From c4dd5509e54c7b60c6dc1dccaf797a46030c3348 Mon Sep 17 00:00:00 2001
From: Liz <liz@adafruit.com>
Date: Tue, 5 Aug 2025 19:39:44 -0400
Subject: [PATCH] add display ruler bitmap

---
 README.rst                                 |  12 +++++-------
 adafruit_jd79661.py                        |   2 +-
 examples/display-ruler-640x360.bmp         | Bin 0 -> 230642 bytes
 examples/display-ruler-640x360.bmp.license |   2 ++
 examples/jd79661_simpletest.py             |  15 ++++++---------
 5 files changed, 14 insertions(+), 17 deletions(-)
 create mode 100644 examples/display-ruler-640x360.bmp
 create mode 100644 examples/display-ruler-640x360.bmp.license

diff --git a/README.rst b/README.rst
index 5ce1242..bd206a4 100644
--- a/README.rst
+++ b/README.rst
@@ -95,7 +95,6 @@ Usage Example
     import time
 
     import board
-    import busio
     import displayio
     from fourwire import FourWire
 
@@ -103,12 +102,11 @@ Usage Example
 
     displayio.release_displays()
 
-    # This pinout works on a MagTag with the newer screen and may need to be altered for other boards.
-    spi = busio.SPI(board.EPD_SCK, board.EPD_MOSI)  # Uses SCK and MOSI
-    epd_cs = board.EPD_CS
-    epd_dc = board.EPD_DC
-    epd_reset = board.EPD_RESET
-    epd_busy = board.EPD_BUSY
+    spi = board.SPI()
+    epd_cs = board.D9
+    epd_dc = board.D10
+    epd_reset = board.D6
+    epd_busy = board.D5
 
     display_bus = FourWire(spi, command=epd_dc, chip_select=epd_cs, reset=epd_reset, baudrate=1000000)
     time.sleep(1)
diff --git a/adafruit_jd79661.py b/adafruit_jd79661.py
index 8ca41c1..d5ccb2c 100644
--- a/adafruit_jd79661.py
+++ b/adafruit_jd79661.py
@@ -119,7 +119,7 @@ def __init__(self, bus: FourWire, **kwargs) -> None:
             start_sequence[res_pos + 4] = (width >> 8) & 0xFF
             start_sequence[res_pos + 5] = width & 0xFF
 
-        print(start_sequence.hex(" "))
+        # print(start_sequence.hex(" "))
 
         super().__init__(
             bus,
diff --git a/examples/display-ruler-640x360.bmp b/examples/display-ruler-640x360.bmp
new file mode 100644
index 0000000000000000000000000000000000000000..a9c776e7598fc58b107ec728df54451996b829a8
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diff --git a/examples/display-ruler-640x360.bmp.license b/examples/display-ruler-640x360.bmp.license
new file mode 100644
index 0000000..a784acf
--- /dev/null
+++ b/examples/display-ruler-640x360.bmp.license
@@ -0,0 +1,2 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
diff --git a/examples/jd79661_simpletest.py b/examples/jd79661_simpletest.py
index 8e690d4..bd50791 100644
--- a/examples/jd79661_simpletest.py
+++ b/examples/jd79661_simpletest.py
@@ -1,14 +1,12 @@
 # SPDX-FileCopyrightText: 2025 Scott Shawcroft, written for Adafruit Industries
-# SPDX-FileCopyrightText: Copyright (c) 2021 Melissa LeBlanc-Williams for Adafruit Industries
 #
 # SPDX-License-Identifier: Unlicense
 
-"""Simple test script for 2.9" 296x128 display. This example runs it in mono mode."""
+"""Simple test script for 2.13" Quad Color Display"""
 
 import time
 
 import board
-import busio
 import displayio
 from fourwire import FourWire
 
@@ -16,12 +14,11 @@
 
 displayio.release_displays()
 
-# This pinout works on a MagTag with the newer screen and may need to be altered for other boards.
-spi = busio.SPI(board.EPD_SCK, board.EPD_MOSI)  # Uses SCK and MOSI
-epd_cs = board.EPD_CS
-epd_dc = board.EPD_DC
-epd_reset = board.EPD_RESET
-epd_busy = board.EPD_BUSY
+spi = board.SPI()
+epd_cs = board.D9
+epd_dc = board.D10
+epd_reset = board.D6
+epd_busy = board.D5
 
 display_bus = FourWire(spi, command=epd_dc, chip_select=epd_cs, reset=epd_reset, baudrate=1000000)
 time.sleep(1)