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refractor hub

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This commit is contained in:
hathach
2013-09-30 16:13:08 +07:00
parent 821f85cb20
commit 5fb22e3f34
4 changed files with 71 additions and 47 deletions
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56
tinyusb/host/hub.c
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@@ -64,6 +64,40 @@ uint8_t hub_enum_buffer[sizeof(descriptor_hub_desc_t)] TUSB_CFG_ATTR_USBRAM;
//--------------------------------------------------------------------+
// HUB
//--------------------------------------------------------------------+
tusb_error_t hub_port_clear_feature_subtask(uint8_t feature)
{
tusb_error_t error;
OSAL_SUBTASK_BEGIN
SUBTASK_ASSERT(HUB_FEATURE_PORT_CONNECTION_CHANGE <= feature &&
feature <= HUB_FEATURE_PORT_RESET_CHANGE);
//------------- Clear Port Feature request -------------//
OSAL_SUBTASK_INVOKED_AND_WAIT(
usbh_control_xfer_subtask( usbh_devices[0].hub_addr, bm_request_type(TUSB_DIR_HOST_TO_DEV, TUSB_REQUEST_TYPE_CLASS, TUSB_REQUEST_RECIPIENT_OTHER),
HUB_REQUEST_CLEAR_FEATURE, feature, usbh_devices[0].hub_port,
0, NULL ),
error
);
SUBTASK_ASSERT_STATUS( error );
//------------- Get Port Status to check if feature is cleared -------------//
OSAL_SUBTASK_INVOKED_AND_WAIT(
usbh_control_xfer_subtask( usbh_devices[0].hub_addr, bm_request_type(TUSB_DIR_DEV_TO_HOST, TUSB_REQUEST_TYPE_CLASS, TUSB_REQUEST_RECIPIENT_OTHER),
HUB_REQUEST_GET_STATUS, 0, usbh_devices[0].hub_port,
4, hub_enum_buffer ),
error
);
SUBTASK_ASSERT_STATUS( error );
//------------- Check if feature is cleared -------------//
hub_port_status_response_t * p_port_status = (hub_port_status_response_t *) hub_enum_buffer;
SUBTASK_ASSERT( !BIT_TEST_(p_port_status->status_change.value, feature-16) );
OSAL_SUBTASK_END
}
tusb_error_t hub_enumerate_subtask(void)
{
tusb_error_t error;
@@ -90,28 +124,10 @@ tusb_error_t hub_enumerate_subtask(void)
SUBTASK_EXIT(TUSB_ERROR_NONE);
}
// Hub connection
//------------- Clear Hub Port Connect Status Change -------------//
OSAL_SUBTASK_INVOKED_AND_WAIT(
usbh_control_xfer_subtask( usbh_devices[0].hub_addr, bm_request_type(TUSB_DIR_HOST_TO_DEV, TUSB_REQUEST_TYPE_CLASS, TUSB_REQUEST_RECIPIENT_OTHER),
HUB_REQUEST_CLEAR_FEATURE, HUB_FEATURE_PORT_CONNECTION_CHANGE, usbh_devices[0].hub_port,
0, NULL ),
error
);
// Acknowledge Port Connection Change
OSAL_SUBTASK_INVOKED_AND_WAIT( hub_port_clear_feature_subtask(HUB_FEATURE_PORT_CONNECTION_CHANGE), error );
SUBTASK_ASSERT_STATUS( error );
//------------- Get Port Status again to make sure Connect Change is cleared -------------//
OSAL_SUBTASK_INVOKED_AND_WAIT(
usbh_control_xfer_subtask( usbh_devices[0].hub_addr, bm_request_type(TUSB_DIR_DEV_TO_HOST, TUSB_REQUEST_TYPE_CLASS, TUSB_REQUEST_RECIPIENT_OTHER),
HUB_REQUEST_GET_STATUS, 0, usbh_devices[0].hub_port,
4, hub_enum_buffer ),
error
);
SUBTASK_ASSERT_STATUS( error );
p_port_status = (hub_port_status_response_t *) hub_enum_buffer;
SUBTASK_ASSERT( !p_port_status->status_change.connect_status); // this has to be cleared
//--------------------------------------------------------------------+
// PORT RESET & WAIT FOR STATUS ENDPOINT & GET STATUS & CLEAR RESET CHANGE
//--------------------------------------------------------------------+