Introduction - If you have any usage issues, please Google them yourself
qq2440 non-operating test code, including the serial port. LCD screen. ADC, USB, RTC, IIC, DMA, and other operations, the number of large, in other sites can not be found, is to learn a good ARM rare material. Suggest that you in a familiar on the basis of this code can be rewritten in order to try and cooked refining this content.