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D2: Obey the SD card write-protect tab

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22596 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Rob Purchase 2009-09-01 21:57:38 +00:00
parent 19a5dfea28
commit db287c0971
1 changed files with 7 additions and 0 deletions
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7
firmware/target/arm/tcc780x/sd-tcc780x.c
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@ -50,6 +50,7 @@
#define EC_TRAN_WRITE_ENTRY 9 #define EC_TRAN_WRITE_ENTRY 9
#define EC_TRAN_WRITE_EXIT 10 #define EC_TRAN_WRITE_EXIT 10
#define EC_COMMAND 11 #define EC_COMMAND 11
#define EC_WRITE_PROTECT 12
/* for compatibility */ /* for compatibility */
static long last_disk_activity = -1; static long last_disk_activity = -1;
@ -536,6 +537,12 @@ int sd_write_sectors(IF_MD2(int card_no,) unsigned long start, int count,
const unsigned char *buf_end; const unsigned char *buf_end;
bool aligned; bool aligned;
if ((card_no == CARD_NUM_SLOT) && (GPIOA & 0x10))
{
/* write protect tab set */
return -EC_WRITE_PROTECT;
}
mutex_lock(&sd_mtx); mutex_lock(&sd_mtx);
sd_enable(true); sd_enable(true);
led(true); led(true);