Renesas Electronics America Inc. © 2010 Renesas Electronics America Inc. All rights reserved. ID A10L:A Flexible Flash Rewrite Application Brandon Hussey Applications Engineer Version: October 2010

2 © 2010 Renesas Electronics America Inc. All rights reserved. Brandon Hussey Applications Engineer RX support – Flash API & FlashLoader RPDL & PDG Compiler License Support PREVIOUS EXPERIENCE: Interned at Renesas for 3 years Joined on full-time after graduation I hold an MSCPE from North Carolina State University

3 © 2010 Renesas Electronics America Inc. All rights reserved. Renesas Technology and Solution Portfolio Microcontrollers & Microprocessors #1 Market share worldwide * Analog and Power Devices #1 Market share in low-voltage MOSFET** Solutions for Innovation ASIC, ASSP & Memory Advanced and proven technologies * MCU: 31% revenue basis from Gartner "Semiconductor Applications Worldwide Annual Market Share: Database" 25 March 2010 **Power MOSFET: 17.1% on unit basis from Marketing Eye 2009 (17.1% on unit basis).

4 © 2010 Renesas Electronics America Inc. All rights reserved. 4 Renesas Technology and Solution Portfolio Microcontrollers & Microprocessors #1 Market share worldwide * Analog and Power Devices #1 Market share in low-voltage MOSFET** ASIC, ASSP & Memory Advanced and proven technologies * MCU: 31% revenue basis from Gartner "Semiconductor Applications Worldwide Annual Market Share: Database" 25 March 2010 **Power MOSFET: 17.1% on unit basis from Marketing Eye 2009 (17.1% on unit basis). Solutions for Innovation

5 © 2010 Renesas Electronics America Inc. All rights reserved. 5 Microcontroller and Microprocessor Line-up Superscalar, MMU, Multimedia  Up to 1200 DMIPS, 45, 65 & 90nm process  Video and audio processing on Linux  Server, Industrial & Automotive  Up to 500 DMIPS, 150 & 90nm process  600uA/MHz, 1.5 uA standby  Medical, Automotive & Industrial  Legacy Cores  Next-generation migration to RX High Performance CPU, FPU, DSC Embedded Security  Up to 10 DMIPS, 130nm process  350 uA/MHz, 1uA standby  Capacitive touch  Up to 25 DMIPS, 150nm process  190 uA/MHz, 0.3uA standby  Application-specific integration  Up to 25 DMIPS, 180, 90nm process  1mA/MHz, 100uA standby  Crypto engine, Hardware security  Up to 165 DMIPS, 90nm process  500uA/MHz, 2.5 uA standby  Ethernet, CAN, USB, Motor Control, TFT Display High Performance CPU, Low Power Ultra Low Power General Purpose

6 © 2010 Renesas Electronics America Inc. All rights reserved. 6 Microcontroller and Microprocessor Line-up Superscalar, MMU, Multimedia  Up to 1200 DMIPS, 45, 65 & 90nm process  Video and audio processing on Linux  Server, Industrial & Automotive  Up to 500 DMIPS, 150 & 90nm process  600uA/MHz, 1.5 uA standby  Medical, Automotive & Industrial  Legacy Cores  Next-generation migration to RX High Performance CPU, FPU, DSC Embedded Security  Up to 10 DMIPS, 130nm process  350 uA/MHz, 1uA standby  Capacitive touch  Up to 25 DMIPS, 150nm process  190 uA/MHz, 0.3uA standby  Application-specific integration  Up to 25 DMIPS, 180, 90nm process  1mA/MHz, 100uA standby  Crypto engine, Hardware security  Up to 165 DMIPS, 90nm process  500uA/MHz, 2.5 uA standby  Ethernet, CAN, USB, Motor Control, TFT Display High Performance CPU, Low Power Ultra Low Power General Purpose

7 © 2010 Renesas Electronics America Inc. All rights reserved. Firmware v1.2 Innovation ??? Firmware v3.0 v4.0v1.3 Added Multitasking Fixed focusing bug

8 © 2010 Renesas Electronics America Inc. All rights reserved. Renesas Gets You There Quicker Project Timeline Starting from scratch Start with a Renesas project Finished Your Project Empty Renesas FlashLoader

9 © 2010 Renesas Electronics America Inc. All rights reserved. Agenda Overview of the FlashLoader Project 1: Using FlashLoader With Your Project 2: Making a Load Image 3: Obtaining the Load Image 4: Using the Load Image Lab

© 2010 Renesas Electronics America Inc. All rights reserved. 10 Overview of the FlashLoader Project

11 © 2010 Renesas Electronics America Inc. All rights reserved. What is the FlashLoader Project? Flexible system for implementing in-field-reprogramming in your own project Communications medium agnostic Modify to fit your system Retries & error checking built in Does not interfere with User Application

12 © 2010 Renesas Electronics America Inc. All rights reserved. Terms Device Storage v4.2 Host Load Image

13 © 2010 Renesas Electronics America Inc. All rights reserved. Checking…Downloading … Storing … Reprogramming … Parts of the FlashLoader Project? Flexible system that can be split into 2 parts: Downloader Bootloader Host Device Storage

14 © 2010 Renesas Electronics America Inc. All rights reserved. Which of the following communication methods can work with the FlashLoader project? 1.RS232 2.Ethernet 3.USB 4.WiFi 5.IrDA 6.ZigBee 7.All of the above ?

