feat: Implement OLED display support and custom icons for 128x32 displays
- Added OLED functionality in keymap.c with custom rendering for layers and modifiers. - Created a Python script to generate simple icons for OLED displays. - Introduced a new rules.mk file to enable OLED features for the keymap. - Developed an OLED font helper script for visualizing and designing custom graphics. - Redesigned OLED layout to fit 128x32 displays, optimizing space for logos and layer indicators. - Implemented flow tap functionality in flow_tap.c for enhanced key responsiveness.
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Smathev
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15 changed files with 1300 additions and 17 deletions
184
generate_simple_icons.py
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generate_simple_icons.py
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#!/usr/bin/env python3
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"""
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Generate a minimal custom font section for 128x32 OLED displays
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This creates simple, readable icons that fit in a single row
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"""
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def generate_simple_icons():
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"""Generate simple icon designs for the custom characters"""
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icons = {}
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# 0x80-0x81: Logo (simple keyboard icon)
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# Row 1 of 2-char logo
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icons[0x80] = [
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0b00111110, # | ████
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0b01000001, # | █ █
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0b01010101, # | █ █ █
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0b01010101, # | █ █ █
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0b01000001, # | █ █
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0b00111110, # | ████
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]
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# Row 2 of 2-char logo
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icons[0x81] = [
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0b00111110, # | ████
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0b01000001, # | █ █
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0b01010101, # | █ █ █
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0b01010101, # | █ █ █
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0b01000001, # | █ █
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0b00111110, # | ████
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]
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# 0x92-0x93: Default/Base layer icon (house or keyboard)
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icons[0x92] = [
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0b00001000, # | █
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0b00011100, # | ███
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0b00111110, # | █████
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0b01111111, # | ███████
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0b00101010, # | █ █ █
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0b00101010, # | █ █ █
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]
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icons[0x93] = [
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0b00010000, # | █
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0b00111000, # | ███
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0b01111100, # | █████
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0b11111110, # | ███████
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0b01010100, # | █ █ █
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0b01010100, # | █ █ █
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]
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# 0x94-0x95: Symbol layer icon (# and $)
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icons[0x94] = [
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0b00100100, # | █ █
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0b01111111, # | ███████
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0b00100100, # | █ █
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0b01111111, # | ███████
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0b00100100, # | █ █
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0b00000000, # |
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]
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icons[0x95] = [
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0b00100100, # | █ █
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0b00101010, # | █ █ █
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0b01111111, # | ███████
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0b00101010, # | █ █ █
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0b00010010, # | █ █
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0b00000000, # |
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]
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# 0x96-0x97: Navigation layer icon (arrows)
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icons[0x96] = [
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0b00001000, # | █
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0b00011100, # | ███
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0b00101010, # | █ █ █
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0b00001000, # | █
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0b00001000, # | █
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0b00001000, # | █
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]
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icons[0x97] = [
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0b00001000, # | █
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0b00001000, # | █
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0b00001000, # | █
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0b00101010, # | █ █ █
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0b00011100, # | ███
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0b00001000, # | █
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]
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# 0x98: GUI/Windows key (simple windows logo)
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icons[0x98] = [
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0b01100110, # | ██ ██
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0b01100110, # | ██ ██
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0b00000000, # |
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0b01111110, # | ██████
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0b01100110, # | ██ ██
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0b01100110, # | ██ ██
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]
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# 0x99: ALT key (simple A)
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icons[0x99] = [
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0b01111110, # | ██████
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0b00001001, # | █ █
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0b00001001, # | █ █
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0b00001001, # | █ █
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0b01111110, # | ██████
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0b00000000, # |
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]
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# 0x9A: CTRL key (simple C)
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icons[0x9A] = [
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0b00111110, # | █████
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0b01000001, # | █ █
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0b01000001, # | █ █
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0b01000001, # | █ █
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0b00100010, # | █ █
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0b00000000, # |
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]
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# 0x9B: SHIFT key (up arrow)
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icons[0x9B] = [
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0b00001000, # | █
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0b00011100, # | ███
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0b00101010, # | █ █ █
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0b00001000, # | █
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0b00001000, # | █
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0b00001000, # | █
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]
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return icons
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def format_hex_array(byte_array):
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"""Format a byte array as hex values for C code"""
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return ", ".join(f"0x{b:02X}" for b in byte_array)
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def main():
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print("="*70)
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print("SIMPLE ICON GENERATOR FOR 128x32 OLED")
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print("="*70)
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print("\nThis generates simple, single-row icons for your custom font.")
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print("Copy these hex values into your glcdfont.c file.\n")
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icons = generate_simple_icons()
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print("// ====================================================================")
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print("// CUSTOM ICONS FOR 128x32 DISPLAY")
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print("// Add these to your glcdfont.c at the appropriate positions")
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print("// ====================================================================\n")
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descriptions = {
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0x80: "Logo part 1 (keyboard icon)",
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0x81: "Logo part 2 (keyboard icon)",
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0x92: "Default layer icon part 1 (home/keyboard)",
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0x93: "Default layer icon part 2 (home/keyboard)",
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0x94: "Symbol layer icon part 1 (# symbol)",
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0x95: "Symbol layer icon part 2 ($ symbol)",
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0x96: "Navigation layer icon part 1 (up arrow)",
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0x97: "Navigation layer icon part 2 (down arrow)",
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0x98: "GUI/Windows modifier key",
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0x99: "ALT modifier key",
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0x9A: "CTRL modifier key",
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0x9B: "SHIFT modifier key (up arrow)",
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}
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for code in sorted(icons.keys()):
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print(f" // Character 0x{code:02X} ({code}): {descriptions.get(code, '')}")
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print(f" {format_hex_array(icons[code])},")
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print()
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print("\n" + "="*70)
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print("USAGE INSTRUCTIONS:")
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print("="*70)
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print("""
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1. Open your glcdfont.c file
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2. Find the position where character 0x80 starts (around line 136)
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3. Replace the hex values at positions 0x80, 0x81, 0x92-0x9B with the above
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4. Save and recompile your firmware
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5. Use the redesigned OLED code from oled_redesign_128x32.c
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TIP: To customize these icons further, use:
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https://helixfonteditor.netlify.com/
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Each character is 6 bytes representing 6 columns of 8 pixels.
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Bit 0 = top pixel, Bit 7 = bottom pixel in each column.
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""")
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if __name__ == "__main__":
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main()
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