stm32F10x 的源代码，包括adc,key,cd,i2c-stm32F10x source code, including adc, key, cd, i2c

cypress蓝牙芯片开发代码，实现芯片内部ADC采集功能-This project demonstrates measurements of the battery voltage using internal ADC and notifies the Bluetooth central device of any change in the battery voltage.