[Keyboard] Add Pica40 (#19220)

Co-authored-by: Drashna Jaelre <drashna@live.com>

keyboards/pica40/rev1/config.h

@@ -0,0 +1,9 @@
+// Copyright 2022 zzeneg (@zzeneg)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#ifdef RGBLIGHT_ENABLE
+#    define RGBLIGHT_DISABLE_KEYCODES // disable keycodes for RGB Light controls, only status LED is supported
+#    define PICA40_RGBLIGHT_TIMEOUT 5 // turn RGB off after N minutes
+#endif

keyboards/pica40/rev1/info.json

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+{
+    "processor": "atmega32u4",
+    "bootloader": "caterina",
+    "diode_direction": "COL2ROW",
+    "matrix_pins": {
+        "cols": ["D2", "B5", "B4", "E6", "D7"],
+        "rows": ["B1", "B3", "B2", "B6", "F4", "F5", "F6", "F7"]
+    },
+    "features": {
+        "bootmagic": true,
+        "command": false,
+        "console": false,
+        "mousekey": true,
+        "extrakey": true,
+        "encoder": true,
+        "oled": true,
+        "rgblight": true,
+        "nkro": true
+    },
+    "rgblight": {
+        "led_count": 1,
+        "pin": "D3",
+        "layers": {
+            "enabled": true,
+            "max": 3
+        }
+    },
+    "encoder": {
+        "rotary": [{ "pin_a": "C6", "pin_b": "D4" }]
+    },
+    "usb": {
+        "device_version": "1.0.0",
+        "pid": "0x0841",
+        "vid": "0xFEED"
+    },
+    "build": {
+        "lto": true
+    }
+}

keyboards/pica40/rev1/rev1.c

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+// Copyright 2022 zzeneg (@zzeneg)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "rev1.h"
+
+#ifdef PICA40_RGBLIGHT_TIMEOUT
+
+uint16_t check_rgblight_timer = 0;
+uint16_t idle_timer = 0;
+uint8_t counter = 0;
+
+void housekeeping_task_kb(void) {
+    if (timer_elapsed(check_rgblight_timer) > 1000) {
+        check_rgblight_timer = timer_read();
+
+        if (rgblight_is_enabled() && timer_elapsed(idle_timer) > 10000) {
+            idle_timer = timer_read();
+            counter++;
+        }
+
+        if (rgblight_is_enabled() && counter > PICA40_RGBLIGHT_TIMEOUT * 6) {
+            counter = 0;
+            rgblight_disable_noeeprom();
+        }
+    }
+
+    housekeeping_task_user();
+}
+
+bool process_record_kb(uint16_t keycode, keyrecord_t *record) {
+    if (record->event.pressed && timer_elapsed(idle_timer) > 1000) {
+        idle_timer = timer_read();
+        counter = 0;
+        if (!rgblight_is_enabled()) {
+            rgblight_enable_noeeprom();
+        }
+    }
+
+    return process_record_user(keycode, record);
+}
+
+void keyboard_post_init_kb(void) {
+    check_rgblight_timer = timer_read();
+    idle_timer = timer_read();
+    rgblight_enable_noeeprom();
+
+    keyboard_post_init_user();
+}
+
+
+#endif // PICA40_RGBLIGHT_TIMEOUT
+
+#ifdef OLED_ENABLE
+
+oled_rotation_t oled_init_kb(oled_rotation_t rotation) {
+    return OLED_ROTATION_270;
+}
+
+void render_mods(uint8_t modifiers) {
+    oled_write_ln_P((modifiers & MOD_MASK_CTRL) ? PSTR("Ctrl") : PSTR(" "), false);
+    oled_write_ln_P((modifiers & MOD_MASK_ALT) ? PSTR("Alt") : PSTR(" "), false);
+    oled_write_ln_P((modifiers & MOD_MASK_SHIFT) ? PSTR("Shft") : PSTR(" "), false);
+    oled_write_ln_P((modifiers & MOD_MASK_GUI) ? PSTR("GUI") : PSTR(" "), false);
+}
+
+bool oled_task_kb(void) {
+    // display's top is hidden by cover
+    oled_write_ln_P(PSTR(" "), false);
+    oled_write_ln_P(PSTR(" "), false);
+    oled_write_ln_P(PSTR(" "), false);
+
+    if (!oled_task_user()) return false;
+
+    render_mods(get_mods());
+
+    return true;
+}
+
+#endif // OLED_ENABLE
+
+#ifdef ENCODER_ENABLE
+
+bool encoder_update_kb(uint8_t index, bool clockwise) {
+    if (!encoder_update_user(index, clockwise)) return false;
+
+    tap_code(clockwise ? KC_VOLU : KC_VOLD);
+
+    return false;
+}
+
+#endif // ENCODER_ENABLE

keyboards/pica40/rev1/rev1.h

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+// Copyright 2022 zzeneg (@zzeneg)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "quantum.h"

keyboards/pica40/rev1/rules.mk

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+OLED_DRIVER = SSD1306