ref: c4ae65b16f802df86318c7f95d32f25be094e6f2
dir: /demos/stm32f429_disco/main.c/
/*
* Copyright (c) 2013 Grzegorz Kostka (kostka.grzegorz@gmail.com)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <config.h>
#include <hw_init.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <getopt.h>
#include <stdbool.h>
#include <time.h>
#include <unistd.h>
#include <time.h>
#include <usb_msc_lwext4.h>
#include <ext4.h>
/**@brief Read-write size*/
#define READ_WRITE_SZIZE 1024 * 16
/**@brief Delay test (slower LCD scroll)*/
#define TEST_DELAY_MS 1000
/**@brief Input stream name.*/
char input_name[128] = "ext2";
/**@brief Read-write size*/
static int rw_szie = READ_WRITE_SZIZE;
/**@brief Read-write size*/
static int rw_count = 100;
/**@brief Directory test count*/
static int dir_cnt = 100;
/**@brief Static or dynamic cache mode*/
static bool cache_mode = false;
/**@brief Cleanup after test.*/
static bool cleanup_flag = false;
/**@brief Block device stats.*/
static bool bstat = false;
/**@brief Superblock stats.*/
static bool sbstat = false;
/**@brief File write buffer*/
static uint8_t wr_buff[READ_WRITE_SZIZE];
/**@brief File read buffer.*/
static uint8_t rd_buff[READ_WRITE_SZIZE];
/**@brief Block device handle.*/
static struct ext4_blockdev *bd;
/**@brief Block cache handle.*/
static struct ext4_bcache *bc;
static char* entry_to_str(uint8_t type)
{
switch(type){
case EXT4_DIRENTRY_UNKNOWN:
return "[UNK] ";
case EXT4_DIRENTRY_REG_FILE:
return "[FIL] ";
case EXT4_DIRENTRY_DIR:
return "[DIR] ";
case EXT4_DIRENTRY_CHRDEV:
return "[CHA] ";
case EXT4_DIRENTRY_BLKDEV:
return "[BLK] ";
case EXT4_DIRENTRY_FIFO:
return "[FIF] ";
case EXT4_DIRENTRY_SOCK:
return "[SOC] ";
case EXT4_DIRENTRY_SYMLINK:
return "[SYM] ";
default:
break;
}
return "[???]";
}
static void dir_ls(const char *path)
{
char sss[255];
ext4_dir d;
ext4_direntry *de;
printf("ls %s\n", path);
ext4_dir_open(&d, path);
de = ext4_dir_entry_next(&d);
while(de){
memcpy(sss, de->name, de->name_length);
sss[de->name_length] = 0;
printf(" %s", entry_to_str(de->inode_type));
printf("%s", sss);
printf("\n");
de = ext4_dir_entry_next(&d);
}
ext4_dir_close(&d);
}
static void mp_stats(void)
{
struct ext4_mount_stats stats;
ext4_mount_point_stats("/mp/", &stats);
printf("********************\n");
printf("ext4_mount_point_stats\n");
printf("inodes_count = %u\n", stats.inodes_count);
printf("free_inodes_count = %u\n", stats.free_inodes_count);
printf("blocks_count = %u\n", (uint32_t)stats.blocks_count);
printf("free_blocks_count = %u\n", (uint32_t)stats.free_blocks_count);
printf("block_size = %u\n", stats.block_size);
printf("block_group_count = %u\n", stats.block_group_count);
printf("blocks_per_group= %u\n", stats.blocks_per_group);
printf("inodes_per_group = %u\n", stats.inodes_per_group);
printf("volume_name = %s\n", stats.volume_name);
printf("********************\n");
}
static void block_stats(void)
{
uint32_t i;
