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  Topic: (FIXED) need help on SPI interface 16F877A with 25LC640
avitron

Replies: 5
Views: 8640

PostForum: General CCS C Discussion   Posted: Mon Apr 22, 2013 6:04 pm   Subject: from CCS support (Apr 22)
This message is a reply to CCS e-mail id: 3DM558

The problem you reported has been fixed and will be in the
next compiler release.
  Topic: (FIXED) need help on SPI interface 16F877A with 25LC640
avitron

Replies: 5
Views: 8640

PostForum: General CCS C Discussion   Posted: Wed Apr 17, 2013 5:41 pm   Subject: (FIXED) need help on SPI interface 16F877A with 25LC640
Sorry for everyone reading my post.

Here, I'm not intend to rise any argument between Proteus vs CCS.

I understand CCS codes will work on the real HW. And, I appreciated any one who contributed ...
  Topic: (FIXED) need help on SPI interface 16F877A with 25LC640
avitron

Replies: 5
Views: 8640

PostForum: General CCS C Discussion   Posted: Wed Apr 17, 2013 4:31 pm   Subject: SOLUTION FOUND
Only for simulation purpose, do it in real HW.

According to Ettore Arena from Labcenter Electronic:


... that's a problem with the CCS compiler optimizer not Proteus! Add the directive #OPT 0 j ...
  Topic: (FIXED) need help on SPI interface 16F877A with 25LC640
avitron

Replies: 5
Views: 8640

PostForum: General CCS C Discussion   Posted: Tue Apr 16, 2013 5:49 pm   Subject: (FIXED) need help on SPI interface 16F877A with 25LC640
Could any one help me to find why my Proteus simulation circuit not working ? The data can not write in the EEPROM, no data can be retrieved from EEPROM.

My CCS program compiled without any error. ...
 
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