void mmcReadCached(u32 sector)
{
//debug("mmcReadCached");
//plotnext(toatarichar(' '));
//plotnextnumber(sector);
//debug("\n");
if(sector==n_actual_mmc_sector) return;
//debug("mmcReadREAL");
//plotnext(toatarichar(' '));
//plotnextnumber(sector);
//debug("\n");
u08 ret,retry;
//predtim nez nacte jiny, musi ulozit soucasny
// TODO mmcWriteCachedFlush();
//az ted nacte novy
retry=0; //zkusi to maximalne 256x
do
{
ret = mmcRead(sector); //vraci 0 kdyz ok
retry--;
} while (ret && retry);
while(ret); //a pokud se vubec nepovedlo, tady zustane zablokovany cely SDrive!
n_actual_mmc_sector=sector;
}
void mmcTest(void)
{
uint32_t sector=0;
uint8_t buffer[0x200];
int c;
// initialize MMC interface
mmcInit();
// print new prompt
rprintf("\r\ncmd>");
// testing loop
while(1)
{
// check for keypress
if((c=uartGetByte()) != -1)
{
switch(c)
{
case 'i':
// initialize card
rprintf("\r\nResetting MMC/SD Card\r\n");
mmcReset();
break;
case 'r':
// read current sector into buffer
rprintf("\r\nRead Sector %d\r\n", sector);
mmcRead(sector, buffer);
// print buffer contents
debugPrintHexTable(0x200, buffer);
break;
case 'w':
// write current sector with data from buffer
rprintf("\r\nWrite Sector %d\r\n", sector);
mmcWrite(sector, buffer);
break;
// move to new sector
case '+': sector++; rprintf("\r\nSector = %d", sector); break;
case '-': sector--; rprintf("\r\nSector = %d", sector); break;
case '*': sector+=512; rprintf("\r\nSector = %d", sector); break;
case '/': sector-=512; rprintf("\r\nSector = %d", sector); break;
case '\r':
default:
break;
}
// print new prompt
rprintf("\r\ncmd>");
}
}
}
DSTATUS disk_initialize (void)
{
DSTATUS stat;
//printf(" in init ");
n_actual_mmc_sector = 0xffffffff;
for(;;)
{
mmc_init();
if (0==mmcRead(1))
break;
}
//printf(" setting freq ");
set_spi_clock_freq();
stat = RES_OK;
return stat;
}
