Function writeBits

src/platforms/esp/32/clockless_block_esp32.h:133–167

#define ESP_ADJUST 0 // (2*(F_CPU/24000000))
#define ESP_ADJUST2 0
    template<int BITS,int PX> __attribute__ ((always_inline)) inline static void writeBits(FASTLED_REGISTER u32 & last_mark, FASTLED_REGISTER Lines & b, PixelController<RGB_ORDER, LANES, PORT_MASK> &pixels) FL_NOEXCEPT { // , FASTLED_REGISTER uint32_t & b2)  {
	Lines b2 = b;
	transpose8x1_noinline(b.bytes,b2.bytes);
	
	FASTLED_REGISTER u8 d = pixels.template getd<PX>(pixels);
	FASTLED_REGISTER u8 scale = pixels.template getscale<PX>(pixels);
	
	for(FASTLED_REGISTER u32 i = 0; i < USED_LANES; ++i) {
	    while((__clock_cycles() - last_mark) < (T1+T2+T3));
	    last_mark = __clock_cycles();
	    *FastPin<FIRST_PIN>::sport() = PORT_MASK << REAL_FIRST_PIN;
	    
	    u32 nword = ((u32)(~b2.bytes[7-i]) & PORT_MASK) << REAL_FIRST_PIN;
	    while((__clock_cycles() - last_mark) < (T1-6));
	    *FastPin<FIRST_PIN>::cport() = nword;
	    
	    while((__clock_cycles() - last_mark) < (T1+T2));
	    *FastPin<FIRST_PIN>::cport() = PORT_MASK << REAL_FIRST_PIN;
	    
	    b.bytes[i] = pixels.template loadAndScale<PX>(pixels,i,d,scale);
	}

	for(FASTLED_REGISTER u32 i = USED_LANES; i < 8; ++i) {
	    while((__clock_cycles() - last_mark) < (T1+T2+T3));
	    last_mark = __clock_cycles();
	    *FastPin<FIRST_PIN>::sport() = PORT_MASK << REAL_FIRST_PIN;
	    
	    u32 nword = ((u32)(~b2.bytes[7-i]) & PORT_MASK) << REAL_FIRST_PIN;
	    while((__clock_cycles() - last_mark) < (T1-6));
	    *FastPin<FIRST_PIN>::cport() = nword;
	    
	    while((__clock_cycles() - last_mark) < (T1+T2));
	    *FastPin<FIRST_PIN>::cport() = PORT_MASK << REAL_FIRST_PIN;
	}
    }

    // This method is made static to force making register Y available to use for data on AVR - if the method is non-static, then
    // gcc will use register Y for the this pointer.