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Add WS2812 support #1

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Merged
hydra merged 4 commits into from
Jun 14, 2026
Merged

Add WS2812 support #1

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454be50
WS2812 - RGB led support.
hydra Jun 11, 2026
8dcf74f
Add ws2812 support to firmware.
hydra Jun 12, 2026
ad7e918
add trace logging to write_block_u32_chunked
hydra Jun 14, 2026
b238afd
rotate the port rgb leds in a sequence.
hydra Jun 14, 2026
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4 changes: 4 additions & 0 deletions firmware/firmware-makerpnpcontrolcore/fpga/pins.pcf
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Original file line number Diff line number Diff line change
Expand Up @@ -87,3 +87,7 @@ set_io ENCODER_Y[0] F5
set_io ENCODER_Z[2] E2
set_io ENCODER_Z[1] R6
set_io ENCODER_Z[0] F4

### WS2812 outputs
set_io RGB_PORTS M11
set_io RGB_UP_CAM D3
52 changes: 52 additions & 0 deletions firmware/firmware-makerpnpcontrolcore/fpga/src/main/core_top.v
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,8 @@ module core_top (
output wire FPGA_ACT, // LED 2

output wire BUZZER, // Buzzer
output wire RGB_PORTS,
output wire RGB_UP_CAM,

output wire [15:0] LA_IO,

Expand Down Expand Up @@ -68,6 +70,16 @@ module core_top (
wire [31:0] io_dout;
wire io_we;

wire [5:0] ws0_addr;
wire [31:0] ws0_din;
wire [31:0] ws0_dout;
wire ws0_we;

wire [5:0] ws1_addr;
wire [31:0] ws1_din;
wire [31:0] ws1_dout;
wire ws1_we;

wire [5:0] buzzer_addr;
wire [31:0] buzzer_din;
wire [31:0] buzzer_dout;
Expand Down Expand Up @@ -191,6 +203,36 @@ module core_top (
.debug(encoder_debug)
);

// ----------------------
// WS2812 - on-board LEDs
// ----------------------
ws2812 ws2812_0_inst (
.sys_clk(clk_100),
.reset(reset),

.bus_we(ws0_we),
.bus_addr(ws0_addr),
.bus_din(ws0_din),
.bus_dout(ws0_dout),

.ws_out(RGB_PORTS)
);

// ----------------------
// WS2812 - Up-camera / Head / Work LEDs
// ----------------------
ws2812 ws2812_1_inst (
.sys_clk(clk_100),
.reset(reset),

.bus_we(ws1_we),
.bus_addr(ws1_addr),
.bus_din(ws1_din),
.bus_dout(ws1_dout),

.ws_out(RGB_UP_CAM)
);

// ----------------------
// Instantiate Central Address Decoder
// ----------------------
Expand Down Expand Up @@ -219,6 +261,16 @@ module core_top (
.io_din(io_din),
.io_dout(io_dout),

.ws0_we(ws0_we),
.ws0_addr(ws0_addr),
.ws0_din(ws0_din),
.ws0_dout(ws0_dout),

.ws1_we(ws1_we),
.ws1_addr(ws1_addr),
.ws1_din(ws1_din),
.ws1_dout(ws1_dout),

.buzzer_we(buzzer_we),
.buzzer_addr(buzzer_addr),
.buzzer_din(buzzer_din),
Expand Down
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