77 lines
1.9 KiB
C
77 lines
1.9 KiB
C
#include "app_config.h"
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#include "system/includes.h"
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#include "device/device.h"
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#include "fs/fs.h"
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#ifdef USE_SD_TEST_DEMO
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static void sd_fs_test(void)
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{
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puts("-------sd_fs_test--------");
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extern int storage_device_ready(void);
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while (!storage_device_ready()) {//等待sd文件系统挂载完成
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os_time_dly(2);
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}
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//读写测试
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u8 *test_data = "sd test 123456";
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u8 read_buf[32];
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int wlen;
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int rlen;
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int ret;
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FILE *newFile = NULL; //保存移动文件操作成功后文件在新路径的文件流指针
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memset(read_buf, 0, sizeof(read_buf));
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//1.创建文件
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FILE *fd = fopen(CONFIG_ROOT_PATH"111/test.txt", "w+");
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if (fd) {
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fwrite(test_data, 1, strlen(test_data), fd);
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wlen = flen(fd);
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fclose(fd);
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printf("write file len: %d \n", wlen);
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}
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//2.读取文件
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fd = fopen(CONFIG_ROOT_PATH"111/test.txt", "r");
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if (fd) {
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rlen = flen(fd);//获取整个文件大小
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fread(read_buf, 1, rlen, fd);
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fclose(fd);
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printf("read file : %s rlen : %d\n", read_buf, rlen);
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}
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//3.创建目录storage/sd0/C/222,并将storage/sd0/C/111/test.txt文件移动过来
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ret = fmk_dir(CONFIG_ROOT_PATH, "/222", 0);
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if (!ret) {
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fd = fopen(CONFIG_ROOT_PATH"111/test.txt", "r");
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if (fd) {
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ret = fmove(fd, "/222/", &newFile, 0, 5); //第二个参数是目标目录，由根目录开始，比如目录是storage/sd0/C/222，则填/222/
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}
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if (newFile) {
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memset(read_buf, 0, sizeof(read_buf));
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rlen = flen(newFile);
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fread(read_buf, 1, rlen, newFile);
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fclose(newFile);
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printf("move read file : %s rlen : %d\n", read_buf, rlen);
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}
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}
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while (1) {
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os_time_dly(2);
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}
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}
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static int c_main(void)
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{
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os_task_create(sd_fs_test, NULL, 12, 1000, 0, "sd_fs_test");
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return 0;
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}
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late_initcall(c_main);
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#endif
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