[Keyboard] Add micromod input and display keyboard

keyboards/handwired/micromod_input_display/config.h

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+// Copyright 2023 Drashna Jael're (@Drashna Jael're)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+// custom matrix
+#define MATRIX_ROWS 1
+#define MATRIX_COLS 7
+
+#define AUDIO_INIT_DELAY
+
+#define I2C1_CLOCK_SPEED 100000
+
+#define QUANTUM_PAINTER_DISPLAY_TIMEOUT 0

keyboards/handwired/micromod_input_display/info.json

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+{
+    "manufacturer": "QMK",
+    "url": "",
+    "maintainer": "qmk",
+    "usb": {
+        "vid": "0xFEED",
+        "pid": "0x6465",
+        "device_version": "0.0.1"
+    },
+    "tapping": {
+        "term": 500
+    },
+    "diode_direction": "COL2ROW",
+    "features": {
+        "bootmagic": false,
+        "mousekey": false,
+        "extrakey": true,
+        "console": false,
+        "command": false,
+        "nkro": false,
+    },
+    "layouts": {
+        "LAYOUT": {
+            "layout": [
+                {"label": "Up", "x": 1, "y": 0, "matrix": [0, 2]},
+                {"label": "Left", "x": 0, "y": 1, "matrix": [0, 4]},
+                {"label": "Center", "x": 1, "y": 1, "matrix": [0, 6]},
+                {"label": "Right", "x": 2, "y": 1, "matrix": [0, 5]},
+                {"label": "A", "x": 5, "y": 1, "matrix": [0, 0]},
+                {"label": "B", "x": 6, "y": 1, "matrix": [0, 1]},
+                {"label": "Down", "x": 1, "y": 2, "matrix": [0, 3]}
+            ]
+        }
+    },
+    "rgblight": {
+        "driver": "apa102",
+        "led_count": 6,
+        "animations": {
+            "breathing": true,
+            "rainbow_mood": true,
+            "rainbow_swirl": true,
+            "snake": true,
+            "knight": true,
+            "christmas": true,
+            "static_gradient": true,
+            "rgb_test": true,
+            "alternating": true,
+            "twinkle": true
+        },
+        "default": {
+            "animation": "rainbow_swirl"
+        }
+    },
+    "backlight": {
+        "driver": "pwm",
+        "levels": 10,
+        "on_state": 0
+    }
+}

keyboards/handwired/micromod_input_display/keymaps/default/keymap.c

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+// Copyright 2023 QMK
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    LAYOUT(
+                 KC_UP,
+        KC_LEFT, KC_C,    KC_RIGHT,          KC_A,    KC_B,
+                 KC_DOWN
+    )
+};

keyboards/handwired/micromod_input_display/micromod_input_display.c

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+// Copyright 2022 QMK
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <stdint.h>
+#include "quantum.h"
+#include "i2c_master.h"
+
+#define BUTTON_I2C_ADDRESS 0x71
+#ifndef BUTTON_I2C_TIMEOUT
+#define BUTTON_I2C_TIMEOUT 100
+#endif
+
+#define BUTTON_ID                0x00
+#define BUTTON_VERSION1          0x01
+#define BUTTON_VERSION2          0x02
+#define BUTTON_PRESSED           0x03
+#define BUTTON_CLICKED           0x04
+#define BUTTON_INTERRUPT         0x05
+#define BUTTON_DEBOUNCE          0x06
+#define BUTTON_CHANGE_ADDREESS   0x1F
+
+
+static bool is_connected = false;
+
+void matrix_init_custom(void) {
+    i2c_init();
+    uint8_t data = 0;
+    i2c_status_t status = i2c_readReg(BUTTON_I2C_ADDRESS << 1, 0, &data, 1, BUTTON_I2C_TIMEOUT);
+    is_connected = (status == I2C_STATUS_SUCCESS);
+}
+
+uint8_t button_get_pressed(void) {
+    uint8_t data = 0;
+    i2c_readReg(BUTTON_I2C_ADDRESS << 1, BUTTON_PRESSED, &data, 1, BUTTON_I2C_TIMEOUT);
+    return data;
+}
+
+uint8_t button_get_clicked(void) {
+    uint8_t data = 0;
+    i2c_readReg(BUTTON_I2C_ADDRESS << 1, BUTTON_CLICKED, &data, 1, BUTTON_I2C_TIMEOUT);
+    return data;
+}
+
+uint16_t button_get_debounce(void) {
+    uint8_t data[2] = {0};
+    i2c_readReg(BUTTON_I2C_ADDRESS << 1, BUTTON_DEBOUNCE, data, 2, BUTTON_I2C_TIMEOUT);
+    return (data[0] << 8) | data[1];
+}
+
+bool button_get_pressed_interrupt(void) {
+    uint8_t data = 0;
+    i2c_status_t status = i2c_readReg(BUTTON_I2C_ADDRESS << 1, BUTTON_INTERRUPT, &data, 1, BUTTON_I2C_TIMEOUT);
+    return (status == I2C_STATUS_SUCCESS) && ((data & (1 << 1)) >> 1);
+}
+
+bool button_get_clicked_interrupt(void) {
+    uint8_t data = 0;
+    i2c_status_t status = i2c_readReg(BUTTON_I2C_ADDRESS << 1, BUTTON_INTERRUPT, &data, 1, BUTTON_I2C_TIMEOUT);
+    return (status == I2C_STATUS_SUCCESS) && ((data & (1 << 0)) >> 0);
+}
+
+
+bool matrix_scan_custom(matrix_row_t current_matrix[]) {
+    bool matrix_has_changed = false;
+
+    if (!is_connected) {
+        return false;
+    }
+
+    uint8_t pressed = button_get_pressed();
+    if (pressed) {
+        current_matrix[0] |= pressed;
+        matrix_has_changed = true;
+        wait_us(200);
+    }
+
+    uint8_t clicked = button_get_clicked();
+    if (clicked) {
+        current_matrix[0] &= ~(clicked);
+        matrix_has_changed = true;
+        wait_us(10);
+    }
+
+    return matrix_has_changed;
+}

