AMS GP30-DEV-KIT Manuale utente

User Guide

UG000292

TDC-GP30

Reference Board

GP30-DEV-KIT

v1-00 •2019-Feb-26

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TDC-GP30

Content Guide

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Content Guide

1Introduction....................................3

1.1 Kit Content.................................................... 3

1.2 Ordering Information .................................... 4

2Quick Start Guide ..........................5

2.1 Install the Software....................................... 5

2.2 Install the Hardware ..................................... 5

2.3 Quick Start for Initial Measurements............ 5

3Hardware Description....................8

3.1 Introduction................................................... 8

3.2 Communication Interface............................. 8

4Software Description...................10

4.1 Measurement .............................................10

4.2 Ultrasonic Measurement Control ...............13

4.3 Temperature Measurement Control........... 14

4.4 General Control.......................................... 15

4.5 Interfaces....................................................16

4.6 Interrupt & Error Handling..........................17

4.7 ams............................................................. 18

4.8 Firmware Parameters and Firmware Error

Counters..................................................... 18

5Software Menu............................. 20

5.1 File.............................................................. 20

5.2 Tools .......................................................... 20

5.3 Firmware.................................................... 22

5.4 Help............................................................ 27

6Schematics, Layers and BOM .... 29

7Reference Modules and

Transducers................................. 32

7.1 Modules...................................................... 32

7.2 Transducers............................................... 36

8Revision Information................... 39

9Legal Information ........................ 40

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TDC-GP30

Introduction

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1 Introduction

The GP30-DEV-KIT is a platform for a quick and easy start-up and evaluation of the TDC-GP30

ultrasonic flow converter (UFC). It supports the QFN32 package, which offers the functionality need for

standard water and heat meters. The development kit offers user-friendly configuration and extensive

testing of the TDC-GP30, but also the complete assembler environment for programming the device.

For a proper use of the evaluation system, we strongly recommend to refer to the latest TDC-GP30

datasheets.

1.1 Kit Content

Figure 1:

Kit Content

1 PICOPROG V3.0 (Programmer and interface)

2 USB cable (Connects PICOPROG V3.0 to PC)

3 GP30-DEMO MODULE (Based on TDC-GP30 in QFN32 package)

Please download the latest software for the kit from

https://download.ams.com/SPECIALTY-SENSORS/TDC-GP30

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1.2 Ordering Information

Ordering Code

Part Number

Description

GP30-DEV-KIT

220260003

TDC-GP30 Demo Kit for QFN32 version

including PICOPROG and cables

GP30-DEMO-KIT-F01

220260006

TDC-GP30 Demo Kit with firmware for QFN32

version including PICOPROG and cables

GP30-DEMO MODULE

220260002

GP30 demo board for QFN32 version

GP30-DEMO-US-F01

220260005

GP30 demo board with firmware for QFN32

version

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Quick Start Guide

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2 Quick Start Guide

This section describes how to quickly set up the GP30-DEV-KIT, establish basic operation and make

measurements.

2.1 Install the Software

It is crucial to install the software before connecting the evaluation kit to your computer. A default

driver loading of your OS may interfere with correct installation.

●Download the latest zipped software installation package to the desired directory.

●Unzip the package to the desired directory.

●Open “setup.exe” from the unzipped directory.

●Follow the instructions on the screen.

2.2 Install the Hardware

●Make sure software is installed correctly before proceeding with this step!

●Connect your computer with the PICOPROG V3.0 using USB cable.

●Connect PICOPROG V3.0 and the evaluation kit motherboard using the DB15 interfaces

●The green LED on the evaluation kit should be on.

●Connect your spool piece to US_UP and US_DOWN

2.3 Quick Start for Initial Measurements

From the “Start” menu, go to “All Programs” and then to the “ams” directory. Double click the

“GP30_v1_7_0” icon (or newer versions, if available) to begin execution of the evaluation software.

The following screen should appear:

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Figure 2:

Measurement Page

●Click the “Verify Interface” button to confirm communication between PICOPROG V3.0 and

TDC-GP30 is working. Both fields, “Pico Prog FW version”and “Comm. With GP30 OK?”,

should become green.

●Next, open our configuration GP30Y_config_default_A1.A2.11.03 and download it into the chip,

pressing “Write Config”.

●Connect your spool piece to pins US_UP and US_DOWN.

●Press “Start Measurement” to begin measuring.

At this point, after successful completion of the above steps, a basic operation of the EVA kit should

be possible. The following sections provide a detailed description of the hardware and software for

advanced operation.

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Figure 3:

PICOPROG Registry

If PICOPROG is not displayed correctly then go to the drivers folder, e.g. C:\Program Files

(x86)\ams\GP30\data\ and install the driver for your operating system manually. In case of an upgrade

of the software to a newer version, please make sure that the software uses the latest driver. For

manual installation open the USB communications window and check the firmware version of the

PICOPROG. It should be version PICOPROG_GP30_v21.hex or higher:

Figure 4:

PICOPROG Manual Installation

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Hardware Description

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3 Hardware Description

3.1 Introduction

The GP30-DEMO MODULE board, shown in Figure 5, is a front-end for a water or heat meters. The

transducers and temperature sensors are directly connected to this board. It comes with a 32.768 kHz

quartz (X2) and a 4 MHz ceramic oscillator (X1). All ports of TDC-GP30 are available. Additional patch

fields allow an easy extension with additional circuits. Those can be amplifiers or analog switches for

operation in gas meter mode.

Figure 5:

GP30-DEMO MODULE

3.2 Communication Interface

The PICOPROG device is a USB-to-SPI converter box that interfaces all UFC evaluation systems.

With version 3.0, the PICOPROG also supports the USB-to-UART conversion of TDC-GP30. The

PICOPROG is registered by the operating system initially as “PICOPROG v3.0 unprogrammed”. As

Piezo

D U

PT1000

C H

GND VCC

INIT

MISO

SCK

MOSI

SSN

VCC_LEVEL

Pulse

Interface

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soon as the GP30 evaluation software starts, a special firmware is written into the PICOPROG to

handle the SPI or UART communication with the TDC-GP30. The PICOPROG is now listed as

“UNIPRO” in the device manager. For SPI communication only, PICOPROG version 2.0 is sufficient.

Figure 6 shows the connection between the PICOPROG and the GP30 board. The flat connector

includes the power lines and the SPI or UART communication lines. On the demo board the

communication interface is initially selected to SPI (by solder bridge LJ2).

VCC_LEVEL is the voltage feedback for the PICOPROG level shifters.

Figure 6:

SUBD15-Connector

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Software Description

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4 Software Description

4.1 Measurement

When started, the software comes up with the main window, showing the “Measurements” tab.

Figure 7:

Main Window

4.1.1 First Step with Measurement Control Elements

A good first step is to load a working configuration and make measurements in frontend mode (without

using the internal 32-Bit µP). ams provides a sample configuration file named

GP30Y_config_default_A1.A2.11.03 which typically works well with DN20 spool pieces.

Load Configuration File: File menu Open Config choose appropriate configuration file

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