1st time using smiley opk need help???

Kristen • Ttc#3. Currently have a 6 year old daughter and 19 month old daughter. Married to my husband may 2014.
I'm confused right now. I woke up this morning very crampy like when I O. Took my opk and 5th day of flashing smiley still. Checked cm and it was very creamy and white like after O and cp was high open and soft.