Cypress FM3 Series Manuale utente

FM3 Family

32-bit Microcontroller

Math and Motor Control Library

Quick Start Guide

Doc. No. 002-04766 Rev. *A

Cypress Semiconductor

198 Champion Court

San Jose, CA 95134-1709

Phone (USA): 800.858.1810

Phone (Intnl): +1 408.943.2600

www.cypress.com

Copyrights

FM3 Family Math and Motor Control Library Quick Start Guide, Doc. No. 002-04766 Rev. *A 2

and its subsidiaries, including Spansion LLC (“Cypress”). This document, including any software or firmware included or

referenced in this document (“Software”), is owned by Cypress under the intellectual property laws and treaties of the

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FM3 Family Math and Motor Control Library Quick Start Guide, Doc. No. 002-04766 Rev. *A 3

Contents

1. Demo System.................................................................................................................................................................4

1.1 Demo System Introduction....................................................................................................................................4

1.2 Hardware Connect.................................................................................................................................................4

1.3 Run the Motor........................................................................................................................................................7

2. Additional Information ..................................................................................................................................................9

Appendix...............................................................................................................................................................................10

A.1 Common Used Structure.....................................................................................................................................10

A.2 Firmware Parameter Setting................................................................................................................................10

A.3 Motor Parameter..................................................................................................................................................16

Revision History...................................................................................................................................................................17

Document Revision History...........................................................................................................................................17

FM3 Family Math and Motor Control Library Quick Start Guide, Doc. No. 002-04766 Rev. *A 4

1. Demo System

This quick start guide mainly describes how to use the sample project which includes the library functions provided by the

Math and Motor Control Library.

The MMCL is based on the Cypress Cortex-M3 microcontrollers, all of the modules in the MMCL are used in the sample

project that will be described in detail in this guide. You can use this sample project to control the low voltage PMSM or

BLDC.

This chapter introduces one example of inverter motor control project and help you run a motor quickly.

1.1 Demo System Introduction

The connection diagram for the MMCL sample project which is used to control the low voltage inverter motor is shown in

Figure 1-1. The sample project can be adaptive to the any type of low voltage PMSM or BLDC motor.

Figure 1-1. Demo Connection

1.2 Hardware Connect

There are 4 lines to be connected to the demo board.

1. Plug the hall signal of motor to inverter board, shown as below.

DC 24V

U,V,W

LVPS

ADPT

Low Voltage Motor

Demo System

FM3 Family Math and Motor Control Library Quick Start Guide, Doc. No. 002-04766 Rev. *A 5

Figure 1-2. Hall Signal Line Connection

Note:

If there are only 2 hall signals on the motor, the hall A and B line can be only connected to the inverter’s Hall A and Hall B

port. Don’t connect on the Hall C port on the board.

VCC and GND must be connected rightly, otherwise the hall won’t work right and the motor will also not run.

2. Plug the U, V, W phase lines to inverter board, shown as below.

Figure 1-3. Motor Line Connection

3. Connect JTAG to adapter, shown as below.

Motor Phase Line

Hall port

Demo System

FM3 Family Math and Motor Control Library Quick Start Guide, Doc. No. 002-04766 Rev. *A 6

Figure 1-4. JTAG Line Connection

Note:

There is no isolator between the J-link and the HW, it is recommended to unplug the AC power and use the battery of your

note book.

4. Connect DC power 24V to Inverter board, shown as below. The DC voltage can be from 24~48V according to the

rated voltage of the motor and the current of the board must be lower than 2A.

Figure 1-5. AC Plug

J-Link(SWD)

DC Power

Demo System

FM3 Family Math and Motor Control Library Quick Start Guide, Doc. No. 002-04766 Rev. *A 7

1.3 Run the Motor

This section introduces how to the make the motor running as the setting parameter.

1.3.1 Motor Start/Stop

When the parameters for the firmware and hardware are correctly set, the motor can be started for the normal running.

You can follow the steps to run to motor.

1). Check the basic motor and HW parameter setting in the user interfaces. If the setting is not matched with the real HW

and motor parameter, there will be the unexpected running error in the motor running.

2). Compile project and download program to inverter board by the J-link.

①Set the j-link interface to the SWD mode: Project Option J-Link/J-Trace Connection SWD

②Click the button Athat is shown in Figure 1-6 to connect the J-link and download the FW into the MCU,

③ Cick the button Bto execute the sample project. You can enter the none-zero speed value to start the motor in the

structure that is shown as Cafter the firmware is executed about 2s later.

