/*************************************************************************//*!
*
* @name USB_Cdc_Ep_Mutex_Lock
*
* @brief The function locks the mutex for RTOS. For BM, disable interrupt.
*
* @param none.
* @return none.
*
*****************************************************************************/
void USB_Cdc_Ep_Mutex_Lock(cdc_device_struct_t * cdc_obj_ptr, uint32_t ep_num)
{
uint8_t index, type, direction;
index = USB_Map_Ep_To_Struct_Index(cdc_obj_ptr, ep_num);
type = cdc_obj_ptr->ep[index].type;
direction = cdc_obj_ptr->ep[index].direction;
#if (((OS_ADAPTER_ACTIVE_OS == OS_ADAPTER_SDK) && (USE_RTOS)))
switch(type)
{
case USB_BULK_PIPE:
if(direction == USB_SEND)
{
OS_Mutex_lock(cdc_obj_ptr->send_mutex);
}
else if(direction == USB_RECV)
{
OS_Mutex_lock(cdc_obj_ptr->recv_mutex);
}
break;
case USB_INTERRUPT_PIPE:
break;
default:
break;
}
#else
OS_Lock();
#endif
}
/*FUNCTION*----------------------------------------------------------------
*
* Function Name : usb_device_set_status
* Returned Value : USB_OK or error code
* Comments :
* Provides API to set internal state
*
*END*--------------------------------------------------------------------*/
usb_status _usb_device_set_status
(
/* [IN] Handle to the usb device */
usb_device_handle handle,
/* [IN] What to set the error of */
uint8_t component,
/* [IN] What to set the error to */
uint16_t setting
)
{
usb_dev_state_struct_t* usb_dev_ptr;
uint8_t error = USB_OK;
usb_dev_ptr = (usb_dev_state_struct_t*)handle;
OS_Mutex_lock(usb_dev_ptr->mutex);
if (((usb_dev_interface_functions_struct_t*)
usb_dev_ptr->usb_dev_interface)->dev_set_device_status != NULL)
{
((usb_dev_interface_functions_struct_t*)
usb_dev_ptr->usb_dev_interface)->dev_set_device_status(usb_dev_ptr->controller_handle,
(uint8_t)(component),setting);
}
else
{
#if _DEBUG
printf("usb_device_set_status: dev_set_device_status is NULL\n");
#endif
OS_Mutex_unlock(usb_dev_ptr->mutex);
return USBERR_ERROR;
}
OS_Mutex_unlock(usb_dev_ptr->mutex);
return error;
} /* EndBody */
/*************************************************************************//*!
*
* @name USB_Cdc_Mutex_Lock
*
* @brief The function locks the mutex for RTOS. For BM, disable interrupt.
*
* @param none.
* @return none.
*
*****************************************************************************/
void USB_Cdc_Mutex_Lock(os_mutex_handle handle)
{
#if (((OS_ADAPTER_ACTIVE_OS == OS_ADAPTER_SDK) && (USE_RTOS)))
OS_Mutex_lock(handle);
#else
OS_Lock();
#endif
}
/*FUNCTION*----------------------------------------------------------------
*
* Function Name : usb_device_call_service
* Returned Value : USB_OK or error code
* Comments :
* Calls the appropriate service for the specified type, if one is
* registered. Used internally only.
