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Remove USB time sync code when there's no RTC.

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Without an RTC, Rockbox doesn't keep time. In that situation, USB time sync
previously did nothing but reported success. After this change, the USB time
sync request won't be recognized on those targets.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31319 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Boris Gjenero 2011-12-16 00:09:28 +00:00
parent 6a032a2db1
commit ff1c567417
3 changed files with 20 additions and 1 deletions
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2
firmware/common/timefuncs.c
View file

@ -105,6 +105,7 @@ int set_time(const struct tm *tm)
#endif /* RTC */
}
#if CONFIG_RTC
void set_day_of_week(struct tm *tm)
{
int y=tm->tm_year+1900;
@ -115,4 +116,5 @@ void set_day_of_week(struct tm *tm)
if(m == 0 || m == 1) y--;
tm->tm_wday = (d + mo[m] + y + y/4 - y/100 + y/400) % 7;
}
#endif /* CONFIG_RTC */

2
firmware/include/timefuncs.h
View file

@ -30,8 +30,8 @@ struct tm *get_time(void);
int set_time(const struct tm *tm);
#if CONFIG_RTC
bool valid_time(const struct tm *tm);
#endif
void set_day_of_week(struct tm *tm);
#endif
#endif /* _TIMEFUNCS_H_ */

17
firmware/usbstack/usb_storage.c
View file

@ -31,7 +31,9 @@
/* Needed to get at the audio buffer */
#include "audio.h"
#include "usb_storage.h"
#if CONFIG_RTC
#include "timefuncs.h"
#endif
/* For sector filter macro definitions */
#include "usb-target.h"
@ -299,7 +301,9 @@ static void send_command_result(void *data,int size);
static void send_command_failed_result(void);
static void send_block_data(void *data,int size);
static void receive_block_data(void *data,int size);
#if CONFIG_RTC
static void receive_time(void);
#endif
static void fill_inquiry(IF_MD_NONVOID(int lun));
static void send_and_read_next(void);
static bool ejected[NUM_DRIVES];
@ -322,11 +326,14 @@ static enum {
SENDING_RESULT,
SENDING_FAILED_RESULT,
RECEIVING_BLOCKS,
#if CONFIG_RTC
RECEIVING_TIME,
#endif
WAITING_FOR_CSW_COMPLETION_OR_COMMAND,
WAITING_FOR_CSW_COMPLETION
} state = WAITING_FOR_COMMAND;
#if CONFIG_RTC
static void yearday_to_daymonth(int yd, int y, int *d, int *m)
{
static const char tnl[] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
@ -351,6 +358,7 @@ static void yearday_to_daymonth(int yd, int y, int *d, int *m)
*d = yd+1;
*m = i;
}
#endif /* CONFIG_RTC */
static bool check_disk_present(IF_MD_NONVOID(int volume))
{
@ -491,7 +499,9 @@ void usb_storage_transfer_complete(int ep,int dir,int status,int length)
{
(void)ep;
struct command_block_wrapper* cbw = (void*)cbw_buffer;
#if CONFIG_RTC
struct tm tm;
#endif
logf("transfer result for ep %d/%d %X %d", ep,dir,status, length);
switch(state) {
@ -654,6 +664,7 @@ void usb_storage_transfer_complete(int ep,int dir,int status,int length)
cur_sense_data.ascq=0;
}
break;
#if CONFIG_RTC
case RECEIVING_TIME:
tm.tm_year=(tb.transfer_buffer[0]<<8)+tb.transfer_buffer[1] - 1900;
tm.tm_yday=(tb.transfer_buffer[2]<<8)+tb.transfer_buffer[3];
@ -665,6 +676,7 @@ void usb_storage_transfer_complete(int ep,int dir,int status,int length)
set_time(&tm);
send_csw(UMS_STATUS_GOOD);
break;
#endif /* CONFIG_RTC */
}
}
@ -1131,6 +1143,7 @@ static void handle_scsi(struct command_block_wrapper* cbw)
}
break;
#if CONFIG_RTC
case SCSI_WRITE_BUFFER:
if(cbw->command_block[1]==1 /* mode = vendor specific */
&& cbw->command_block[2]==0 /* buffer id = 0 */
@ -1148,6 +1161,7 @@ static void handle_scsi(struct command_block_wrapper* cbw)
&& cbw->command_block[9]==0)
receive_time();
break;
#endif /* CONFIG_RTC */
default:
logf("scsi unknown cmd %x",cbw->command_block[0x0]);
@ -1177,11 +1191,14 @@ static void send_command_failed_result(void)
state = SENDING_FAILED_RESULT;
}
#if CONFIG_RTC
static void receive_time(void)
{
usb_drv_recv(ep_out, tb.transfer_buffer, 12);
state = RECEIVING_TIME;
}
#endif /* CONFIG_RTC */
static void receive_block_data(void *data,int size)
{
usb_drv_recv(ep_out, data, size);