wire.read()< < 8 | wire.read()做什么? while(Wire.available() < 14);
until all the bytes are received
acc_x = Wire.read()<<8|Wire.read();
acc_y = Wire.read()<<8|Wire.read();
// How does this program work with ternary operator
#include <stdio.h>
int main()
{
int x = 2, y = 5;
(x & y) ? printf("True ") : printf("False "); // How do we get output
(x && y) ?