profile.c

dm270 source code

#include <system/uart270.h>
#include <system/tmr270.h>
#include <user/intc.h>

#define PROFILE_POINT_MAX 20

Uint32 tick_cnt[PROFILE_POINT_MAX];
Uint32 tick_tot[PROFILE_POINT_MAX];

Uint32 profile_tmr_ticks=0;

static char profile_out_buff[80];

void profile_show() ;
void profile_clear_all() ;
void profile_clear(int point) ;
void profile_start(int point) ;
void profile_end(int point) ;
void profile_tmr_isr() ;


void profile_init(Uint16 tmrID, Uint16 reso) {
	TMR_ConfigData tmr;

	INTC_enable( (INT_ID)tmrID, FALSE);
	
	profile_clear_all();
	
	tmr.mode = TMR_FREE_RUN;
	tmr.prescalar = 1000;
	tmr.div  = 27*reso;
	tmr.referenceClock = TMR_REF_CLK_PLLIN;

	TMR_setConfig( tmrID, &tmr);
	
	INTCAttachISR( (INT_ID)tmrID, profile_tmr_isr );
	INTC_enable( (INT_ID)tmrID, TRUE);
}

void profile_show() {
	int i;

	UART_sendString( UART0,  "\r\n"
				"\r\n  Profile Results"
				"\r\n  ===============" );

	for(i=0; i<PROFILE_POINT_MAX; i++ ) {
		if(tick_tot[i] != 0 ) {
			sprintf( profile_out_buff, "\r\n  point %3d : %6ld ticks", i, tick_tot[i]);
			UART_sendString( UART0, profile_out_buff );
		}
	}

	UART_sendString( UART0, "\r\n\r\n");
}

void profile_clear_all() {
	int i;

	profile_tmr_ticks=0;
	for(i=0; i<PROFILE_POINT_MAX; i++ )
		profile_clear(i);
}

void profile_clear(int point) {
	tick_cnt[point] = tick_tot[point] = 0;
}

void profile_start(int point) {
	tick_cnt[point] = profile_tmr_ticks;
}

void profile_end(int point) {
	tick_cnt[point] = profile_tmr_ticks - tick_cnt[point];
	tick_tot[point] += tick_cnt[point];
}

void profile_tmr_isr() {
	profile_tmr_ticks++;
}