/* ARM Stripe Verilog Module
   This module provides an interface between the Embedded Stripe
   and the pins it uses. It also uses the module LEDCLOCK.V to
   output a value from the dual-ported RAM onto the LED Clock
   display that should be attached to the IO board.
*/
module main(
	CLK,CLK_REF,
	NRESET,NPOR,
	UARTB_RXD,
	UARTB_DSR_N,
	UARTB_CTS_N,
	UARTB_RI_N,
	UARTB_DCD_N,
	UARTB_TXD,
	UARTB_RTS_N,
	UARTB_DTR_N,
	HDR_ENABLE,
	IOBOARD_B);	

	// LED Display output
	output [15:0]IOBOARD_B;
	
	// Header Enable pin
	output HDR_ENABLE;
	assign HDR_ENABLE = 0;
	
	// Other inputs and outputs related to the ARM Stripe
	input UARTB_RXD,UARTB_DSR_N,UARTB_CTS_N;
	inout UARTB_RI_N,UARTB_DCD_N;
	output UARTB_TXD,UARTB_RTS_N,UARTB_DTR_N;	
	input CLK,CLK_REF;
	inout NRESET;
	input NPOR;
	
	// Dual-Ported RAM pins
	wire dp_clk;
   	wire dp_we;
	wire [12:0]dp_addr;
	wire [15:0]dp_datain;
	wire [15:0]dp_dataout;

	// The ARM Stripe module itself
	arm(CLK_REF,
		NPOR,
		NRESET,
		UARTB_RXD,
		UARTB_DSR_N,
		UARTB_CTS_N,
		UARTB_RI_N,
		UARTB_DCD_N,
		UARTB_TXD,
		UARTB_RTS_N,
		UARTB_DTR_N,
		dp_clk,
		dp_we,
		dp_addr,
		dp_datain,
		dp_dataout);

	// The LED Driver Module
	ledclock(CLK,IOBOARD_B,dp_dataout);

	// Control for dual-ported RAM
	assign dp_clk = CLK;	
	assign dp_we = 0;
	assign dp_addr = 0; // we only need to look at address 0 at the moment

endmodule