1 files changed, 55 insertions, 0 deletions

diff --git a/users/bcat/bcat_oled.h b/users/bcat/bcat_oled.h
new file mode 100644
index 000000000..f617e1f06
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+++ b/users/bcat/bcat_oled.h
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+/* Copyright 2021 Jonathan Rascher
+ *
+ * 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/>.
+ */
+
+#pragma once
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "led.h"
+
+/* Keyboard status passed to the oled_task_keymap function and used by the
+ * various keyboard pet implementations.
+ */
+typedef struct {
+    uint8_t mods;
+    led_t   leds;
+    uint8_t wpm;
+} oled_keyboard_state_t;
+
+/* Note: Functions below assume a vertical OLED that is 32px (5 chars) wide. */
+
+/* Renders layer status at the cursor. Occupies 5x1 character cells. */
+void render_oled_layers(void);
+
+/* Renders LED indicators (Num/Caps/Scroll Lock) at the cursor. Occupies 5x3
+ * character cells.
+ */
+void render_oled_indicators(led_t leds);
+
+/* Renders calculated WPM count at the cursor. Occupies 5x2 character cells. */
+void render_oled_wpm(uint8_t wpm);
+
+#if defined(BCAT_OLED_PET)
+/* Renders an animated critter at the cursor that can respond to keystrokes,
+ * typing speed, etc. Should be about 5 character cells wide, but exact height
+ * varies depending on the specific OLED pet implementation linked in.
+ *
+ * The rendered image will be one line taller than the OLED pet's animation
+ * frame height to accommodate pets that "jump" when the spacebar is pressed.
+ */
+void render_oled_pet(uint8_t col, uint8_t line, const oled_keyboard_state_t *keyboard_state);
+#endif