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Switch from FastLED to Adafruit NeoPixel (more reliable on ESP32-S3 RMT)

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This commit is contained in:
Ashley Strahle
2026-06-23 14:32:19 +00:00
parent 2931571880
commit 5f2ad9ef91
4 changed files with 21 additions and 22 deletions
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include/pixel_stomp_mux.h
+2 -4
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@@ -1,7 +1,7 @@
#pragma once #pragma once
#include <cstdint> #include <cstdint>
#include <FastLED.h> #include <Adafruit_NeoPixel.h>
class PixelStompMux { class PixelStompMux {
public: public:
@@ -29,8 +29,6 @@ private:
uint8_t pin_clk; uint8_t pin_clk;
uint8_t pin_di; uint8_t pin_di;
CRGB leds[NUM_LEDS]; Adafruit_NeoPixel strip;
uint8_t last_button_state; uint8_t last_button_state;
uint8_t shift_in_74hc165();
}; };
platformio.ini
+1 -1
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@@ -8,7 +8,7 @@ framework = arduino
lib_deps = lib_deps =
adafruit/Adafruit TinyUSB Library@^2.0.0 adafruit/Adafruit TinyUSB Library@^2.0.0
fastled/FastLED@^3.9.0 adafruit/Adafruit NeoPixel@^1.12.0
build_flags = build_flags =
-DARDUINO_USB_MODE=1 -DARDUINO_USB_MODE=1
src/led_stub.cpp
+1 -1
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@@ -19,7 +19,7 @@ void DefaultLedStub::set_mux(PixelStompMux* mux) {
} }
void DefaultLedStub::begin() { void DefaultLedStub::begin() {
Serial.println("[LED] Using WS2812C via PixelStomp MUX (FastLED)"); Serial.println("[LED] Using WS2812C via PixelStomp MUX (NeoPixel)");
initialized = true; initialized = true;
if (!mux_ptr) { if (!mux_ptr) {
src/pixel_stomp_mux.cpp
+17 -16
View File
@@ -5,6 +5,7 @@
PixelStompMux::PixelStompMux(uint8_t dat, uint8_t ld, uint8_t clk, uint8_t di) PixelStompMux::PixelStompMux(uint8_t dat, uint8_t ld, uint8_t clk, uint8_t di)
: pin_dat(dat), pin_ld(ld), pin_clk(clk), pin_di(di), : pin_dat(dat), pin_ld(ld), pin_clk(clk), pin_di(di),
strip(NUM_LEDS, dat, NEO_GRB + NEO_KHZ800),
last_button_state(0) { last_button_state(0) {
} }
@@ -18,11 +19,9 @@ void PixelStompMux::begin() {
delay(100); delay(100);
FastLED.addLeds<WS2812, 9, GRB>(leds, NUM_LEDS); strip.begin();
FastLED.setMaxPowerInVoltsAndMilliamps(5, 500); strip.setBrightness(128);
FastLED.setBrightness(128); strip.show();
fill_solid(leds, NUM_LEDS, CRGB::Black);
FastLED.show();
Serial.printf("[MUX] Init DAT=%d LD=%d CLK=%d DI=%d\n", Serial.printf("[MUX] Init DAT=%d LD=%d CLK=%d DI=%d\n",
pin_dat, pin_ld, pin_clk, pin_di); pin_dat, pin_ld, pin_clk, pin_di);
@@ -59,21 +58,23 @@ bool PixelStompMux::is_button_pressed(uint8_t index) {
void PixelStompMux::set_led_color(uint8_t index, uint8_t r, uint8_t g, uint8_t b) { void PixelStompMux::set_led_color(uint8_t index, uint8_t r, uint8_t g, uint8_t b) {
if (index >= NUM_LEDS) return; if (index >= NUM_LEDS) return;
leds[index] = CRGB(r, g, b); strip.setPixelColor(index, r, g, b);
} }
void PixelStompMux::set_led_brightness(uint8_t brightness) { void PixelStompMux::set_led_brightness(uint8_t brightness) {
FastLED.setBrightness(brightness); strip.setBrightness(brightness);
} }
void PixelStompMux::clear_all() { void PixelStompMux::clear_all() {
fill_solid(leds, NUM_LEDS, CRGB::Black); for (int i = 0; i < NUM_LEDS; i++) {
FastLED.show(); strip.setPixelColor(i, 0, 0, 0);
}
strip.show();
Serial.println("[MUX] LEDs cleared"); Serial.println("[MUX] LEDs cleared");
} }
void PixelStompMux::show() { void PixelStompMux::show() {
FastLED.show(); strip.show();
} }
void PixelStompMux::dump() { void PixelStompMux::dump() {
@@ -91,7 +92,7 @@ void PixelStompMux::dump() {
} }
void PixelStompMux::probe() { void PixelStompMux::probe() {
Serial.println("[MUX] === Hardware Probe (BMC Protocol) ==="); Serial.println("[MUX] === Hardware Probe (NeoPixel) ===");
for (int round = 0; round < 5; round++) { for (int round = 0; round < 5; round++) {
Serial.printf("--- Round %d ---\n", round); Serial.printf("--- Round %d ---\n", round);
@@ -122,12 +123,12 @@ void PixelStompMux::probe() {
} }
Serial.println(" LED test: pixel 0 RED (max brightness)..."); Serial.println(" LED test: pixel 0 RED (max brightness)...");
leds[0] = CRGB(255, 0, 0); strip.setBrightness(255);
FastLED.setBrightness(255); strip.setPixelColor(0, 255, 0, 0);
FastLED.show(); strip.show();
delay(2000); delay(2000);
leds[0] = CRGB::Black; strip.setPixelColor(0, 0, 0, 0);
FastLED.show(); strip.show();
Serial.println("[MUX] === Probe Complete ==="); Serial.println("[MUX] === Probe Complete ===");
} }