void Main_Task (void)
{ /* Body */
USB_STATUS status = USB_OK;
/*----------------------------------------------------**
** Infinite loop, waiting for events requiring action **
**----------------------------------------------------*/
switch (mass_device.dev_state)
{
case USB_DEVICE_IDLE:
break;
case USB_DEVICE_ATTACHED:
printf( "Mass Storage Device Attached\n" );
mass_device.dev_state = USB_DEVICE_SET_INTERFACE_STARTED;
status = _usb_hostdev_select_interface(mass_device.dev_handle,
mass_device.intf_handle, (pointer)&mass_device.class_intf);
break;
case USB_DEVICE_SET_INTERFACE_STARTED:
break;
case USB_DEVICE_INTERFACED:
usb_host_mass_test_storage();
//mass_device.dev_state = USB_DEVICE_OTHER;
break;
case USB_DEVICE_DETACHED:
printf ( "\nMass Storage Device Detached\n" );
mass_device.dev_state = USB_DEVICE_IDLE;
break;
case USB_DEVICE_OTHER:
break;
default:
printf ( "Unknown Mass Storage Device State = %d\n",\
(int)mass_device.dev_state );
break;
} /* Endswitch */
} /* Endbody */
void Main_Task ( uint_32 param )
{ /* Body */
USB_STATUS status = USB_OK;
_int_disable();
_int_install_unexpected_isr();
status = _usb_host_driver_install(HOST_CONTROLLER_NUMBER, (pointer)&_bsp_usb_host_callback_table);
if (status) {
_int_enable();
printf("ERROR: %ls", status);
exit(1);
} /* Endif */
status = _usb_host_init
(HOST_CONTROLLER_NUMBER, /* Use value in header file */
MAX_FRAME_SIZE, /* Frame size per USB spec */
&host_handle); /* Returned pointer */
if (status != USB_OK) {
_int_enable();
printf("\nUSB Host Initialization failed. STATUS: %x", status);
fflush(stdout);
goto Error_Cleanup;
} /* Endif */
/*
** Since we are going to act as the host driver, register
** the driver information for wanted class/subclass/protocols
*/
status = _usb_host_driver_info_register(host_handle, DriverInfoTable);
if (status != USB_OK) {
_int_enable();
printf("\nDriver Registration failed. STATUS: %x", status);
fflush(stdout);
goto Error_Cleanup;
}
_int_enable();
pCmd = (COMMAND_OBJECT_PTR) USB_mem_alloc_zero(sizeof(COMMAND_OBJECT_STRUCT));
if (pCmd == NULL)
{
printf ("\nUnable to allocate Command Object");
fflush (stdout);
goto Error_Cleanup;
}
pCmd->CBW_PTR = (CBW_STRUCT_PTR) USB_mem_alloc_zero(sizeof(CBW_STRUCT));
if (pCmd->CBW_PTR == NULL)
{
printf ("\nUnable to allocate Command Block Wrapper");
fflush (stdout);
goto Error_Cleanup;
}
pCmd->CSW_PTR = (CSW_STRUCT_PTR) USB_mem_alloc_zero(sizeof(CSW_STRUCT));
if (pCmd->CSW_PTR == NULL)
{
printf ("\nUnable to allocate Command Status Wrapper");
fflush (stdout);
goto Error_Cleanup;
}
buff_in = (uchar_ptr)USB_mem_alloc_uncached(0x400C);
if (buff_in == NULL)
{
printf ("\nUnable to allocate Input Buffer");
fflush (stdout);
goto Error_Cleanup;
}
_mem_zero(buff_in, 0x400C);
buff_out = (uchar_ptr) USB_mem_alloc_uncached(0x0F);
if (buff_out == NULL)
{
printf ("\nUnable to allocate Output Buffer");
fflush (stdout);
goto Error_Cleanup;
}
_mem_zero(buff_out, 0x0F);
printf("\nPlease insert Mass Storage Device.\n");
/*----------------------------------------------------**
** Infinite loop, waiting for events requiring action **
**----------------------------------------------------*/
for ( ; ; ) {
switch ( mass_device.dev_state ) {
case USB_DEVICE_IDLE:
break ;
case USB_DEVICE_ATTACHED:
printf( "Mass Storage Device Attached\n" );
fflush(stdout);
mass_device.dev_state = USB_DEVICE_SET_INTERFACE_STARTED;
status = _usb_hostdev_select_interface(mass_device.dev_handle,
mass_device.intf_handle, (pointer)&mass_device.class_intf);
break ;
case USB_DEVICE_SET_INTERFACE_STARTED:
break;
case USB_DEVICE_INTERFACED:
usb_host_mass_test_storage();
mass_device.dev_state = USB_DEVICE_OTHER;
break ;
case USB_DEVICE_DETACHED:
printf ( "\nMass Storage Device Detached\n" );
fflush(stdout);
mass_device.dev_state = USB_DEVICE_IDLE;
break;
case USB_DEVICE_OTHER:
break ;
default:
printf ( "Unknown Mass Storage Device State = %d\n",\
mass_device.dev_state );
fflush(stdout);
break ;
} /* Endswitch */
} /* Endfor */
Error_Cleanup:
{
if (pCmd != NULL)
{
if (pCmd->CSW_PTR != NULL)
{
USB_mem_free(pCmd->CSW_PTR);
}
if (pCmd->CBW_PTR != NULL)
{
USB_mem_free(pCmd->CBW_PTR);
}
USB_mem_free(pCmd);
}
if (buff_in != NULL)
{
USB_mem_free(buff_in);
}
if (buff_out != NULL)
{
USB_mem_free(buff_out);
}
if (host_handle != NULL)
{
_usb_host_shutdown (host_handle);
}
}
} /* Endbody */
