40 pin gpio connector

hi this is an interfacing between lcd and a keypad. am i doing it right? then this will be done in nios II

this is the code generated using qsys plus a code for keypad from tear086

//=======================================================

// This code is generated by Terasic System Builder

//=======================================================

module testingx(

//////////// CLOCK //////////

CLOCK_50,

CLOCK2_50,

CLOCK3_50,

//////////// LED //////////

LEDG,

LEDR,

//////////// KEY //////////

KEY,

//////////// EX_IO //////////

EX_IO,

//////////// SW //////////

SW,

//////////// LCD //////////

LCD_BLON,

LCD_DATA,

LCD_EN,

LCD_ON,

LCD_RS,

LCD_RW,

//////////// GPIO, GPIO connect to GPIO Default //////////

GPIO

);

//=======================================================

// PARAMETER declarations

//=======================================================

//=======================================================

// PORT declarations

//=======================================================

//////////// CLOCK //////////

input CLOCK_50;

input CLOCK2_50;

input CLOCK3_50;

//////////// LED //////////

output [8:0] LEDG;

output [17:0] LEDR;

//////////// KEY //////////

input [3:0] KEY;

//////////// EX_IO //////////

inout [6:0] EX_IO;

//////////// SW //////////

input [17:0] SW;

//////////// LCD //////////

output LCD_BLON;

inout [7:0] LCD_DATA;

output LCD_EN;

output LCD_ON;

output LCD_RS;

output LCD_RW;

//////////// GPIO, GPIO connect to GPIO Default //////////

inout [35:0] GPIO;

//=======================================================

// REG/WIRE declarations

//=======================================================

wire keyboard_val;

matrixKeyboard_drive (

.i_clk(CLOCK_50),

.i_rst_n(1),

.row(GPIO[3:0]), // ???? ?

.col(GPIO[7:4]), // ???? ?

.keyboard_val(keyboard_val) // ???

);

//=======================================================

// Structural coding

//=======================================================

assign LCD_BLON = 1'b1;

assign LCD_ON = 1'b1;

testingX (

.pio_led_external_connection_export(LEDG), // pio_led_external_connection.export

.pio_sw_external_connection_export(SW), // pio_sw_external_connection.export

.lcd_0_external_data(LCD_DATA), // lcd_0_external.data

.lcd_0_external_E(LCD_EN), // .E

.lcd_0_external_RS(LCD_RS), // .RS

.lcd_0_external_RW(LCD_RW), // .RW

.reset_reset_n(1), // reset.reset_n

// pio_in_gpio_external_connection.export

.clk_clk(CLOCK_50), // clk.clk

.pio_out_gpio_solenoid_external_connection_export(GPIO[15:13]), // pio_out_gpio_solenoid_external_connection.export

.pio_out_gpio_buzzer_external_connection_export(GPIO[18:16]) // pio_out_gpio_buzzer_external_connection.export

endmodule