杰理之文件系统时间必须在open文件之前【篇】

//文件系统时间必须在open文件之前 fat_set_datetime_info(2025,10,30,9,50,34); recorder->file = fopen(fname, "w+"); if (!recorder->file) { printf("open file %s faild\n", fname); return NULL; } jlstream_set_enc_file(recorder->stream, recorder, &recorder_fops); printf("open file %s suss\n", fname); struct vfs_attr attr; struct sys_time time; //获取文件属性 fget_attrs(recorder->file,&attr); time=attr.crt_time; r_printf("crt_time attr :%d %d %d %d %d %d",time.year,time.month,time.day, time.hour,time.min,time.sec ); time=attr.wrt_time; g_printf("wrt_time attr :%d %d %d %d %d %d",time.year,time.month,time.day, time.hour,time.min,time.sec ); time=attr.acc_time;//fat文件系统没有acc属性 数据错误可以忽略 y_printf("acc_time attr :%d %d %d %d %d %d",time.year,time.month,time.day, time.hour,time.min,time.sec );