SEVEN FMC-DIO-5chTTLa Manuel utilisateur

Production Test Suite for the

FMC-DIO-5chTTLa board

User Manual

Revision 0.1

REVISION TABLE

Revision Date Author Comments

0.1 9/4/2012 Richard R. Carrillo, Seven Solutions S.L. Initial version

TABLE OF CONTENTS

1) Introduction................................................................................................................................ 1

2) FMC-DIO-5chTTLa PTS Requirements..................................................................................... 1

a) Hardware................................................................................................................................ 1

b) Software................................................................................................................................. 3

3) Test procedure............................................................................................................................ 3

a) Hardware installation ............................................................................................................. 3

b) PTS execution ........................................................................................................................ 4

c) List of tests............................................................................................................................. 5

Test00 ........................................................................................................................................ 6

Test01 ........................................................................................................................................ 6

Test02 ........................................................................................................................................ 7

Test03 ........................................................................................................................................ 8

Test04 ........................................................................................................................................ 8

Test05 ........................................................................................................................................ 9

d) Individual execution of tests................................................................................................... 9

e) Test result message list......................................................................................................... 10

Error messages......................................................................................................................... 10

Warning messages.................................................................................................................... 14

4) LEMO 00 test cable ................................................................................................................. 16

a) Overview.............................................................................................................................. 16

b) List of materials ................................................................................................................... 16

c) Cable building ...................................................................................................................... 17

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1) INTRODUCTION

The FMC-DIO-5chTTLa board is a 5-channel digital Input/Output (I/O) module which can be

attached to the SPEC board (Simple PCIe FPGA Mezzanine Card Carrier) by means of a FMC

connector. The I/O channels (ports) are accessed through LEMO 00 connectors and are TTL

(transistor-transistor logic) compatible (supplying 3.3V). This board also includes programmable

voltage threshold (when the ports are configured as inputs), a configurable 50ohm termination resistor

in each port, 2 LEDs (light-emitting diodes), a temperature measurement integrated circuit (IC) and a

64Kbit Electrically-Erasable Programmable Read-Only Memory (EEPROM).

This board was initially designed for testing White Rabbit functionality as part of the SPEC

Demonstration Package for White Rabbit.

Production Test Suite (PTS) is the environment designed to test the functionality of boards after

manufacture. PTS was originally intended for testing boards specifically designed for the Open

Hardware Repository. These tests try to check that the boards have been correctly soldered and

assembled and that the printed circuit board (PCB) is correctly fabricated in terms of electrical

connectivity.

It is important to note that PTS refers only to the functionality testing of the boards and it is not

covering any verification or validation tests of the design. Moreover, PTS can not completely assure a

correct fabrication process, for example, some intermittent failures caused by flaws in the

manufacture may not be detected.

This document describes how PTS can be used to test the FMD-DIO-5chTTLa board.

2) FMC-DIO-5CHTTLA PTS REQUIREMENTS

In order to use PTS to test the FMC-DIO-5chTTLa board some hardware and software elements must

be used.

a) Hardware

- A computer including at least a free 4-lane PCIe slot (x4) or larger.

- The FMC-DIO-5chTTLa board to be tested.

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- A Simple PCIe FPGA Mezzanine Card Carrier (SPEC). This board is a 4-lane PCIe carrier for

FPGA Mezzanine Cards (VITA 57). It incorporates a FMC connector in which the FMC-DIO-

5chTTLa board is connected.

- At least one LEMO 00 test cable (plug and indicator LED attached). The reader is referred to

section 4) for instruction on how to construct this cable.

Figure 1: Specific hardware required

SPEC

FMC

DIO

5chTTLa

LEMO

00 test cable

3/21

b) Software

- Ubuntu Linux with kernel 2.6.38 or higher.

- Python 2.7 or higher.

- The TPS environment installed.

- gnurabbit driver installed.

3) TEST PROCEDURE

a) Hardware installation

Before executing the PTS tests the boards must be properly installed in the computer:

1) Before starting the hardware installation, it is recommended to wear an antistatic wrist band to

avoid electrostatic discharges when handling the boards.

2) Mount the FMC-DIO-5chTTLa board on the FMC connector of the SPEC board as indicated

in Figure 2. The FMC-DIO-5chTTLa board can be mechanically fixed to the SPEC board

using spacers and screws.

Figure 2: FMC-DIO-5chTTLa assembly

4/21

3) Confirm that the computer is switched off (cord unplugged or power-supply switch off) and

plug the assembled SPEC board into a PCIe slot as indicated in Figure 3.

