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OVMS3-idf/components/fatfs/test/test_fatfs.c
Ivan Grokhotkov 44ce833d76 fatfs: add vfs support
2017-01-09 05:54:04 +08:00

553 lines
18 KiB
C
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// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <sys/time.h>
#include <sys/unistd.h>
#include "unity.h"
#include "esp_log.h"
#include "esp_system.h"
#include "esp_vfs.h"
#include "esp_vfs_fat.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "driver/sdmmc_host.h"
#include "driver/sdmmc_defs.h"
#include "sdmmc_cmd.h"
#include "diskio.h"
#include "ff.h"
static const char* hello_str = "Hello, World!\n";
#define HEAP_SIZE_CAPTURE() \
size_t heap_size = esp_get_free_heap_size();
#define HEAP_SIZE_CHECK(tolerance) \
do {\
size_t final_heap_size = esp_get_free_heap_size(); \
if (final_heap_size < heap_size - tolerance) { \
printf("Initial heap size: %d, final: %d, diff=%d\n", heap_size, final_heap_size, heap_size - final_heap_size); \
} \
} while(0)
static void create_file_with_text(const char* name, const char* text)
{
FILE* f = fopen(name, "wb");
TEST_ASSERT_NOT_NULL(f);
TEST_ASSERT_TRUE(fputs(text, f) != EOF);
TEST_ASSERT_EQUAL(0, fclose(f));
}
TEST_CASE("can create and write file on sd card", "[fatfs]")
{
HEAP_SIZE_CAPTURE();
sdmmc_host_t host = SDMMC_HOST_DEFAULT();
sdmmc_slot_config_t slot_config = SDMMC_SLOT_CONFIG_DEFAULT();
esp_vfs_fat_sdmmc_mount_config_t mount_config = {
.format_if_mount_failed = true,
.max_files = 5
};
TEST_ESP_OK(esp_vfs_fat_sdmmc_mount("/sdcard", &host, &slot_config, &mount_config, NULL));
create_file_with_text("/sdcard/hello.txt", hello_str);
TEST_ESP_OK(esp_vfs_fat_sdmmc_unmount());
HEAP_SIZE_CHECK(0);
}
TEST_CASE("can read file on sd card", "[fatfs]")
{
HEAP_SIZE_CAPTURE();
sdmmc_host_t host = SDMMC_HOST_DEFAULT();
sdmmc_slot_config_t slot_config = SDMMC_SLOT_CONFIG_DEFAULT();
esp_vfs_fat_sdmmc_mount_config_t mount_config = {
.format_if_mount_failed = false,
.max_files = 5
};
TEST_ESP_OK(esp_vfs_fat_sdmmc_mount("/sdcard", &host, &slot_config, &mount_config, NULL));
FILE* f = fopen("/sdcard/hello.txt", "r");
TEST_ASSERT_NOT_NULL(f);
char buf[32];
int cb = fread(buf, 1, sizeof(buf), f);
TEST_ASSERT_EQUAL(strlen(hello_str), cb);
TEST_ASSERT_EQUAL(0, strcmp(hello_str, buf));
TEST_ASSERT_EQUAL(0, fclose(f));
TEST_ESP_OK(esp_vfs_fat_sdmmc_unmount());
HEAP_SIZE_CHECK(0);
}
static void speed_test(void* buf, size_t buf_size, size_t file_size, bool write)
{
const size_t buf_count = file_size / buf_size;
sdmmc_host_t host = SDMMC_HOST_DEFAULT();
host.max_freq_khz = SDMMC_FREQ_HIGHSPEED;
