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/*
* Copyright (c) 2006-2021, YICHIP Technology Co.,Ltd.
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-09-09 WSY first version
*/
#include <rtthread.h>
#include <rtdevice.h>
#include <rtdbg.h>
/* defined the LED pin: PA12 */
#define LED_PIN (51)
#define FS_PARTITION_NAME "filesystem"
#ifdef BSP_USING_INTER_FLASH
#include <dfs_elm.h>
#include <dfs_file.h>
#include <unistd.h>
#include <dfs_fs.h>
#include <fal.h>
static void elmfs_sample(void)
{
fal_init();
struct rt_device *flash_dev = fal_blk_device_create(FS_PARTITION_NAME);
if (flash_dev == NULL)
{
LOG_E("Can't create a block device on '%s' partition.", FS_PARTITION_NAME);
}
else
{
LOG_I("Create a block device on the %s partition of flash successful...", FS_PARTITION_NAME);
}
if (dfs_mkfs("elm", flash_dev->parent.name) == 0)
{
LOG_I("dfs_mkfs ok!\n");
}
else
{
LOG_E("dfs_mkfs err!\n");
}
if (dfs_mount(flash_dev->parent.name, "/", "elm", 0, 0) == 0)
{
LOG_I("Filesystem initialized!");
}
else
{
LOG_E("Failed to initialize filesystem!");
LOG_D("You should create a filesystem on the block device first!");
}
struct statfs elm_stat;
if (statfs("/", &elm_stat) == 0)
{
LOG_I("elmfat filesystem block size:0x%x,total blocks:0x%x,free blocks:0x%x\n", elm_stat.f_bsize, elm_stat.f_blocks, elm_stat.f_bfree);
}
if (mkdir("/user", 0x777) == 0)
{
LOG_I("make a directory: '/user'.\n");
}
LOG_I("open file\n");
int fd = open("/user/test.txt", O_WRONLY | O_CREAT);
LOG_I("open file ok\n");
char str[] = "elmfat mount";
if (fd >= 0)
{
LOG_I("write file\n");
if (write(fd, str, sizeof(str)) == sizeof(str))
LOG_I("write data done.\n");
close(fd);
}
int size;
char buf[20];
fd = open("/user/test.txt", O_RDONLY);
if (fd >= 0)
{
LOG_I("read file\n");
size = read(fd, buf, sizeof(buf));
close(fd);
if (size == sizeof(str))
{
LOG_I("Read data from file test.txt(size:%d):%s\n", size, buf);
}
}
else
{
LOG_E("open err\n");
}
if (statfs("/", &elm_stat) == 0)
{
LOG_I("elmfat filesystem block size:0x%x,total blocks:0x%x,free blocks:0x%x\n", elm_stat.f_bsize, elm_stat.f_blocks, elm_stat.f_bfree);
}
}
#endif
int main(void)
{
#ifdef BSP_USING_INTER_FLASH
elmfs_sample();
#endif
int count = 1;
/* set LED4 pin mode to output */
rt_pin_mode(LED_PIN, PIN_MODE_OUTPUT);
while (count++)
{
rt_pin_write(LED_PIN, PIN_HIGH);
rt_thread_mdelay(500);
rt_pin_write(LED_PIN, PIN_LOW);
rt_thread_mdelay(500);
}
return RT_EOK;
}
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