[Keyboard] Add nullbits SNAP keyboard (#18916)

Co-authored-by: Ryan <fauxpark@gmail.com>

1 files changed, 163 insertions, 0 deletions

diff --git a/keyboards/nullbitsco/snap/keymaps/oled/keymap.c b/keyboards/nullbitsco/snap/keymaps/oled/keymap.c
new file mode 100644
index 0000000000..4e566fa3ee
--- /dev/null
+++ b/keyboards/nullbitsco/snap/keymaps/oled/keymap.c
@@ -0,0 +1,163 @@
+/* Copyright 2021 Jay Greco
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include QMK_KEYBOARD_H
+#include "oled_graphics.h"
+
+// clang-format off
+enum layers {
+    _BASE,
+    _VIA1,
+    _VIA2
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    [_BASE] = LAYOUT_all(
+             KC_ESC,   KC_F1,   KC_F2,  KC_F3,  KC_F4,  KC_F5,  KC_F6,    KC_F7,  KC_F8,  KC_F9,   KC_F10,    KC_F11,    KC_F12,   KC_PSCR,  KC_PAUS,
+    KC_F13,  KC_GRV,   KC_1,    KC_2,   KC_3,   KC_4,   KC_5,   KC_6,     KC_7,   KC_8,   KC_9,    KC_0,      KC_MINS,   KC_EQL,   KC_BSPC,  KC_DEL,   KC_HOME,
+    KC_F14,  KC_TAB,   KC_Q,    KC_W,   KC_E,   KC_R,           KC_T,     KC_Y,   KC_U,   KC_I,    KC_O,      KC_P,      KC_LBRC,  KC_RBRC,  KC_BSLS,  KC_END,  
+    KC_F15,  KC_CAPS,  KC_A,    KC_S,   KC_D,   KC_F,           KC_G,     KC_H,   KC_J,   KC_K,    KC_L,      KC_SCLN,   KC_QUOT,  KC_ENT,             KC_PGUP,
+    KC_F16,  KC_LSFT,  KC_NUHS, KC_Z,   KC_X,   KC_C,   KC_V,   KC_B,     KC_N,   KC_M,   KC_COMM, KC_DOT,    KC_SLSH,   KC_RSFT,            KC_UP,    KC_PGDN,
+    KC_F17,  KC_LCTL,  KC_LGUI, KC_LALT,     MO(_VIA1),         KC_SPC,   KC_SPC,                  MO(_VIA1), KC_RALT,   KC_RCTL,  KC_LEFT,  KC_DOWN,  KC_RGHT
+  ),
+    [_VIA1] = LAYOUT_all(
+            QK_BOOT,KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,    KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,
+    KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,    KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,
+    KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,          KC_NO,    KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,
+    KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,          KC_NO,    KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,          KC_NO,
+    KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,    KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,          KC_NO,  KC_NO,
+    KC_NO,  KC_NO,  KC_NO,  KC_NO,          KC_NO,          KC_NO,    KC_NO,                  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO
+  ),
+    [_VIA2] = LAYOUT_all(
+            KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,    KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,
+    KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,    KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,
+    KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,          KC_NO,    KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,
+    KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,          KC_NO,    KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,          KC_NO,
+    KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,    KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,          KC_NO,  KC_NO,
+    KC_NO,  KC_NO,  KC_NO,  KC_NO,          KC_NO,          KC_NO,    KC_NO,                  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO,  KC_NO
+  )
+};
+// clang-format on
+
+#if defined(ENCODER_MAP_ENABLE)
+const uint16_t PROGMEM encoder_map[][NUM_ENCODERS][2] = {