For example, when the variable ‘Motor_stcRunPar.i32TargetSpeedRpm= 1000’ by your online input, the drum

speed of the washer will CCW run to 1000rpm.

And you can take the Table 1-1 for your detailed reference for the speed command.

Table 1-1. Drum Running Status by the Command Speed

Motor_stcRunPar.

i32TargetSpeedRpm

Running Direction Motor’s status

>0 CCW Running

<0 CW Running

=0 Stop Stop

Note:

All of the command speed from the debugger or UART is defined as the motor mechanical speed.

Do not click the button D to break the FW running, the HW over-current or DC over fault may appear and damage the HW

if you do that.

Figure 1-6. Motor Run by J-link

Demo System

FM3 Family Math and Motor Control Library Quick Start Guide, Doc. No. 002-04766 Rev. *A 8

3). Watch the important variable in the live watch window of IAR as Figure 1-6 to check the motor running performance

such as whether the real motor is achieved the command speed and running speed is stable.

1.3.2 Speed Acceleration and Deceleration

After run motor normally, you can run motor in any speed, and the type speed of the drum for front loading washing

machine can be taken for the reference at Table 1-2

Table 1-2. Typical Running Status by the Command Speed

Motor_stcRunPar.

i32TargetSpeedRpm

Drum Direction Description

300~500 CCW The motor runs at 300~500rpm

-300~-500 CW The motor runs at 300~500rpm

1000 CCW The motor runs at 1000rpm

2000 CCW The motor runs at 2000rpm

4000 CCW The motor runs at 1000rpm

0 Stop motor The motor will stop running

If you want to change the default acceleration, you can set the default acceleration ‘Motor_f32SpdAccelerationHz’ in

the file of ‘CustomerInterface.c’ as you want.

The motor can be changed to the hall sensor mode by the macro definition ‘HALLSENSOR’, you can take

section A.1.1 Hardware Setting for your reference.

FM3 Family Math and Motor Control Library Quick Start Guide, Doc. No. 002-04766 Rev. *A 9

2. Additional Information

For more information on MMCL, visit our website:

http://www.cypress.com/applications/home-appliances/math-and-motor-control-library

For more Information on Cypress semiconductor products, visit the following website:

http://www.cypress.com/cypress-microcontrollers

Please contact your local support team for any technical question

FM3 Family Math and Motor Control Library Quick Start Guide, Doc. No. 002-04766 Rev. *A 10

Appendix

A.1 Common Used Structure

The common used structures for the motor control are shown in the following table, you can use these structures to

observe the running performance of the motor.

Item Structure Description

Motor Control

Motor_stcRunPar

The structure is used to control motor run or stop and the basic running information

for the motor such as real running speed, DC bus voltage,

Rotor position and

speed

Angle_stcGenerate

The structure is used for rotor position generate

Motor_stcPll

The structure for the PLL rotor estimator

Spd_stcPar

The structure is used for rotor speed calculation output

Motor_stcAverSpd

The structure for the average speed calculation

Hall_stcCapture

The structure for the hall sensor capture

Spd_stcCalHall

The structure for the rotor speed calculation for the hall sensor capture

Posi_stcCalHall

The structure for the rotor position calculation for the hall sensor capture

Motor voltage and

current

Motor_stcIuvwSensed

3 phase stationary axis current

Motor_stcIabSensed

Alpha-beta axis current

Motor_stcIdqSensed

D&Q axis current

Motor_stcIdqRef

D&Q axis reference current

Motor_stcVdqRef

D&Q axis voltage

Motor_stcVabRef

Alpha-beta axis voltage

PID

Motor_stcWmPidReg

The structure is used for the speed PI regulator

Motor_stcIqPidReg

The structure is used for the q-axis current ‘Iq’ PI regulator

Motor_stcIdPidReg

The structure is used for the d-axis current ‘Id’ PI regulator

A.2 Firmware Parameter Setting

All of the variables reserved for the user interfaces are located the file ‘S05_user/ CustomerInterface.c’ and the

macro definitions for the hardware setting are located the file ‘H05_user/ HardwareConfig.h’, they are highlighted

shown in Figure A 1.

When the motor can’t be started or run well, the variable for the user interface can be found in this section. and all of the

files in the sample project can also be found in Figure A 1.

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