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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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