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desmume
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core: 

- fix RTC write;
This commit is contained in:
mtabachenko 2008-09-29 09:37:23 +00:00
parent ca9c79639d
commit 0c3889afb1
1 changed files with 127 additions and 103 deletions
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230
desmume/src/rtc.cpp
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@ -38,6 +38,8 @@ const u8 valRTC[100]= { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x
0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99 }; 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99 };
const u8 cmdSizes[8] = {1, 7, 3, 1, 3, 1, 1};
typedef struct typedef struct
{ {
@ -73,131 +75,152 @@ void rtcInit()
//====================================================== RTC write //====================================================== RTC write
INLINE void rtcPost(u8 data) INLINE void rtcPost(u8 data)
{ {
if (rtc.bitPosRead != rtc.bitSizeRead) return; if (rtc.cmdSize == 0)
rtc.bitPosRead = 0;
if ((data & 0x0F) == 0x06)
rtc.cmd = reverseBitsInByte(data);
else
if ((data & 0xF0) == 0x60)
rtc.cmd = data;
else
{
//printlog("RTC ERROR: command not supported\n");
return;
}
rtc.stat = (rtc.cmd & 0x01);
rtc.cmd = (rtc.cmd & 0x0E)>>1;
//printlog("+++++RTC: execute command 0x%02X (%s)\n", rtc.cmd, rtc.stat?"read":"write");
if (rtc.stat)
{ {
rtc.bitSizeRead = 8; if (rtc.bitPosRead != rtc.bitSizeRead) return;
rtc.dataRead1 = 0; rtc.bitPosRead = 0;
rtc.dataRead2 = 0;
//printlog("RTC: read %X\n", rtc.cmd);
switch (rtc.cmd)
{
case 0: // status register 1
//printlog("RTC: read status 1 (%X) %s\n", rtc.regStatus1, rtc.revBits?"rev":"fwd");
rtc.dataRead1 = rtc.regStatus1;
rtc.regStatus1 &= 0x0F;
break;
case 1: // status register 2
//printlog("RTC: read status 2 %s\n", rtc.revBits?"rev":"fwd");
rtc.dataRead1 = rtc.regStatus2;
break;
case 2: // date & time
{
time_t tm;
time(&tm);
struct tm *tm_local= localtime(&tm);
rtc.dataRead2 = ( ((valRTC[tm_local->tm_hour] & 0x3F) << 0)
| ((tm_local->tm_hour>12?1:0) << 6)
| (valRTC[tm_local->tm_min] << 8)
| (valRTC[tm_local->tm_sec] << 16));
rtc.dataRead1 = ( (valRTC[tm_local->tm_year-100] << 0) if ((data & 0x0F) == 0x06)
| (valRTC[tm_local->tm_mon+1] << 8) rtc.cmd = reverseBitsInByte(data);
| (valRTC[tm_local->tm_mday] << 16) else
| (valRTC[tm_local->tm_wday] << 24)); if ((data & 0xF0) == 0x60)
rtc.cmd = data;
rtc.bitSizeRead = 7 << 3; else
break;
}
case 3: // time
{ {
//printlog("RTC: read time\n"); //printlog("RTC ERROR: command not supported\n");
time_t tm; return;
time(&tm);
struct tm *tm_local= localtime(&tm);
rtc.dataRead1 = ( ((valRTC[tm_local->tm_hour] & 0x3F) << 0)
| ((tm_local->tm_hour>12?1:0) << 6)
| (valRTC[tm_local->tm_min] << 8)
| (valRTC[tm_local->tm_sec] << 16));
rtc.bitSizeRead = 3 << 3;
break;
} }
case 4: // freq/alarm 1
//printlog("RTC: read freq"); rtc.stat = (rtc.cmd & 0x01);
break; rtc.cmd = (rtc.cmd & 0x0E)>>1;
case 5: // alarm 2 //printlog("+++++RTC: execute command 0x%02X (%s)\n", rtc.cmd, rtc.stat?"read":"write");
//printlog("RTC: read alarm 2\n"); if (!rtc.stat)
break;
case 6: // clock adjust
//printlog("RTC: read clock adjust\n");
break;
case 7: // free register
//printlog("RTC: read free register\n");
break;
default:
rtc.bitSizeRead = 0;
break;
}
}
else
{ {
//printlog("RTC: write %X\n", rtc.cmd); rtc.cmdSize = cmdSizes[rtc.cmd];
return;
}
else
rtc.cmdSize = 0;
if (rtc.stat)
{
rtc.bitSizeRead = 8;
rtc.dataRead1 = 0;
