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added read capacity 10 with hacking code

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This commit is contained in:
hathach
2013-09-22 23:54:44 +07:00
parent cc91a73cdc
commit a8a10e8650
8 changed files with 179 additions and 60 deletions
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160
tinyusb/class/msc_host.c
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@@ -53,15 +53,18 @@
//--------------------------------------------------------------------+
typedef struct {
pipe_handle_t bulk_in, bulk_out;
uint8_t interface_number;
uint8_t max_lun;
uint8_t interface_number;
uint8_t max_lun;
uint16_t block_size;
uint32_t last_lba; // last logical block address
uint8_t vendor_id[8];
uint8_t product_id[16];
msc_cmd_block_wrapper_t cbw;
msc_cmd_status_wrapper_t csw;
uint8_t buffer[100];
ATTR_ALIGNED(4) uint8_t buffer[100];
}msch_interface_t;
STATIC_VAR msch_interface_t msch_data[TUSB_CFG_HOST_DEVICE_MAX] TUSB_CFG_ATTR_USBRAM; // TODO to be static
@@ -76,26 +79,106 @@ STATIC_VAR uint8_t msch_buffer[10] TUSB_CFG_ATTR_USBRAM;
//--------------------------------------------------------------------+
// PUBLIC API
//--------------------------------------------------------------------+
bool tusbh_msc_is_mounted(uint8_t dev_addr)
bool tusbh_msc_is_mounted(uint8_t dev_addr)
{
return tusbh_device_is_configured(dev_addr) &&
pipehandle_is_valid(msch_data[dev_addr-1].bulk_in) &&
pipehandle_is_valid(msch_data[dev_addr-1].bulk_out);
}
uint8_t const * tusbh_msc_get_vendor_name(uint8_t dev_addr)
uint8_t const* tusbh_msc_get_vendor_name(uint8_t dev_addr)
{
return tusbh_msc_is_mounted(dev_addr) ? msch_data[dev_addr-1].vendor_id : NULL;
}
uint8_t const * tusbh_msc_get_product_name(uint8_t dev_addr)
uint8_t const* tusbh_msc_get_product_name(uint8_t dev_addr)
{
return tusbh_msc_is_mounted(dev_addr) ? msch_data[dev_addr-1].product_id : NULL;
}
tusb_error_t tusbh_msc_get_capacity(uint8_t dev_addr, uint32_t* p_last_lba, uint32_t* p_block_size)
{
if ( !tusbh_msc_is_mounted(dev_addr) ) return TUSB_ERROR_MSCH_DEVICE_NOT_MOUNTED;
ASSERT(p_last_lba != NULL && p_block_size != NULL, TUSB_ERROR_INVALID_PARA);
(*p_last_lba) = msch_data[dev_addr-1].last_lba;
(*p_block_size) = (uint32_t) msch_data[dev_addr-1].block_size;
return TUSB_ERROR_NONE;
}
//--------------------------------------------------------------------+
// CLASS-USBH API (don't require to verify parameters)
//--------------------------------------------------------------------+
static tusb_error_t scsi_command_send(msch_interface_t * p_msch, scsi_cmd_type_t cmd_code, uint8_t lun)
{
p_msch->cbw.signature = 0x43425355;
p_msch->cbw.tag = 0xCAFECAFE;
p_msch->cbw.lun = lun;
switch ( cmd_code )
{
case SCSI_CMD_INQUIRY:
p_msch->cbw.xfer_bytes = sizeof(scsi_inquiry_data_t);
p_msch->cbw.flags = TUSB_DIR_DEV_TO_HOST_MASK;
p_msch->cbw.cmd_len = sizeof(scsi_inquiry_t);
scsi_inquiry_t cmd_inquiry =
{
.cmd_code = SCSI_CMD_INQUIRY,
.alloc_length = sizeof(scsi_inquiry_data_t)
};
memcpy(p_msch->cbw.command, &cmd_inquiry, sizeof(scsi_inquiry_t));
break;
case SCSI_CMD_READ_CAPACITY_10:
p_msch->cbw.xfer_bytes = sizeof(scsi_read_capacity10_data_t);
p_msch->cbw.flags = TUSB_DIR_DEV_TO_HOST_MASK;
p_msch->cbw.cmd_len = sizeof(scsi_read_capacity10_t);
scsi_read_capacity10_t cmd_read_capacity10 =
{
.cmd_code = SCSI_CMD_READ_CAPACITY_10,
.logical_block_addr = 0,
.partial_medium_indicator = 0
};
memcpy(p_msch->cbw.command, &cmd_read_capacity10, sizeof(scsi_read_capacity10_t));
break;
case SCSI_CMD_TEST_UNIT_READY:
break;
case SCSI_CMD_READ_10:
break;
case SCSI_CMD_WRITE_10:
break;
case SCSI_CMD_REQUEST_SENSE:
p_msch->cbw.xfer_bytes = 18;
p_msch->cbw.flags = TUSB_DIR_DEV_TO_HOST_MASK;
p_msch->cbw.cmd_len = sizeof(scsi_request_sense_t);
scsi_request_sense_t cmd_request_sense =
{
.cmd_code = SCSI_CMD_REQUEST_SENSE,
.alloc_length = 18
};
memcpy(p_msch->cbw.command, &cmd_request_sense, sizeof(scsi_request_sense_t));