printf("********************\n");
printf("ext4 blockdev stats\n");
printf("bdev->bread_ctr = %u\n", bd->bread_ctr);
printf("bdev->bwrite_ctr = %u\n", bd->bwrite_ctr);
printf("bcache->ref_blocks = %u\n", bc->ref_blocks);
printf("bcache->max_ref_blocks = %u\n", bc->max_ref_blocks);
printf("bcache->lru_ctr = %u\n", bc->lru_ctr);
printf("\n");
for (i = 0; i < bc->cnt; ++i) {
printf("bcache->refctr[%d]= %u\n", i, bc->refctr[i]);
}
printf("\n");
for (i = 0; i < bc->cnt; ++i) {
printf("bcache->lru_id[%d] = %u\n", i, bc->lru_id[i]);
}
printf("\n");
for (i = 0; i < bc->cnt; ++i) {
printf("bcache->free_delay[%d] = %d\n", i, bc->free_delay[i]);
}
printf("\n");
for (i = 0; i < bc->cnt; ++i) {
printf("bcache->lba[%d] = %u\n", i, (uint32_t)bc->lba[i]);
}
printf("********************\n");
}
static clock_t get_ms(void)
{
return tim_get_ms();
}
static void printf_io_timings(clock_t diff)
{
const struct ext4_io_stats *stats = io_timings_get(diff);
printf("io_timings:\n");
printf(" io_read: %.3f%%\n", stats->io_read);
printf(" io_write: %.3f%%\n", stats->io_write);
printf(" io_cpu: %.3f%%\n", stats->cpu);
}
static bool dir_test(int len)
{
ext4_file f;
int r;
int i;
char path[64];
clock_t diff;
clock_t stop;
clock_t start;
printf("dir_test: %d\n", len);
io_timings_clear();
start = get_ms();
printf("directory create: /mp/dir1\n");
r = ext4_dir_mk("/mp/dir1");
if(r != EOK){
printf("ext4_dir_mk: rc = %d\n", r);
return false;
}
printf("add files to: /mp/dir1\n");
for (i = 0; i < len; ++i) {
sprintf(path, "/mp/dir1/f%d", i);
r = ext4_fopen(&f, path, "wb");
if(r != EOK){
printf("ext4_fopen: rc = %d\n", r);
return false;
}
}
stop = get_ms();
diff = stop - start;
dir_ls("/mp/dir1");
printf("dir_test: time: %d ms\n", (int)diff);
printf("dir_test: av: %d ms/entry\n", (int)diff / len);
printf_io_timings(diff);
return true;
}
static bool file_test(void)
{
int r;
uint32_t size;
ext4_file f;
int i;
clock_t start;
clock_t stop;
clock_t diff;
uint32_t kbps;
uint64_t size_bytes;
printf("file_test:\n");
/*Add hello world file.*/
r = ext4_fopen(&f, "/mp/hello.txt", "wb");
r = ext4_fwrite(&f, "Hello World !\n", strlen("Hello World !\n"), 0);
r = ext4_fclose(&f);
io_timings_clear();
start = get_ms();
r = ext4_fopen(&f, "/mp/test1", "wb");
if(r != EOK){
printf("ext4_fopen ERROR = %d\n", r);
return false;
}
printf("ext4_write: %d * %d ...\n" , rw_szie, rw_count);
for (i = 0; i < rw_count; ++i) {
memset(wr_buff, i % 10 + '0', rw_szie);
r = ext4_fwrite(&f, wr_buff, rw_szie, &size);
if((r != EOK) || (size != rw_szie))
break;
}
if(i != rw_count){
printf(" file_test: rw_count = %d\n", i);
return false;
}
stop = get_ms();
diff = stop - start;
size_bytes = rw_szie * rw_count;
size_bytes = (size_bytes * 1000) / 1024;
kbps = (size_bytes) / (diff + 1);
printf(" write time: %d ms\n", (int)diff);
printf(" write speed: %d KB/s\n", kbps);
printf_io_timings(diff);
r = ext4_fclose(&f);
io_timings_clear();
start = get_ms();