*
*END*--------------------------------------------------------------------*/
usb_status _usb_device_call_service_internal
(
/* [IN] pointer to usb device status structure */
usb_dev_state_struct_t* usb_dev_ptr,
/* [IN] pointer to event structure */
usb_event_struct_t* event
)
{
service_struct_t* service_ptr = NULL;
uint32_t i;
/* Needs mutual exclusion */
OS_Mutex_lock(usb_dev_ptr->mutex);
switch (event->type)
{
case USB_SERVICE_EP0:
USB_Control_Service(&usb_dev_ptr->usb_framework, event, service_ptr->arg);
break;
case USB_SERVICE_BUS_RESET:
USB_Reset_Service(&usb_dev_ptr->usb_framework, event, service_ptr->arg);
break;
#if USBCFG_DEV_ADVANCED_SUSPEND_RESUME
case USB_SERVICE_SUSPEND:
USB_Suspend_Service(&usb_dev_ptr->usb_framework, event, service_ptr->arg);
break;
case USB_SERVICE_RESUME:
USB_Resume_Service(&usb_dev_ptr->usb_framework, event, service_ptr->arg);
break;
#endif
#if USBCFG_DEV_KHCI_ADVANCED_ERROR_HANDLING
case USB_SERVICE_ERROR:
USB_Error_Service(&usb_dev_ptr->usb_framework, event, service_ptr->arg);
break;
#endif
default:
break;
} /* Endswitch */
/* Search for an existing entry for type */
for (i = 0; i < MAX_DEVICE_SERVICE_NUMBER; i++)
{
service_ptr = &usb_dev_ptr->services[i];
if (service_ptr->type == event->type)
{
if((event->direction == USB_RECV) && (event->buffer_ptr != NULL))
OS_dcache_invalidate_mlines((void*)event->buffer_ptr,event->len);
service_ptr->service(event,service_ptr->arg);
OS_Mutex_unlock(usb_dev_ptr->mutex);
return USB_OK;
}
}
OS_Mutex_unlock(usb_dev_ptr->mutex);
return USBERR_CLOSED_SERVICE;
} /* EndBody */
/*FUNCTION*----------------------------------------------------------------
*
* Function Name : usb_device_get_status
* Returned Value : USB_OK or error code
* Comments :
* Provides API to access the USB internal state.
*
*END*--------------------------------------------------------------------*/
usb_status _usb_device_get_status
(
/* [IN] Handle to the USB device */
usb_device_handle handle,
/* [IN] What to get the error of */
uint8_t component,
/* [OUT] The requested error */
uint16_t* error
)
{ /* Body */
usb_dev_state_struct_t* usb_dev_ptr;
usb_dev_ptr = (usb_dev_state_struct_t*)handle;
OS_Mutex_lock(usb_dev_ptr->mutex);
if (component & USB_STATUS_ENDPOINT)
{
if (((usb_dev_interface_functions_struct_t*)
usb_dev_ptr->usb_dev_interface)->dev_get_endpoint_status != NULL)
{
((usb_dev_interface_functions_struct_t*)
usb_dev_ptr->usb_dev_interface)->dev_get_endpoint_status(usb_dev_ptr->controller_handle,
(uint8_t)(component),error);
}
else
{
#if _DEBUG
printf("usb_device_get_status: DEV_GET_ENDPOINT_STATUS is NULL\n");
#endif
OS_Mutex_unlock(usb_dev_ptr->mutex);
return USBERR_ERROR;
}
}
else
{
if (((usb_dev_interface_functions_struct_t*)
usb_dev_ptr->usb_dev_interface)->dev_get_device_status != NULL)
{
((usb_dev_interface_functions_struct_t*)
usb_dev_ptr->usb_dev_interface)->dev_get_device_status(usb_dev_ptr->controller_handle,
(uint8_t)(component),error);
}
else
{
#if _DEBUG
printf("usb_device_get_status: DEV_GET_DEVICE_STATUS is NULL\n");
#endif
OS_Mutex_unlock(usb_dev_ptr->mutex);
return USBERR_ERROR;
}
}
OS_Mutex_unlock(usb_dev_ptr->mutex);
return USB_OK;
}
/*FUNCTION*----------------------------------------------------------------
*
* Function Name : usb_device_register_service
* Returned Value : USB_OK or error code
* Comments :
* Registers a callback routine for a specified event or endpoint.
