From 087fd70276929a68bfa117f1547176c2ed361672 Mon Sep 17 00:00:00 2001
From: Phil Howard <phil@gadgetoid.com>
Date: Thu, 3 Mar 2022 16:11:31 +0000
Subject: [PATCH 1/6] Add QRCode MicroPython module

---
 .gitmodules                                      | 3 +++
 micropython/modules/badger2040-micropython.cmake | 1 +
 micropython/modules/qrcode                       | 1 +
 3 files changed, 5 insertions(+)
 create mode 160000 micropython/modules/qrcode

diff --git a/.gitmodules b/.gitmodules
index 87e37f064..474f7d55e 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -14,3 +14,6 @@
 [submodule "drivers/scd4x/src"]
 	path = drivers/scd4x/src
 	url = https://github.com/Sensirion/embedded-i2c-scd4x
+[submodule "micropython/modules/qrcode"]
+	path = micropython/modules/qrcode
+	url = https://github.com/pimoroni/QR-Code-Generator
diff --git a/micropython/modules/badger2040-micropython.cmake b/micropython/modules/badger2040-micropython.cmake
index fd3f12fc8..274e651c9 100644
--- a/micropython/modules/badger2040-micropython.cmake
+++ b/micropython/modules/badger2040-micropython.cmake
@@ -34,3 +34,4 @@ include(badger2040/micropython)
 include(micropython/examples/badger2040/micropython-builtins)
 include(plasma/micropython)
 include(ulab/code/micropython)
+include(qrcode/micropython/micropython)
diff --git a/micropython/modules/qrcode b/micropython/modules/qrcode
new file mode 160000
index 000000000..2576e6118
--- /dev/null
+++ b/micropython/modules/qrcode
@@ -0,0 +1 @@
+Subproject commit 2576e61183612055791dda446c0791714f8067b4

From 89172578acd5d73407193636cb498f3ad8085c96 Mon Sep 17 00:00:00 2001
From: Phil Howard <phil@gadgetoid.com>
Date: Thu, 3 Mar 2022 22:10:22 +0000
Subject: [PATCH 2/6] qrcode: Bind ECC and Mask controls

---
 micropython/modules/qrcode | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/micropython/modules/qrcode b/micropython/modules/qrcode
index 2576e6118..b5afd3c03 160000
--- a/micropython/modules/qrcode
+++ b/micropython/modules/qrcode
@@ -1 +1 @@
-Subproject commit 2576e61183612055791dda446c0791714f8067b4
+Subproject commit b5afd3c031c3f6ddd89e73833a1c8e551134e291

From 3c70a3847e078dee9db0ace8c4bbe44b8c522d13 Mon Sep 17 00:00:00 2001
From: Phil Howard <phil@gadgetoid.com>
Date: Fri, 4 Mar 2022 18:07:10 +0000
Subject: [PATCH 3/6] qrcode: Add example to badgerOS

---
 .../badger2040/assets/launchericons.png       | Bin 10083 -> 9981 bytes
 micropython/examples/badger2040/launcher.py   |   6 ++-
 .../badger2040/micropython-builtins.cmake     |   1 +
 micropython/examples/badger2040/qr_code.py    |  35 ++++++++++++++++++
 4 files changed, 40 insertions(+), 2 deletions(-)
 create mode 100644 micropython/examples/badger2040/qr_code.py

diff --git a/micropython/examples/badger2040/assets/launchericons.png b/micropython/examples/badger2040/assets/launchericons.png
index 6b5364232552c1eaa7d43a901d4bf5635f695587..da93e0a097067040a6afe167156a29c8425514aa 100644
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diff --git a/micropython/examples/badger2040/launcher.py b/micropython/examples/badger2040/launcher.py
index 089a6fc31..2c1119c47 100644
--- a/micropython/examples/badger2040/launcher.py
+++ b/micropython/examples/badger2040/launcher.py
@@ -16,6 +16,7 @@
 inverted = False
 
 icons = bytearray(launchericons.data())
+icons_width = 576
 
 examples = [
     ("_clock", 0),
@@ -24,6 +25,7 @@
     ("_image", 3),
     ("_list", 4),
     ("_badge", 5),
+    ("_qr_code", 8),
     ("_info", 6),
     ("_help", 7)
 ]
@@ -139,9 +141,9 @@ def render():
     for i in range(max_icons):
         x = centers[i]
         label, icon = examples[i + (page * 3)]
-        label = label[1:]
+        label = label[1:].replace("_", " ")
         display.pen(0)
-        display.icon(icons, icon, 512, 64, x - 32, 24)
+        display.icon(icons, icon, icons_width, 64, x - 32, 24)
         w = display.measure_text(label, font_sizes[font_size])
         display.text(label, x - int(w / 2), 16 + 80, font_sizes[font_size])
 
