Please input a number 1 : Memory test 2 : Timer PWM test ( Beep ) 3 : IIC EEPROM test 4 : ADC test

STM32通用的一个硬件测试程序，可以测试IO输入输出；电机PWM驱动，DS18B20读写等。编译环境IAR 6.3 .-STM32 common hardware test procedures, test IO input and output PWM motor drive, DS18B20 read and write. Compiler environment IAR 6.3.