STM32-7SEG-LED-SCAN

代码说明：

  8位数码管动态扫描显示实验(显示不用库函数) *显示用指针直接访问GPIO端口的输出寄存器，形式GPIOD->ODR *延时delay_nms(5)时，显示不闪烁 *74HC138 A--P2.2--PE.0 B--P2.3--PE.1 C--P2.4--PE.2 *74HC573 D0~D7---PD[0..7] LE---PE.3 *by 追梦 2011-4-3(8-bit digital dynamic scan showed that the experimental (show no library function)* Display a pointer to directly access GPIO port output register, form GPIOD-> ODR* delay delay_nms (5), the display does not blink* 74HC138 A- P2. 2- PE.0 B- P2.3- PE.1 C- P2.4- PE.2* 74HC573 D0 ~ D7--- PD [0 .. 7] LE--- PE.3* by Dream 2011-4-3)