In message 358544.69311.qm@web15602.mail.cnb.yahoo.com you wrote:

  In the file Env_flash.c ,there is a function as

There is no such file. The file name is "env_flash.c". Case is significant!

#ifdef CFG_ENV_ADDR_REDUND int env_init(void) { DECLARE_GLOBAL_DATA_PTR; ... }

This must be a very, very old version of the code. That bug has been fixed long ago.

What's CFG_ENV_ADDR_REDUND mean?on which condition the function env_init(void) works. and I want to know when env store in flash,where to store,and how to store the env and how can i get it from flash

May I suggest you start reading the documentation, such as the README?

--0-1753388716-1179381204=:69311 Content-Type: text/html; charset=gb2312 Content-Transfer-Encoding: 8bit

And never post HTML here.

Best regards,

Wolfgang Denk