keyboards/handwired/micromod_input_display/readme.md

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+# handwired/micromod_input_display
+
+![handwired/micromod_input_display](imgur.com image replace me!)
+
+*A short description of the keyboard/project*
+
+* Keyboard Maintainer: [Drashna Jael're](https://github.com/Drashna Jael're)
+* Hardware Supported: *The PCBs, controllers supported*
+* Hardware Availability: *Links to where you can find this hardware*
+
+Make example for this keyboard (after setting up your build environment):
+
+    make handwired/micromod_input_display:default
+
+Flashing example for this keyboard:
+
+    make handwired/micromod_input_display: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 (usually the top left key or Escape) and plug in the keyboard
+* **Physical reset button**: Briefly press the button on the back of the PCB - some may have pads you must short instead
+* **Keycode in layout**: Press the key mapped to `QK_BOOT` if it is available

keyboards/handwired/micromod_input_display/rp2040/config.h

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+// Copyright 2022 Stefan Kerkmann
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#define I2C_DRIVER I2CD0
+#define I2C1_SDA_PIN GP4
+#define I2C1_SCL_PIN GP5
+
+#define AUDIO_PIN GP24
+#define AUDIO_PWM_DRIVER PWMD4
+#define AUDIO_PWM_CHANNEL RP2040_PWM_CHANNEL_A
+
+#define SPI_DRIVER          SPID0
+#define SPI_SCK_PIN         GP22
+#define SPI_MOSI_PIN        GP23
+#define SPI_MISO_PIN        GP20
+
+#define DISPLAY_CS_PIN_ILI9341      GP6
+#define DISPLAY_DC_PIN_ILI9341      GP7
+#define DISPLAY_RST_PIN_ILI9341     GP18
+
+#define BACKLIGHT_PWM_DRIVER PWMD6
+#define BACKLIGHT_PWM_CHANNEL RP2040_PWM_CHANNEL_B
+
+#define RP2040_BOOTLOADER_DOUBLE_TAP_RESET
+#define RP2040_BOOTLOADER_DOUBLE_TAP_RESET_LED GP25
+#define RP2040_BOOTLOADER_DOUBLE_TAP_RESET_TIMEOUT 500U
+#define "SERIAL_NUMBER" "MICROMOD_INPUT_DISPLAY"
+
+#define APA102_NOPS (100 / (1000000000L / (CPU_CLOCK / 4)))

keyboards/handwired/micromod_input_display/rp2040/halconf.h

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+// Copyright 2022 Stefan Kerkmann
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#define HAL_USE_I2C TRUE
+#define HAL_USE_PWM TRUE
+#define HAL_USE_SPI TRUE
+
+#include_next <halconf.h>

keyboards/handwired/micromod_input_display/rp2040/info.json

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+{
+    "keyboard_name": "Input and Display MicroMod RP2040",
+    "processor": "RP2040",
+    "bootloader": "rp2040",
+    "apa102": {
+        "clock_pin": "GP17",
+        "data_pin": "GP16"
+    },
+    "backlight": {
+        "pin": "GP13"
+    }
+}

keyboards/handwired/micromod_input_display/rp2040/mcuconf.h

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+// Copyright 2023 QMK
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include_next <mcuconf.h>
+
+#undef RP_I2C_USE_I2C0
+#define RP_I2C_USE_I2C0 TRUE
+
+#undef SRP_SPI_USE_SPI0
+#define RP_SPI_USE_SPI0 TRUE
+
+#undef RP_PWM_USE_PWM4
+#define RP_PWM_USE_PWM4 TRUE
+
+#undef RP_PWM_USE_PWM6
+#define RP_PWM_USE_PWM6 TRUE
+
+#define RP_IRQ_RTC_PRIORITY 3

