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#include "array_count.h"
#include "ultra64.h"
s32 osContStartReadData(OSMesgQueue* mq) {
s32 ret;
__osSiGetAccess();
if (__osContLastCmd != CONT_CMD_READ_BUTTON) {
__osPackReadData();
__osSiRawStartDma(OS_WRITE, &__osContPifRam);
osRecvMesg(mq, NULL, OS_MESG_BLOCK);
}
ret = __osSiRawStartDma(OS_READ, &__osContPifRam);
#ifdef BBPLAYER
__osContLastCmd = CONT_CMD_CHANNEL_RESET;
#else
__osContLastCmd = CONT_CMD_READ_BUTTON;
#endif
__osSiRelAccess();
return ret;
}
void osContGetReadData(OSContPad* contData) {
u8* ptr = (u8*)&__osContPifRam;
__OSContReadFormat read;
s32 i;
for (i = 0; i < __osMaxControllers; i++, ptr += sizeof(read), contData++) {
read = *((__OSContReadFormat*)ptr);
contData->errno = CHNL_ERR(read);
if (contData->errno == 0) {
contData->button = read.button;
contData->stick_x = read.joyX;
contData->stick_y = read.joyY;
}
}
#ifdef BBPLAYER
if (__osBbIsBb && __osBbHackFlags != 0) {
OSContPad tmp;
contData -= __osMaxControllers;
tmp = contData[0];
contData[0] = contData[__osBbHackFlags];
contData[__osBbHackFlags] = tmp;
}
#endif
}
void __osPackReadData(void) {
u8* ptr = (u8*)&__osContPifRam;
__OSContReadFormat read;
s32 i;
for (i = 0; i < ARRAY_COUNT(__osContPifRam.ram); i++) {
__osContPifRam.ram[i] = 0;
}
__osContPifRam.status = CONT_CMD_EXE;
read.align = CONT_CMD_NOP;
read.txsize = CONT_CMD_READ_BUTTON_TX;
read.rxsize = CONT_CMD_READ_BUTTON_RX;
read.cmd = CONT_CMD_READ_BUTTON;
read.button = 0xFFFF;
read.joyX = -1;
read.joyY = -1;
for (i = 0; i < __osMaxControllers; i++) {
*((__OSContReadFormat*)ptr) = read;
ptr += sizeof(read);
}
*ptr = CONT_CMD_END;
}
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