From bf7bcb83f3ba873314f2725c91d0d6e0166fe8ab Mon Sep 17 00:00:00 2001
From: "E. A. Graham Jr" <10370165+EAGrahamJr@users.noreply.github.com>
Date: Sat, 17 Jun 2023 11:40:23 -0700
Subject: [PATCH 1/3] Read all 4 buttons with one call.

Fixes #10 - uses the same `digital_read_bulk` Seesaw method, but
returns all of the button states as list. This improves read
performance since each individual button does not need to be read.
---
 adafruit_neokey/neokey1x4.py  | 13 +++++++++
 examples/neokey1x4_allkeys.py | 51 +++++++++++++++++++++++++++++++++++
 2 files changed, 64 insertions(+)
 create mode 100644 examples/neokey1x4_allkeys.py

diff --git a/adafruit_neokey/neokey1x4.py b/adafruit_neokey/neokey1x4.py
index 2405bcb..3251e8e 100644
--- a/adafruit_neokey/neokey1x4.py
+++ b/adafruit_neokey/neokey1x4.py
@@ -71,3 +71,16 @@ def __getitem__(self, index: int) -> bool:
         if not isinstance(index, int) or (index < 0) or (index > 3):
             raise RuntimeError("Index must be 0 thru 3")
         return not self.digital_read(index + 4)
+
+    def get_keys(self) -> typing.List[bool]:
+        """Read all 4 keys at once and return an array of booleans.
+
+        Returns:
+            typing.List[bool]: _description_
+        """
+        # use a bit mask with ports 4-7 to read all 4 keys at once
+        bulk_read = self.digital_read_bulk(0xF0)
+
+        # convert the leftmost 4 bits to an array of booleans and return
+        keys = [bulk_read & (1 << i) == 0 for i in range(4, 8)]
+        return keys
diff --git a/examples/neokey1x4_allkeys.py b/examples/neokey1x4_allkeys.py
new file mode 100644
index 0000000..c374f1e
--- /dev/null
+++ b/examples/neokey1x4_allkeys.py
@@ -0,0 +1,51 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-License-Identifier: MIT
+"""NeoKey simpletest."""
+import board
+from adafruit_neokey.neokey1x4 import NeoKey1x4
+from time import sleep
+
+# use default I2C bus
+i2c_bus = board.I2C()
+
+# Create a NeoKey object
+neokey = NeoKey1x4(i2c_bus, addr=0x30)
+
+print("Adafruit NeoKey simple test reading all keys")
+
+# neokey.edbug = True
+
+while True:
+    keys = neokey.get_keys()
+    print(f"keys {keys}")
+    # test for all buttons pressed at once
+    if keys[0] and keys[1] and keys[2] and keys[3]:
+        for i in range(4):
+            neokey.pixels[i] = 0xFF00FF
+    # check each key individually
+    else:
+        if keys[0]:
+            print("Button A")
+            neokey.pixels[0] = 0xFF0000
+        else:
+            neokey.pixels[0] = 0x0
+
+        if keys[1]:
+            print("Button B")
+            neokey.pixels[1] = 0xFFFF00
+        else:
+            neokey.pixels[1] = 0x0
+
+        if keys[2]:
+            print("Button C")
+            neokey.pixels[2] = 0x00FF00
+        else:
+            neokey.pixels[2] = 0x0
+
+        if keys[3]:
+            print("Button D")
+            neokey.pixels[3] = 0x00FFFF
+        else:
+            neokey.pixels[3] = 0x0
+
+    sleep(2)

From 6d623921fa3a87b2b5e1cba05ab9c384b1064f29 Mon Sep 17 00:00:00 2001
From: "E. A. Graham Jr" <10370165+EAGrahamJr@users.noreply.github.com>
Date: Sat, 17 Jun 2023 11:48:52 -0700
Subject: [PATCH 2/3] pylint fix

---
 examples/neokey1x4_allkeys.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/examples/neokey1x4_allkeys.py b/examples/neokey1x4_allkeys.py
index c374f1e..f9ba06a 100644
--- a/examples/neokey1x4_allkeys.py
+++ b/examples/neokey1x4_allkeys.py
@@ -1,9 +1,9 @@
 # SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
 # SPDX-License-Identifier: MIT
 """NeoKey simpletest."""
+from time import sleep
 import board
 from adafruit_neokey.neokey1x4 import NeoKey1x4
-from time import sleep
 
 # use default I2C bus
 i2c_bus = board.I2C()
@@ -48,4 +48,4 @@
         else:
             neokey.pixels[3] = 0x0
 
-    sleep(2)
+    sleep(.5)

From 8d5ecc9af008a35614d4bd966b761ba9c324c46a Mon Sep 17 00:00:00 2001
From: "E. A. Graham Jr" <10370165+EAGrahamJr@users.noreply.github.com>
Date: Sat, 17 Jun 2023 11:52:55 -0700
Subject: [PATCH 3/3] black fix

---
 examples/neokey1x4_allkeys.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/neokey1x4_allkeys.py b/examples/neokey1x4_allkeys.py
index f9ba06a..4dc1115 100644
--- a/examples/neokey1x4_allkeys.py
+++ b/examples/neokey1x4_allkeys.py
@@ -48,4 +48,4 @@
         else:
             neokey.pixels[3] = 0x0
 
-    sleep(.5)
+    sleep(0.5)