Si4010-DK

14

Rev. 0.1

If we disable the C2 interface when the device is not connected to the IDE chain, and before the LED is turned off

when lit, then there will not be the GPIO4 problem. To do that the user must add the following function to the user

application to turn the LED on.

C function to turn the LED on:

/*

*------------------------------------------------------------------------------

*

*

INCLUDES:

*/

#include "si4010.h"

/*

*==============================================================================

*

*

VISIBLE FUNCTIONS:

*/

void

vLedOn

(

void

)

/*-------------------------------------------------------------

*

*

FUNCTION DESCRIPTION:

*

Turn LED on with disabling of the C2.

*

The C2 is disabled only if the part is not connected

*

to the IDE debugging chain.

*

*-------------------------------------------------------------

*/

{

/*

*-------------------------------------------------------------

*

VARIABLES:

*-------------------------------------------------------------

*/

GPIO_LED = 1;

if ( 0 != (RBIT_DATA & M_GPIO_LED_DRIVE) )

{

PROT0_CTRL |= M_C2_OFF;

}

}