r = ext4_fopen(&f, "/mp/test1", "r+");
if(r != EOK){
printf("ext4_fopen ERROR = %d\n", r);
return false;
}
printf("ext4_read: %d * %d ...\n" , rw_szie, rw_count);
for (i = 0; i < rw_count; ++i) {
memset(wr_buff, i % 10 + '0', rw_szie);
r = ext4_fread(&f, rd_buff, rw_szie, &size);
if((r != EOK) || (size != rw_szie))
break;
if(memcmp(rd_buff, wr_buff, rw_szie))
break;
}
if(i != rw_count){
printf(" file_test: rw_count = %d\n", i);
return false;
}
stop = get_ms();
diff = stop - start;
size_bytes = rw_szie * rw_count;
size_bytes = (size_bytes * 1000) / 1024;
kbps = (size_bytes) / (diff + 1);
printf(" read time: %d ms\n", (int)diff);
printf(" read speed: %d KB/s\n", kbps);
printf_io_timings(diff);
r = ext4_fclose(&f);
return true;
}
static void cleanup(void)
{
clock_t start;
clock_t stop;
clock_t diff;
printf("\ncleanup:\n");
ext4_fremove("/mp/hello.txt");
printf("remove /mp/test1\n");
ext4_fremove("/mp/test1");
printf("remove /mp/dir1\n");
io_timings_clear();
start = get_ms();
ext4_dir_rm("/mp/dir1");
stop = get_ms();
diff = stop - start;
printf("cleanup: time: %d ms\n", (int)diff);
printf_io_timings(diff);
}
static bool open_filedev(void)
{
bd = ext4_usb_msc_get();
bc = ext4_usb_msc_cache_get();
if(!bd || !bc){
printf("open_filedev: fail\n");
return false;
}
return true;
}
static bool mount(void)
{
int r;
if(!open_filedev())
return false;
ext4_dmask_set(EXT4_DEBUG_ALL);
r = ext4_device_register(bd, cache_mode ? 0 : bc, "ext4_fs");
if(r != EOK){
printf("ext4_device_register: rc = %d\n", r);
return false;
}
r = ext4_mount("ext4_fs", "/mp/");
if(r != EOK){
printf("ext4_mount: rc = %d\n", r);
return false;
}
return true;
}
static bool umount(void)
{
int r = ext4_umount("/mp/");
if(r != EOK){
printf("ext4_umount: fail %d", r);
return false;
}
return true;
}
int main(void)
{
hw_init();
setbuf(stdout, 0);
printf("connect usb drive...\n");
while(!hw_usb_connected())
hw_usb_process();
printf("usb drive connected\n");
while(!hw_usb_enum_done())
hw_usb_process();
printf("usb drive enum done\n");
hw_led_red(1);
printf("test conditions:\n");
printf(" rw size: %d\n", rw_szie);
printf(" rw count: %d\n", rw_count);
printf(" cache mode: %s\n", cache_mode ? "dynamic" : "static");
tim_wait_ms(TEST_DELAY_MS);
if(!mount())
return EXIT_FAILURE;
tim_wait_ms(TEST_DELAY_MS);
ext4_cache_write_back("/mp/", 1);
cleanup();
if(sbstat){
tim_wait_ms(TEST_DELAY_MS);
mp_stats();
}
tim_wait_ms(TEST_DELAY_MS);
dir_ls("/mp/");
if(!dir_test(dir_cnt))
return EXIT_FAILURE;
tim_wait_ms(TEST_DELAY_MS);
if(!file_test())
return EXIT_FAILURE;
if(sbstat){
tim_wait_ms(TEST_DELAY_MS);
mp_stats();
}
if(cleanup_flag){
tim_wait_ms(TEST_DELAY_MS);
cleanup();
}
if(bstat){
tim_wait_ms(TEST_DELAY_MS);
block_stats();
}
ext4_cache_write_back("/mp/", 0);
if(!umount())
return EXIT_FAILURE;
printf("press RESET button to restart\n");
while (1) {
tim_wait_ms(500);
hw_led_green(1);
tim_wait_ms(500);
hw_led_green(0);
}
}