void Enable_LLWU(void)
{
// Enables LLWU interrupt
xIntEnable(INT_LLWU);
/* Initialization of the LLWU module */
LLWU_PE1 = 0;
LLWU_PE2 = 0;
LLWU_PE3 = 0;
LLWU_PE4 = 0x20;
/* LLWU_ME: WUME7=0,WUME5=0,WUME4=0,WUME1=0,WUME0=1 */
LLWU_ME = (uint8_t)((LLWU_ME & (uint8_t)~(uint8_t)(
LLWU_ME_WUME7_MASK |
LLWU_ME_WUME5_MASK |
LLWU_ME_WUME4_MASK |
LLWU_ME_WUME1_MASK
)) | (uint8_t)(
LLWU_ME_WUME0_MASK
));
/* LLWU_FILT1: FILTF=1,FILTE=0,??=0,FILTSEL=0 */
LLWU_FILT1 = LLWU_FILT1_FILTF_MASK |
LLWU_FILT1_FILTE(0x00) |
LLWU_FILT1_FILTSEL(0x00);
/* LLWU_FILT2: FILTF=1,FILTE=0,??=0,FILTSEL=0 */
LLWU_FILT2 = LLWU_FILT2_FILTF_MASK |
LLWU_FILT2_FILTE(0x00) |
LLWU_FILT2_FILTSEL(0x00);
}
void llwu_configure_filter(unsigned int wu_pin_num, unsigned char filter_en, unsigned char rise_fall )
{
//wu_pin_num is the pin number to be written to FILTSEL. wu_pin_num is not the same as pin_en.
uint8 temp;
LLWU_Info("\n\rEnabling Filter %x on WU Pin %x for WU sense %x \n",filter_en, wu_pin_num, rise_fall);
temp = 0;
//first clear filter values and clear flag by writing a 1
LLWU_FILT1 = LLWU_FILT1_FILTF_MASK;
LLWU_FILT2 = LLWU_FILT2_FILTF_MASK;
if(filter_en == 1)
{
//clear the flag bit and set the others
temp |= (LLWU_FILT1_FILTF_MASK) | (LLWU_FILT1_FILTE(rise_fall) | LLWU_FILT1_FILTSEL(wu_pin_num));
LLWU_FILT1 = temp;
}else if (filter_en == 2)
{
//clear the flag bit and set the others
temp |= (LLWU_FILT2_FILTF_MASK) | (LLWU_FILT2_FILTE(rise_fall) | LLWU_FILT2_FILTSEL(wu_pin_num));
LLWU_FILT2 = temp;
}else
{
LLWU_Info("\n\rError - invalid filter number\n");
}
}
/*******************************************************************************
*
* llwu_configure_filter -
*
*******************************************************************************/
void llwu_configure_filter(unsigned int wu_pin_num, unsigned char filter_en, unsigned char rise_fall ) {
//wu_pin_num is the pin number to be written to FILTSEL. wu_pin_num is not the same as pin_en.
uint8_t temp;
temp = 0;
//first clear filter values and clear flag by writing a 1
LLWU_FILT1 = LLWU_FILT1_FILTF_MASK;
LLWU_FILT2 = LLWU_FILT2_FILTF_MASK;
if(filter_en == 1) {
//clear the flag bit and set the others
temp |= (LLWU_FILT1_FILTF_MASK) | (LLWU_FILT1_FILTE(rise_fall) | LLWU_FILT1_FILTSEL(wu_pin_num));
LLWU_FILT1 = temp;
}else if (filter_en == 2) {
//clear the flag bit and set the others
temp |= (LLWU_FILT2_FILTF_MASK) | (LLWU_FILT2_FILTE(rise_fall) | LLWU_FILT2_FILTSEL(wu_pin_num));
LLWU_FILT2 = temp;
}else {
}
}
