Add is0gr to QMK

keyboards/cannonkeys/is0gr/info.json

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+{
+ "manufacturer": "CannonKeys",
+ "keyboard_name": "is0GR",
+ "maintainer": "awkannan",
+ "bootloader": "stm32-dfu",
+ "diode_direction": "COL2ROW",
+ "features": {
+ "bootmagic": true,
+ "extrakey": true,
+ "mousekey": true,
+ "nkro": true
+ },
+ "matrix_pins": {
+ "cols": ["B3"],
+ "rows": ["A15"]
+ },
+ "processor": "STM32F072",
+ "url": "https://cannonkeys.com",
+ "usb": {
+ "device_version": "0.0.1",
+ "pid": "0xCA04",
+ "vid": "0x0028"
+ },
+ "community_layouts": ["ortho_1x1"],
+ "layouts": {
+ "LAYOUT_ortho_1x1": {
+ "layout": [
+ {"matrix": [0, 0], "x": 0.25, "y": 0, "w": 1.25, "h": 2}
+ ]
+ }
+ }
+}

keyboards/cannonkeys/is0gr/keymaps/default/keymap.c

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+// Copyright 2023 Andrew Kannan
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+ [0] = LAYOUT_ortho_1x1(
+ KC_ENT
+ ),
+};

keyboards/cannonkeys/is0gr/keymaps/via/keymap.c

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+// Copyright 2023 Andrew Kannan
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+ [0] = LAYOUT_ortho_1x1(
+ KC_ENT
+ ),
+};
+

keyboards/cannonkeys/is0gr/keymaps/via/rules.mk

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+VIA_ENABLE = yes

keyboards/cannonkeys/is0gr/readme.md

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+# Alchemist Keyboards is0GR
+
+is0GR Keyboard
+
+Keyboard Maintainer: [Andrew Kannan](https://github.com/awkannan) 
+Hardware Supported: STM32F072CBT6 or equivalent 
+
+Make example for this keyboard (after setting up your build environment):
+
+ make cannonkeys/is0gr:default
+
+Flashing example for this keyboard:
+
+ make cannonkeys/is0gr:default:flash
+
+See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).
+
+## Bootloader
+
+Enter the bootloader in 3 ways:
+
+* **Bootmagic reset**: Hold down the key at (0,0) in the matrix (on this board - it's the only key) and plug in the keyboard
+* **Physical reset button**: Bridge the two pads labeled "RESET" on the top of the PCB using some tweezers, and hold the tweezers there until the board enters the bootloader mode
+* **Keycode in layout**: Press the key mapped to `QK_BOOT` if it is available (it isn't by default)

keyboards/cannonkeys/is0gr/rules.mk

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+# Wildcard to allow APM32 MCU
+DFU_SUFFIX_ARGS = -v FFFF -p FFFF