sdmmc_slot_config_t slot_config = SDMMC_SLOT_CONFIG_DEFAULT();
esp_vfs_fat_sdmmc_mount_config_t mount_config = {
.format_if_mount_failed = write,
.max_files = 5
};
TEST_ESP_OK(esp_vfs_fat_sdmmc_mount("/sdcard", &host, &slot_config, &mount_config, NULL));
FILE* f = fopen("/sdcard/4mb.bin", (write) ? "wb" : "rb");
TEST_ASSERT_NOT_NULL(f);
struct timeval tv_start;
gettimeofday(&tv_start, NULL);
for (size_t n = 0; n < buf_count; ++n) {
if (write) {
TEST_ASSERT_EQUAL(1, fwrite(buf, buf_size, 1, f));
} else {
if (fread(buf, buf_size, 1, f) != 1) {
printf("reading at n=%d, eof=%d", n, feof(f));
TEST_FAIL();
}
}
}
struct timeval tv_end;
gettimeofday(&tv_end, NULL);
TEST_ASSERT_EQUAL(0, fclose(f));
TEST_ESP_OK(esp_vfs_fat_sdmmc_unmount());
float t_s = tv_end.tv_sec - tv_start.tv_sec + 1e-6f * (tv_end.tv_usec - tv_start.tv_usec);
printf("%s %d bytes (block size %d) in %.3fms (%.3f MB/s)\n",
(write)?"Wrote":"Read", file_size, buf_size, t_s * 1e3,
(file_size / 1024 / 1024) / t_s);
}
TEST_CASE("read speed test", "[fatfs]")
{
HEAP_SIZE_CAPTURE();
const size_t buf_size = 16 * 1024;
uint32_t* buf = (uint32_t*) calloc(1, buf_size);
const size_t file_size = 4 * 1024 * 1024;
speed_test(buf, 4 * 1024, file_size, false);
HEAP_SIZE_CHECK(0);
speed_test(buf, 8 * 1024, file_size, false);
HEAP_SIZE_CHECK(0);
speed_test(buf, 16 * 1024, file_size, false);
HEAP_SIZE_CHECK(0);
free(buf);
HEAP_SIZE_CHECK(0);
}
TEST_CASE("write speed test", "[fatfs]")
{
HEAP_SIZE_CAPTURE();
const size_t buf_size = 16 * 1024;
uint32_t* buf = (uint32_t*) calloc(1, buf_size);
for (size_t i = 0; i < buf_size / 4; ++i) {
buf[i] = esp_random();
}
const size_t file_size = 4 * 1024 * 1024;
speed_test(buf, 4 * 1024, file_size, true);
speed_test(buf, 8 * 1024, file_size, true);
speed_test(buf, 16 * 1024, file_size, true);
free(buf);
HEAP_SIZE_CHECK(0);
}
TEST_CASE("can lseek", "[fatfs]")
{
HEAP_SIZE_CAPTURE();
sdmmc_host_t host = SDMMC_HOST_DEFAULT();
host.max_freq_khz = SDMMC_FREQ_HIGHSPEED;
sdmmc_slot_config_t slot_config = SDMMC_SLOT_CONFIG_DEFAULT();
esp_vfs_fat_sdmmc_mount_config_t mount_config = {
.format_if_mount_failed = true,
.max_files = 5
};
TEST_ESP_OK(esp_vfs_fat_sdmmc_mount("/sdcard", &host, &slot_config, &mount_config, NULL));
FILE* f = fopen("/sdcard/seek.txt", "wb+");
TEST_ASSERT_NOT_NULL(f);
TEST_ASSERT_EQUAL(11, fprintf(f, "0123456789\n"));
TEST_ASSERT_EQUAL(0, fseek(f, -2, SEEK_CUR));
TEST_ASSERT_EQUAL('9', fgetc(f));
TEST_ASSERT_EQUAL(0, fseek(f, 3, SEEK_SET));
TEST_ASSERT_EQUAL('3', fgetc(f));
TEST_ASSERT_EQUAL(0, fseek(f, -3, SEEK_END));
TEST_ASSERT_EQUAL('8', fgetc(f));
TEST_ASSERT_EQUAL(0, fseek(f, 3, SEEK_END));
