【Demo】707 fat长文件名fopen_frename

📎 原始文档：https://www.kdocs.cn/l/cfglsqQvPgeU 【Demo】707 fat长文件名fopen/frename

Demo下载

最新版本信息：无
补丁版本信息：无

功能介绍

功能使用说明：

707 fat32文件系统，使用到长文件名格式的参考demo，fopen/frename

资源占用说明：无
涉及工具说明：无

开发流程

开发流程图
硬件接线图
软件修改...
FAT32短命名格式支持8+3，支持长命名，但是需要遵循\U+名称unicode码格式
参考以下demo：

void long_fopen_rename_test()
{
    char path[256] = "storage/virfat_flash/C";
    /* char file_path[128] = {'/','M', 'U', 'S', 'I', 'C', 'h', '/', '\\', 'U', 0x61, 0x0, 0x62, 0x0, 0x63, 0x0, 0x64, 0x0, 0x65, 0x0, 0x66, 0x0, 0X67, 0x0, 0x68, 0x0, 0x69, 0, '/', 0, 't', 'e', 's', 't', '.', 'm', 'p' , '3', 0}; */
    /* char file_path[128] = {'/','M', 'U', 'S', 'I', 'C', '/', '\\', 'U', 0x31, 0x0, 0x32, 0x0, 0x33, 0x0, 0x34, 0x0, 0x35, 0x0, 0x36, 0x0, 0X37, 0x0, 0x38, 0x0, 0x39, 0, '/', 0, '\\', 'U', 0x31, 0x0, 0x32, 0x0, 0x33, 0x0, 0x34, 0x0, 0x35, 0x0, 0x36, 0x0, 0X37, 0x0, 0x38, 0x0, 0x39, 0x0, 0x31, 0, 0x32, 0, 0x33, 0, 0x2E, 0x0, 0x6D, 0x0, 0x70, 0x0, 0x33, 0}; */
    /* char file_path[56] = { '\\', 'U', 0x4B, 0x6D, 0xD5, 0x8B, 0x1B, 0x52, 0xFA, 0x5E, 0x7F, 0x95, 0x87, 0x65, 0XF6, 0x4E, 0x0D, 0x54, 0x2E, 0, 0x6D, 0, 0x70, 0, 0x33, 0, '&', '&', 0xB2, 0xE2, 0xCA, 0xD4, 0xB4, 0xB4, 0xBD, 0xA8, 0xB3, 0xA4, 0xCE, 0xC4, 0xBC, 0xFE, 0xC3, 0xFB, 0, 0}; // 测试创建长文件名.mp3 + '&'+ '&' + GBK */
    /* char file_path[56] = { '\\', 'U', 0x4B, 0x6D, 0xD5, 0x8B, 0x1B, 0x52, 0xFA, 0x5E, 0x7F, 0x95, 0x87, 0x65, 0XF6, 0x4E, 0x0D, 0x54, 0x2E, 0, 0x74, 0, 0x78, 0, 0x74, 0, '&', '&', 0xB2, 0xE2, 0xCA, 0xD4, 0xB4, 0xB4, 0xBD, 0xA8, 0xB3, 0xA4, 0xCE, 0xC4, 0xBC, 0xFE, 0xC3, 0xFB, 0, 0}; // 测试创建长文件名.txt + '&'+ '&' + GBK */
    /* char file_path[56] = { '\\', 'U', 0x4B, 0x6D, 0xD5, 0x8B, 0x1B, 0x52, 0xFA, 0x5E, 0x7F, 0x95, 0x87, 0x65, 0XF6, 0x4E, 0x0D, 0x54, 0x2E, 0, 0x74, 0, 0x78, 0, 0x74, 0}; // 测试创建长文件名.txt */
    char file_path[56] = { '\\', 'U', 0x60, 0x4F, 0x7D, 0x59, 0x40, 0x54, 0x2E, 0, 0x6D, 0, 0x70, 0, 0x33, 0}; //你好呀.mp3
    /* char file_path[56] = {0xB1, 0xA6, 0xB1, 0xA6, 0xBF, 0xDE, 0xC1, 0xCB, 0x2E, 0x74, 0x78, 0x74, 0}; // 测试创建长文件名.txt */
    /* char file_path[] = {'/','\\', 'U', 0xD9, 0x8F, 0x2A, 0x4E, 0x8e, 0x7f, 0x7d,0x59,0x84,0x76,0x1f,0x75,0x3b,0x6d,0x2D,0x00,0x81,0x68,0xE5,0x5D,0x2E, 0x0, 0x6D, 0x0, 0x70, 0x0, 0x33, 0}; // 这个美好的生活-梁工.mp3   */
    /* char file_path[128] = {'/', '\\', 'U', 0xD9, 0x8F, 0x16, 0x4E, 0x4C, 0x75, 0x1F, 0x77, 0x27, 0x59, 0x2D, 0x00, 0x81, 0x68, 0xE5, 0x5D, 0x2E, 0x0, 0x6D, 0x0, 0x70, 0x0, 0x33, 0}; // 123.mp3 */
    // char file_path[128] = {'/', '\\', 'U', 0x31, 0x0, 0x32, 0x0, 0x33, 0x0, 0x34, 0x0, 0x35, 0x0, 0x36, 0x0, 0X37, 0x0, 0x38, 0x0, 0x39, 0x0, 0x31, 0, 0x32, 0, 0x33, 0, 0x2E, 0x0, 0x6D, 0x0, 0x70, 0x0, 0x33, 0};
    memcpy(path + strlen(path), file_path, sizeof(file_path));

    FILE *file = fopen("storage/virfat_flash/C/music123.txt", "w+");
    /* FILE *file = fopen(path, "r"); */
    if (file == NULL) {
        r_printf(">>>[test]:open errrr!!!!!\n");
    }
    fclose(file);
    file = NULL;
    file = fopen("storage/virfat_flash/C/music123.txt", "r");
    int err = frename(file, file_path);
    // int err = frename(file, "3444.txt");
    if (err == 0) {
        y_printf(">>>[test]:okk!!!!!!!!!!!\n");
    } else {
        y_printf(">>>[test]:error!!!!!!!!!!!\n");
    }
    fclose(file);
    file = NULL;
    file = fopen(path, "r");
    if(file == NULL){
        printf("file open err\n");
    }else{
        printf("file open succ\n");
    }
}