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Cypress CY4672 Total ROM Bytes Total RAM Bytes, Build Option ROM Usage Bytes RAM Usage Bytes

Models: CY4672

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Bridge

5.3Firmware Architecture

There are two architectural views of the bridge. The first is a microcontroller configuration view of User Modules inside the controller. This architecture and configuration is best viewed in the PSoC Designer application when the project is loaded. The second view is a logical organization of the source code modules that make up the bridge application code and other support modules.

The next two sections describe both architectures with emphasis on top-level organization and over- all module operation. To obtain more detailed descriptions of variables and functions, reference the source code.

5.3.1ROM/RAM Usage

The following table shows the ROM/RAM usage. The top part exhibits the total ROM/RAM usage for basic functions, which disables all the build options below. The bottom part exhibits the ROM/RAM usage for individual build options.

Table 5-1. ROM/RAM Usage

	Total ROM (Bytes)		Total RAM (Bytes)

Basic Functions		7251	170

Build Option	ROM Usage (Bytes)		RAM Usage (Bytes)

ENCRYPT_DATA TEA*		815	29
ENCRYPT_DATA AES		990	35
MFG_TEST_CODE		541	0
MFG_TX_MODES		651	2
BACK_CHANNEL_SUPPORT		147	1

*The ENCRYPT_TEA option needs 64 bytes of extra ROM space to store the non-volatile session key.

5.3.2PRoC LP Device Configuration

The PRoC LP Programmable Radio on Chip is configured using the Device Editor in PSoC Designer. The bridge uses the SPI Master, USB Device, and the 1 Millisecond Interval Timer User Modules. The SPI Master User Module is used by firmware to communicate with the LP radio mod- ule. The USB Device User Module allows the bridge to operate as a low-speed USB device. The 1 Millisecond Interval Timer User Module is used for timing. Following is a screen shot of the Device Editor showing the User Module mapping. Further description of resources and User Modules follow the diagram.

78	CY4672 Reference Design Guide, Document # 001-16968 Revision **

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Cypress CY4672 manual Total ROM Bytes Total RAM Bytes, Build Option ROM Usage Bytes RAM Usage Bytes