break;
default:
return TUSB_ERROR_MSCH_UNKNOWN_SCSI_COMMAND;
}
ASSERT_STATUS( hcd_pipe_xfer(p_msch->bulk_out, (uint8_t*) &p_msch->cbw, sizeof(msc_cmd_block_wrapper_t), false) );
ASSERT_STATUS( hcd_pipe_xfer(p_msch->bulk_in , p_msch->buffer, p_msch->cbw.xfer_bytes, false) );
//ASSERT_STATUS( hcd_pipe_xfer(p_msch->bulk_in , &p_msch->csw, sizeof(msc_cmd_status_wrapper_t), true) );
}
void msch_init(void)
{
memclr_(msch_data, sizeof(msch_interface_t)*TUSB_CFG_HOST_DEVICE_MAX);
@@ -142,31 +225,26 @@ tusb_error_t msch_open_subtask(uint8_t dev_addr, tusb_descriptor_interface_t con
SUBTASK_ASSERT( TUSB_ERROR_NONE == error /* && TODO STALL means zero */);
msch_data[dev_addr-1].max_lun = msch_buffer[0];
//------------- SCSI Inquiry -------------//
msch_data[dev_addr-1].cbw = (msc_cmd_block_wrapper_t) {
.signature = 0x43425355,
.tag = 0xCAFECAFE,
.xfer_bytes = sizeof(scsi_inquiry_data_t),
.flags = TUSB_DIR_DEV_TO_HOST_MASK,
.lun = 0,
.cmd_len = sizeof(scsi_inquiry_t),
};
scsi_inquiry_t cmd_inquiry =
{
.operation_code = SCSI_CMD_INQUIRY,
.alloc_length = sizeof(scsi_inquiry_data_t)
};
memcpy(msch_data[dev_addr-1].cbw.command, &cmd_inquiry, sizeof(scsi_inquiry_t));
#if 0
//------------- Reset -------------//
OSAL_SUBTASK_INVOKED_AND_WAIT(
usbh_control_xfer_subtask( dev_addr, bm_request_type(TUSB_DIR_HOST_TO_DEV, TUSB_REQUEST_TYPE_CLASS, TUSB_REQUEST_RECIPIENT_INTERFACE),
MSC_REQUEST_RESET, 0, msch_data[dev_addr-1].interface_number,
0, NULL ),
error
);
#endif
hcd_pipe_xfer(msch_data[dev_addr-1].bulk_out, &msch_data[dev_addr-1].cbw, sizeof(msc_cmd_block_wrapper_t), false);
hcd_pipe_xfer(msch_data[dev_addr-1].bulk_in , msch_data[dev_addr-1].buffer, sizeof(scsi_inquiry_data_t), false);
hcd_pipe_xfer(msch_data[dev_addr-1].bulk_in , &msch_data[dev_addr-1].csw, sizeof(msc_cmd_status_wrapper_t), true);
// TODO timeout required, a proper synchronization
// while( !hcd_pipe_is_idle(msch_data[dev_addr-1].bulk_in) )
{
osal_task_delay(2);
}
//------------- SCSI Inquiry -------------//
scsi_command_send(&msch_data[dev_addr-1], SCSI_CMD_INQUIRY, 0);
osal_task_delay(5);
ASSERT_STATUS( hcd_pipe_xfer(msch_data[dev_addr-1].bulk_in , (uint8_t*) &msch_data[dev_addr-1].csw, sizeof(msc_cmd_status_wrapper_t), true) );
osal_task_delay(5);
// check csw
memcpy(msch_data[dev_addr-1].vendor_id,
((scsi_inquiry_data_t*)msch_data[dev_addr-1].buffer)->vendor_id,
@@ -175,6 +253,24 @@ tusb_error_t msch_open_subtask(uint8_t dev_addr, tusb_descriptor_interface_t con
((scsi_inquiry_data_t*)msch_data[dev_addr-1].buffer)->product_id,
16);
#if 0
//------------- SCSI Request Sense -------------//
scsi_command_send(&msch_data[dev_addr-1], SCSI_CMD_REQUEST_SENSE, 0);
osal_task_delay(5);
ASSERT_STATUS( hcd_pipe_xfer(msch_data[dev_addr-1].bulk_in , (uint8_t*) &msch_data[dev_addr-1].csw, sizeof(msc_cmd_status_wrapper_t), true) );
osal_task_delay(5);
#endif
//------------- SCSI Read Capacity 10 -------------//
scsi_command_send(&msch_data[dev_addr-1], SCSI_CMD_READ_CAPACITY_10, 0);
osal_task_delay(5);
ASSERT_STATUS( hcd_pipe_xfer(msch_data[dev_addr-1].bulk_in , (uint8_t*) &msch_data[dev_addr-1].csw, sizeof(msc_cmd_status_wrapper_t), true) );
osal_task_delay(5);
// check csw
msch_data[dev_addr-1].last_lba = __be2le( ((scsi_read_capacity10_data_t*)msch_data[dev_addr-1].buffer)->last_lba );
msch_data[dev_addr-1].block_size = (uint16_t) __be2le( ((scsi_read_capacity10_data_t*)msch_data[dev_addr-1].buffer)->block_size );
tusbh_msc_mounted_cb(dev_addr);
OSAL_SUBTASK_END
@@ -198,16 +294,6 @@ void msch_close(uint8_t dev_addr)
//--------------------------------------------------------------------+
// INTERNAL & HELPER
//--------------------------------------------------------------------+
//static tusb_error_t scsi_command_send(msc_cmd_block_wrapper_t const * cbw, uint8_t * buffer, msc_cmd_status_wrapper_t const * csw)
//{
// tusb_error_t error;
//
// OSAL_SUBTASK_BEGIN
//
// hcd_pipe_xfer()
//
// OSAL_SUBTASK_END
//}
#endif