Universal Measurement Universal Measurement System with Web InterfaceSystem with Web Interface

Maciej LipińskiMaciej LipińskiPh.D. Krzysztof Poźniak, MSc GrzegorzPh.D. Krzysztof Poźniak, MSc Grzegorz Kasprowicz Kasprowicz

Wilga 30.05.2008 r.

Presentation planPresentation plan

Outline of the project hardwareOutline of the project hardware Goal and applications of the systemGoal and applications of the system Characteristic Characteristic of of developed partsdeveloped parts Overview and details of system Overview and details of system

interfacesinterfaces Future workFuture work

Outline of the projectOutline of the project

Main module (100x80mm ):Main module (100x80mm ):• Switched-mode Power SupplySwitched-mode Power Supply• Graphic controller Graphic controller • Sound controllerSound controller• I2C interfaceI2C interface• Peripherals: USB, RS232, Ethernet ports, output for Peripherals: USB, RS232, Ethernet ports, output for

built-in LCD-TFT and for VGA monitorbuilt-in LCD-TFT and for VGA monitor Single Board Computer module (50x70mm):Single Board Computer module (50x70mm):

• Microprocessor: ARM9 (AT91RM9200)Microprocessor: ARM9 (AT91RM9200)• 128128MBMB SDRAM SDRAM• Ethernet interface 10/100 MbitEthernet interface 10/100 Mbit• FLASH 8MBFLASH 8MB• SD/MMC reader, SD/MMC reader, • Interfaces: 2 x Serial ports, 2x USB hub and deviceInterfaces: 2 x Serial ports, 2x USB hub and device

Acquisition module:Acquisition module:• ALTERA Cyclone IALTERA Cyclone I• 2 x fast, 105MS/s. 14 bit ADCs2 x fast, 105MS/s. 14 bit ADCs• SSRAM – 128k x 32SSRAM – 128k x 32

Hardware provided by Grzegorz Kasprowicz, consists of 3 Hardware provided by Grzegorz Kasprowicz, consists of 3 modules:modules:

Utilization of the hardware to create an autonomous, Utilization of the hardware to create an autonomous, universal measurement system with Ethernet interface universal measurement system with Ethernet interface

and operating system on board, in order to enable on-fly and operating system on board, in order to enable on-fly reconfiguration accordingly to the user’s needs. Creation reconfiguration accordingly to the user’s needs. Creation

of TCP/IP and web-based control interface.of TCP/IP and web-based control interface.

Acquisition in dangerous places (i.e. high energy

physics)

Acquisition in places which are difficult to

access

Reconfigurable measurement

system

Digital oscilloscope

The goal of the projectThe goal of the project

Measurement system block diagram Measurement system block diagram and data flowand data flow

Signal Source

FPGA

ADC

SSRAM

Acquisition module

Single Board Computer

Main Module

LCD

External monitor

User interface

Measurement interface ARM

Universal Internet Measurement System for High Energy Physics

Ethernet

Graphic

Characteristics:Characteristics: LinuxLinux customized forcustomized for AT91RM9200AT91RM9200 : :

• Kernel: linux-2.6.22.10Kernel: linux-2.6.22.10• Busybox: version 1.7.2Busybox: version 1.7.2• uClibc library: version 0.9.29uClibc library: version 0.9.29

FPGA configuration FPGA configuration • Done via SPI Done via SPI

Acquisition logic features:Acquisition logic features:• Autotrigger and external triggerAutotrigger and external trigger• Trigger slope choiceTrigger slope choice• Sampling timeSampling time• Trigger delayTrigger delay• Record lenghtRecord lenght• Interrupt end of acquisition notificationInterrupt end of acquisition notification

Overview of interfacesOverview of interfacesUser’s space application for acquisition control

map

/dev/mem Linux File System

Linux User Space

open write

Data stored in files

Linux User Space Kernel Interface

Functions

AT91RM9200

NS

C0

External Bus Interface (EBI)

Static Memory Controller (SMC)

map

/dev/mem

Configuration registers

Mapped external memory

Paraller Input/Output Controller (PIO)

NO

E

NW

R0

NW

R1

A[15:0]

NW

AIT

D[15:0]

Read/write controller and

address decoder

Output parameter registers

Input parameter registers

Control register

Status register Readout register

ALTERACYCLONE I

User’s space application for loading the FPGA configuration

SPI

open write map

/dev/spi /dev/mem

PIO A

spi_transfer Linux Kernel Space

At91_spidev

open read

Binary file with FPGA configuration

MO

SI

SP

CK

DC

LK

DA

TA

nCO

NF

IG

CO

NF

_DO

NE

PB

1

PB

2

ADC

SSRAM

ADSC

OE

BWE

BW1

BW2

CE

CLK

Address[18:0]

ADC

AD

C1[13:0]

AD

C2[13:0]

ADC_SEL

FPGA configurationFPGA configuration design design

Linux File System

Linux User Space

Linux User Space Kernel Interface

Functions

AT91RM9200

ALTERACYCLONE I

User’s space application for loading the FPGA configuration

SPI

open write map

/dev/spi /dev/mem

PIO A

spi_transfer Linux Kernel Space

At91_spidev

open read

Binary file with FPGA configuration

MO

SI

SP

CK

DC

LK

DA

TA

nCO

NF

IG

CO

NF

_DO

NE

PB

1

PB

2

User’s space application for acquisition control

map

/dev/mem Linux File System

Linux User Space

open write

Data stored in files

Linux User Space Kernel Interface

Functions

AT91RM9200

NS

C0

External Bus Interface (EBI)

Static Memory Controller (SMC)

map

/dev/mem

Configuration registers

Mapped external memory

Paraller Input/Output Controller (PIO)N

OE

NW

R0

NW

R1

A[15:0]

NW

AIT

D[15:0]

Read/write controller and

address decoder

Output parameter registers

Input parameter registers

Control register

Status register

Readout register

ALTERA CYCLONE I

Acquired data readoutAcquired data readout

Acquisition data storageAcquisition data storage

Read/write controller and

address decoder

Output parameter registers

Input parameter registers

Control register

Status register Readout register

ADC

SSRAM

ADSC

OE

BWE

BW1

BW2

CE

CLK

Address[18:0]

ADC

AD

C1

[13

:0]

AD

C2

[13

:0]

ADC_SEL

ALTERA CYCLONE I

Work to be done:Work to be done: ResearchResearch

• Peripheral driversPeripheral drivers• Signal processing algorithmsSignal processing algorithms• ProtocolsProtocols• Visualization techniquesVisualization techniques• Interface managementInterface management

Operating System preparation Operating System preparation • Bootable from SD/USBBootable from SD/USB• DevelopmentDevelopment of of drivers drivers • Appropriate components (ex. necessary server)Appropriate components (ex. necessary server)• RReasonable sizeeasonable size

FPGA (HDL, glue logic)FPGA (HDL, glue logic)• Signal processing algorithms implementationSignal processing algorithms implementation

SoftwareSoftware• Programs (or drivers) development :Programs (or drivers) development :

Data processingData processing Data visualizationData visualization

• Implementation of one of the standard measurement protocolsImplementation of one of the standard measurement protocols• Create user interface:Create user interface:

General configuration and reconfigurationGeneral configuration and reconfiguration Remote application controlRemote application control Remote measurementRemote measurement Direct control (LCD, mouse, Keyboard)Direct control (LCD, mouse, Keyboard)

TestsTests• The system will be tested as a double channel digital oscilloscope and The system will be tested as a double channel digital oscilloscope and

spectrum analyzerspectrum analyzer

The EndThe End