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handle START_STOP_UNIT eject command, to make TEST_UNIT_READY return false once the OS ejects

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16503 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Frank Gevaerts 2008-03-03 22:53:25 +00:00
parent 81d3a02928
commit 6cfa909002
1 changed files with 15 additions and 0 deletions
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15
firmware/usbstack/usb_storage.c
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@ -219,6 +219,7 @@ static void send_block_data(void *data,int size);
static void receive_block_data(void *data,int size);
static void identify2inquiry(int lun);
static void send_and_read_next(void);
static bool ejected[NUM_VOLUMES];
static enum {
WAITING_FOR_COMMAND,
@ -231,6 +232,9 @@ static enum {
/* called by usb_code_init() */
void usb_storage_init(void)
{
int i;
for(i=0;i<NUM_VOLUMES;i++)
ejected[i]=false;
logf("usb_storage_init done");
}
@ -473,6 +477,9 @@ static void handle_scsi(struct command_block_wrapper* cbw)
block_count = (identify[61] << 16 | identify[60]);
#endif
if(ejected[lun])
lun_present = false;
#ifdef MAX_LOG_SECTOR_SIZE
block_size_mult = disk_sector_multiplier;
#endif
@ -634,6 +641,14 @@ static void handle_scsi(struct command_block_wrapper* cbw)
case SCSI_START_STOP_UNIT:
logf("scsi start_stop unit %d",lun);
if((cbw->command_block[4] & 0xf0) == 0) /* Process start and eject bits */
{
if((cbw->command_block[4] & 0x01) == 0 &&
(cbw->command_block[4] & 0x02) != 0) /* Stop and eject */
{
ejected[lun]=true;
}
}
send_csw(UMS_STATUS_GOOD);
break;