Renesas V850 Series - Main Processing Function

CHAPTER 4 PROGRAM LIST
Application Note U17209EJ1V0AN
98
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 ----------------------------#
# #
4.2.5 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 */
sw = ~IN_data( SW ) & 0x07 ; /* Read operation button */
if ( sw == 1 ) {
sw_mode = CW ;