for (i = 0; i < ARRLEN(__osContPifRam.ramarray); i++) {
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__osContPifRam.ramarray[i] = 0;
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}
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__osContPifRam.pifstatus = CONT_CMD_EXE;
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readformat.dummy = CONT_CMD_NOP;
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readformat.txsize = CONT_CMD_READ_BUTTON_TX;
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readformat.rxsize = CONT_CMD_READ_BUTTON_RX;
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readformat.cmd = CONT_CMD_READ_BUTTON;
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readformat.button = -1;
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readformat.stick_x = -1;
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readformat.stick_y = -1;
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for(i=0; i < __osMaxControllers; i++) {
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*(__OSContReadFormat*)ptr = readformat;
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ptr += sizeof(__OSContReadFormat);
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}
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*ptr = CONT_CMD_END;
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}
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