claunia/libcdio-osx
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Add routine to get tray status (open/closed) and sample program.

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Seems broken at least on SuSE 10.1 if not other GNU/Linux's though.
This commit is contained in:
rocky
2006-10-11 12:38:17 +00:00
parent 932617cf75
commit c1f11393ac
9 changed files with 211 additions and 14 deletions
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53
lib/driver/mmc.c
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@@ -1,6 +1,6 @@
/* Common Multimedia Command (MMC) routines.
$Id: mmc.c,v 1.34 2006/04/12 09:30:14 rocky Exp $
$Id: mmc.c,v 1.35 2006/10/11 12:38:18 rocky Exp $
Copyright (C) 2004, 2005, 2006 Rocky Bernstein <rocky@cpan.org>
@@ -169,6 +169,13 @@ get_mcn_mmc (const void *p_user_data)
return mmc_get_mcn( p_env->cdio );
}
driver_return_code_t
get_tray_status (const void *p_user_data)
{
const generic_img_private_t *p_env = p_user_data;
return mmc_get_tray_status( p_env->cdio );
}
/*! Read sectors using SCSI-MMC GPCMD_READ_CD.
Can read only up to 25 blocks.
*/
@@ -842,12 +849,12 @@ mmc_get_hwinfo ( const CdIo_t *p_cdio,
}
/*!
Find out if media has changed since the last call.
Return results of media status
@param p_cdio the CD object to be acted upon.
@return 1 if media has changed since last call, 0 if not. Error
@return DRIVER_OP_SUCCESS (0) if we got the status.
return codes are the same as driver_return_code_t
*/
int mmc_get_media_changed(const CdIo_t *p_cdio)
int mmc_get_event_status(const CdIo_t *p_cdio, uint8_t out_buf[2])
{
mmc_cdb_t cdb = {{0, }};
uint8_t buf[8] = { 0, };
@@ -869,11 +876,30 @@ int mmc_get_media_changed(const CdIo_t *p_cdio)
&cdb, SCSI_MMC_DATA_READ,
sizeof(buf), buf);
if(i_status == 0) {
return 0 != (buf[4] & 0x02);
out_buf[0] = buf[4];
out_buf[1] = buf[5];
return DRIVER_OP_SUCCESS;
}
return DRIVER_OP_ERROR;
}
/*!
Find out if media has changed since the last call.
@param p_cdio the CD object to be acted upon.
@return 1 if media has changed since last call, 0 if not. Error
return codes are the same as driver_return_code_t
*/
int mmc_get_media_changed(const CdIo_t *p_cdio)
{
uint8_t status_buf[2];
int i_status;
i_status = mmc_get_event_status(p_cdio, status_buf);
if (i_status != DRIVER_OP_SUCCESS)
return i_status;
return (status_buf[0] & 0x02) ? 1 : 0;
}
char *
mmc_get_mcn ( const CdIo_t *p_cdio )
{
@@ -881,6 +907,23 @@ mmc_get_mcn ( const CdIo_t *p_cdio )
return mmc_get_mcn_private (p_cdio->env, p_cdio->op.run_mmc_cmd );
}
/*!
Find out if media tray is open or closed.
@param p_cdio the CD object to be acted upon.
@return 1 if media is open, 0 if closed. Error
return codes are the same as driver_return_code_t
*/
int mmc_get_tray_status(const CdIo_t *p_cdio)
{
uint8_t status_buf[2];
int i_status;
i_status = mmc_get_event_status(p_cdio, status_buf);
if (i_status != DRIVER_OP_SUCCESS)
return i_status;
return (status_buf[1] & 0x01) ? 1 : 0;
}
/*!
Run a MMC command.