1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
#include "global.h"
OSPifRam __osPifInternalBuff;
u8 __osContLastPoll;
u8 __osMaxControllers; // always 4
OSTimer __osEepromTimer;
OSMesgQueue __osEepromTimerMsgQ;
OSMesg __osEepromTimerMsg;
u32 gOSContInitialized = 0;
#define HALF_SECOND OS_USEC_TO_CYCLES(500000)
s32 osContInit(OSMesgQueue* mq, u8* ctlBitfield, OSContStatus* status) {
OSMesg mesg;
s32 ret = 0;
OSTime currentTime;
OSTimer timer;
OSMesgQueue timerqueue;
if (gOSContInitialized) {
return 0;
}
gOSContInitialized = 1;
currentTime = osGetTime();
if (HALF_SECOND > currentTime) {
osCreateMesgQueue(&timerqueue, &mesg, 1);
osSetTimer(&timer, HALF_SECOND - currentTime, 0, &timerqueue, &mesg);
osRecvMesg(&timerqueue, &mesg, OS_MESG_BLOCK);
}
__osMaxControllers = MAXCONTROLLERS;
__osPackRequestData(CONT_CMD_REQUEST_STATUS);
ret = __osSiRawStartDma(OS_WRITE, &__osPifInternalBuff);
osRecvMesg(mq, &mesg, OS_MESG_BLOCK);
ret = __osSiRawStartDma(OS_READ, &__osPifInternalBuff);
osRecvMesg(mq, &mesg, OS_MESG_BLOCK);
__osContGetInitData(ctlBitfield, status);
__osContLastPoll = CONT_CMD_REQUEST_STATUS;
__osSiCreateAccessQueue();
osCreateMesgQueue(&__osEepromTimerMsgQ, &__osEepromTimerMsg, 1);
return ret;
}
void __osContGetInitData(u8* ctlBitfield, OSContStatus* status) {
u8* bufptr;
__OSContRequestHeader req;
s32 i;
u8 bitfieldTemp = 0;
bufptr = (u8*)(&__osPifInternalBuff);
for (i = 0; i < __osMaxControllers; i++, bufptr += sizeof(req), status++) {
req = *((__OSContRequestHeader*)bufptr);
status->errno = (req.rxsize & 0xC0) >> 4;
if (status->errno) {
continue;
}
status->type = req.typel << 8 | req.typeh;
status->status = req.status;
bitfieldTemp |= 1 << i;
}
*ctlBitfield = bitfieldTemp;
}
void __osPackRequestData(u8 poll) {
u8* bufptr;
__OSContRequestHeader req;
s32 i;
for (i = 0; i < 0xF; i++) {
__osPifInternalBuff.ram[i] = 0;
}
__osPifInternalBuff.status = 1;
bufptr = &__osPifInternalBuff;
req.align = 0xFF;
req.txsize = 1;
req.rxsize = 3;
req.poll = poll;
req.typeh = 0xFF;
req.typel = 0xFF;
req.status = 0xFF;
req.align1 = 0xFF;
for (i = 0; i < __osMaxControllers; i++) {
*((__OSContRequestHeader*)bufptr) = req;
bufptr += sizeof(req);
}
*((u8*)bufptr) = 254;
}
|
