1-Lcd init
2-Delay function c and header file
3-Set pull down function
4-lcd.h
1- Button decrement function
2- Lcd display string at certain row and column
3- send command to the lcd
4- set pull up resistance for a pin
5- header file of button driver
1- Lcd clear screen
2- LCD display character
3- MCAL.h header file
4-Button reset
5-Port init
6-Port_pinsetdirection
1- LCD integer to string
2- itoa function
3-DIO_readport
4-Dio_writePort
5- DIO_FlipPort
1-Button increment
2-LCD_displayString
3-LCD_goToRowColumn.c
main function is shared between us