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[avr-libc-dev] [bug #31873] power_aes_enable/disable() are commented in


From: Anitha Boyapati
Subject: [avr-libc-dev] [bug #31873] power_aes_enable/disable() are commented in power.h for xmega devices
Date: Tue, 14 Dec 2010 06:53:22 +0000
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.12) Gecko/20101026 Firefox/3.6.12

URL:
  <http://savannah.nongnu.org/bugs/?31873>

                 Summary: power_aes_enable/disable() are commented in power.h
for xmega devices
                 Project: AVR C Runtime Library
            Submitted by: aboyapati
            Submitted on: Tue 14 Dec 2010 06:53:21 AM GMT
                Category: Header
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Header files
                  Status: None
        Percent Complete: 0%
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 1.7.0
           Fixed Release: None

    _______________________________________________________

Details:


For all Xmega devices, support for power_aes_enable() and power_aes_disable()
were commented in power.h.

#if defined(__AVR_ATxmega16A4__) \
|| defined(__AVR_ATxmega16D4__) \
...
|| defined(__AVR_ATxmega256A3__) \
|| defined(__AVR_ATxmega256A3B__)

/*
#define power_aes_enable()  (PR_PR &= (uint8_t)~(PR_AES_bm))
#define power_aes_disable() (PR_PR |= (uint8_t)PR_AES_bm)
*/


Xmega A reference manual (Section 8.6) clearly defines Power Reduction
Registers and AES bit.

http://www.atmel.com/dyn/resources/prod_documents/doc8077.pdf





    _______________________________________________________

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