Contents

CY4672 Reference Design Guide Copyrights Disclaimer Contents 2.2 2.3 Programmable Interval Timer User Module 2.42.1 4.1 9.1 9.29.3 6.17 2.4 1 Millisecond Interval Timer User Module 2.56.16 6.18 1.3 1.11.2 100 108 105107 109 Chapter Overviews IntroductionScope Support Conventions DefinitionsAcronyms Rssi Introduction Radio Channel Management WirelessUSB ProtocolGeneral Overview Pseudo Noise Codes Network ID Chip Error CorrectionAutomatic Acknowledgment AutoACK Manufacturing ID Protocol Modes Channel Selection Algorithm Bind Mode Reconnect Ping Mode Bridge OnlyIdle Mode KISSBind Mode Idle Mode HID only Reconnect Mode HID onlyButton Bind Mode Enhanced KISSBind Slave Data Mode UnbindBack Channel Data Support Back Channel Transaction Sequence Dynamic Data Rate and Dynamic PA Dynamic Data Rate Packet Structures Bind/KISSBind Request Packet HID Connect Response Packet Bridge Bind Response Packet BridgeConnect Request HID Device Type Ping Packet Bridge Data Packet/Back Channel Data Packet Bridge and HIDData Byte 0-N This is byte-aligned application data Bind and Reconnect Timing Bind Timing Diagram Signature Byte Device TEA Key Management over WirelessUSB EncryptionTEA Encryption AES Encryption TEA Encryption Key Management Encryption and Power Consumption Trade Off AES Key Management WirelessUSB Protocol Mouse Design FeaturesRDK Mouse Assembly Introduction Bottom View Bind Button and On-Off Switch Hardware Block Diagram Schematics Hardware Considerations PRoC LP Device ConfigurationFirmware Architecture 1 ROM/RAM Usage CYRF69103 Device Architecture Global Configuration SPI Master User Module Programmable Interval Timer User Module ModelFlash Security Debounce Module Common CodeGenerated Library Code SPI Module Protocol Module Timer ModuleRadio Driver Flash Module Application Code ISR ModuleMouse Module Optical Module Testmode Module Buttons Module Mfgtest ModuleWheel Module Configuration Options Battery Module Mfgtestcode PlatformhMOUSE800NOT400CPI Mfgtxmodes Initialization Wireless Protocol Data PayloadPlatform and Architecture Portability Kissbind 9.2 Packet Format Interrupt usage and timingPacket Format Byte Development Environment Code Performance AnalysisTools Critical Test Points Watchdog TimerTips and Tricks 2.1 M8C Sleep Keyboard RDK Keyboard Assembly Keyboard Plastic Radio and PSoC Board PDC-9265 Schematic Bind Button Keyboard Matrix Row EnCoRe II Device Configuration Total ROM Total RAM BytesBuild Option ROM Usage RAM Usage Bytes Microcontroller Device Architecture This parameter is set to Tcap This parameter is set to EnableThis parameter is set to Disable This parameter is set to ‘1’ Reset Timer IsrApplication Keyboard Module Test Module Keyboardkeepalivetimeout Encrypt Module Timercal EncryptteaEncryptaes Mouseemulationmode Keyboard Application Report Formats Modifier Reserved Scan Code Keys 0x00 0x04 Byte Name0xFC Modifier Reserved Scan Code Keys 0x00 Application Report Power Key Scan Ghost Key Detection Interrupt Usage / Timing Code Performance Analysis Adding New Keys Modifying the Keyboard Matrix or Adding New KeysModifying the Keyboard Matrix Build the firmware, the new key ‘My Computer’ will work RDK Keyboard with POD Installed 10. RDK Keyboard Test Points Bridge Bridge Photographs In-System Programming Schematics LED Usage RDK Bridge with USB Adapter and PSoC MiniProg Total ROM Bytes Total RAM Bytes Build Option ROM Usage Bytes RAM Usage Bytes CYRF69213 Device Architecture This parameter is set to 1Hz This parameter is set to 4.44 4.53 2.4 1 Millisecond Interval Timer User Module USB Device User Module PSoC Generated Library Code Modules consist of the common code logical grouping Master Protocol TimerFlash Bridge Module USB Module Mfgtestcode Powerbind Dalenable Polling method is used for the Bind button Suspend and Remote WakeupInterrupt Usage/Timing Parameter Icc Units USB Interface USB Descriptors Device/Config Descriptors Keyboard HID Report Descriptor Mouse/Keyboard HID Report Descriptor Keyboard HID Report Descriptor Endpoint Bridge Keyboard power keys use Report ID Keyboard Report Format Keyboard Endpoint EP1 Reserved Standard Key Mouse Endpoint EP2 Report ID Unused Wheel Battery Level and Link Quality ReportsMouse Report Format Usage ID Usage Name Requesting a New Battery Reading Obtaining the RadioParams Report Example USB Bus Analyzer Catc Traces 17. Example keyboard Catc Trace Standard and MM Keys 18. Example Mouse Catc Trace 19. Example Keyboard Catc Trace Power Key Key Up Development and Debug Environment Few of ways for working with the kit are the following MTK Block Diagram Manufacturing Test Support, MTKMTK Serial Protocol Serial Command Protocol Command Command DescriptionSerial Response Protocol MTK RF Protocol Accessing MTK in the DUTSerial Port Parameter Settings MTK DUT Source Code Porting Manufacturing Test Support, MTK Regulatory Testing Results Test Parameter FCC Limit Measured Value Margin Regulatory Testing Results RDK Keyboard Power ConsiderationsOperation Mode Icc mA with Average Icc Supply Voltage = Usage Model Battery Life Calculations Mode Hrs/day Days Average Icc mA Charge mAhRDK Mouse Active mode-Move the mouse in a circle on white Paper Power Considerations Software Guide Software Code ModulesUSB HID API module CHidDevice Class Methods CHidDeviceClass MethodsMethod Type Description CHidManager Class Methods CHidManagerClass Methods System Tray Module CCySysTray Class MethodsCCySysTray Methods WirelessUSB System Tray Application Module CWirelessUSBTrayApp Class Methods OnStopTimer Public This method stops the timer OnTimer CMainFrame Class Methods CWirelessUSBStatusPropertyPage Class Methods CWirelessUSBStatusPropertySheet Class Methods CHidTrayDevice Class Methods CHidTrayManager Class Methods Appendix A. References + Feedback Index Numerics LED Pseudo noise codes 13, 14 PSoC Designer generated files Index Revision History + Feedback