1. TM Freescale, the Freescale logo, AltiVec, C-5, CodeTest, CodeWarrior, ColdFire, C-Ware, mobileGT, PowerQUICC, StarCore, and Symphony are trademarks of Freescale Semiconductor, Inc., Reg. U.S. Pat. & Tm. Off. BeeKit, BeeStack, CoreNet, the Energy Efficient Solutions Logo, Flexis, MXC, Platform in a Package, Processor Expert, QorIQ, QUICC Engine, SmartMOS, TurboLink and VortiQa are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2010. Rapid Prototyping Solutions USB and MFS Stacks

2. TM Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2009. 2 Module Objectives ► This session describes the USB capabilities that are available when using MQX ► Describes how the MQX File System stack can interact with a USB stack ► Presents a hands-on lab with writing data to a USB Flash Stick

3. TM Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2009. 3 Module Agenda ► USB Host ► USB Device ► MFS ► USB and File System Lab

4. TM Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2009. 4 Module Agenda ► USB Host ► USB Device ► MFS ► USB and File System Lab

5. TM Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2009. MQX Host USB ► Implements USB 2.0 version ► Layered architecture scalability (choose only components needed in application) portability (class drivers independent on underlying hardware) ► Class drivers supported: HID devices (mouse, keyboard) MSD devices (flash disk) HUB support (transparent communication through HUB) CDC devices (serial communication)

6. TM Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2009. Demo Applications Available ► Mouse ► Keyboard ► Mass Storage Device ► CDC Serial ► Found in \usb\host\examples

7. TM Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2009. MSDHIDCDC MQX USB Host Structure USB Module (low-level drivers) KHCI (Kirin2U/Kirin3- specific controller) EHCI (Enhanced Host Controller Interface) Other (OHCI,...) User Application OS and HW-level HOST API USB 2.0 Chapter 9 API HOST API (class level) HUB Hardware Independent Layer Host Class Drivers Intermediate I/O Drivers MFS Other to be developed

8. TM Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2009. 8 Module Agenda ► USB Host ► USB Device ► MFS ► USB and File System Lab

9. TM Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2009. Stack Features ► All USB-IF chapter 9 compliance ► USB Class Support Human Interface Device (HID) Communication Data Class – Abstract Control Model (CDC – ACM) PHDC (Personal Health Care Device Class) MSD (Mass Storage Support)

10. TM Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2009. Demo Applications available ► Mouse ► USB to Serial ► USB Network Adapter ► Weigh Scale (IEEE 11073 – 20601, IEEE 11073 - 10415) ► RAM Disk ► Found in \usb\device\examples

11. TM Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2009. Architecture Overview Mouse Device Layer MedicalCommun-icationStorage HIDPHDCCDCMSD mcf5229xmcf54455 Low level driver - - - - - V2 USB IP V4 USB IP USB IP - - - - - Class API Device API Controller API HW Register IF USB Device Stack Library Applications

12. TM Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2009. Device Layers Device Layer Application Class Low level driver USB Hardware - USB Descriptors, endpoint information - USB Application implementing class specific callbacks - USB Class API user - USB Framework Module implementation (USB Ch9, Control Endpoint …) - USB generic class implementation (Suspend/Resume/Reset ….) - USB function specific implementation (Non Control Endpoint Request, Class specific Request) - USB Device API user - Abstracts Hardware specific details and provides generic USB interfaces to the upper layer - Allows easy port of Applications/Class functionality over different USB IPs - USB Controller IP interfacing module. - candidate to change for every new USB IP

13. TM Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2009. 13 Module Agenda ► USB Host ► USB Device ► MFS ► USB and File System Lab

14. TM Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2009. 14 MFS structure Device Partition manager (optional) MFS Files and directories Hardware Flash cards USB mass storage devices ATA PCMCIA Removable hard drives

15. TM Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2009. 15 MFS Features ► Standard FAT12, FAT16 and FAT32 support ► Standard handling of directory paths Both \ and / can be used as directory separators Support for * and ? wildcard characters ► File Attributes Supported Standard: Directory, Read-only, Hidden File, System file, Archived file Special: Volume Label file (only one such file allowed in root directory) ► File Time and Date Each file entry contains 16-bit time and date fields. ► FAT Copies MFS updates as many FATs as configured for. Only reads the first FAT. ► High-Level Formatting An application can perform high-level formatting on a disk by calling ioctl(). ► Partition Manager Support for multiple partitions on one physical drive

16. TM Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2009. 16 Device ► Devices usable by MFS MFS can be installed on any memory-oriented device which  is standard MQX IO device in terms of open/close/read/write/ioctl calls  is able to “seek” on any given position  supports few block-oriented IOCTL Devices supported today  ATA PC Card flash cards  USB mass storage devices  RAM or MRAM  FlashX driver working with internal or external Flash memory  SPI-based SD Cards Code under development (or legacy not-tested code)  ATA hard drives  floppy-disk drives

17. TM Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2009. 17 MFS – API ► Basic MFS API  _io_mfs_install - initializes MFS and allocates memory for all of the internal MFS data structures.  _io_mfs_uninstall - uninstalls the MFS device driver and frees the memory context.  fopen - Opens the device by specifying device name or opens a file if both device name and file path is specified. fd_ptr = fopen(“mfsram:\data\march\March2000results.data ”, “w”);  fclose – Closes the file and frees the memory allocated by given FILE_PTR  ioctl – File- or device-specific control interface.

18. TM Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2009. 18 Module Agenda ► USB Host ► USB Device ► MFS ► USB and File System Lab

19. TM Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2009. Hands-On ► Follow the USB Lab document to read and write to a USB flash drive

20. TM Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2009. 20 Summary ► Learned about the USB capabilities that are available when using MQX ► Described how the MQX File System stack can interact with a USB stack ► Performed a hands-on lab with writing data to an USB Flash Stick

21. TM