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add tusbh_msc_status

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reanme PRINTF_TARGET_DEBUG_CONSOLE to PRINTF_TARGET_SEMIHOST
add read10 implementation
able to read fat root sector
This commit is contained in:
hathach
2013-09-25 16:20:38 +07:00
parent cf65f859be
commit 1fee50b9fe
18 changed files with 177 additions and 54 deletions
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81
tinyusb/class/msc_host.c
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@@ -53,6 +53,7 @@
//--------------------------------------------------------------------+
STATIC_VAR msch_interface_t msch_data[TUSB_CFG_HOST_DEVICE_MAX] TUSB_CFG_ATTR_USBRAM;
//------------- Initalization Data -------------//
OSAL_SEM_DEF(msch_semaphore);
static osal_semaphore_handle_t msch_sem_hdl;
@@ -69,9 +70,8 @@ ATTR_ALIGNED(4) STATIC_VAR uint8_t msch_buffer[sizeof(scsi_inquiry_data_t)] TUSB
//--------------------------------------------------------------------+
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);
return tusbh_device_is_configured(dev_addr) && // is configured can be omitted
msch_data[dev_addr-1].is_initialized;
}
uint8_t const* tusbh_msc_get_vendor_name(uint8_t dev_addr)
@@ -95,12 +95,32 @@ tusb_error_t tusbh_msc_get_capacity(uint8_t dev_addr, uint32_t* p_last_lba, uint
return TUSB_ERROR_NONE;
}
tusb_interface_status_t tusbh_msc_status(uint8_t dev_addr)
{
if ( !tusbh_msc_is_mounted(dev_addr) ) return TUSB_INTERFACE_STATUS_INVALID_PARA;
if ( hcd_pipe_is_busy(msch_data[dev_addr-1].bulk_in) ) return TUSB_INTERFACE_STATUS_BUSY;
if ( hcd_pipe_is_stalled(msch_data[dev_addr-1].bulk_in) ) return TUSB_INTERFACE_STATUS_ERROR;
return TUSB_INTERFACE_STATUS_READY;
}
//--------------------------------------------------------------------+
// CLASS-USBH API (don't require to verify parameters)
//--------------------------------------------------------------------+
static tusb_error_t msch_command_xfer(msch_interface_t * p_msch, void* p_buffer) ATTR_WARN_UNUSED_RESULT;
static tusb_error_t msch_command_xfer(msch_interface_t * p_msch, void* p_buffer)
{
ASSERT_STATUS( hcd_pipe_xfer(p_msch->bulk_out, &p_msch->cbw, sizeof(msc_cmd_block_wrapper_t), false) );
ASSERT_STATUS( hcd_pipe_queue_xfer(p_msch->bulk_in , p_buffer, p_msch->cbw.xfer_bytes) );
ASSERT_STATUS( hcd_pipe_xfer(p_msch->bulk_in , &p_msch->csw, sizeof(msc_cmd_status_wrapper_t), true) );
return TUSB_ERROR_NONE;
}
static tusb_error_t scsi_command_send(msch_interface_t * p_msch, scsi_cmd_type_t cmd_code, uint8_t lun, uint8_t* p_data)
{
p_msch->cbw.signature = 0x43425355;
p_msch->cbw.signature = MSC_CBW_SIGNATURE;
p_msch->cbw.tag = 0xCAFECAFE;
p_msch->cbw.lun = lun;
@@ -113,7 +133,7 @@ static tusb_error_t scsi_command_send(msch_interface_t * p_msch, scsi_cmd_type_t
scsi_inquiry_t cmd_inquiry =
{
.cmd_code = SCSI_CMD_INQUIRY,
.cmd_code = cmd_code,
.alloc_length = sizeof(scsi_inquiry_data_t)
};
@@ -127,8 +147,8 @@ static tusb_error_t scsi_command_send(msch_interface_t * p_msch, scsi_cmd_type_t