TEST_ASSERT_EQUAL(14, ftell(f));
TEST_ASSERT_EQUAL(4, fprintf(f, "abc\n"));
TEST_ASSERT_EQUAL(0, fseek(f, 0, SEEK_END));
TEST_ASSERT_EQUAL(18, ftell(f));
TEST_ASSERT_EQUAL(0, fseek(f, 0, SEEK_SET));
char buf[20];
TEST_ASSERT_EQUAL(18, fread(buf, 1, sizeof(buf), f));
const char ref_buf[] = "0123456789\n\0\0\0abc\n";
TEST_ASSERT_EQUAL_INT8_ARRAY(ref_buf, buf, sizeof(ref_buf) - 1);
TEST_ASSERT_EQUAL(0, fclose(f));
TEST_ESP_OK(esp_vfs_fat_sdmmc_unmount());
HEAP_SIZE_CHECK(0);
}
TEST_CASE("stat returns correct values", "[fatfs]")
{
HEAP_SIZE_CAPTURE();
sdmmc_host_t host = SDMMC_HOST_DEFAULT();
host.max_freq_khz = SDMMC_FREQ_HIGHSPEED;
sdmmc_slot_config_t slot_config = SDMMC_SLOT_CONFIG_DEFAULT();
esp_vfs_fat_sdmmc_mount_config_t mount_config = {
.format_if_mount_failed = true,
.max_files = 5
};
TEST_ESP_OK(esp_vfs_fat_sdmmc_mount("/sdcard", &host, &slot_config, &mount_config, NULL));
struct tm tm;
tm.tm_year = 2016 - 1900;
tm.tm_mon = 0;
tm.tm_mday = 10;
tm.tm_hour = 16;
tm.tm_min = 30;
tm.tm_sec = 0;
time_t t = mktime(&tm);
printf("Setting time: %s", asctime(&tm));
struct timeval now = { .tv_sec = t };
settimeofday(&now, NULL);
create_file_with_text("/sdcard/stat.txt", "foo\n");
struct stat st;
TEST_ASSERT_EQUAL(0, stat("/sdcard/stat.txt", &st));
time_t mtime = st.st_mtime;
struct tm mtm;
localtime_r(&mtime, &mtm);
printf("File time: %s", asctime(&mtm));
TEST_ASSERT(abs(mtime - t) < 2); // fatfs library stores time with 2 second precision
TEST_ASSERT(st.st_mode & S_IFREG);
TEST_ASSERT_FALSE(st.st_mode & S_IFDIR);
TEST_ESP_OK(esp_vfs_fat_sdmmc_unmount());
HEAP_SIZE_CHECK(0);
}
TEST_CASE("unlink removes a file", "[fatfs]")
{
HEAP_SIZE_CAPTURE();
sdmmc_host_t host = SDMMC_HOST_DEFAULT();
host.max_freq_khz = SDMMC_FREQ_HIGHSPEED;
sdmmc_slot_config_t slot_config = SDMMC_SLOT_CONFIG_DEFAULT();
esp_vfs_fat_sdmmc_mount_config_t mount_config = {
.format_if_mount_failed = true,
.max_files = 5
};
TEST_ESP_OK(esp_vfs_fat_sdmmc_mount("/sdcard", &host, &slot_config, &mount_config, NULL));
create_file_with_text("/sdcard/unlink.txt", "unlink\n");
TEST_ASSERT_EQUAL(0, unlink("/sdcard/unlink.txt"));
TEST_ASSERT_NULL(fopen("/sdcard/unlink.txt", "r"));
TEST_ESP_OK(esp_vfs_fat_sdmmc_unmount());
HEAP_SIZE_CHECK(0);
}
TEST_CASE("link copies a file, rename moves a file", "[fatfs]")
{
HEAP_SIZE_CAPTURE();
sdmmc_host_t host = SDMMC_HOST_DEFAULT();
host.max_freq_khz = SDMMC_FREQ_HIGHSPEED;
sdmmc_slot_config_t slot_config = SDMMC_SLOT_CONFIG_DEFAULT();
esp_vfs_fat_sdmmc_mount_config_t mount_config = {
.format_if_mount_failed = true,
.max_files = 5
};
TEST_ESP_OK(esp_vfs_fat_sdmmc_mount("/sdcard", &host, &slot_config, &mount_config, NULL));