+    [_BASE] = { ENCODER_CCW_CW(KC_VOLD, KC_VOLU), ENCODER_CCW_CW(KC_MPRV, KC_MNXT) },
+    [_VIA1] = { ENCODER_CCW_CW(KC_NO, KC_NO),     ENCODER_CCW_CW(KC_NO, KC_NO) },
+    [_VIA2] = { ENCODER_CCW_CW(KC_NO, KC_NO),     ENCODER_CCW_CW(KC_NO, KC_NO) }
+};
+#endif
+
+
+// Decompress and write a precompressed bitmap frame to the OLED.
+// Documentation and python compression script available at:
+// https://github.com/nullbitsco/squeez-o
+#ifdef USE_OLED_BITMAP_COMPRESSION
+static void oled_write_compressed_P(const char* input_block_map, const char* input_block_list) {
+    uint16_t block_index = 0;
+    for (uint16_t i = 0; i < NUM_OLED_BYTES; i++) {
+        uint8_t bit          = i % 8;
+        uint8_t map_index    = i / 8;
+        uint8_t _block_map   = (uint8_t)pgm_read_byte_near(input_block_map + map_index);
+        uint8_t nonzero_byte = (_block_map & (1 << bit));
+        if (nonzero_byte) {
+            const char data = (const char)pgm_read_byte_near(input_block_list + block_index++);
+            oled_write_raw_byte(data, i);
+        } else {
+            const char data = (const char)0x00;
+            oled_write_raw_byte(data, i);
+        }
+    }
+}
+#endif
+
+oled_rotation_t oled_init_user(oled_rotation_t rotation) {
+    if (is_keyboard_left())
+        return OLED_ROTATION_0;
+    else
+        return OLED_ROTATION_180;
+}
+
+static void render_nullbits_logo(void) {
+#ifdef USE_OLED_BITMAP_COMPRESSION
+    oled_write_compressed_P(nullbits_logo_block_map, nullbits_logo_bmp);
+#else
+    oled_write_raw_P(nullbits_logo, sizeof(nullbits_logo));
+#endif
+}
+
+static void render_status(void) {
+    oled_set_cursor(0, 0);
+    oled_write_P(PSTR("SNAP75 "), false);
+    oled_write_P(PSTR("Layer "), false);
+    switch (get_highest_layer(layer_state)) {
+        case _VIA1:
+            oled_write_P(PSTR("FN1 "), false);
+            break;
+        case _VIA2:
+            oled_write_P(PSTR("FN2 "), false);
+            break;
+        default: // use BASE case as default
+            oled_write_P(PSTR("Base"), false);
+    }
+
+    // Host Keyboard LED Status
+    oled_set_cursor(0, 1);
+    static uint8_t persistent_led_state = 0;
+    uint8_t led_usb_state = host_keyboard_leds();
+
+    // Only update if the LED state has changed
+    // Otherwise, the OLED will not turn off if an LED is on.
+    if (persistent_led_state != led_usb_state) {
+        persistent_led_state = led_usb_state;
+        
+        oled_write_ln_P(PSTR(""), false);
+
+        if (IS_LED_ON(led_usb_state, USB_LED_CAPS_LOCK)) {
+            oled_set_cursor(0, 1);
+            oled_write_P(PSTR("CAPS"), false);
+        }
+
+        if (IS_LED_ON(led_usb_state, USB_LED_NUM_LOCK)) {
+            oled_set_cursor(5, 1);
+            oled_write_P(PSTR("NUM"), true);
+        }
+
+        if (IS_LED_ON(led_usb_state, USB_LED_SCROLL_LOCK)) {
+            oled_set_cursor(9, 1);
+            oled_write_P(PSTR("SCR"), false);
+        }
+    }
+
+    // WPM and max WPM
+    oled_set_cursor(0, 2);
+    oled_write_P(PSTR("WPM "), false);
+    uint8_t current_wpm = get_current_wpm();
+    oled_write(get_u8_str(current_wpm, '0'), true);
+
+    oled_set_cursor(8, 2);
+    oled_write_P(PSTR("MAX "), false);
+    static uint8_t max_wpm;
+    max_wpm = MAX(max_wpm, current_wpm);
+    oled_write(get_u8_str(max_wpm, '0'), true);
+}
+
+bool oled_task_user(void) {
+    if (is_keyboard_master()) {
+        render_status();
+    } else {
+        render_nullbits_logo();
+    }
+    return true;
+}