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fully renamed ty to card_type

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This commit is contained in:
Markus Fröschle
2013-07-19 04:33:46 +00:00
parent 0fe44c5f1d
commit 7982d415ef
1 changed files with 9 additions and 8 deletions
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17
BaS_gcc/sources/mmc.c
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@@ -387,11 +387,12 @@ static uint8_t send_cmd(uint8_t cmd, uint32_t arg)
*/
DSTATUS disk_initialize(uint8_t drv)
{
uint8_t n, cmd, ty, ocr[4];
uint8_t n, cmd, card_type, ocr[4];
if (drv)
return STA_NOINIT; /* Supports only drive 0 */
power_on(); /* Initialize SPI */
if (Stat & STA_NODISK)
@@ -402,7 +403,7 @@ DSTATUS disk_initialize(uint8_t drv)
for (n = 10; n; n--)
xchg_spi(0xFF, 1); /* Send 80 dummy clocks */
ty = 0;
card_type = 0;
if (send_cmd(CMD0, 0) == 1) { /* Put the card SPI/Idle state */
int32_t target;
@@ -419,7 +420,7 @@ DSTATUS disk_initialize(uint8_t drv)
if (MCF_SLT_SCNT(0) > target && send_cmd(CMD58, 0) == 0) { /* Check CCS bit in the OCR */
for (n = 0; n < 4; n++)
ocr[n] = xchg_spi(0xFF, 1);
ty = (ocr[0] & 0x40) ? CT_SD2 | CT_BLOCK : CT_SD2; /* Card id SDv2 */
card_type = (ocr[0] & 0x40) ? CT_SD2 | CT_BLOCK : CT_SD2; /* Card id SDv2 */
}
}
}
@@ -427,23 +428,23 @@ DSTATUS disk_initialize(uint8_t drv)
{ /* Not SDv2 card */
if (send_cmd(ACMD41, 0) <= 1)
{ /* SDv1 or MMC? */
ty = CT_SD1;
card_type = CT_SD1;
cmd = ACMD41; /* SDv1 (ACMD41(0)) */
} else {
ty = CT_MMC;
card_type = CT_MMC;
cmd = CMD1; /* MMCv3 (CMD1(0)) */
}
target = MCF_SLT_SCNT(0) - (1000L * 1000L * 132); /* 1 sec */
while (MCF_SLT_SCNT(0) > target && send_cmd(cmd, 0)); /* Wait for end of initialization */
if (send_cmd(CMD16, 512) != 0) /* Set block length: 512 */
ty = 0;
card_type = 0;
}
}
CardType = ty; /* Card type */
CardType = card_type; /* Card type */
deselect();
if (ty) { /* OK */
if (card_type) { /* OK */
SPICLK_FAST(); /* Set fast clock */
Stat &= ~STA_NOINIT; /* Clear STA_NOINIT flag */
} else { /* Failed */