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Sansa AMS: Add MCI_RESPONSE_ERROR macro to make code function more obvious.

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MCI_RESPONSE_ERROR covers MCI_CMD_TIMEOUT & MCI_CMD_CRC_FAIL and makes it more clear that these are errors in the response and not the command itself.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24003 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jack Halpin 2009-12-15 06:11:29 +00:00
parent 7bb00be29d
commit 0f19f4713d
1 changed files with 5 additions and 1 deletions
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6
firmware/target/arm/as3525/ata_sd_as3525.c
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@ -86,6 +86,10 @@
| MCI_RX_OVERRUN \
| MCI_START_BIT_ERR)
#define MCI_RESPONSE_ERROR \
( MCI_CMD_TIMEOUT \
| MCI_CMD_CRC_FAIL)
#define MCI_FIFO(i) ((unsigned long *) (pl180_base[i]+0x80))
/* volumes */
#define INTERNAL_AS3525 0 /* embedded SD card */
@ -234,7 +238,7 @@ static bool send_cmd(const int drive, const int cmd, const int arg,
{
response[0] = MCI_RESP0(drive); /* Always prepare short response */
if(status & (MCI_CMD_TIMEOUT | MCI_CMD_CRC_FAIL)) /* failed response */
if(status & MCI_RESPONSE_ERROR) /* timeout or crc failure */
return false;
if(status & MCI_CMD_RESP_END) /*Response passed CRC check */