Let blinking time interval more longer
Port lcd driver from zxc2694/stm32f4_GPIO, not finished
In next few commits, I will port LCD display function
to RTC demo.
Ref:https://github.com/zxc2694/stm32f4_GPIO
Add LCD GPIO Initialization function
Enable to compile lcd.c
Port LCD task
LCD will show time when auto wake up event happened
I'm not sure the binary data is correct or not.
Need to test it.