Renesas V850 Series User Manual

CHAPTER 4 PROGRAM LIST
Application Note U17209EJ1V0AN
149
jl .L12
.L11:
#
mov #_ _sbss, r13 -- clear bss section
mov #_ _ebss, r12
cmp r12, r13
jnl .L14
.L15:
st.w r0, [r13]
add 4, r13
cmp r12, r13
jl .L15
.L14:
#
jarl _main, lp -- call main function
_ _exit:
halt -- end of program
_ _startend:
nop
# #
#-------------------------- end of start up module ----------------------------#
# #
4.4.5 Main processing function
#include "Common.h"
#include "Motor.h"
#pragma ioreg /* Peripheral I/O register definition */
static int save_psw;
/****************************************************************************** /
/* 3-phase motor control program */
/****************************************************************************** /
void main()
{
unsigned char proc_no ; /* Present processing number */
signed int speed ; /* Indication speed rms */
signed int accel_spd ;
int sw, sw_mode ;
/* */
hinit() ; /* Hardware initialization */
ainit() ; /* Initialization of area used */
proc_no = 0 ;
_ _EI();
while( 1 ) {
accel_spd = ( SPEED_MAX - SPEED_MINI ) / 100;
speed = ( ( SPEED_MAX - SPEED_MINI ) * volume / 1024 )
+ SPEED_MINI ; /* Indication speed calculation by volume */

Renesas V850 Series Specifications

General

Core	V850
Architecture	32-bit
Operating Voltage	2.7V to 5.5V
Package	QFP, LQFP, BGA
Communication Interfaces	UART, I2C, SPI, CAN
Operating Temperature	-40°C to +85°C

Summary

Introduction to V850 Series Application Note

Target Readers for V850 Series

Identifies users familiar with V850 microcontroller functions designing application systems.

Purpose of the Application Note

Explains controlling brushless DC motors using the 120° sensorless drive excitation method.

Organization of the Document

Details how the application note is structured into various sections for clarity.

How to Use This Manual

Assumes reader has general knowledge in electrical engineering, logic circuits, and microcontrollers.

Cautions for Application Examples

Highlights that examples are for standard quality models and require evaluation for special grade applications.

Chapter 1: Control Method

Outline of Brushless DC Motor Control

Describes the components of a BLDC motor and how its rotation is controlled by magnetic fields and microcontrollers.

Chapter 2: Hardware Configuration

System Configuration Overview

Details the reference system's main functions and how the motor operates upon switch activation.

Circuit Diagram Details

Explains the components of the reference system circuit, including microcontroller, switches, and output blocks.

Chapter 3: Software Configuration

Software Control Block

Illustrates the software control block of the reference system, showing interactions between components.

Peripheral I/O Functions

Lists and describes the peripheral I/O functions utilized within the reference system.

Software Processing Structure

Presents the main processing structure and interrupt processing structure of the software.

Flowchart of Main Processing

Illustrates the main processing flow, including initialization and mode switching logic.

Chapter 4: Program List

Program List for V850E/IA1

Provides the symbol definitions and constant definitions for the V850E/IA1 microcontroller.

Program List for V850E/IA2

Details the symbol definitions and constant definitions applicable to the V850E/IA2 microcontroller.

Program List for V850E/IA3

Lists symbols, constants, and program structures for the V850E/IA3 microcontroller.

Program List for V850E/IA4

Contains symbol definitions, constants, and program details for the V850E/IA4 microcontroller.

Program List for V850E/MA3

Presents symbol definitions, constants, and program listings for the V850E/MA3 microcontroller.