rtc.dataRead2 = 0;
//printlog("RTC: read %X\n", rtc.cmd);
switch (rtc.cmd) switch (rtc.cmd)
{ {
case 0: // status1 case 0: // status register 1
//printlog("RTC: write status 1 (%X)\n", data); //printlog("RTC: read status 1 (%X) %s\n", rtc.regStatus1, rtc.revBits?"rev":"fwd");
rtc.regStatus1 = data; rtc.dataRead1 = rtc.regStatus1;
if (rtc.regStatus1 & 0x10) rtc.regStatus1 &= 0x0F;
{
//printlog("IRQ7\n");
NDS_makeARM7Int(7);
}
break; break;
case 1: // status register 2 case 1: // status register 2
rtc.regStatus2 = data; //printlog("RTC: read status 2 %s\n", rtc.revBits?"rev":"fwd");
//printlog("RTC: write status 2 (%X)\n", data); rtc.dataRead1 = rtc.regStatus2;
break; break;
case 2: // date & time case 2: // date & time
//printlog("RTC: write date & time (%X)\n", data); {
break; time_t tm;
time(&tm);
struct tm *tm_local= localtime(&tm);
u8 hour = tm_local->tm_hour, noon=0;
if (hour>11)
{
hour-=12;
noon=1;
}
rtc.dataRead2 = ( ((valRTC[hour]) << 0)
//| (noon << 7)
| (valRTC[tm_local->tm_min] << 8)
| (valRTC[tm_local->tm_sec] << 16));
rtc.dataRead1 = ( (valRTC[tm_local->tm_year-100] << 0)
| (valRTC[tm_local->tm_mon+1] << 8)
| (valRTC[tm_local->tm_mday] << 16)
| (valRTC[tm_local->tm_wday] << 24));
rtc.bitSizeRead = 7 << 3;
break;
}
case 3: // time case 3: // time
//printlog("RTC: write time (%X)\n", data); {
break; //printlog("RTC: read time\n");
time_t tm;
time(&tm);
struct tm *tm_local= localtime(&tm);
u8 hour = tm_local->tm_hour, noon=0;
if (hour>11)
{
hour-=12;
noon=1;
}
rtc.dataRead1 = ( ((valRTC[hour]) << 0)
//| (noon << 6)
| (valRTC[tm_local->tm_min] << 8)
| (valRTC[tm_local->tm_sec] << 16));
rtc.bitSizeRead = 3 << 3;
break;
}
case 4: // freq/alarm 1 case 4: // freq/alarm 1
//printlog("RTC: write freq (%X)", data); //printlog("RTC: read freq");
break; break;
case 5: // alarm 2 case 5: // alarm 2
//printlog("RTC: write alarm 2 (%X)\n", data); //printlog("RTC: read alarm 2\n");
break; break;
case 6: // clock adjust case 6: // clock adjust
//printlog("RTC: write clock adjust (%X)\n", data); //printlog("RTC: read clock adjust\n");
break; break;
case 7: // free register case 7: // free register
//printlog("RTC: write free register (%X)\n", data); //printlog("RTC: read free register\n");
break;
default:
rtc.bitSizeRead = 0;
break; break;
} }
} }
return;
}
rtc.cmdSize--;
//printlog("RTC: write %X val=%X\n", rtc.cmd, data);
switch (rtc.cmd)
{
case 0: // status1
//printlog("RTC: write status 1 (%X)\n", data);
rtc.regStatus1 = data;
if (rtc.regStatus1 & 0x10)
{
//printlog("IRQ7\n");
NDS_makeARM7Int(7);
}
break;
case 1: // status register 2
rtc.regStatus2 = data;
//printlog("RTC: write status 2 (%X)\n", data);
break;
case 2: // date & time
//printlog("RTC: write date & time (%X)\n", data);
break;
case 3: // time
//printlog("RTC: write time (%X)\n", data);
break;
case 4: // freq/alarm 1
//printlog("RTC: write freq (%X)", data);
break;
case 5: // alarm 2
//printlog("RTC: write alarm 2 (%X)\n", data);
break;
case 6: // clock adjust
//printlog("RTC: write clock adjust (%X)\n", data);
break;
case 7: // free register
//printlog("RTC: write free register (%X)\n", data);
break;
}
} }
INLINE u8 rtcRead() INLINE u8 rtcRead()
@ -227,6 +250,7 @@ INLINE void rtcWrite(u16 val)
rtc.bitPosWrite++; rtc.bitPosWrite++;
if (rtc.bitPosWrite == 8) if (rtc.bitPosWrite == 8)
{ {
//printlog("RTC: write\n");
rtcPost(rtc.dataWrite); rtcPost(rtc.dataWrite);
rtc.bitPosWrite = 0; rtc.bitPosWrite = 0;
rtc.dataWrite = 0; rtc.dataWrite = 0;