diff --git a/micropython/examples/badger2040/micropython-builtins.cmake b/micropython/examples/badger2040/micropython-builtins.cmake
index b5d73b851..ad4260d94 100644
--- a/micropython/examples/badger2040/micropython-builtins.cmake
+++ b/micropython/examples/badger2040/micropython-builtins.cmake
@@ -51,3 +51,4 @@ copy_module(usermod_badger2040 ${CMAKE_CURRENT_LIST_DIR}/list.py _list)
 copy_module(usermod_badger2040 ${CMAKE_CURRENT_LIST_DIR}/badge.py _badge)
 copy_module(usermod_badger2040 ${CMAKE_CURRENT_LIST_DIR}/help.py _help)
 copy_module(usermod_badger2040 ${CMAKE_CURRENT_LIST_DIR}/info.py _info)
+copy_module(usermod_badger2040 ${CMAKE_CURRENT_LIST_DIR}/qr_code.py _qr_code)
diff --git a/micropython/examples/badger2040/qr_code.py b/micropython/examples/badger2040/qr_code.py
new file mode 100644
index 000000000..b5c2b1efd
--- /dev/null
+++ b/micropython/examples/badger2040/qr_code.py
@@ -0,0 +1,35 @@
+import badger2040
+import qrcode
+import time
+
+display = badger2040.Badger2040()
+code = qrcode.QRCode()
+
+
+def measure_qr_code(size, code):
+    w, h = code.get_size()
+    module_size = int(size / w)
+    return module_size * w, module_size
+
+
+def draw_qr_code(ox, oy, size, code):
+    size, module_size = measure_qr_code(size, code)
+    display.pen(15)
+    display.rectangle(ox, oy, size, size)
+    display.pen(0)
+    for x in range(size):
+        for y in range(size):
+            if code.get_module(x, y):
+                display.rectangle(ox + x * module_size, oy + y * module_size, module_size, module_size)
+
+
+code.set_text("pimoroni.com/badger2040")
+size, _ = measure_qr_code(128, code)
+left = int((badger2040.WIDTH / 2) - (size / 2))
+top = int((badger2040.HEIGHT / 2) - (size / 2))
+draw_qr_code(left, top, 128, code)
+
+display.update()
+
+while True:
+    time.sleep(1.0)

From d3ac1b63be44a02689f4c8af780288af22bda1d3 Mon Sep 17 00:00:00 2001
From: Phil Howard <phil@gadgetoid.com>
Date: Thu, 10 Mar 2022 15:14:56 +0000
Subject: [PATCH 4/6] qrcode: Rename & improve example

---
 micropython/examples/badger2040/launcher.py   |  2 +-
 .../badger2040/micropython-builtins.cmake     |  2 +-
 .../badger2040/{qr_code.py => qrgen.py}       | 41 +++++++++++++++++--
 3 files changed, 40 insertions(+), 5 deletions(-)
 rename micropython/examples/badger2040/{qr_code.py => qrgen.py} (50%)

diff --git a/micropython/examples/badger2040/launcher.py b/micropython/examples/badger2040/launcher.py
index 2c1119c47..aecf043f5 100644
--- a/micropython/examples/badger2040/launcher.py
+++ b/micropython/examples/badger2040/launcher.py
@@ -25,7 +25,7 @@
     ("_image", 3),
     ("_list", 4),
     ("_badge", 5),
-    ("_qr_code", 8),
+    ("_qrgen", 8),
     ("_info", 6),
     ("_help", 7)
 ]
diff --git a/micropython/examples/badger2040/micropython-builtins.cmake b/micropython/examples/badger2040/micropython-builtins.cmake
index ad4260d94..1e748026f 100644
--- a/micropython/examples/badger2040/micropython-builtins.cmake
+++ b/micropython/examples/badger2040/micropython-builtins.cmake
@@ -51,4 +51,4 @@ copy_module(usermod_badger2040 ${CMAKE_CURRENT_LIST_DIR}/list.py _list)
 copy_module(usermod_badger2040 ${CMAKE_CURRENT_LIST_DIR}/badge.py _badge)
 copy_module(usermod_badger2040 ${CMAKE_CURRENT_LIST_DIR}/help.py _help)
 copy_module(usermod_badger2040 ${CMAKE_CURRENT_LIST_DIR}/info.py _info)
-copy_module(usermod_badger2040 ${CMAKE_CURRENT_LIST_DIR}/qr_code.py _qr_code)
+copy_module(usermod_badger2040 ${CMAKE_CURRENT_LIST_DIR}/qrgen.py _qrgen)
diff --git a/micropython/examples/badger2040/qr_code.py b/micropython/examples/badger2040/qrgen.py
similarity index 50%
rename from micropython/examples/badger2040/qr_code.py
rename to micropython/examples/badger2040/qrgen.py
index b5c2b1efd..1c980c1ea 100644
--- a/micropython/examples/badger2040/qr_code.py
+++ b/micropython/examples/badger2040/qrgen.py
@@ -2,6 +2,31 @@
 import qrcode
 import time
 
