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fix BOT case 2 test compliant

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This commit is contained in:
hathach 2021-08-27 17:50:02 +07:00
parent 893dceb198
commit 2667ce6981
1 changed files with 7 additions and 27 deletions
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34
src/class/msc/msc_device.c
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@ -430,32 +430,6 @@ bool mscd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t event, uint32_t
TU_BREAKPOINT();
}
}
// // Accumulate data so far
// p_msc->xferred_len += xferred_bytes;
//
// if ( p_msc->xferred_len >= p_msc->total_len )
// {
// // Data Stage is complete
// p_msc->stage = MSC_STAGE_STATUS;
// }
// else
// {
// // READ10 & WRITE10 Can be executed with large bulk of data e.g write 8K bytes (several flash write)
// // We break it into multiple smaller command whose data size is up to CFG_TUD_MSC_EP_BUFSIZE
// if (SCSI_CMD_READ_10 == p_cbw->command[0])
// {
// proc_read10_cmd(rhport, p_msc);
// }
// else if (SCSI_CMD_WRITE_10 == p_cbw->command[0])
// {
// proc_write10_cmd(rhport, p_msc);
// }else
// {
// // No other command take more than one transfer yet -> unlikely error
// TU_BREAKPOINT();
// }
// }
break;
case MSC_STAGE_STATUS:
@ -714,7 +688,13 @@ static void proc_read10_cmd(uint8_t rhport, mscd_interface_t* p_msc)
msc_cbw_t const * p_cbw = &p_msc->cbw;
uint16_t const block_sz = rdwr10_get_blocksize(p_cbw);
TU_ASSERT(block_sz, ); // prevent div by zero
if ( block_sz == 0 )
{
// 6.7.1 BOT The 13 Cases: case 2 and 3 when cbw->total_bytes == 0
fail_scsi_op(rhport, p_msc, MSC_CSW_STATUS_FAILED);
return;
}
// Adjust lba with transferred bytes
uint32_t const lba = rdwr10_get_lba(p_cbw->command) + (p_msc->xferred_len / block_sz);