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#include "libultra_internal.h"
#include "controller.h"
#include <macros.h>
extern u8 __osContLastCmd;
extern u8 _osContNumControllers;
void __osPackReadData(void);
s32 osContStartReadData(OSMesgQueue* mesg) {
s32 ret = 0;
s32 i;
__osSiGetAccess();
if (__osContLastCmd != CONT_CMD_READ_BUTTON) {
__osPackReadData();
ret = __osSiRawStartDma(OS_WRITE, __osContPifRam.ramarray);
osRecvMesg(mesg, NULL, OS_MESG_BLOCK);
}
for (i = 0; i < ARRLEN(__osContPifRam.ramarray) + 1; i++) {
__osContPifRam.ramarray[i] = CONT_CMD_NOP;
}
__osContPifRam.pifstatus = 0;
ret = __osSiRawStartDma(OS_READ, __osContPifRam.ramarray);
__osContLastCmd = CONT_CMD_READ_BUTTON;
__osSiRelAccess();
return ret;
}
void osContGetReadData(OSContPad* pad) {
u8* ptr = (u8*) __osContPifRam.ramarray;
__OSContReadFormat readformat;
s32 i;
for (i = 0; i < _osContNumControllers; i++, ptr += sizeof(readformat), pad++) {
readformat = *(__OSContReadFormat*) ptr;
pad->errno = CHNL_ERR(readformat);
if (pad->errno != 0) {
continue;
}
pad->button = readformat.button;
pad->stick_x = readformat.stick_x;
pad->stick_y = readformat.stick_y;
}
}
void __osPackReadData() {
u8* ptr = (u8*) __osContPifRam.ramarray;
__OSContReadFormat readformat;
s32 i;
for (i = 0; i < ARRLEN(__osContPifRam.ramarray) + 1; i++) {
__osContPifRam.ramarray[i] = 0;
}
__osContPifRam.pifstatus = CONT_CMD_EXE;
readformat.dummy = CONT_CMD_NOP;
readformat.txsize = CONT_CMD_READ_BUTTON_TX;
readformat.rxsize = CONT_CMD_READ_BUTTON_RX;
readformat.cmd = CONT_CMD_READ_BUTTON;
readformat.button = 0xFFFF;
readformat.stick_x = -1;
readformat.stick_y = -1;
for (i = 0; i < _osContNumControllers; i++) {
*(__OSContReadFormat*) ptr = readformat;
ptr += sizeof(readformat);
}
*ptr = CONT_CMD_END;
}
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