*
*END*--------------------------------------------------------------------*/
usb_status usb_device_register_service
(
/* [IN] Handle to the USB device */
usb_device_handle handle,
/* [IN] type of event or endpoint number to service */
uint8_t type,
/* [IN] Pointer to the service's callback function */
usb_event_service_t service,
/*[IN] User Argument to be passed to Services when invoked.*/
void* arg
)
{
usb_dev_state_struct_t* usb_dev_ptr;
service_struct_t* service_ptr;
uint32_t i;
if (handle == NULL)
{
return USBERR_ERROR;
}
usb_dev_ptr = (usb_dev_state_struct_t*)handle;
OS_Mutex_lock(usb_dev_ptr->mutex);
for (i = 0; i < MAX_DEVICE_SERVICE_NUMBER; i++)
{
service_ptr = &usb_dev_ptr->services[i];
if (service_ptr->type == type)
{
OS_Mutex_unlock(usb_dev_ptr->mutex);
return USBERR_OPEN_SERVICE;
}
}
for (i = 0; i < MAX_DEVICE_SERVICE_NUMBER; i++)
{
service_ptr = &usb_dev_ptr->services[i];
if (service_ptr->type == (uint8_t)-1)
{
service_ptr->type = type;
service_ptr->service = service;
service_ptr->arg = arg;
OS_Mutex_unlock(usb_dev_ptr->mutex);
return USB_OK;
}
}
OS_Mutex_unlock(usb_dev_ptr->mutex);
return USBERR_ALLOC;
} /* EndBody */
/*FUNCTION*-------------------------------------------------------------
*
* Function Name : usb_device_cancel_transfer
* Returned Value : USB_OK or error code
* Comments :
* returns the status of the transaction on the specified endpoint.
*
*END*-----------------------------------------------------------------*/
usb_status usb_device_cancel_transfer
(
/* [IN] the USB_USB_dev_initialize state structure */
usb_device_handle handle,
/* [IN] the Endpoint number */
uint8_t ep_num,
/* [IN] direction */
uint8_t direction
)
{
uint8_t error = USB_OK;
usb_dev_state_struct_t* usb_dev_ptr;
if (handle == NULL)
{
#if _DEBUG
printf("_usb_device_shutdowna: handle is NULL\n");
#endif
return USBERR_ERROR;
}
usb_dev_ptr = (usb_dev_state_struct_t*)handle;
OS_Mutex_lock(usb_dev_ptr->mutex);
/* Cancel transfer on the specified endpoint for the specified
** direction
*/
if (((usb_dev_interface_functions_struct_t*)
usb_dev_ptr->usb_dev_interface)->dev_cancel_transfer != NULL)
{
error = ((usb_dev_interface_functions_struct_t*)
usb_dev_ptr->usb_dev_interface)->dev_cancel_transfer(usb_dev_ptr->controller_handle,
ep_num, direction);
}
else
{
#if _DEBUG
printf("usb_device_cancel_transfer: dev_cancel_transfer is NULL\n");
#endif
return USBERR_ERROR;
}
OS_Mutex_unlock(usb_dev_ptr->mutex);
return error;
}
/*FUNCTION*-------------------------------------------------------------
*
* Function Name : usb_device_deinit_endpoint
* Returned Value : USB_OK or error code
* Comments :
* Disables the endpoint and the data structures associated with the
* endpoint
*
*END*-----------------------------------------------------------------*/
usb_status usb_device_deinit_endpoint
(
/* [IN] the USB_USB_dev_initialize state structure */
usb_device_handle handle,
/* [IN] the Endpoint number */
uint8_t ep_num,
/* [IN] Direction */
uint8_t direction
)
{
uint8_t error = 0;
usb_dev_state_struct_t* usb_dev_ptr;