+
+# Open the qrcode file
+try:
+    text = open("qrcode.txt", "r")
+except OSError:
+    text = open("qrcode.txt", "w")
+    text.write("""https://pimoroni.com/badger2040
+Badger 2040
+* 296x128 1-bit e-ink
+* six user buttons
+* user LED
+* 2MB QSPI flash
+
+Scan this code to learn
+more about Badger 2040.
+""")
+    text.flush()
+    text.seek(0)
+
+
+lines = text.read().strip().split("\n")
+code_text = lines.pop(0)
+title_text = lines.pop(0)
+detail_text = lines
+
 display = badger2040.Badger2040()
 code = qrcode.QRCode()
 
@@ -23,12 +48,22 @@ def draw_qr_code(ox, oy, size, code):
                 display.rectangle(ox + x * module_size, oy + y * module_size, module_size, module_size)
 
 
-code.set_text("pimoroni.com/badger2040")
+code.set_text(code_text)
 size, _ = measure_qr_code(128, code)
-left = int((badger2040.WIDTH / 2) - (size / 2))
-top = int((badger2040.HEIGHT / 2) - (size / 2))
+left = top = int((badger2040.HEIGHT / 2) - (size / 2))
 draw_qr_code(left, top, 128, code)
 
+left = 128 + 5
+
+display.thickness(2)
+display.text(title_text, left, 20, 0.5)
+display.thickness(1)
+
+top = 40
+for line in detail_text:
+    display.text(line, left, top, 0.4)
+    top += 10
+
 display.update()
 
 while True:

From d20af57ddabcb4690b341221d2b39328d07bc2ef Mon Sep 17 00:00:00 2001
From: Phil Howard <phil@gadgetoid.com>
Date: Thu, 10 Mar 2022 15:16:23 +0000
Subject: [PATCH 5/6] qrcode: Add to regular MicroPython build

---
 micropython/modules/micropython.cmake | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/micropython/modules/micropython.cmake b/micropython/modules/micropython.cmake
index 4f2ea23bc..f8010f9e9 100644
--- a/micropython/modules/micropython.cmake
+++ b/micropython/modules/micropython.cmake
@@ -42,5 +42,6 @@ include(pico_wireless/micropython)
 include(plasma/micropython)
 include(hub75/micropython)
 include(ulab/code/micropython)
+include(qrcode/micropython/micropython)
 
-include(modules_py/modules_py)
\ No newline at end of file
+include(modules_py/modules_py)

From 421d1edf846663fb7818fafb15b5a9de30c7157e Mon Sep 17 00:00:00 2001
From: Phil Howard <phil@gadgetoid.com>
Date: Thu, 10 Mar 2022 15:57:27 +0000
Subject: [PATCH 6/6] qrcode: Basic MicroPython example for PicoDisplay

---
 .../examples/pico_display/basic_qrcode.py     | 43 +++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 micropython/examples/pico_display/basic_qrcode.py

diff --git a/micropython/examples/pico_display/basic_qrcode.py b/micropython/examples/pico_display/basic_qrcode.py
new file mode 100644
index 000000000..72ac1af87
--- /dev/null
+++ b/micropython/examples/pico_display/basic_qrcode.py
@@ -0,0 +1,43 @@
+import picodisplay as display  # Comment this line out to use PicoDisplay2
+# import picodisplay2 as display  # Uncomment this line to use PicoDisplay2
+import qrcode
+
+
+def measure_qr_code(size, code):
+    w, h = code.get_size()
+    module_size = int(size / w)
+    return module_size * w, module_size
+
+
+def draw_qr_code(ox, oy, size, code):
+    size, module_size = measure_qr_code(size, code)
+    display.set_pen(128, 128, 128)
+    display.rectangle(ox, oy, size, size)
+    display.set_pen(0, 0, 0)
+    for x in range(size):
+        for y in range(size):
+            if code.get_module(x, y):
+                display.rectangle(ox + x * module_size, oy + y * module_size, module_size, module_size)
+
+
+width = display.get_width()
+height = display.get_height()
+
+code = qrcode.QRCode()
+code.set_text("shop.pimoroni.com")
+
+display.init(bytearray(width * height * 2))
+
+display.set_pen(128, 128, 128)
+display.clear()
+display.set_pen(0, 0, 0)
+
+size, module_size = measure_qr_code(height, code)
+left = int((width // 2) - (size // 2))
+top = int((height // 2) - (size // 2))
+draw_qr_code(left, top, height, code)
+
+display.update()
+
+while True:
+    pass