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-rw-r--r--src/ESP32-HUB75-MatrixPanel-I2S-DMA.cpp6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/ESP32-HUB75-MatrixPanel-I2S-DMA.cpp b/src/ESP32-HUB75-MatrixPanel-I2S-DMA.cpp
index c2a725e..85fb055 100644
--- a/src/ESP32-HUB75-MatrixPanel-I2S-DMA.cpp
+++ b/src/ESP32-HUB75-MatrixPanel-I2S-DMA.cpp
@@ -347,9 +347,9 @@ void IRAM_ATTR MatrixPanel_I2S_DMA::updateMatrixDMABuffer(uint16_t x_coord, uint
green16 = lumConvTab[green];
blue16 = lumConvTab[blue];
#else
- red16 = red << 8;
- green16 = green << 8;
- blue16 = blue << 8;
+ red16 = red << 8 | red;
+ green16 = green << 8 | green;
+ blue16 = blue << 8 | blue;
#endif
/* When using the drawPixel, we are obviously only changing the value of one x,y position,