100 lines
2.1 KiB
C
100 lines
2.1 KiB
C
//记得在menuconfig中开启支持旧版本功能（Support legacy version）
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#include <board.h>
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#include <rtthread.h>
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#include <drv_gpio.h>
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#include <dfs_posix.h>//需要添加软件包进这里
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//定义要写入的内容
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char String[] = "Hello, RT-Thread.Welcom to RSOC!\n temp: 123, humi: 789";
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//定义接受文件内容的缓冲区
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char buffer[100] = {};
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void FileSystem_Test(void *parameter)
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{
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//文件描述符
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int fd;
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//用只写方式打开文件,如果没有该文件,则创建一个文件
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fd = open("/fal/FileTest.txt", O_WRONLY | O_CREAT);
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//如果打开成功
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if (fd >= 0)
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{
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//写入文件
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write(fd, String, sizeof(String));
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rt_kprintf("Write done.\n");
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//关闭文件
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close(fd);
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}
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else
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{
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rt_kprintf("File Open Fail.\n");
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}
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//用只读方式打开文件
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fd = open("/fal/FileTest.txt", O_RDONLY);
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if (fd>= 0)
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{
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//读取文件内容
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rt_uint32_t size = read(fd, buffer, sizeof(buffer));
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if (size < 0)
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{
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rt_kprintf("Read File Fail.\n");
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return ;
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}
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//输出文件内容
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rt_kprintf("Read from file test.txt : %s \n", buffer);
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//关闭文件
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close(fd);
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}
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else
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{
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rt_kprintf("File Open Fail.\n");
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}
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}
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//导出命令
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MSH_CMD_EXPORT(FileSystem_Test, FileSystem_Test);
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static void readdir_sample(void)
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{
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DIR *dirp;
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struct dirent *d;
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/* 打开 / dir_test 目录 */
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dirp = opendir("/fal");
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if (dirp == RT_NULL)
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{
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rt_kprintf("open directory error!\n");
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}
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else
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{
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/* 读取目录 */
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while ((d = readdir(dirp)) != RT_NULL)
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{
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rt_kprintf("found %s\n", d->d_name);
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}
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/* 关闭目录 */
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closedir(dirp);
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}
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}
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/* 导出到 msh 命令列表中 */
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MSH_CMD_EXPORT(readdir_sample, readdir sample);
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/*
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#define WIFI_CS GET_PIN(F, 10)
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void WIFI_CS_PULL_DOWM(void)
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{
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rt_pin_mode(WIFI_CS, PIN_MODE_OUTPUT);
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rt_pin_write(WIFI_CS, PIN_LOW);
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}
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INIT_BOARD_EXPORT(WIFI_CS GET_PIN);
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*/
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