papermario/src/os/contreaddata.c

64 lines
1.7 KiB
C

#include "PR/controller.h"
#include "PR/siint.h"
#include "PR/rcp.h"
#include "macros.h"
void __osPackReadData(void);
s32 osContStartReadData(OSMesgQueue *mq) {
s32 ret;
int i;
__osSiGetAccess();
if (__osContLastCmd != CONT_CMD_READ_BUTTON) {
__osPackReadData();
ret = __osSiRawStartDma(OS_WRITE, &__osContPifRam);
osRecvMesg(mq, NULL, OS_MESG_BLOCK);
}
ret = __osSiRawStartDma(OS_READ, &__osContPifRam);
__osContLastCmd = CONT_CMD_READ_BUTTON;
__osSiRelAccess();
return ret;
}
void osContGetReadData(OSContPad *data) {
u8 *ptr;
__OSContReadFormat readformat;
int i;
ptr = (u8 *)&__osContPifRam.ramarray;
for (i = 0; i < __osMaxControllers; i++, ptr += sizeof(__OSContReadFormat), data++) {
readformat = *(__OSContReadFormat *)ptr;
data->errno = CHNL_ERR(readformat);
if (data->errno == 0) {
data->button = readformat.button;
data->stick_x = readformat.stick_x;
data->stick_y = readformat.stick_y;
}
}
}
void __osPackReadData(void) {
u8 *ptr;
__OSContReadFormat readformat;
int i;
ptr = (u8*)&__osContPifRam.ramarray;
for (i = 0; i < ARRAY_COUNT(__osContPifRam.ramarray); 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 = -1;
readformat.stick_x = -1;
readformat.stick_y = -1;
for (i = 0; i < __osMaxControllers; i++) {
*(__OSContReadFormat*)ptr = readformat;
ptr += sizeof(__OSContReadFormat);
}
*ptr = CONT_CMD_END;
}