From 715aca3365007dcd15914ed5527f1c5ec520fd31 Mon Sep 17 00:00:00 2001
From: Ashley Strahle <ash@jackofclubs.com.au>
Date: Tue, 23 Jun 2026 14:47:48 +0000
Subject: [PATCH] Fix rawled: GRB RED={0x00,0xFF,0x00}, differentiate 0/1 bit
 timing

---
 src/main.cpp | 31 ++++++++++++++-----------------
 1 file changed, 14 insertions(+), 17 deletions(-)

diff --git a/src/main.cpp b/src/main.cpp
index 67816ae..ac1749a 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -125,29 +125,26 @@ void handle_serial_command(const String& cmd) {
     } else if (cmd == "rawled") {
         uint8_t pin = 9;
         Serial.println("[CMD] Bit-bang WS2812: pixel 0 = RED on GPIO 9");
-        uint32_t colour = 0x00FF00;
+        uint8_t colour[] = {0x00, 0xFF, 0x00};
         noInterrupts();
-        for (int i = 0; i < 24; i++) {
-            if (colour & (1 << (23 - i))) {
-                digitalWrite(pin, HIGH);
-                esp_rom_delay_us(800);
-                digitalWrite(pin, LOW);
-                esp_rom_delay_us(450);
-            } else {
-                digitalWrite(pin, HIGH);
-                esp_rom_delay_us(400);
-                digitalWrite(pin, LOW);
-                esp_rom_delay_us(850);
+        for (int byte_idx = 0; byte_idx < 3; byte_idx++) {
+            uint8_t val = colour[byte_idx];
+            for (int bit = 7; bit >= 0; bit--) {
+                gpio_set_level((gpio_num_t)pin, 1);
+                if (val & (1 << bit)) {
+                    esp_rom_delay_us(1);
+                }
+                gpio_set_level((gpio_num_t)pin, 0);
+                if (!(val & (1 << bit))) {
+                    esp_rom_delay_us(1);
+                }
             }
         }
-        for (int i = 0; i < 7; i++) {
-            digitalWrite(pin, LOW);
-            esp_rom_delay_us(50);
-        }
+        gpio_set_level((gpio_num_t)pin, 0);
+        esp_rom_delay_us(50);
         interrupts();
         Serial.println("[CMD] Sent. Wait 2 sec...");
         delay(2000);
-        digitalWrite(pin, LOW);
         Serial.println("[CMD] Done");
     } else {
         Serial.println("[CMD] Unknown command. Type 'help'");