test SPI_slave, don't really work

[trilby-hat-fpga] / i2c.v

diff --git a/i2c.v b/i2c.v
index 079b4e3..88633ac 100644 (file)
--- a/i2c.v
+++ b/i2c.v
@@ -1,4 +1,8 @@
+`default_nettype none
+
 `include "i2c_bridge.v"
+`include "ecp5pll.sv"
+`include "SPI_slave.v"
 
 module top(
        input clk,
@@ -9,16 +13,58 @@ module top(
        inout tuner_sda,
        inout tuner_scl,
 
+       output mhz_16,mhz_96,
+
+       output exp_pin_3, exp_pin_4,
+       output exp_pin_5, exp_pin_6,
+       output exp_pin_7, exp_pin_8,
+
+       input spi_sclk, spi_mosi, spi_cs0,
+       output spi_miso,
+
+       input a2dq2, a2dq3, a2dq4, a2dq5, a2dq6, a2dq7, a2dq8, a2dq9, a2dq10, a2dq11, a2dq12, a2dq13,
+
        output green_led_d7,
        output orange_led_d8,
        output red_led_d5,
        output yellow_led_d6
+
 );
 
-       assign green_led_d7  = 1;
-       assign orange_led_d8 = 1;
-       assign red_led_d5    = 1;
-       assign yellow_led_d6 = 1;
+       wire [3:0] clocks;
+       ecp5pll
+       #(
+               .in_hz(24000000),
+               .out0_hz(16000000),.out0_tol_hz(0) ,
+               .out1_hz(96000000), .out1_deg( 0), .out1_tol_hz(0),
+               .out2_hz(192000000), .out2_deg(0), .out2_tol_hz(0)
+       )
+       ecp5pll_inst
+       (
+               .clk_i(clk),
+               .clk_o(clocks)
+       );
+
+       assign mhz_16 = clocks[0];
+       assign mhz_96 = clocks[1];
+
+/*
+       assign exp_pin_4 = clocks[0];
+       assign exp_pin_8 = clocks[1];
+*/
+       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;
@@ -35,7 +81,7 @@ module top(
   wire [1:0] i2c_sda_t;
   i2c_bridge i2c_sda_bridge_i
   (
-    .clk(clk),
+    .clk(mhz_96),
     .clk_en(clk_bridge_en),
     .i(i2c_sda_i),
     .t(i2c_sda_t)
@@ -55,4 +101,25 @@ 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(clocks[2]),
+               .SCK(spi_sclk),
+               .MOSI(spi_mosi),
+               .MISO(spi_miso),
+               .SSEL(spi_cs0),
+               .LED(red_led_d5),
+               .d0(a2dq2),
+               .d1(a2dq3),
+               .d2(a2dq4),
+               .d3(a2dq5),
+               .d4(a2dq6),
+               .d5(a2dq7),
+               .d6(a2dq8),
+               .d7(a2dq9),
+               .d8(a2dq10),
+               .d9(a2dq11),
+               .d10(a2dq12),
+               .d11(a2dq13),
+       );
+
 endmodule