added rgb_order configuration

components/spi_led_strip/spi_led_strip.h

@@ -16,6 +16,16 @@ enum class SpiLedChipset : uint8_t {
   SPI_LED_CHIPSET_WS2801,
 };
 
+// Order in which the color bytes of one LED are sent over the wire
+enum class RGBOrder : uint8_t {
+  ORDER_RGB,
+  ORDER_RBG,
+  ORDER_GRB,
+  ORDER_GBR,
+  ORDER_BGR,
+  ORDER_BRG,
+};
+
 class SpiLedStrip final : public light::AddressableLight,
                           public spi::SPIDevice<spi::BIT_ORDER_MSB_FIRST, spi::CLOCK_POLARITY_HIGH,
                                                 spi::CLOCK_PHASE_TRAILING, spi::DATA_RATE_1MHZ> {
@@ -24,6 +34,8 @@ class SpiLedStrip final : public light::AddressableLight,
   void setup() override;
   float get_setup_priority() const override { return setup_priority::IO; }
 
+  void set_rgb_order(RGBOrder rgb_order) { this->rgb_order_ = rgb_order; }
+
   int32_t size() const override { return this->num_leds_; }
 
   light::LightTraits get_traits() override;
@@ -42,6 +54,7 @@ class SpiLedStrip final : public light::AddressableLight,
   uint8_t *buf_{nullptr};
   uint16_t num_leds_;
   SpiLedChipset chipset_;
+  RGBOrder rgb_order_{RGBOrder::ORDER_BGR};
 };
 
 }  // namespace esphome::spi_led_strip