use SPI slave

diff --git a/i2c.v b/i2c.v
index 6c04494..493b2df 100644 (file)
--- a/i2c.v
+++ b/i2c.v
@@ -1,5 +1,6 @@
 `include "i2c_bridge.v"
 `include "ecp5pll.sv"
+`include "SPI_slave.v"
 
 module top(
        input clk,
@@ -16,10 +17,14 @@ module top(
        output exp_pin_5, exp_pin_6,
        output exp_pin_7, exp_pin_8,
 
+       input spi_sclk, spi_mosi, spi_cs0,
+       output spi_miso,
+
        output green_led_d7,
        output orange_led_d8,
        output red_led_d5,
        output yellow_led_d6
+
 );
 
        wire [3:0] clocks;
@@ -46,11 +51,16 @@ module top(
        assign exp_pin_4 = rtc_scl;
        assign exp_pin_8 = rtc_sda;
 
+/*
        assign green_led_d7  = rtc_scl;
        assign orange_led_d8 = rtc_sda;
        assign red_led_d5    = tuner_scl;
        assign yellow_led_d6 = tuner_sda;
-
+*/
+       assign green_led_d7  = 0;
+       assign orange_led_d8 = 0;
+       //assign red_led_d5    = tuner_scl;
+       assign yellow_led_d6 = 0;
 
   localparam bridge_clk_div = 3; // div = 1+2^n, 24/(1+2^2)=4 MHz
   reg [bridge_clk_div:0] bridge_cnt;
@@ -87,4 +97,14 @@ module top(
   assign rtc_scl = i2c_scl_t[1] ? 1'bz : 1'b0;
   assign tuner_scl = i2c_scl_t[0] ? 1'bz : 1'b0;
 
+
+       SPI_slave SPI_slave(
+               .clk(clk),
+               .SCK(spi_sclk),
+               .MOSI(spi_mosi),
+               .MISO(spi_miso),
+               .SSEL(spi_cs0),
+               .LED(red_led_d5)
+       );
+
 endmodule