BM78 and RN4678 Firmware Upgrade using Host Microcontroller Unit AN4320

1 Quick References

1.1 Reference Documentation

1.2 Hardware Requirements

1.3 Software Requirements

1.4 Acronyms and Abbreviations

2 Overview of the BM78 and the RN4678 Modules

2.1 BM78 and RN4678 Flash Memory Programming

3 Firmware Image Manipulation

4 Data Format of CSEQ Request, CSEQ Response and CSEQ Event

4.1 Format of CSEQ Request (Host –> BM78)

4.2 Format of CSEQ Event (BM78 –> Host)

4.3 Format of CSEQ Response (BM78 <–> Host)

5 Command Sequence (CSEQ) Flash Request Overview

5.1 CSEQ Set Flash Request

5.2 CSEQ Get Flash ID Request

5.3 CSEQ Erase Flash Request

5.4 CSEQ Switch Bank Request

5.5 CSEQ Write Flash Request

5.6 Cyclic Redundancy Check (CRC) Calculation

6 BM78 Module DFU Demo with SAMG55 Xplained Pro Evaluation Kit

6.1 DFU Hardware Setup of the BM78 Module

6.2 SAMG55 Xplained Pro Evaluation Board Firmware Setup

7 Port DFU Demo Code

8 Document Revision History

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