Write a program that can read a pressed key from the following Keypad $($Figure $1$ Section $14\mathrm{.}9,$ Chapter $14$ in the textbook$).$ You have to use STM$32$L$4$ convention for ARM Cortex$-$M$4$ MCU.

For example, if you are using a Pin PA$1,$ you have to initialize with the required parameters such as modes $($e$.$g$.$ MODER$)$ or I$/$O types $($e$.$g$.$ PUPDR$).$ Examples can be found at the Lecture Notes and a textbook. Moreover, you can use STMCubeMX or any AGI help for initialization.

Also, write assembly code that will integrate a counter, however, input of the counter will be pressed from the Keypad. The counter's initial value should not be a bigger number than a two digit number. The assembly program will count till $99.$

The output will be displayed on an LCD display. Assume simple C library functions for LCD display. For Example, LCD$\_$Display $($counter$).$