From d23f0d1bd536820fe335a8013211a1c5e1d20bb2 Mon Sep 17 00:00:00 2001
From: Jorj Bauer <jorj@jorj.org>
Date: Tue, 18 Jan 2022 18:22:21 -0500
Subject: [PATCH] 16to-8bpp

---
 teensy/RA8875_t4.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/teensy/RA8875_t4.h b/teensy/RA8875_t4.h
index 8127a2b..f94fd98 100644
--- a/teensy/RA8875_t4.h
+++ b/teensy/RA8875_t4.h
@@ -38,6 +38,10 @@ class RA8875_t4 {
   void drawPixel(int16_t x, int16_t y, uint16_t color);
   uint32_t frameCount();
 
+  uint8_t color16To8bpp(uint16_t color) __attribute__((always_inline)) {
+    return ((color & 0xe000) >> 8) | ((color & 0x700) >> 6) | ((color & 0x18) >> 3);
+  }
+  
 private:
   void _initializeTFT();