uint16_t t1=0,t2=0,t3=0;
float a,b,c;
uint16_t value=0;
for (int j = 0; j < count; j++) {
    t1 = ceil(rgbLeft->r +(floor((rgbRight->r - rgbLeft->r) * j) / (count-1)));
    t2 = ceil(rgbLeft->g +(floor((rgbRight->g - rgbLeft->g) * j) / (count-1)));
    t3 = ceil(rgbLeft->b + (floor(rgbRight->b - rgbLeft->b) * j) / (count-1));

    value = (t1 << 11) | (t2 << 5) | (t3);
    vec.push_back(value);
}

typedef struct{
       unsigned int r:5;
      unsigned int g:6;
    unsigned int b:5;
   }RGB;