#include //i2c #include #include #include #include #include "htu21d.h" // Reset function int i2cReset(int fd){ if(ioctl(fd, I2C_SLAVE, ADDR)<0){ perror("Failed to open the I2C bus; reset\n"); return -1; } i2c_smbus_write_byte(fd, RESET); return 0; } // temperature // humidity