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Small fixes.
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@ -21,7 +21,7 @@
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`endif
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`endif
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module blink (
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module top (
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// 48MHz Clock input
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// --------
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input clki,
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@ -57,7 +57,7 @@ module blink (
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.GLOBAL_BUFFER_OUTPUT(clkosc)
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);
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assign clk = clkosc;
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wire clk = clkosc;
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// Configure user pins so that we can detect the user connecting
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// 1-2 or 3-4 with conductive material.
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@ -127,6 +127,19 @@ module blink (
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outcnt <= counter >> LOG2DELAY;
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end
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// Instantiate iCE40 LED driver hard logic, connecting up
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// latched button state, counter state, and LEDs.
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SB_RGBA_DRV RGBA_DRIVER (
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.CURREN(1'b1),
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.RGBLEDEN(1'b1),
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.`BLUEPWM(enable_blue), // Blue
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.`REDPWM(enable_red), // Red
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.`GREENPWM(counter[23]), // Green (blinking)
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.RGB0(rgb0),
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.RGB1(rgb1),
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.RGB2(rgb2)
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);
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// Parameters from iCE40 UltraPlus LED Driver Usage Guide, pages 19-20
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//
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// https://www.latticesemi.com/-/media/LatticeSemi/Documents/ApplicationNotes/IK/ICE40LEDDriverUsageGuide.ashx?document_id=50668
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@ -141,24 +154,11 @@ module blink (
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localparam RGBA_CURRENT_20MA_10MA = "0b011111";
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localparam RGBA_CURRENT_24MA_12MA = "0b111111";
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// Instantiate iCE40 LED driver hard logic, connecting up
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// latched button state, counter state, and LEDs.
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SB_RGBA_DRV RGBA_DRIVER (
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.CURREN(1'b1),
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.RGBLEDEN(1'b1),
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.`BLUEPWM(enable_blue), // Blue
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.`REDPWM(enable_red), // Red
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.`GREENPWM(counter[23]), // Green (blinking)
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.RGB0(rgb0),
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.RGB1(rgb1),
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.RGB2(rgb2)
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);
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// Set parameters of RGBA_DRIVER (output current)
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//
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// Mapping of RGBn to LED colours determined experimentally
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defparam RGBA_DRIVER.CURRENT_MODE = RGBA_CURRENT_MODE_HALF;
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defparam RGBA_DRIVER.RGB0_CURRENT = RGBA_CURRENT_16MA_06MA; // Blue - Needs more current.
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defparam RGBA_DRIVER.RGB0_CURRENT = RGBA_CURRENT_16MA_08MA; // Blue - Needs more current.
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defparam RGBA_DRIVER.RGB1_CURRENT = RGBA_CURRENT_08MA_04MA; // Red
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defparam RGBA_DRIVER.RGB2_CURRENT = RGBA_CURRENT_08MA_04MA; // Green
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