51单片机IINA219 测电流电压和功率。 #include "LCD1602\LCD1602.h" #include "INA219_DRV\INA219_DRV.h" #include "common\common.h" #define TH0_VALUE 0x4B #define TL0_VALUE 0xFF //50ms per cycle. sbit BtnRefreshMode = P3^2; bit RefreshRate = 0; //0: 0.8s, 1: 0.5s bit