X-Git-Url: https://git.cryptolib.org/?a=blobdiff_plain;f=test_src%2Fperformance_test.c;h=3ce4910d62c1377a96f19b84ab28ffd8bd16bf57;hb=22985930c9c2c610ae18e2d8df0f3ea78a082134;hp=ad745fc4c96a0b6480bb25fb563500f911040689;hpb=52ec168ece9d61bd9cb652235dfe8faee6232a11;p=avr-crypto-lib.git

diff --git a/test_src/performance_test.c b/test_src/performance_test.c
index ad745fc..3ce4910 100644
--- a/test_src/performance_test.c
+++ b/test_src/performance_test.c
@@ -20,10 +20,10 @@
  * author: Daniel Otte
  * email:  daniel.otte@rub.de
  * license: GPLv3
- * 
- * 
+ *
+ *
  **/
- 
+
 #include "config.h"
 #include <string.h>
 #include <stdint.h>
@@ -31,7 +31,7 @@
 #include <avr/io.h>
 #include <avr/interrupt.h>
 #include <avr/pgmspace.h>
-#include "cli.h"
+#include <stdio.h>
 #include "performance_test.h"
 
 
@@ -41,23 +41,22 @@
 
 
 
-uint32_t ovfcounter;
+static volatile uint32_t ovfcounter;
 
-uint16_t const_overhead=0;
-uint16_t int_overhead=0;
+static uint16_t const_overhead = 0;
+static uint16_t int_overhead = 0;
 
 ISR(TIMER1_OVF_vect){
-	ovfcounter++;
+	++ovfcounter;
 }
 
 void calibrateTimer(void){
-	volatile uint8_t i;
 	startTimer(1);
 	stopTimer();
 	const_overhead = TCNT1;
 	startTimer(1);
-	TCNT1=0xFFFE;
-	i++;
+	TCNT1 = 0xFFFE;
+	asm("nop");
 	stopTimer();
 	int_overhead = TCNT1;
 }
@@ -67,46 +66,30 @@ void startTimer(uint8_t granularity){
 	TCNT1  = 0;
 	ovfcounter = 0;
 	TCCR1A = 0x00;
-	TIMSK &= 0xC3;
-	TIMSK |= _BV(TOIE1); /* enable TOIE1 */
+	TIMSK  = _BV(TOIE1); /* enable TOIE1 */
 	TCCR1B = granularity & 0x7;	/* start timer */
 }
 
 uint64_t stopTimer(void){
 	TCCR1B = 0; /* stop timer */
 	uint64_t ret;
-	ret = (ovfcounter<<16) | TCNT1;
+	ret = (((uint64_t)ovfcounter)<<16) | TCNT1;
 	ret -= const_overhead;
 	ret -= ovfcounter * int_overhead;
 	return ret;
 }
 
-void getOverhead(uint16_t* constoh, uint16_t* intoh){
+void getOverhead(uint16_t *constoh, uint16_t *intoh){
 	*constoh = const_overhead;
-	*intoh   = int_overhead; 
+	*intoh   = int_overhead;
 }
 
-void print_time_P(PGM_P s, uint64_t t){
-	char sv[16];
-	uint8_t c;
-	cli_putstr_P(PSTR("\r\n"));
-	cli_putstr_P(s);
-	ultoa((unsigned long)t, sv, 10);
-	for(c=strlen(sv); c<11; ++c){
-		cli_putc(' ');
-	}
-	cli_putstr(sv);
+void print_time_P(PGM_P s, uint32_t t){
+	printf_P(PSTR("%S%11"PRIu32), t);
 }
 
 void print_overhead(void){
-	char str[16];
-	cli_putstr_P(PSTR("\r\n\r\n=== benchmark ==="));
-	utoa(const_overhead, str, 10);
-	cli_putstr_P(PSTR("\r\n\tconst overhead:     "));
-	cli_putstr(str);
-	utoa(int_overhead, str, 10);
-	cli_putstr_P(PSTR("\r\n\tinterrupt overhead: "));
-	cli_putstr(str);
+	printf_P(PSTR("\n=== benchmark ===\n\tconst overhead:     %7"PRIu16"\n\tinterrupt overhead: %7"PRIu16"\n"), const_overhead, int_overhead);
 }