【FRDM-KL46Z试用体验】+MAG3110读得数据貌似不对

#include "mbed.h"
#include "MAG3110.h"
MAG3110 mag(PTE25, PTE24); 
Serial pc(USBTX, USBRX);
int main(void)
{   
    int magX = 0, magY = 0, magZ = 0;   
    mag.begin();
    pc.printf("MGA3110 ID: %x\r\n", mag.readReg(MAG_WHO_AM_I));  
    while(true)
    {    
        mag.getValues(&magX, &magY, &magZ);
         wait(0.1f);
        pc.printf("magX: %d, magY: %d, magZ: %d\r\n",magX,magY, magZ);
    }
    }