unlink("/sdcard/linkcopy.txt");
unlink("/sdcard/link_dst.txt");
unlink("/sdcard/link_src.txt");
FILE* f = fopen("/sdcard/link_src.txt", "w+");
TEST_ASSERT_NOT_NULL(f);
char* str = "0123456789";
for (int i = 0; i < 4000; ++i) {
TEST_ASSERT_NOT_EQUAL(EOF, fputs(str, f));
}
TEST_ASSERT_EQUAL(0, fclose(f));
TEST_ASSERT_EQUAL(0, link("/sdcard/link_src.txt", "/sdcard/linkcopy.txt"));
FILE* fcopy = fopen("/sdcard/linkcopy.txt", "r");
TEST_ASSERT_NOT_NULL(fcopy);
TEST_ASSERT_EQUAL(0, fseek(fcopy, 0, SEEK_END));
TEST_ASSERT_EQUAL(40000, ftell(fcopy));
TEST_ASSERT_EQUAL(0, fclose(fcopy));
TEST_ASSERT_EQUAL(0, rename("/sdcard/linkcopy.txt", "/sdcard/link_dst.txt"));
TEST_ASSERT_NULL(fopen("/sdcard/linkcopy.txt", "r"));
FILE* fdst = fopen("/sdcard/link_dst.txt", "r");
TEST_ASSERT_NOT_NULL(fdst);
TEST_ASSERT_EQUAL(0, fseek(fdst, 0, SEEK_END));
TEST_ASSERT_EQUAL(40000, ftell(fdst));
TEST_ASSERT_EQUAL(0, fclose(fdst));
TEST_ESP_OK(esp_vfs_fat_sdmmc_unmount());
HEAP_SIZE_CHECK(0);
}
typedef struct {
const char* filename;
bool write;
size_t word_count;
int seed;
SemaphoreHandle_t done;
int result;
} read_write_test_arg_t;
#define READ_WRITE_TEST_ARG_INIT(name, seed_) \
{ \
.filename = name, \
.seed = seed_, \
.word_count = 8192, \
.write = true, \
.done = xSemaphoreCreateBinary() \
}
static void read_write_task(void* param)
{
read_write_test_arg_t* args = (read_write_test_arg_t*) param;
FILE* f = fopen(args->filename, args->write ? "wb" : "rb");
if (f == NULL) {
args->result = ESP_ERR_NOT_FOUND;
goto done;
}
srand(args->seed);
for (size_t i = 0; i < args->word_count; ++i) {
uint32_t val = rand();
if (args->write) {
int cnt = fwrite(&val, sizeof(val), 1, f);
if (cnt != 1) {
args->result = ESP_FAIL;
goto close;
}
} else {
uint32_t rval;
int cnt = fread(&rval, sizeof(rval), 1, f);
if (cnt != 1 || rval != val) {
ets_printf("E: i=%d, cnt=%d rval=%d val=%d\n\n", i, cnt, rval, val);
args->result = ESP_FAIL;
goto close;
}
}
}
args->result = ESP_OK;
close:
fclose(f);
done:
xSemaphoreGive(args->done);
vTaskDelay(1);
vTaskDelete(NULL);
}
TEST_CASE("multiple tasks can use same volume", "[fatfs]")
{
HEAP_SIZE_CAPTURE();
sdmmc_host_t host = SDMMC_HOST_DEFAULT();
host.max_freq_khz = SDMMC_FREQ_HIGHSPEED;
sdmmc_slot_config_t slot_config = SDMMC_SLOT_CONFIG_DEFAULT();
esp_vfs_fat_sdmmc_mount_config_t mount_config = {
.format_if_mount_failed = true,
.max_files = 5
};
TEST_ESP_OK(esp_vfs_fat_sdmmc_mount("/sdcard", &host, &slot_config, &mount_config, NULL));
read_write_test_arg_t args1 = READ_WRITE_TEST_ARG_INIT("/sdcard/f1", 1);
read_write_test_arg_t args2 = READ_WRITE_TEST_ARG_INIT("/sdcard/f2", 2);
