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/**
* File: voicegetstatus.c
*/
#include "ultra64.h"
#include "PR/controller_voice.h"
#include "PR/controller.h"
s32 __osVoiceGetStatus(OSMesgQueue* mq, s32 channel, u8* status) {
__OSContRequestHeaderAligned header;
s32 errorCode = 0;
s32 i;
u8* ptr = (u8*)&__osContPifRam.ramarray;
s32 retryCount = 2;
__osSiGetAccess();
do {
if (errorCode != CONT_ERR_CONTRFAIL) {
__osContPifRam.status = CONT_CMD_READ_BUTTON;
for (i = 0; i < channel; i++, *ptr++ = 0) {}
*ptr++ = CONT_CMD_REQUEST_STATUS_TX;
*ptr++ = CONT_CMD_REQUEST_STATUS_RX;
*ptr = CONT_CMD_REQUEST_STATUS;
ptr += 4;
*ptr = CONT_CMD_END;
__osContLastPoll = CONT_CMD_END;
errorCode = __osSiRawStartDma(OS_WRITE, &__osContPifRam);
osRecvMesg(mq, NULL, OS_MESG_BLOCK);
}
errorCode = __osSiRawStartDma(OS_READ, &__osContPifRam);
osRecvMesg(mq, NULL, OS_MESG_BLOCK);
ptr = (u8*)&__osContPifRam.ramarray + channel;
header = *((__OSContRequestHeaderAligned*)ptr);
errorCode = (u8)CHNL_ERR(header);
*status = header.status;
if (errorCode == 0) {
if ((header.typeh == 0) && (header.typel == 1)) {
if (header.status & 4) {
errorCode = CONT_ERR_CONTRFAIL;
}
} else {
errorCode = CONT_ERR_DEVICE;
}
} else if (errorCode & CONT_NO_RESPONSE_ERROR) {
errorCode = CONT_ERR_NO_CONTROLLER;
} else {
errorCode = CONT_ERR_CONTRFAIL;
}
} while ((errorCode == CONT_ERR_CONTRFAIL) && (retryCount-- >= 0));
__osSiRelAccess();
return errorCode;
}
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