Figure 3: SPEC board inserted into a PCIe slot

4) Switch on the computer and verify that the power LED in the SPEC board is on.

b) PTS execution

Before executing the tests, the TPS environment, a Python interpreter and the gnurabbit driver should

have been previously installed (and the corresponding kernel module loaded). If the module is not

loaded after booting (check it with lsmod), it can be loaded executing:

insmod <pts dir>/gnurabbit/kernel/rawrabbit.ko vendor=0x10dc device=0x18d

See section 2)b)

1) After the computer has finished booting and a user has logged in, open a terminal (if

necessary) and change the current directory to the PTS root directory.

2) Execute: sudo ./fmcdio5chttla.sh

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Next, the program should ask for the serial number of the board. Type the number in the

barcode sticker of the FMC-DIO-5chTTLa board and press enter. The program will ask for an

extra serial number (used in case the manufacturer has a different barcode system). Type the extra

barcode number, or if there is no extra barcode, just press ENTER. The execution of the tests will

start. Refer to the next subsection on how to proceed in each test.

3) Wait for the tests to finish and finally check the results. If any of the tests generated an error or

warning message, it will be displayed in the screen. In case of error, review the whole test

process and repeat the tests one more time for the same board. If during the second execution

of tests you do not get any error or warning messages, it is recommended that you repeat the

tests again with the same initial conditions to ensure that it is not an intermittent problem. If

the error persists, check the log files to obtain detailed information about what occurred during

the execution (see UsersManualProductionTestSuite.pdf), the reader is referred to the

subsection 3)e) in order to elucidate the potential causes of the reported errors

4) Shut down the Linux system and switch off the computer power supply to repeat this process

with another board.

c) List of tests

The test procedure for the FMC-DIO-5chTTLa board is composed of 6 tests summarized in Table 1.

Test

number

Short description User

intervention

00 Check EEPROM and DAC presence and temperature-sensor operation No

01 Check board LEDs (LEDs and LED circuit working) Yes

02 Check board ports as output (port driver, port electrical connectivity and

LVDS-to-LVCMOS IC working)

Yes

03 Check board ports as inputs (DAC and LVDS comparator working) No

04 Check output-enable circuit of board ports No

05 Check termination resistors of board ports No

Table 1: List of tests

6/21

Test00

This test is intended to check the FMC-DIO-5chTTLa-board EEPROM and DAC presence and

temperature-sensor operation

Conditions: To execute this test completely, the FMC-DIO-5chTTLa-board presence line, the I2C

bus and the OneWire bus must work properly.

Procedure details:

- Load SPEC-board firmware (the FPGA is configured using the bit stream contained in the

spec_top.bin file)

- Test mezzanine presence line (check if the FMC-DIO-5chTTLa-board is correctly plugged in the

FMC connector of the SPEC board). The successful completion of this presence test is not decisive,

that is, other errors could result in a wrong presence test outcome.

- Initialize the board and its peripherals

- Check that I2C devices (EEPROM -24AA64T- and DAC -DAC5578-) are present

- Check that OneWire device (temperature sensor -DS18B20-) is present and responds

- Check temperature sensor ID

- Check temperature acquisition.

Test01

This test is intended to check the FMC-DIO-5chTTLa-board LEDs (LED and LED circuit working)

Conditions: To execute this test completely, the FMC-DIO-5chTTLa-board presence line must work

properly.

Procedure details:

- Load SPEC-board firmware (the FPGA is configured using the bit stream contained in the

spec_top.bin file)

- Test mezzanine presence line (check if the FMC-DIO-5chTTLa-board is correctly plugged in the

FMC connector of the SPEC board). The successful completion of this presence test is not decisive,

that is, other errors could result in a wrong presence test outcome.

7/21

- Alternately blink the two FMC-DIO-5chTTLa-board LEDs.

The user must check that the two LEDs are blinking (see Figure 4) and answer Y (yes) or N (no) to

the program.

Figure 4: FMC-DIO-5chTTLa-board LEDs

Test02

This test is intended to check FMC-DIO-5chTTLa-board ports as output (port driver, port electrical

connectivity and LVDS-to-LVCMOS IC working)

Conditions: To execute this test completely, the FMC-DIO-5chTTLa-board presence line must work

properly.

Procedure details:

- Load SPEC-board firmware (the FPGA is configured using the bit stream contained in the

spec_top.bin file)

- Test mezzanine presence line (check if the FMC-DIO-5chTTLa-board is correctly plugged in the

FMC connector of the SPEC board). The successful completion of this presence test is not decisive,

that is, other errors could result in a wrong presence test outcome.

- Oscillate the state of FMC-DIO-5chTTLa-board ports.

To check the state oscillation of the ports, the user must connect one LEMO-00 test cable (see

subsection 2)a)) to each FMC-DIO-5chTTLa-board port or alternatively connect the same test cable

to each port at least during 2 second when the program requests it as indicated in Figure 5. The user

must check that the cable LED blinks (in all the ports) and then answer Y (yes) or N (no) to the

program.

FMC

DIO

5chTTLa

board LEDs

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