bugAVR C Runtime Library - Bugs: bug #38516, Missing TWI and UCSR1D definitions...

 
 

You are not allowed to post comments on this tracker with your current authentication level.

bug #38516: Missing TWI and UCSR1D definitions for ATmega16/32 U4

Submitter:  None
Submitted:  Thu 14 Mar 2013 02:00:40 PM UTC
   
 
Category:  Header Severity:  3 - Normal
Priority:  5 - Normal Item Group:  libc code
Status:  Fixed Assigned to:  pitchumani
Percent Complete:  0% Originator Email:  -email is unavailable-
Open/Closed:  Open Release:  1.8.0
Fixed Release:  None

Thu 20 Mar 2014 09:01:01 AM UTC, comment #2: 

Below TWI register definitions also missing in iom16u4.h
TWBR, TWSR, TWAR, TWDR, TWAMR

UCSR1D register definition also missing in iom16u4.h

Patch attached by Morten fixes this.

Pitchumani <pitchumani>
Group Member
Thu 14 Mar 2013 07:49:26 PM UTC, comment #1: 

Comparing to datasheet the definitions are incomplete.
I will send a patch.

Pasi Heinonen <pasihe>
Thu 14 Mar 2013 02:00:40 PM UTC, original submission:  


avr/iom16u4.h does not contain TWI Control register addresses and bits definitions.
 
#define TWCR    _SFR_IO8(0x36)
#define TWIE    0
#define TWEN    2
#define TWWC    3
#define TWSTO   4
#define TWSTA   5
#define TWEA    6
#define TWINT   7

Anonymous

 

(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

Attached Files
file #30860:  DEVXML-176_iom16u4-twi.patch added by None (1KiB - application/octet-stream - Patch from Atmel)

 

Depends on the following items: None found

Items that depend on this one: None found

 

Carbon-Copy List
  • -email is unavailable- added by pitchumani (Updated the item)
  • -email is unavailable- added by pasihe (Posted a comment)
  • -email is unavailable- added by None (Submitted the item)
  •  

    Follow 6 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2014-03-20 pitchumani StatusIn Progress Fixed
        SummaryMissing TWI and UCSR1D definitions for ATmega16U4 in avr/iom16u4.h Missing TWI and UCSR1D definitions for ATmega16/32 U4
    2014-03-20 pitchumani SummaryMissing TWI definitions for ATmega16U4 in avr/iom16u4.h Missing TWI and UCSR1D definitions for ATmega16U4 in avr/iom16u4.h
    2014-03-20 pitchumani StatusNone In Progress
        Assigned toNone pitchumani
    2014-03-11 None Attached File- Added DEVXML-176_iom16u4-twi.patch, #30860

    Back to the top

    Powered by Savane 3.13-f8d8.
    Corresponding source code