对S3C44B0X进行全方面的测试实验用例-S3C44B0X wide area of the experimental test cases

Use EM78447 to implement the test cases for EMVCo Type Approval.

S3C2440的PWM定时器的驱动，并写了2个测试实例，一个是PWM驱动蜂鸣器不通的频率叫，一个是纯定时功能。已在真机通过测试。-The PWM timers of the drive S3C2440, and wrote two test cases, one is the frequency of PWM drive buzzer barrier called a pure timing. Has been tested in the real machine.

第一次学习STM32F系列单片机是自己根据网上案例自己修改得到，通过测试，可以点亮OLED屏。-First learning STM32F microcontroller series is based on their own medium cases make changes to get through the test, you can light up OLED screen.