if (handle == NULL)
{
return USBERR_ERROR;
}
usb_dev_ptr = (usb_dev_state_struct_t*)handle;
OS_Mutex_lock(usb_dev_ptr->mutex);
if (((usb_dev_interface_functions_struct_t*)
usb_dev_ptr->usb_dev_interface)->dev_deinit_endoint != NULL)
{
error = ((usb_dev_interface_functions_struct_t*)
usb_dev_ptr->usb_dev_interface)->dev_deinit_endoint(usb_dev_ptr->controller_handle,
ep_num, direction);
}
else
{
#if _DEBUG
printf("usb_device_deinit_endpoint: DEV_DEINIT_ENDPOINT is NULL\n");
#endif
return USBERR_ERROR;
}
OS_Mutex_unlock(usb_dev_ptr->mutex);
return error;
}
/*FUNCTION*-------------------------------------------------------------
*
* Function Name : usb_device_unstall_endpoint
* Returned Value : USB_OK or error code
* Comments :
* Unstalls the endpoint in specified direction
*
*END*-----------------------------------------------------------------*/
usb_status usb_device_unstall_endpoint
(
/* [IN] the USB_USB_dev_initialize state structure */
usb_device_handle handle,
/* [IN] the Endpoint number */
uint8_t ep_num,
/* [IN] direction */
uint8_t direction
)
{
usb_status error = USB_OK;
usb_dev_state_struct_t* usb_dev_ptr;
if (handle == NULL)
{
#if _DEBUG
printf("usb_device_unstall_endpoint: handle is NULL\n");
#endif
return USBERR_ERROR;
}
usb_dev_ptr = (usb_dev_state_struct_t*)handle;
OS_Mutex_lock(usb_dev_ptr->mutex);
if (((usb_dev_interface_functions_struct_t*)\
usb_dev_ptr->usb_dev_interface)->dev_unstall_endpoint != NULL)
{
error= ((usb_dev_interface_functions_struct_t*)\
usb_dev_ptr->usb_dev_interface)->dev_unstall_endpoint(usb_dev_ptr->controller_handle, ep_num, direction);
}
else
{
return USBERR_ERROR;
}
OS_Mutex_unlock(usb_dev_ptr->mutex);
return error;
} /* EndBody */
/*FUNCTION*----------------------------------------------------------------
*
* Function Name : usb_device_unregister_service
* Returned Value : USB_OK or error code
* Comments :
* Unregisters a callback routine for a specified event or endpoint.
*
*END*--------------------------------------------------------------------*/
usb_status usb_device_unregister_service
(
/* [IN] Handle to the USB device */
usb_device_handle handle,
/* [IN] type of event or endpoint number to service */
uint8_t type
)
{ /* Body */
usb_dev_state_struct_t* usb_dev_ptr;
service_struct_t* service_ptr;
uint32_t i;
if (handle == NULL)
{
return USBERR_ERROR;
}
usb_dev_ptr = (usb_dev_state_struct_t*)handle;
/* Needs mutual exclusion */
OS_Mutex_lock(usb_dev_ptr->mutex);
for (i = 0; i < MAX_DEVICE_SERVICE_NUMBER; i++)
{
service_ptr = &usb_dev_ptr->services[i];
if (service_ptr->type == type)
{
service_ptr->type = (uint8_t)-1;
service_ptr->service = NULL;
service_ptr->arg = NULL;
OS_Mutex_unlock(usb_dev_ptr->mutex);
return USB_OK;
}
}
OS_Mutex_unlock(usb_dev_ptr->mutex);
return USBERR_CLOSED_SERVICE;
} /* EndBody */
/*FUNCTION*-------------------------------------------------------------
*
* Function Name : usb_device_recv_data
* Returned Value : USB_OK or error code
* Comments :
* Receives data on a specified endpoint.
