/**
* This function will write data to usb adk device
*
* @param intf the interface instance.
*
* @return the error code, RT_EOK on successfully.
*/
static rt_size_t rt_usbh_adk_write (rt_device_t device, rt_off_t pos, const void* buffer,
rt_size_t size)
{
uadk_t adk;
rt_size_t length;
struct uintf* intf;
RT_ASSERT(buffer != RT_NULL);
intf = (struct uintf*)device->user_data;
adk = (uadk_t)intf->user_data;
length = rt_usb_hcd_bulk_xfer(intf->device->hcd, adk->pipe_out,
(void*)buffer, size, 300);
return length;
}
/**
* This function will write data to usb adk device
*
* @param ifinst the interface instance.
*
* @return the error code, RT_EOK on successfully.
*/
static rt_size_t rt_usb_adk_write (rt_device_t device, rt_off_t pos, const void* buffer,
rt_size_t size)
{
uadkinst_t adkinst;
rt_size_t length;
uifinst_t ifinst;
RT_ASSERT(buffer != RT_NULL);
ifinst = (uifinst_t)device->user_data;
adkinst = (uadkinst_t)ifinst->user_data;
length = rt_usb_hcd_bulk_xfer(ifinst->uinst->hcd, adkinst->pipe_out,
(void*)buffer, size, 300);
return length;
}
/**
* This function will read data from usb adk device
*
* @param intf the interface instance.
*
* @return the error code, RT_EOK on successfully.
*/
static rt_size_t rt_usbh_adk_read(rt_device_t device, rt_off_t pos, void* buffer,
rt_size_t size)
{
uadk_t adk;
rt_size_t length;
struct uintf* intf;
/* check parameter */
RT_ASSERT(device != RT_NULL);
RT_ASSERT(buffer != RT_NULL);
intf = (struct uintf*)device->user_data;
adk = (uadk_t)intf->user_data;
length = rt_usb_hcd_bulk_xfer(intf->device->hcd, adk->pipe_in,
buffer, size, 300);
return length;
}
/**
* This function will read data from usb adk device
*
* @param ifinst the interface instance.
*
* @return the error code, RT_EOK on successfully.
*/
static rt_size_t rt_usb_adk_read(rt_device_t device, rt_off_t pos, void* buffer,
rt_size_t size)
{
uadkinst_t adkinst;
rt_size_t length;
uifinst_t ifinst;
/* check parameter */
RT_ASSERT(device != RT_NULL);
RT_ASSERT(buffer != RT_NULL);
ifinst = (uifinst_t)device->user_data;
adkinst = (uadkinst_t)ifinst->user_data;
length = rt_usb_hcd_bulk_xfer(ifinst->uinst->hcd, adkinst->pipe_in,
buffer, size, 300);
return length;
}