printf("writing f1 and f2\n");
xTaskCreatePinnedToCore(&read_write_task, "rw1", 2048, &args1, 3, NULL, 0);
xTaskCreatePinnedToCore(&read_write_task, "rw2", 2048, &args2, 3, NULL, 1);
xSemaphoreTake(args1.done, portMAX_DELAY);
printf("f1 done\n");
TEST_ASSERT_EQUAL(ESP_OK, args1.result);
xSemaphoreTake(args2.done, portMAX_DELAY);
printf("f2 done\n");
TEST_ASSERT_EQUAL(ESP_OK, args2.result);
args1.write = false;
args2.write = false;
read_write_test_arg_t args3 = READ_WRITE_TEST_ARG_INIT("/sdcard/f3", 3);
read_write_test_arg_t args4 = READ_WRITE_TEST_ARG_INIT("/sdcard/f4", 4);
printf("reading f1 and f2, writing f3 and f4\n");
xTaskCreatePinnedToCore(&read_write_task, "rw3", 2048, &args3, 3, NULL, 1);
xTaskCreatePinnedToCore(&read_write_task, "rw4", 2048, &args4, 3, NULL, 0);
xTaskCreatePinnedToCore(&read_write_task, "rw1", 2048, &args1, 3, NULL, 0);
xTaskCreatePinnedToCore(&read_write_task, "rw2", 2048, &args2, 3, NULL, 1);
xSemaphoreTake(args1.done, portMAX_DELAY);
printf("f1 done\n");
TEST_ASSERT_EQUAL(ESP_OK, args1.result);
xSemaphoreTake(args2.done, portMAX_DELAY);
printf("f2 done\n");
TEST_ASSERT_EQUAL(ESP_OK, args2.result);
xSemaphoreTake(args3.done, portMAX_DELAY);
printf("f3 done\n");
TEST_ASSERT_EQUAL(ESP_OK, args3.result);
xSemaphoreTake(args4.done, portMAX_DELAY);
printf("f4 done\n");
TEST_ASSERT_EQUAL(ESP_OK, args4.result);
TEST_ESP_OK(esp_vfs_fat_sdmmc_unmount());
vSemaphoreDelete(args1.done);
vSemaphoreDelete(args2.done);
vSemaphoreDelete(args3.done);
vSemaphoreDelete(args4.done);
vTaskDelay(10);
HEAP_SIZE_CHECK(0);
}
TEST_CASE("can create and remove directories", "[fatfs]")
{
HEAP_SIZE_CAPTURE();
sdmmc_host_t host = SDMMC_HOST_DEFAULT();
host.max_freq_khz = SDMMC_FREQ_HIGHSPEED;
sdmmc_slot_config_t slot_config = SDMMC_SLOT_CONFIG_DEFAULT();
esp_vfs_fat_sdmmc_mount_config_t mount_config = {
.format_if_mount_failed = true,
.max_files = 5
};
TEST_ESP_OK(esp_vfs_fat_sdmmc_mount("/sdcard", &host, &slot_config, &mount_config, NULL));
TEST_ASSERT_EQUAL(0, mkdir("/sdcard/dir1", 0755));
struct stat st;
TEST_ASSERT_EQUAL(0, stat("/sdcard/dir1", &st));
TEST_ASSERT_TRUE(st.st_mode & S_IFDIR);
TEST_ASSERT_FALSE(st.st_mode & S_IFREG);
TEST_ASSERT_EQUAL(0, rmdir("/sdcard/dir1"));
TEST_ASSERT_EQUAL(-1, stat("/sdcard/dir1", &st));
TEST_ASSERT_EQUAL(0, mkdir("/sdcard/dir2", 0755));
create_file_with_text("/sdcard/dir2/1.txt", "foo\n");
TEST_ASSERT_EQUAL(0, stat("/sdcard/dir2", &st));
TEST_ASSERT_TRUE(st.st_mode & S_IFDIR);
TEST_ASSERT_FALSE(st.st_mode & S_IFREG);
TEST_ASSERT_EQUAL(0, stat("/sdcard/dir2/1.txt", &st));
TEST_ASSERT_FALSE(st.st_mode & S_IFDIR);
