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able to mount one device on the hub

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This commit is contained in:
hathach
2013-09-30 15:16:23 +07:00
parent cb600ed988
commit 3cc169f2fd
14 changed files with 439 additions and 92 deletions
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89
tinyusb/host/hub.c
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@@ -46,17 +46,104 @@
// INCLUDE
//--------------------------------------------------------------------+
#include "hub.h"
#include "usbh_hcd.h"
//--------------------------------------------------------------------+
// MACRO CONSTANT TYPEDEF
//--------------------------------------------------------------------+
typedef struct {
pipe_handle_t pipe_status;
uint8_t interface_number;
uint8_t port_number;
uint8_t status_change; // data from status change interrupt endpoint
}usbh_hub_t;
usbh_hub_t hub_data[TUSB_CFG_HOST_DEVICE_MAX] TUSB_CFG_ATTR_USBRAM;
descriptor_hub_desc_t hub_descriptor TUSB_CFG_ATTR_USBRAM;
//--------------------------------------------------------------------+
// INTERNAL OBJECT & FUNCTION DECLARATION
//--------------------------------------------------------------------+
//--------------------------------------------------------------------+
// IMPLEMENTATION
// CLASS-USBH API (don't require to verify parameters)
//--------------------------------------------------------------------+
void hub_init(void)
{
memclr_(hub_data, TUSB_CFG_HOST_DEVICE_MAX*sizeof(usbh_hub_t));
}
tusb_error_t hub_open_subtask(uint8_t dev_addr, tusb_descriptor_interface_t const *p_interface_desc, uint16_t *p_length)
{
tusb_error_t error;
OSAL_SUBTASK_BEGIN
// not support multiple TT yet
if ( p_interface_desc->bInterfaceProtocol > 1 ) return TUSB_ERROR_HUB_FEATURE_NOT_SUPPORTED;
//------------- Open Interrupt Status Pipe -------------//
tusb_descriptor_endpoint_t const *p_endpoint = (tusb_descriptor_endpoint_t const *) descriptor_next( (uint8_t const*) p_interface_desc );
SUBTASK_ASSERT(TUSB_DESC_TYPE_ENDPOINT == p_endpoint->bDescriptorType);
SUBTASK_ASSERT(TUSB_XFER_INTERRUPT == p_endpoint->bmAttributes.xfer);
hub_data[dev_addr-1].pipe_status = hcd_pipe_open(dev_addr, p_endpoint, TUSB_CLASS_HUB);
SUBTASK_ASSERT( pipehandle_is_valid(hub_data[dev_addr-1].pipe_status) );
hub_data[dev_addr-1].interface_number = p_interface_desc->bInterfaceNumber;
(*p_length) = sizeof(tusb_descriptor_interface_t) + sizeof(tusb_descriptor_endpoint_t);
//------------- Get Hub Descriptor -------------//
OSAL_SUBTASK_INVOKED_AND_WAIT(
usbh_control_xfer_subtask( dev_addr, bm_request_type(TUSB_DIR_DEV_TO_HOST, TUSB_REQUEST_TYPE_CLASS, TUSB_REQUEST_RECIPIENT_DEVICE),
HUB_REQUEST_GET_DESCRIPTOR, 0, 0,
9, &hub_descriptor ),
error
);
SUBTASK_ASSERT_STATUS(error);
hub_data[dev_addr-1].port_number = hub_descriptor.bNbrPorts; // only care about this field in hub descriptor
//------------- Set Port_Power on all ports -------------//
static uint8_t i;
for(i=1; i <= hub_data[dev_addr-1].port_number; i++)
{
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_OTHER),
HUB_REQUEST_SET_FEATURE, HUB_FEATURE_PORT_POWER, i,
0, NULL ),
error
);
}
//------------- Queue the initial Status endpoint transfer -------------//
SUBTASK_ASSERT_STATUS ( hcd_pipe_xfer(hub_data[dev_addr-1].pipe_status, &hub_data[dev_addr-1].status_change, 1, true) );
OSAL_SUBTASK_END
}
void hub_isr(pipe_handle_t pipe_hdl, tusb_event_t event, uint32_t xferred_bytes)
{
usbh_hub_t * p_hub = &hub_data[pipe_hdl.dev_addr-1];
for (uint8_t port=1; port <= p_hub->port_number; port++)
{ // TODO HUB ignore bit0 hub_status_change
if ( BIT_TEST_(p_hub->status_change, port) )
{
// TODO HUB connection/disconnection will be determined in enum task --> connect change
usbh_device_plugged_isr(usbh_devices[pipe_hdl.dev_addr].core_id, pipe_hdl.dev_addr, port);
}
}
// TODO queue next transfer
}
void hub_close(uint8_t dev_addr)
{
(void) hcd_pipe_close(hub_data[dev_addr-1].pipe_status);
memclr_(&hub_data[dev_addr-1], sizeof(usbh_hub_t));
}
#endif