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For Linux 2.4, USB : Carefully avoided to inquire more data than available

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This commit is contained in:
Thomas Schmitt
2007-05-21 18:57:09 +00:00
parent 41f2a40a58
commit 79adcb520b
7 changed files with 472 additions and 94 deletions
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26
libburn/sbc.c
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@ -11,19 +11,22 @@
#include "options.h"
/* spc command set */
static char SBC_LOAD[] = { 0x1b, 0, 0, 0, 3, 0 };
static char SBC_UNLOAD[] = { 0x1b, 0, 0, 0, 2, 0 };
static char SBC_START_UNIT[] = { 0x1b, 0, 0, 0, 1, 0 };
static unsigned char SBC_LOAD[] = { 0x1b, 0, 0, 0, 3, 0 };
static unsigned char SBC_UNLOAD[] = { 0x1b, 0, 0, 0, 2, 0 };
static unsigned char SBC_START_UNIT[] = { 0x1b, 0, 0, 0, 1, 0 };
void sbc_load(struct burn_drive *d)
{
struct command c;
scsi_init_command(&c, SBC_LOAD, sizeof(SBC_LOAD));
/*
memcpy(c.opcode, SBC_LOAD, sizeof(SBC_LOAD));
c.retry = 1;
c.oplen = sizeof(SBC_LOAD);
c.dir = NO_TRANSFER;
c.page = NULL;
*/
c.retry = 1;
c.dir = NO_TRANSFER;
d->issue_command(d, &c);
spc_wait_unit_attention(d, 60);
}
@ -32,11 +35,13 @@ void sbc_eject(struct burn_drive *d)
{
struct command c;
c.page = NULL;
scsi_init_command(&c, SBC_UNLOAD, sizeof(SBC_UNLOAD));
/*
memcpy(c.opcode, SBC_UNLOAD, sizeof(SBC_UNLOAD));
c.oplen = 1;
c.oplen = sizeof(SBC_UNLOAD);
c.page = NULL;
*/
c.page = NULL;
c.dir = NO_TRANSFER;
d->issue_command(d, &c);
}
@ -46,11 +51,14 @@ int sbc_start_unit(struct burn_drive *d)
{
struct command c;
scsi_init_command(&c, SBC_START_UNIT, sizeof(SBC_START_UNIT));
/*
memcpy(c.opcode, SBC_START_UNIT, sizeof(SBC_START_UNIT));
c.retry = 1;
c.oplen = sizeof(SBC_START_UNIT);
c.dir = NO_TRANSFER;
c.page = NULL;
*/
c.retry = 1;
c.dir = NO_TRANSFER;
d->issue_command(d, &c);
return (c.error==0);
}