please say, how to write data to uart using wip.fcm, the metod :write convert my data to string and send to uart ((( i need write data to uart with out convertion to string, how to do it ??

I found next trouble in fcm event

i set hook on fcm events ‘READ’,‘WRITE’, ‘ERROR’ and send data from pc to the fcm, fcm event generated somme time and stop generated.