tillitis-key/hw/boards/mta1-usb-dev/test/int_test/top.v

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2022-09-19 02:51:11 -04:00
module top (
input INT_CLOCK,
output reg HOST_SS,
input HOST_SCK,
output reg HOST_MOSI,
input HOST_MISO,
output reg HOST_EXTRA1,
input HOST_EXTRA2,
output reg HOST_EXTRA3,
input HOST_EXTRA4,
output reg HOST_EXTRA5,
input HOST_EXTRA6,
output reg HOST_EXTRA7,
input HOST_EXTRA8,
output reg HOST_EXTRA9,
input HOST_EXTRA10,
output INT_GPIO1,
output INT_GPIO2,
output INT_GPIO3,
output INT_GPIO4,
output RGB0,
output RGB1,
output RGB2
);
//############ Feedback test ############################################
always @(posedge INT_CLOCK) begin
HOST_SS <= ~HOST_SS;
end
always @(posedge HOST_SCK) begin
HOST_MOSI <= ~HOST_MOSI;
end
always @(posedge HOST_MISO) begin
HOST_EXTRA1 <= ~HOST_EXTRA1;
end
always @(posedge HOST_EXTRA2) begin
HOST_EXTRA3 <= ~HOST_EXTRA3;
end
always @(posedge HOST_EXTRA4) begin
HOST_EXTRA5 <= ~HOST_EXTRA5;
end
always @(posedge HOST_EXTRA6) begin
HOST_EXTRA7 <= ~HOST_EXTRA7;
end
always @(posedge HOST_EXTRA8) begin
HOST_EXTRA9 <= ~HOST_EXTRA9;
end
reg [10:0] slow_led;
always @(posedge HOST_EXTRA10) begin
slow_led <= slow_led + 1;
end
SB_RGBA_DRV #(
.CURRENT_MODE("0b1"), // half-current mode
.RGB0_CURRENT("0b000001"), // 2 mA
.RGB1_CURRENT("0b000001"), // 2 mA
.RGB2_CURRENT("0b000001") // 2 mA
) RGBA_DRV (
.RGB0(RGB0),
.RGB1(RGB1),
.RGB2(RGB2),
.RGBLEDEN(1'b1),
.RGB0PWM(slow_led[10]),
.RGB1PWM(slow_led[9]),
.RGB2PWM(slow_led[8]),
.CURREN(1'b1)
);
//############ Clock / Reset ############################################
wire clk;
// Configure the HFOSC
SB_HFOSC #(
.CLKHF_DIV("0b01") // 00: 48MHz, 01: 24MHz, 10: 12MHz, 11: 6MHz
) u_hfosc (
.CLKHFPU(1'b1),
.CLKHFEN(1'b1),
.CLKHF(clk)
);
//############ GPIO tests ###############################################
assign INT_GPIO1 = clk;
assign INT_GPIO2 = INT_CLOCK;
assign INT_GPIO3 = HOST_EXTRA8;
assign INT_GPIO4 = HOST_EXTRA10;
endmodule