AP_Notify: allow up to 64 LEDs on a pin

libraries/AP_Notify/NeoPixel.cpp

@@ -85,7 +85,7 @@ bool NeoPixel::hw_set_rgb(uint8_t red, uint8_t green, uint8_t blue)
 
     for (uint16_t chan=0; chan<16; chan++) {
         if ((1U<<chan) & enable_mask) {
-            hal.rcout->set_neopixel_rgb_data(chan, (1U<<(pNotify->get_neo_len()))-1, red, green, blue);
+            hal.rcout->set_neopixel_rgb_data(chan, -1, red, green, blue);
         }
     }
     hal.rcout->neopixel_send();

libraries/AP_Notify/SITL_SFML_LED.cpp

@@ -39,7 +39,8 @@ SITL_SFML_LED::SITL_SFML_LED():
 void SITL_SFML_LED::update_serial_LEDs()
 {
     static sf::RenderWindow *w;
-    static sf::RectangleShape *leds[16][32];
+    const uint8_t MAX_LEDS = 64;
+    static sf::RectangleShape *leds[16][MAX_LEDS];
 
     SITL::SITL *sitl = AP::sitl();
     if (sitl == nullptr || sitl->led.send_counter == 0) {
@@ -51,7 +52,7 @@ void SITL_SFML_LED::update_serial_LEDs()
         for (uint8_t i=0; i<16; i++) {
             max_leds = MAX(max_leds, sitl->led.num_leds[i]);
         }
-        w = new sf::RenderWindow(sf::VideoMode(32*(serialLED_size+1), 16*(serialLED_size+1)), "SerialLED");
+        w = new sf::RenderWindow(sf::VideoMode(MAX_LEDS*(serialLED_size+1), 16*(serialLED_size+1)), "SerialLED");
         if (!w) {
             return;
         }