*
*END*-----------------------------------------------------------------*/
usb_status usb_device_recv_data
(
/* [IN] the USB_USB_dev_initialize state structure */
usb_device_handle handle,
/* [IN] the Endpoint number */
uint8_t ep_num,
/* [IN] buffer to receive data */
uint8_t * buff_ptr,
/* [IN] length of the transfer */
uint32_t size
)
{
usb_status error = USB_OK;
xd_struct_t* xd_ptr;
usb_dev_state_struct_t* usb_dev_ptr;
if (handle == NULL)
{
return USBERR_ERROR;
}
usb_dev_ptr = (usb_dev_state_struct_t*)handle;
if (((usb_dev_interface_functions_struct_t*)\
usb_dev_ptr->usb_dev_interface)->dev_get_xd != NULL)
{
error = ((usb_dev_interface_functions_struct_t*)\
usb_dev_ptr->usb_dev_interface)->dev_get_xd(usb_dev_ptr->controller_handle, &xd_ptr);
}
else
{
#if _DEBUG
printf("usb_device_recv_data: DEV_GET_XD is NULL\n");
#endif
return USBERR_ERROR;
}
OS_Mutex_lock(usb_dev_ptr->mutex);
/* Initialize the new transfer descriptor */
xd_ptr->ep_num = ep_num;
xd_ptr->bdirection = USB_RECV;
xd_ptr->wtotallength = size;
xd_ptr->wstartaddress = buff_ptr;
xd_ptr->wsofar = 0;
xd_ptr->bstatus = USB_STATUS_TRANSFER_ACCEPTED;
if (((usb_dev_interface_functions_struct_t*)\
usb_dev_ptr->usb_dev_interface)->dev_recv != NULL)
{
error = ((usb_dev_interface_functions_struct_t*)\
usb_dev_ptr->usb_dev_interface)->dev_recv(usb_dev_ptr->controller_handle, xd_ptr);
}
else
{
#if _DEBUG
printf("usb_device_recv_data: DEV_RECV is NULL\n");
#endif
return USBERR_ERROR;
}
OS_Mutex_unlock(usb_dev_ptr->mutex);
if (error)
{
return USBERR_RX_FAILED;
} /* Endif */
return error;
} /* EndBody */
/*FUNCTION*-------------------------------------------------------------
*
* Function Name : usb_device_send_data
* Returned Value : USB_OK or error code
* Comments :
* Sends data on a specified endpoint.
*
*END*-----------------------------------------------------------------*/
usb_status usb_device_send_data
(
/* [IN] the USB_USB_dev_initialize state structure */
usb_device_handle handle,
/* [IN] the Endpoint number */
uint8_t ep_num,
/* [IN] buffer to send */
uint8_t * buff_ptr,
/* [IN] length of the transfer */
uint32_t size
)
{ /* Body */
usb_status error;
xd_struct_t* xd_ptr;
usb_dev_state_struct_t* usb_dev_ptr;
if (handle == NULL)
{
#if _DEBUG
printf("usb_device_send_data: handle is NULL\n");
#endif
return USBERR_ERROR;
}
usb_dev_ptr = (usb_dev_state_struct_t*)handle;
/********************************************************
If system has a data cache, it is assumed that buffer
passed to this routine will be aligned on a cache line
boundry. The following code will flush the
buffer before passing it to hardware driver.
********************************************************/
OS_dcache_flush_mlines((void*)buff_ptr,size);
if (((usb_dev_interface_functions_struct_t*)\
usb_dev_ptr->usb_dev_interface)->dev_get_xd != NULL)
{
error = ((usb_dev_interface_functions_struct_t*)\
usb_dev_ptr->usb_dev_interface)->dev_get_xd(usb_dev_ptr->controller_handle, &xd_ptr);
}
else
{
#if _DEBUG
printf("usb_device_send_data: DEV_GET_XD is NULL\n");
#endif
return USBERR_ERROR;
}
OS_Mutex_lock(usb_dev_ptr->mutex);
/* Initialize the new transfer descriptor */
xd_ptr->ep_num = ep_num;
xd_ptr->bdirection = USB_SEND;
xd_ptr->wtotallength = size;
xd_ptr->wstartaddress = buff_ptr;
xd_ptr->wsofar = 0;
xd_ptr->bstatus = USB_STATUS_TRANSFER_ACCEPTED;
if (((usb_dev_interface_functions_struct_t*)\
usb_dev_ptr->usb_dev_interface)->dev_send != NULL)
{
error = ((usb_dev_interface_functions_struct_t*)\
usb_dev_ptr->usb_dev_interface)->dev_send(usb_dev_ptr->controller_handle, xd_ptr);
}
else
{
#if _DEBUG
printf("usb_device_send_data: DEV_SEND is NULL\n");
#endif
return USBERR_ERROR;
}
OS_Mutex_unlock(usb_dev_ptr->mutex);
if (error)
{
#if _DEBUG
printf("usb_device_send_data, transfer failed\n");
#endif
return USBERR_TX_FAILED;
}
return error;
}