Function setMixedBitPattern

examples/AutoResearch/AutoResearchTest.cpp:1208–1254

Set mixed RGB bit patterns to test MSB vs LSB handling

// Set mixed RGB bit patterns to test MSB vs LSB handling
void setMixedBitPattern(CRGB* leds, size_t count, int pattern_id) {
    switch (pattern_id) {
        case 0:
            // Pattern A: R=0xF0 (high nibble), G=0x0F (low nibble), B=0xAA (alternating)
            // Tests: High bits in R, low bits in G, mixed bits in B
            for (size_t i = 0; i < count; i++) {
                leds[i] = CRGB(0xF0, 0x0F, 0xAA);
            }
            break;

        case 1:
            // Pattern B: R=0x55 (alternating 01010101), G=0xFF (all high), B=0x00 (all low)
            // Tests: Alternating bits, all-high boundary, all-low boundary
            for (size_t i = 0; i < count; i++) {
                leds[i] = CRGB(0x55, 0xFF, 0x00);
            }
            break;

        case 2:
            // Pattern C: R=0x0F (low nibble), G=0xAA (alternating), B=0xF0 (high nibble)
            // Tests: Rotated pattern from A, ensures driver handles different channel values
            for (size_t i = 0; i < count; i++) {
                leds[i] = CRGB(0x0F, 0xAA, 0xF0);
            }
            break;

        case 3:
            // Pattern D: Solid colors alternating (Red, Green, Blue repeating)
            // Baseline test - ensures basic RGB transmission works
            for (size_t i = 0; i < count; i++) {
                int color_index = i % 3;
                if (color_index == 0) {
                    leds[i] = CRGB::Red;     // RGB(255, 0, 0)
                } else if (color_index == 1) {
                    leds[i] = CRGB::Green;   // RGB(0, 255, 0)
                } else {
                    leds[i] = CRGB::Blue;    // RGB(0, 0, 255)
                }
            }
            break;

        default:
            // Fallback: all black
            fill_solid(leds, count, CRGB::Black);
            break;
    }
}

// Get name of bit pattern for logging
const char* getBitPatternName(int pattern_id) {