modules/c/ds18b20.c
@@ -9,8 +9,20 @@ * Author: Guo Wenxue <guowenxue@gmail.com> * ChangeLog: 1, Release initial version on "2018/10/14 12:13:26" * * * Pin connection: * * vcc --- #Pin1 ( 3.3v ) * DQ --- #Pin7 (BCM GPIO4) * GND --- #Pin9 ( GND ) * * /boot/config.txt: * * dtoverlay=w1-gpio-pullup,gpiopin=4 * ********************************************************************************/ #include <stdio.h> #include <stdlib.h> #include <unistd.h>
