Introduction - If you have any usage issues, please Google them yourself
//Function: 18B20 sequence code detection and temperature of the temperature sensor 1602 Show// Description: Direct calls to header files form 1602, the PA port control data PB456 control RS RW EN 18B20 control port corresponds to the DQ PB3// Note: when 18B20 , equipped with phase-locked loop configuration clock frequency of 10MHz