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put the performance measuring in another C-File

This commit is contained in:
Oliver Lehmann 2012-06-07 20:26:09 +00:00
parent e2fda1fd0d
commit ba5c7198e0
1 changed files with 165 additions and 0 deletions
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P8000_WDC_Emulator/P8000_WDC_Emulator/wdc_if_disk_perf.c Normal file
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/*
* mmc_perf.c
*
* Created: 07.06.2012 21:42:41
* Author: olivleh1
*/
#include <avr/io.h>
#include <avr/interrupt.h>
#include <string.h>
#include <stdlib.h>
#include <avr/pgmspace.h>
#include <avr/sleep.h>
#include "config.h"
#include "wdc_if_sdcard.h"
#include "wdc_ram.h"
#include "uart.h"
#ifdef MEASURE_SDCARD_TIME
#define BLOCKNO 550000
extern uint32_t overflow;
/* switched from local to global for keeping an eye on memory usage */
uint8_t data_buffer[4096];
uint8_t cmd_buffer[9];
void test_write4k(uint8_t numblocks, uint8_t nr_of_tests)
{
uint32_t starttime;
uint32_t blockno = 0;
uint8_t i8, errorcode;
uart_puts_p ( PSTR ( "Test Write 5000 512B-Blocks with Multiblock-Write (4KB Blocksize):" ) );
uart_putc ( '\n' );
memset ( &data_buffer[0], 0xCC, WDC_BLOCKLEN * numblocks );
for ( i8 = 0; i8 < nr_of_tests; i8++ ) {
blockno = BLOCKNO;
for ( starttime = overflow; blockno < ( BLOCKNO + 5000 ); blockno += numblocks ) {
errorcode = wdc_write_multiblock ( blockno, data_buffer, numblocks );
if ( errorcode ) {
break;
}
}
if ( errorcode )
break;
uart_putdw_dec ( overflow - starttime );
uart_putc ( '\n' );
}
}
void test_read4k(uint8_t numblocks, uint8_t nr_of_tests)
{
uint32_t starttime;
uint32_t blockno = 0;
uint8_t i8, errorcode;
uart_puts_p ( PSTR ( "Test Read 5000 512B-Blocks with Multiblock-Read (4KB Blocksize):" ) );
uart_putc ( '\n' );
for ( i8 = 0; i8 < nr_of_tests; i8++ ) {
blockno = BLOCKNO;
for ( starttime = overflow; blockno < ( BLOCKNO + 5000 ); blockno += numblocks ) {
errorcode = wdc_read_multiblock ( blockno, data_buffer, numblocks );
if ( errorcode ) {
break;
}
}
if ( errorcode )
break;
uart_putdw_dec ( overflow - starttime );
uart_putc ( '\n' );
}
}
void test_write512(uint8_t numblocks, uint8_t nr_of_tests)
{
uint32_t starttime;
uint32_t blockno = 0;
uint8_t i8, errorcode;
uart_puts_p ( PSTR ( "Test Write 5000 512B-Blocks with Singleblock-Write (512B Blocksize):" ) );
uart_putc ( '\n' );
memset ( &data_buffer[0], 0xCC, WDC_BLOCKLEN * numblocks );
for ( i8 = 0; i8 < nr_of_tests; i8++ ) {
blockno = BLOCKNO;
for ( starttime = overflow; blockno < ( BLOCKNO + 5000 ); blockno++ ) {
errorcode = wdc_write_sector ( blockno, data_buffer );
if ( errorcode ) {
break;
}
}
if ( errorcode )
break;
uart_putdw_dec ( overflow - starttime );
uart_putc ( '\n' );
}
}
void test_read512(uint8_t numblocks, uint8_t nr_of_tests)
{
uint32_t starttime;
uint32_t blockno = 0;
uint8_t i8, errorcode;
uart_puts_p ( PSTR ( "Test Read 5000 512B-Blocks with Multiblock-Read (4KB Blocksize):" ) );
uart_putc ( '\n' );
for ( i8 = 0; i8 < nr_of_tests; i8++ ) {
blockno = BLOCKNO;
for ( starttime = overflow; blockno < ( BLOCKNO + 5000 ); blockno += numblocks ) {
errorcode = wdc_read_multiblock ( blockno, data_buffer, numblocks );
if ( errorcode ) {
break;
}
}
if ( errorcode )
break;
uart_putdw_dec ( overflow - starttime );
uart_putc ( '\n' );
}
}
void measure_performance()
{
uint8_t numblocks = 4;
uint8_t nr_of_tests = 2;
sei();
TIMSK0 |= ( 0x01 << TOIE0 );
TCCR0B = ( 1 << CS01 ); /* Prescaler 8 */
TCNT0 = 0x00;
uart_puts_p ( PSTR ( "Performance Measurement. Displayed are the Timer-Overflows." ) );
uart_putc ( '\n' );
uart_puts_p ( PSTR ( "Timer is initialized with a Prescaler 8" ) );
uart_putc ( '\n' );
test_write512(numblocks,nr_of_tests);
test_read512(numblocks,nr_of_tests);
test_write512(numblocks,nr_of_tests);
test_read4k(numblocks,nr_of_tests);
test_write4k(numblocks,nr_of_tests);
test_read4k(numblocks,nr_of_tests);
test_write512(numblocks,nr_of_tests);
test_write4k(numblocks,nr_of_tests);
test_read512(numblocks,nr_of_tests);
test_read4k(numblocks,nr_of_tests);
test_read512(numblocks,nr_of_tests);
test_write4k(numblocks,nr_of_tests);
test_write512(numblocks,nr_of_tests);
uart_puts_p ( PSTR ( "End" ) );
uart_putc ( '\n' );
while ( 1 );
}
#endif