scsi_read_capacity10_t cmd_read_capacity10 =
{
.cmd_code = SCSI_CMD_READ_CAPACITY_10,
.logical_block_addr = 0,
.cmd_code = cmd_code,
.lba = 0,
.partial_medium_indicator = 0
};
@@ -139,6 +159,7 @@ static tusb_error_t scsi_command_send(msch_interface_t * p_msch, scsi_cmd_type_t
break;
case SCSI_CMD_READ_10:
break;
case SCSI_CMD_WRITE_10:
@@ -151,7 +172,7 @@ static tusb_error_t scsi_command_send(msch_interface_t * p_msch, scsi_cmd_type_t
scsi_request_sense_t cmd_request_sense =
{
.cmd_code = SCSI_CMD_REQUEST_SENSE,
.cmd_code = cmd_code,
.alloc_length = 18
};
@@ -162,9 +183,36 @@ static tusb_error_t scsi_command_send(msch_interface_t * p_msch, scsi_cmd_type_t
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_queue_xfer(p_msch->bulk_in , p_data, p_msch->cbw.xfer_bytes) );
ASSERT_STATUS( hcd_pipe_xfer(p_msch->bulk_in , &p_msch->csw, sizeof(msc_cmd_status_wrapper_t), true) );
ASSERT_STATUS( msch_command_xfer(p_msch, p_data) );
return TUSB_ERROR_NONE;
}
tusb_error_t tusbh_msc_read10(uint8_t dev_addr, uint8_t lun, void * p_buffer, uint32_t lba, uint32_t block_count)
{
msch_interface_t* p_msch = &msch_data[dev_addr-1];
//------------- Command Block Wrapper -------------//
p_msch->cbw.signature = MSC_CBW_SIGNATURE;
p_msch->cbw.tag = 0xCAFECAFE;
p_msch->cbw.lun = lun;
p_msch->cbw.xfer_bytes = p_msch->block_size*block_count; // Number of bytes
p_msch->cbw.flags = TUSB_DIR_DEV_TO_HOST_MASK;
p_msch->cbw.cmd_len = sizeof(scsi_read10_t);
//------------- SCSI command -------------//
scsi_read10_t cmd_read10 =
{
.cmd_code = SCSI_CMD_READ_10,
.lba = __le2be(lba),
.block_count = ((uint8_t)block_count) << 8 // TODO a proper le to be for uint16_t
};
memcpy(p_msch->cbw.command, &cmd_read10, p_msch->cbw.cmd_len);
ASSERT_STATUS ( msch_command_xfer(p_msch, p_buffer));
return TUSB_ERROR_NONE;
}
void msch_init(void)
@@ -269,6 +317,7 @@ tusb_error_t msch_open_subtask(uint8_t dev_addr, tusb_descriptor_interface_t con
msch_data[dev_addr-1].last_lba = __be2le( ((scsi_read_capacity10_data_t*)msch_buffer)->last_lba );
msch_data[dev_addr-1].block_size = (uint16_t) __be2le( ((scsi_read_capacity10_data_t*)msch_buffer)->block_size );
msch_data[dev_addr-1].is_initialized = true;
tusbh_msc_mounted_cb(dev_addr);
OSAL_SUBTASK_END
@@ -280,7 +329,13 @@ void msch_isr(pipe_handle_t pipe_hdl, tusb_event_t event, uint32_t xferred_bytes
{
if ( pipehandle_is_equal(pipe_hdl, msch_data[pipe_hdl.dev_addr-1].bulk_in) )
{
osal_semaphore_post(msch_sem_hdl);
if (msch_data[pipe_hdl.dev_addr-1].is_initialized)
{
tusbh_msc_isr(pipe_hdl.dev_addr, event, xferred_bytes);
}else
{ // still initializing under open subtask
osal_semaphore_post(msch_sem_hdl);
}
}
}
@@ -291,6 +346,8 @@ void msch_close(uint8_t dev_addr)
memclr_(&msch_data[dev_addr-1], sizeof(msch_interface_t));
osal_semaphore_reset(msch_sem_hdl);
tusbh_msc_unmounted_isr(dev_addr); // invoke Application Callback
}
//--------------------------------------------------------------------+