CHAPTER 4 PROGRAM LIST
Application Note U17209EJ1V0AN
75
object_speed = -speed ;
if ( (sw_mode == CW) || (sw_mode == STOP) ) {
proc_no = 6 ; /* Deceleration, set processing number */
}
break ;
/* CCW stop processing */
case 6 :
if ( accel_count == 0 ) {
accel_count = ACCEL_VAL ; /* Set acceleration/deceleration counter */
if ( object_speed < -SPEED_MINI ) {
object_speed += accel_spd ;
if ( object_speed > -SPEED_MINI ) object_speed = -SPEED_MINI;
timer_count = WATCH_START ; /* Set speed monitor start time to 5 SEC */
} else {
stop_flag = ON ; /* Stop flag on */
proc_no = 0 ; /* Set stop processing number */
}
}
break ;
}
if ( ( proc_no == 2 ) || ( proc_no == 5 ) ) {
if ( timer_count == 0 ) {
if ( abs( object_speed - now_speed ) > SA_SPEED_MAX ) {
error_flag = ERR_NO2 ; /* Set error No. */
}
}
}
if ( disp_co == 0 ) {
led_num(1, d_speed / 100 ); /* Number of revolutions */
d_speed = 0 ;
disp_co = 100 ;
if ( abs(now_speed) == 0 ) {
disp_co = 0;
}
led_num(2, 1000/PWM_TS ); /* Carrier frequency */
led_num(3, cont_time ); /* Overall processing time */
led_num(4, cont_time1 ); /* Vector operation processing time */
}
if ( error_flag ) {
while( 1 ) {
OUT_data( LED41, ~0x00 ) ; /* LED display off */
OUT_data( LED42, ~0x00 ) ;
timer_count = 50 ;
while( timer_count ) ;
if ( error_flag == ERR_NO1 ) {
OUT_data( LED41, ~0x9e ) ; /* E1 display */
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