Table Of Contents - ST STM32 User Manual

Contents
Contents
1 Acronyms and abbreviations ......................................................... 5
2 Features ........................................................................................... 6
2.1
packages ........................................................................................................ 6
2.2
2.3
3 Implementation of six-step motor control algorithm in STM32
Nucleo microcontroller ............................................................................ 8
3.1
3.2
3.3
4 X-CUBE-SPN7 and X-CUBE-SPN8 software expansion for
STM32Cube ............................................................................................ 19
4.1
4.2
5 Getting started with the STM32 six-step firmware library .......... 23
6 Designing an application at user level using the firmware library32
6.1
6.2
6.3
7 Revision history ............................................................................ 38
2/39
Six-step software library in X-CUBE-SPN7 and X-CUBE-SPN8
Development tools ............................................................................ 7
Toolchains ......................................................................................... 7
2.3.1 Programming tools ............................................................................. 7
Introduction to BLDC theory .............................................................. 8
Rotor synchronization ....................................................................... 9
Motor driver control ........................................................................... 9
3.3.1 Current mode control .......................................................................... 9
3.3.2 Voltage mode control........................................................................ 11
3.3.3 Rotor speed measurement ............................................................... 12
3.3.4 Commutation, demagnetization delay and zero crossing event....... 14
3.3.5 Zero crossing detection method ....................................................... 17
3.3.6 Startup procedure ............................................................................. 17
Firmware package architecture overview ........................................ 19
How to identify the six-step library version ...................................... 22
Run a different BLDC motor ............................................................ 32
DAC settings for debug ................................................................... 36
How to use the API function for application development ............... 36
DocID029868 Rev 1
UM2124