© 2010 Renesas Electronics America Inc. All rights reserved. 15 1: Using FlashLoader With Your Project

16 © 2010 Renesas Electronics America Inc. All rights reserved. Add FlashLoader to your HEW Project Add FlashLoader project files Enables future updates FlashLoader Bootloader is separate workspace Project Workspace User Application FlashLoader +

17 © 2010 Renesas Electronics America Inc. All rights reserved. Configure FlashLoader for Your System  FL_AppHeader.c  FL_Communications.c  FL_Downloader.c  FL_StoreManager.c  FL_Memory.c  FL_Utilities.c Host Device Storage v4.2 = Edit for your configuration

18 © 2010 Renesas Electronics America Inc. All rights reserved. FlashLoader Bootloader Separate workspace Separate memory areas Can use same or different communications as FL Downloader User Boot is special User Application & FlashLoader Downloader FlashLoader Bootloader MCUMCU User ROMUser Boot Area

19 © 2010 Renesas Electronics America Inc. All rights reserved. Why is User Boot special? Can jump to on reset Cannot accidentally erase Should have ‘one and done’ attitude Single-Chip Mode Reset Vector User Boot Mode Reset Vector

20 © 2010 Renesas Electronics America Inc. All rights reserved. The FlashLoader Bootloader has to reside in the User Boot Area? 1.True 2.False ?

© 2010 Renesas Electronics America Inc. All rights reserved. 21 2: Making a Load Image

22 © 2010 Renesas Electronics America Inc. All rights reserved. Making a Load Image S-Record files are inefficient S-Record Converter Load Image information: Binary Starts with header Has N blocks Load Image HeaderBlock 1 Block 2Block N... MOT S-Record Converter Load Image 60KB 20KB

© 2010 Renesas Electronics America Inc. All rights reserved. 23 3: Obtaining the Load Image

24 © 2010 Renesas Electronics America Inc. All rights reserved. Transferring the Load Image FlashLoader is medium agnostic Communications protocol is supplied Supported commands Information Request Erase Image from Storage Load Image Download Host Device Storage

25 © 2010 Renesas Electronics America Inc. All rights reserved. Storing the Load Image As Load Blocks come in: Check for errors Store Storage area partitioned for Load Images If error occurs, retry is possible Host Device Storage Load Block

26 © 2010 Renesas Electronics America Inc. All rights reserved. Storage What the Storage Area Looks Like Load Images are in different ‘partitions’ Load Image #1 – Address 0x HeaderBlock 1Block 2Block 3 Block 512 … Load Image #2 – Address 0x HeaderBlock 1Block 2Block 3 Block 656 … Load Image #3 – Address 0x EMPTY

© 2010 Renesas Electronics America Inc. All rights reserved. 27 4: Using the Load Image

28 © 2010 Renesas Electronics America Inc. All rights reserved. Reboot & Flash Reboot when convenient Check for new Load Image If valid, reflash MCU Simple Flash API for RX Jump to user application Host Device Storage Load Image

29 © 2010 Renesas Electronics America Inc. All rights reserved. Questions?

30 © 2010 Renesas Electronics America Inc. All rights reserved. Start the Lab Keep your dice turned to the section of the lab you are on. (Instructions are provided in the lab handout) Please refer to the Lab Handout and let’s get started!

31 © 2010 Renesas Electronics America Inc. All rights reserved. Checking Progress We are using the die to keep track of where everyone is in the lab. Make sure to update it as you change sections. When done with the lab, your die will have the 6 pointing up as shown here.

32 © 2010 Renesas Electronics America Inc. All rights reserved. Lab Question 1 Question: How many times will the FlashLoader state machine be called in 1 second with the code from above? Answer: At ‘FL_TIMER_FREQUENCY’ or 50Hz since ‘#define FL_TIMER_FREQUENCY (50)’ ?

33 © 2010 Renesas Electronics America Inc. All rights reserved. Lab Question 2 Question: How big is a Load File Header? Answer: 23 Bytes ? Structure of a Load File Header: | Valid Mask | 1 Byte | Always 0xAA, marks valid Load File Header | Image ID | 1 Byte | Identifies application | Version # | 1 Byte | Identifies version of application | Size of Load Image | 4 Bytes | Size of image as in external memory | Max Block Size | 4 Bytes | Max size of block | Image CRC | 2 Bytes | CRC of data as in ext memory, CCITT | Raw CRC | 2 Bytes | CRC of image as in MCU flash, CCITT | 1st Block Header Addr | 4 Bytes | Location of first block header in ext memory | Successfully Stored | 4 Bytes | Identifies successfully downloaded image

34 © 2010 Renesas Electronics America Inc. All rights reserved. Lab Question 3 Question: What byte mask is used to distinguish a valid Block Header? Answer: 0xBB ? Structure of a Block Header: | Valid Mask | 1 Byte | Always 0xBB, marks new block header | Sequence ID | 2 Bytes | Identifier for this block | Flash Address | 2-4 Bytes | The starting address for the data | Size of Data | 4 Bytes | Number of bytes of Data | CRC-16 | 2 Bytes | CRC of Data, CCITT - x^16 + x^12 + x^5 +1 | Next Header Address | 4 Bytes | Address of next block header in external memory | Data | 0-4 GBytes| Data

35 © 2010 Renesas Electronics America Inc. All rights reserved. Lab Questions 4 & 5 Question 4: How many bytes was the original MOT file? Answer: 63,174 Bytes Question 5: How many bytes is the Load Image file? Answer: 21,268 Bytes ?

36 © 2010 Renesas Electronics America Inc. All rights reserved. Questions?

37 © 2010 Renesas Electronics America Inc. All rights reserved. Firmware v1.2 Innovation ??? Firmware v3.0 v4.0v1.3 Added Multitasking Fixed focusing bug

© 2010 Renesas Electronics America Inc. All rights reserved. 38 Thank You!

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