TEST_ASSERT_TRUE(st.st_mode & S_IFREG);
TEST_ASSERT_EQUAL(-1, rmdir("/sdcard/dir2"));
TEST_ASSERT_EQUAL(0, unlink("/sdcard/dir2/1.txt"));
TEST_ASSERT_EQUAL(0, rmdir("/sdcard/dir2"));
TEST_ESP_OK(esp_vfs_fat_sdmmc_unmount());
HEAP_SIZE_CHECK(0);
}
TEST_CASE("opendir, readdir, rewinddir, seekdir work as expected", "[fatfs]")
{
HEAP_SIZE_CAPTURE();
sdmmc_host_t host = SDMMC_HOST_DEFAULT();
host.max_freq_khz = SDMMC_FREQ_HIGHSPEED;
sdmmc_slot_config_t slot_config = SDMMC_SLOT_CONFIG_DEFAULT();
esp_vfs_fat_sdmmc_mount_config_t mount_config = {
.format_if_mount_failed = true,
.max_files = 5
};
TEST_ESP_OK(esp_vfs_fat_sdmmc_mount("/sdcard", &host, &slot_config, &mount_config, NULL));
unlink("/sdcard/dir/inner/3.txt");
rmdir("/sdcard/dir/inner");
unlink("/sdcard/dir/2.txt");
unlink("/sdcard/dir/1.txt");
unlink("/sdcard/dir/boo.bin");
rmdir("/sdcard/dir");
TEST_ASSERT_EQUAL(0, mkdir("/sdcard/dir", 0755));
create_file_with_text("/sdcard/dir/2.txt", "1\n");
create_file_with_text("/sdcard/dir/1.txt", "1\n");
create_file_with_text("/sdcard/dir/boo.bin", "\01\02\03");
TEST_ASSERT_EQUAL(0, mkdir("/sdcard/dir/inner", 0755));
create_file_with_text("/sdcard/dir/inner/3.txt", "3\n");
DIR* dir = opendir("/sdcard/dir");
TEST_ASSERT_NOT_NULL(dir);
int count = 0;
const char* names[4];
while(count < 4) {
struct dirent* de = readdir(dir);
if (!de) {
break;
}
printf("found '%s'\n", de->d_name);
if (strcasecmp(de->d_name, "1.txt") == 0) {
TEST_ASSERT_TRUE(de->d_type == DT_REG);
names[count] = "1.txt";
++count;
} else if (strcasecmp(de->d_name, "2.txt") == 0) {
TEST_ASSERT_TRUE(de->d_type == DT_REG);
names[count] = "2.txt";
++count;
} else if (strcasecmp(de->d_name, "inner") == 0) {
TEST_ASSERT_TRUE(de->d_type == DT_DIR);
names[count] = "inner";
++count;
} else if (strcasecmp(de->d_name, "boo.bin") == 0) {
TEST_ASSERT_TRUE(de->d_type == DT_REG);
names[count] = "boo.bin";
++count;
} else {
TEST_FAIL_MESSAGE("unexpected directory entry");
}
}
TEST_ASSERT_EQUAL(count, 4);
rewinddir(dir);
struct dirent* de = readdir(dir);
TEST_ASSERT_NOT_NULL(de);
TEST_ASSERT_EQUAL(0, strcasecmp(de->d_name, names[0]));
seekdir(dir, 3);
de = readdir(dir);
TEST_ASSERT_NOT_NULL(de);
TEST_ASSERT_EQUAL(0, strcasecmp(de->d_name, names[3]));
seekdir(dir, 1);
de = readdir(dir);
TEST_ASSERT_NOT_NULL(de);
TEST_ASSERT_EQUAL(0, strcasecmp(de->d_name, names[1]));
seekdir(dir, 2);
de = readdir(dir);
TEST_ASSERT_NOT_NULL(de);
TEST_ASSERT_EQUAL(0, strcasecmp(de->d_name, names[2]));
TEST_ASSERT_EQUAL(0, closedir(dir));
TEST_ESP_OK(esp_vfs_fat_sdmmc_unmount());
HEAP_SIZE_CHECK(0);
}
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