keyboards/handwired/micromod_input_display/rp2040/readme.md

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+# Raspberry Pi 2040 onekey
+
+To trigger keypress, short together pins *GP4* and *GP5*.
+
+Double-tap reset to enter bootloader mode. Copy the built uf2 file to the device by dragging the file to the new USB disk.
+
+## Supported Hardware
+
+* Raspberry Pi Pico
+* SparkFun Pro Micro - RP2040
+* Adafruit KB2040 - RP2040 Kee Boar
+* ...and many more RP2040 based development boards

keyboards/handwired/micromod_input_display/rp2040/rp2040.c

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+// Copyright 2023 QMK
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "quantum.h"
+
+void keyboard_pre_init_kb(void) {
+    setPinOutput(GP25);
+    writePinLow(GP25);
+    keyboard_pre_init_user();
+}

keyboards/handwired/micromod_input_display/rules.mk

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+DEFAULT_FOLDER = handwired/micromod_input_display/stm32f405
+
+QUANTUM_PAINTER_ENABLE = yes
+QUANTUM_PAINTER_DRIVERS = ili9341_spi
+
+RGBLIGHT_ENABLE = yes
+
+AUDIO_ENABLE = yes
+AUDIO_DRIVER = pwm_hardware
+
+BACKLIGHT_ENABLE = yes
+
+CUSTOM_MATRIX = lite
+QUANTUM_LIB_SRC += i2c_master.c

keyboards/handwired/micromod_input_display/stm32f405/config.h

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+// Copyright 2023 QMK
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#define I2C_DRIVER I2CD2
+#define I2C1_SDA_PIN B11
+#define I2C1_SCL_PIN B10
+
+#define AUDIO_PIN C7
+#define AUDIO_PWM_DRIVER PWMD3
+#define AUDIO_PWM_CHANNEL 2
+#define AUDIO_PWM_PAL_MODE 2
+
+#define SPI_DRIVER          SPID1
+#define SPI_SCK_PIN         A5
+#define SPI_SCK_PAL_MODE    5
+#define SPI_MOSI_PIN        A7
+#define SPI_MOSI_PAL_MODE   5
+#define SPI_MISO_PIN        A6
+#define SPI_MISO_PAL_MODE   5
+
+#define DISPLAY_CS_PIN_ILI9341  C0
+#define DISPLAY_DC_PIN_ILI9341  C1
+#define DISPLAY_RST_PIN_ILI9341 A0
+
+#define BACKLIGHT_PWM_DRIVER PWMD8
+#define BACKLIGHT_PWM_CHANNEL 1
+#define BACKLIGHT_PAL_MODE	3

keyboards/handwired/micromod_input_display/stm32f405/halconf.h

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+// Copyright 2023 QMK
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#define HAL_USE_I2C TRUE
+#define HAL_USE_PWM TRUE
+#define HAL_USE_SPI TRUE
+
+#include_next <halconf.h>

keyboards/handwired/micromod_input_display/stm32f405/info.json

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+{
+    "keyboard_name": "Input and Display MicroMod STM32F405",
+    "apa102": {
+        "clock_pin": "D2",
+        "data_pin": "A8"
+    },
+    "backlight": {
+        "pin": "C6"
+    },
+    "bootloader": "tinyuf2",
+    "processor": "STM32F405"
+}

keyboards/handwired/micromod_input_display/stm32f405/mcuconf.h

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+// Copyright 2023 QMK
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include_next <mcuconf.h>
+
+#undef STM32_I2C_USE_I2C2
+#define STM32_I2C_USE_I2C2 TRUE
+
+#undef STM32_SPI_USE_SPI1
+#define STM32_SPI_USE_SPI1 TRUE
+
+#undef STM32_PWM_USE_TIM3
+#define STM32_PWM_USE_TIM3 TRUE
+
+#undef STM32_PWM_USE_TIM8
+#define STM32_PWM_USE_TIM8 TRUE

keyboards/handwired/micromod_input_display/stm32f405/readme.md

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+# Adafruit Feather STM32F405 Express onekey
+
+* Supported Hardware: [Adafruit Feather STM32F405 Express](https://www.adafruit.com/product/4382)
+
+To trigger keypress, short together pins *GPIO 12 / PC2* and *GPIO 11 / PC3*.
+
+https://learn.adafruit.com/adafruit-stm32f405-feather-express/dfu-bootloader-details#enabling-dfu-bootloader-mode-3045622-2

keyboards/handwired/micromod_input_display/stm32f405/stm32f405.c

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+// Copyright 2023 QMK
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "quantum.h"
+
+void keyboard_pre_init_kb(void) {
+    setPinOutput(A15);
+    writePinLow(A15);
+    keyboard_pre_init_user();
+}