nihilazo/rockbox
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

send the USB broadcast events at a less busy time

Browse Source 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20142 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Frank Gevaerts 2009-02-28 19:39:28 +00:00
parent 69a5349369
commit ec602b7e75
1 changed files with 13 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
firmware/usbstack/usb_storage.c
View File

@ -235,6 +235,8 @@ static union {
static struct {
unsigned int sector;
unsigned int count;
unsigned int orig_count;
unsigned int cur_cmd;
unsigned int tag;
unsigned int lun;
unsigned char *data[2];
@ -519,6 +521,14 @@ void usb_storage_transfer_complete(int ep,int dir,int status,int length)
}
//logf("csw sent, now go back to idle");
state = WAITING_FOR_COMMAND;
if(cur_cmd.cur_cmd == SCSI_WRITE_10)
{
queue_broadcast(SYS_USB_WRITE_DATA, (cur_cmd.lun<<16)+cur_cmd.orig_count);
}
else if(cur_cmd.cur_cmd == SCSI_READ_10)
{
queue_broadcast(SYS_USB_READ_DATA, (cur_cmd.lun<<16)+cur_cmd.orig_count);
}
usb_drv_recv(ep_out, tb.transfer_buffer, 1024);
break;
case SENDING_RESULT:
@ -688,6 +698,7 @@ static void handle_scsi(struct command_block_wrapper* cbw)
cur_cmd.tag = cbw->tag;
cur_cmd.lun = lun;
cur_cmd.cur_cmd = cbw->command_block[0];
switch (cbw->command_block[0]) {
case SCSI_TEST_UNIT_READY:
@ -964,9 +975,9 @@ static void handle_scsi(struct command_block_wrapper* cbw)
cur_cmd.count = block_size_mult *
(cbw->command_block[7] << 8 |
cbw->command_block[8]);
cur_cmd.orig_count = cur_cmd.count;
//logf("scsi read %d %d", cur_cmd.sector, cur_cmd.count);
queue_broadcast(SYS_USB_READ_DATA, (lun<<16)+cur_cmd.count);
if((cur_cmd.sector + cur_cmd.count) > block_count) {
send_csw(UMS_STATUS_FAIL);
@ -1016,8 +1027,8 @@ static void handle_scsi(struct command_block_wrapper* cbw)
cur_cmd.count = block_size_mult *
(cbw->command_block[7] << 8 |
cbw->command_block[8]);
cur_cmd.orig_count = cur_cmd.count;
queue_broadcast(SYS_USB_WRITE_DATA, (lun<<16)+cur_cmd.count);
/* expect data */
if((cur_cmd.sector + cur_cmd.count) > block_count) {
send_csw(UMS_STATUS_FAIL);