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Reset reason on CC2530 using SLEEPSTA register

Jose Faria
Intellectual 510 points

Other Parts Discussed in Thread: CC2530, Z-STACK

Hello forum,

I'm facing problems to discover the reset reason on CC2530 using  SLEEPSTA register.

Regardless the reset is a power on, a watchdog reset or na external reset, the register SLEEPSTA always indicate external reset (value 01 on the corresponding bits).

I use the following macro of Z-Stack Home Automation 1.2.0:

/* Reset reason for reset indication */
#define ResetReason() ((SLEEPSTA >> 3) & 0x03)

Can anyone give ideas about the problem?

Best regards,

Jose

  • 0
    TI__Genius 10650 points
    Hi Jose,

    I tried to reproduce this issue using the Z-Stack Home 1.2.2, I placed following code in the function zclSampleSw_Init() for a coordinator application.

    int resetReason;
    resetReason = ((SLEEPSTA >> 3) & 0x03); //set breakpoint here

    And used the following code to do the watch dog reset on pressing a button, I used key 3:

    if ( keys & HAL_KEY_SW_3 )
    {

    // do a watchdog reset
    st( HAL_DISABLE_INTERRUPTS(); WDCTL = WD_RESET1; WDCTL = WD_RESET2; for(;;); );
    }

    and while debugging using the IAR, I pressed button 3 and after reset when I hit the breakpoint in the zclSampleSw_Init() I see the reset reason to be 2.

    Can you please try this Or explain how you are testing this.

    Regards,
  • 0 in reply to Suyash Jain
    Intellectual 510 points

    Hello Suyash,

    Thanks a lot for your fast answer. 

    The information on my question was not correctly.

    Now I found the problem: the resets I thought that were real resets, were in fact just a jump to address 0x00000 (used SystemResetSoft() of Z-Stack HA 1.2.0 ). So the SLEEPSTA register was not affected.

    Best regards,

    Jose