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class: msc: stage change should be before usbd_ep_start_write()

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- stage change should be before usbd_ep_start_write()

Signed-off-by: Zhihong Chen <zhihong.chen@hpmicro.com>
This commit is contained in:
Zhihong Chen
2024-02-22 18:23:32 +08:00
committed by sakumisu
parent 64773ab5e8
commit 756987050f
1 changed files with 2 additions and 2 deletions
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4
class/msc/usbd_msc.c
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@@ -679,8 +679,6 @@ static bool SCSI_processRead(uint8_t busid)
return false;
}
usbd_ep_start_write(busid, mass_ep_data[busid][MSD_IN_EP_IDX].ep_addr, g_usbd_msc[busid].block_buffer, transfer_len);
g_usbd_msc[busid].start_sector += (transfer_len / g_usbd_msc[busid].scsi_blk_size[g_usbd_msc[busid].cbw.bLUN]);
g_usbd_msc[busid].nsectors -= (transfer_len / g_usbd_msc[busid].scsi_blk_size[g_usbd_msc[busid].cbw.bLUN]);
g_usbd_msc[busid].csw.dDataResidue -= transfer_len;
@@ -689,6 +687,8 @@ static bool SCSI_processRead(uint8_t busid)
g_usbd_msc[busid].stage = MSC_SEND_CSW;
}
usbd_ep_start_write(busid, mass_ep_data[busid][MSD_IN_EP_IDX].ep_addr, g_usbd_msc[busid].block_buffer, transfer_len);
return true;
}