PCF8563的驱动程序，使用stm32硬件I2CC口线实现。含日期时间有效性判断函数，星期计算函数。 -PCF8563 driver to use the hardware I2C port stm32 Line. Time to judge the effectiveness of including the date of function, function of weeks.

Use stm32 to read mpu6050 module data, communication format is i2c