From 27e6e27d3a2ff9d91bcf0f189cdc39509bef0335 Mon Sep 17 00:00:00 2001 From: Jay Greco Date: Sun, 2 Apr 2023 12:12:06 -0700 Subject: [Keyboard] Add nullbits SNAP keyboard (#18916) Co-authored-by: Ryan --- .../nullbitsco/snap/keymaps/bongo_reactive/bongo.h | 121 +++++++++++++++++++++ 1 file changed, 121 insertions(+) create mode 100644 keyboards/nullbitsco/snap/keymaps/bongo_reactive/bongo.h (limited to 'keyboards/nullbitsco/snap/keymaps/bongo_reactive/bongo.h') diff --git a/keyboards/nullbitsco/snap/keymaps/bongo_reactive/bongo.h b/keyboards/nullbitsco/snap/keymaps/bongo_reactive/bongo.h new file mode 100644 index 0000000000..0cf1de3045 --- /dev/null +++ b/keyboards/nullbitsco/snap/keymaps/bongo_reactive/bongo.h @@ -0,0 +1,121 @@ +/* Copyright 2021 Chris Tanaka + * + * 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 . + */ + +#include "bongo_graphics.h" +#include QMK_KEYBOARD_H + +#define _IDLE_FRAMES 5 +#define _PREP_FRAMES 1 +#define _TAP_FRAMES 2 +#define _ANIM_BYTES 512 // Number of bytes in array (max is 1024) +#define _IDLE_FRAME_DURATION 175 +#define _TAP_FRAME_DURATION 75 +#define _PREP_TIMEOUT 750 + +enum anim_states +{ + Idle, + Prep, + Tap +}; + +static uint8_t anim_state = Idle; +static uint8_t anim_duration = _IDLE_FRAME_DURATION; +static uint32_t anim_timer = 0; + +static uint8_t idle_frame = 0; +static uint8_t tap_frame = 0; + +static uint32_t prep_timer = 0; + +// 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 + +static void animate(uint8_t x, uint8_t y) { + oled_set_cursor(x, y); + + // Update frame + switch (anim_state) { + case Idle: + idle_frame = (idle_frame + 1) % _IDLE_FRAMES; + #ifdef USE_OLED_BITMAP_COMPRESSION + oled_write_compressed_P(idle_block_map[abs(1 - idle_frame)], idle[abs(1 - idle_frame)]); + #else + oled_write_raw_P(idle[abs(1 - idle_frame)], sizeof(idle[abs(1 - idle_frame)])); + #endif + break; + case Prep: + #ifdef USE_OLED_BITMAP_COMPRESSION + oled_write_compressed_P(prep_block_map[0], prep[0]); + #else + oled_write_raw_P(prep[0], sizeof(prep[0])); + #endif + break; + case Tap: + tap_frame = (tap_frame + 1) % _TAP_FRAMES; + #ifdef USE_OLED_BITMAP_COMPRESSION + oled_write_compressed_P(tap_block_map[abs(1 - tap_frame)], tap[abs(1 - tap_frame)]); + #else + oled_write_raw_P(tap[abs(1 - tap_frame)], sizeof(tap[abs(1 - tap_frame)])); + #endif + break; + default: + break; + } +} + +void bongo_render(uint8_t x, uint8_t y) { + if (timer_elapsed32(anim_timer) > anim_duration) { + anim_timer = timer_read32(); + animate(x, y); + } + + if (anim_state == Prep && timer_elapsed32(prep_timer) > _PREP_TIMEOUT) { + anim_state = Idle; + anim_duration = _IDLE_FRAME_DURATION; + } +} + +void bongo_process_record(keyrecord_t *record) { + if (record->event.pressed) { + anim_state = Tap; + anim_duration = _TAP_FRAME_DURATION; + } else { + if (anim_state == Tap) { + anim_state = Prep; + prep_timer = timer_read32(); + } + } +} -- cgit v1.2.3