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