1.4.4.3 OSC32KCTRL_CallbackRegister Function

C

void OSC32KCTRL_CallbackRegister (OSC32KCTRL_CFD_CALLBACK callback,
uintptr_t context);

Summary

Register the function to be called when the 32KHz External Oscillator has failed.

Description

This function register the function to be called when the 32KHz External Oscillator has failed.

Precondition

The 32KHz External Oscillator should have been configured in MHC and enabled.

Parameters


Param	Description
callback	Pointer to the OSC32KCTRL_CFD_CALLBACK type of function that will be called when a clock failure is detected. This can be NULL, in which case no callback will be generated.
context	Context value to be passed into the callback function when it called.

Returns

None.

Example

void MyOscillatorFailureCallback (uintptr_t context )
{
    // This means the 32KHz clock has failed.
}

// Register the callback function. Specify the context as NULL.
OSC32KCTRL_CallbackRegister(MyOscillatorFailureCallback, (uintptr_t)NULL);

Remarks

None.