I am using LCD module 16 by 2 as 4 bit mode. i am using GPIOA - pin0 is connected to lcd dataline DB4 & so on. rs & en pin is connected to an same GPIOA at GPIO pin 4, 5, 6. the problem am facing is LCD Showing only continuous shifting cursor & getting some garbage on 1 row of lcd. i am using stm32f030 MCU.
