Adding a backBuffer to avoid flickering. Color improvements.

1 files changed, 4 insertions, 2 deletions

diff --git a/main/InovaLedDisplay.h b/main/InovaLedDisplay.h
index b394708..a1d9ad9 100644
--- a/main/InovaLedDisplay.h
+++ b/main/InovaLedDisplay.h
@@ -16,16 +16,18 @@ class InovaLedDisplay : public virtual Adafruit_GFX {
 
         void drawPixel(int16_t x, int16_t y, uint16_t c);
 
-        void updateDisplay(void);
+        void swapBuffer(void);
 
         void runDisplay(void);
 
         void stopDisplay(void);
 
     private:
-        uint16_t displayBuffer[NUM_ROW][NUM_COL / 8]; // each column is two bits, so 8 can fit in 16-bit integer
+        uint16_t displayBuffer[2][NUM_ROW][NUM_COL / 8]; // each column is two bits, so 8 can fit in 16-bit integer
         spi_device_handle_t spi;
         bool run = true;
+        bool shouldSwapBuffer = false;
+        uint8_t backBufferIndex = 0;
         gpio_num_t latch, oe, addr0, addr1, addr2;
 };