Quick NeoPixel test on Bluz

test.ino

#include "application.h"
#include "pinmap_impl.h"
#include "neopixel.h"

#define STRIP_LENGTH 121

int PIXEL_PIN = PIN_MAP[D2].gpio_pin;
neopixel_strip_t m_strip;

uint8_t j;
uint8_t color[3] = {0, 0, 0};
uint8_t wait = 100;

void setup() {
    BLE.stopAdvertising();
    neopixel_init(&m_strip, PIXEL_PIN, STRIP_LENGTH);
    neopixel_clear(&m_strip);
    neopixel_show(&m_strip);
}


void loop() {
    HAL_Delay_Milliseconds(wait);

    Wheel(j);

    for(uint8_t i=0; i<STRIP_LENGTH; i++)
        neopixel_set_color(&m_strip, i, color[0]/2, color[1]/2, color[2]/2);

    neopixel_show(&m_strip);

    j++;

    if(j>=255) j = 0;
}


void Wheel(byte WheelPos) {
	if(WheelPos < 85) {
		color[0] = WheelPos * 3;
		color[1] = 255 - WheelPos * 3;
		color[2] = 0;
	} else if(WheelPos < 170) {
		WheelPos -= 85;
		color[0] = 255 - WheelPos * 3;
		color[1] = 0;
		color[2] = WheelPos * 3;
	} else {
		WheelPos -= 170;
		color[0] = 0;
		color[1] = WheelPos * 3;
		color[2] = 255 - WheelPos * 3;
	}
}