OLED Driver improvements (#20331)

Co-authored-by: Sergey Vlasov <sigprof@gmail.com>

3 files changed, 1 insertions, 858 deletions

diff --git a/keyboards/adafruit/macropad/lib/oled_driver_spi.h b/keyboards/adafruit/macropad/lib/oled_driver_spi.h
deleted file mode 100644
index c8a2cd7d9a..0000000000
--- a/keyboards/adafruit/macropad/lib/oled_driver_spi.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/* Copyright 2022 Jose Pablo Ramirez <jp.ramangulo@gmail.com>
- *
- * 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
-
-#ifndef OLED_DC_PIN
-#   error "The OLED driver in SPI needs a D/C pin defined"
-#endif
-#ifndef OLED_CS_PIN
-#   error "The OLED driver in SPI needs a CS pin defined"
-#endif
-#ifndef OLED_SPI_MODE
-#   define OLED_SPI_MODE 3
-#endif
-#ifndef OLED_SPI_DIVISOR
-#   define OLED_SPI_DIVISOR 2
-#endif
diff --git a/keyboards/adafruit/macropad/lib/ssd1306_sh1106.c b/keyboards/adafruit/macropad/lib/ssd1306_sh1106.c
deleted file mode 100644
index 1b05809640..0000000000
--- a/keyboards/adafruit/macropad/lib/ssd1306_sh1106.c
+++ /dev/null
@@ -1,825 +0,0 @@
-/*
-Copyright 2019 Ryan Caltabiano <https://github.com/XScorpion2>
-Copyright 2022 Jose Pablo Ramirez <jp.ramangulo@gmail.com>
-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 "oled_driver.h"
-#include "oled_driver_spi.h"
-
-#include "spi_master.h"
-
-#include <quantum.h>
-#include OLED_FONT_H
-#include "timer.h"
-#include "print.h"
-
-#include <string.h>
-
-#include "progmem.h"
-
-#include "keyboard.h"
-
-// Used commands from spec sheet: https://cdn-shop.adafruit.com/datasheets/SSD1306.pdf
-// for SH1106: https://www.velleman.eu/downloads/29/infosheets/sh1106_datasheet.pdf
-
-// Fundamental Commands
-#define CONTRAST 0x81
-#define DISPLAY_ALL_ON 0xA5
-#define DISPLAY_ALL_ON_RESUME 0xA4
-#define NORMAL_DISPLAY 0xA6
-#define INVERT_DISPLAY 0xA7
-#define DISPLAY_ON 0xAF
-#define DISPLAY_OFF 0xAE
-#define NOP 0xE3
-
-// Scrolling Commands
-#define ACTIVATE_SCROLL 0x2F
-#define DEACTIVATE_SCROLL 0x2E
-#define SCROLL_RIGHT 0x26
-#define SCROLL_LEFT 0x27
-#define SCROLL_RIGHT_UP 0x29
-#define SCROLL_LEFT_UP 0x2A
-
-// Addressing Setting Commands
-#define MEMORY_MODE 0x20
-#define COLUMN_ADDR 0x21
-#define PAGE_ADDR 0x22
-#define PAM_SETCOLUMN_LSB 0x00
-#define PAM_SETCOLUMN_MSB 0x10
-#define PAM_PAGE_ADDR 0xB0 // 0xb0 -- 0xb7
-
-// Hardware Configuration Commands
-#define DISPLAY_START_LINE 0x40
-#define SEGMENT_REMAP 0xA0
-#define SEGMENT_REMAP_INV 0xA1
-#define MULTIPLEX_RATIO 0xA8
-#define COM_SCAN_INC 0xC0
-#define COM_SCAN_DEC 0xC8
-#define DISPLAY_OFFSET 0xD3
-#define COM_PINS 0xDA
-#define COM_PINS_SEQ 0x02
-#define COM_PINS_ALT 0x12
-#define COM_PINS_SEQ_LR 0x22
-#define COM_PINS_ALT_LR 0x32
-
-// Timing & Driving Commands
-#define DISPLAY_CLOCK 0xD5
-#define PRE_CHARGE_PERIOD 0xD9
-#define VCOM_DETECT 0xDB
-
-// Advance Graphic Commands
-#define FADE_BLINK 0x23
-#define ENABLE_FADE 0x20
-#define ENABLE_BLINK 0x30
-
-// Charge Pump Commands
-#define CHARGE_PUMP 0x8D
-
-// Misc defines
-#ifndef OLED_BLOCK_COUNT
-#    define OLED_BLOCK_COUNT (sizeof(OLED_BLOCK_TYPE) * 8)
-#endif
-#ifndef OLED_BLOCK_SIZE
-#    define OLED_BLOCK_SIZE (OLED_MATRIX_SIZE / OLED_BLOCK_COUNT)
-#endif
-
-#define OLED_ALL_BLOCKS_MASK (((((OLED_BLOCK_TYPE)1 << (OLED_BLOCK_COUNT - 1)) - 1) << 1) | 1)
-
-// spi defines
-#define OLED_STATUS_SUCCESS SPI_STATUS_SUCCESS
-
-void oled_spi_init(void) {
-    spi_init();
-
-    setPinOutput(OLED_CS_PIN);
-    writePinHigh(OLED_CS_PIN);
-
-    setPinOutput(OLED_DC_PIN);
-    writePinLow(OLED_DC_PIN);
-}
-
-void oled_spi_start(void) {
-    spi_start(OLED_CS_PIN, false, OLED_SPI_MODE, OLED_SPI_DIVISOR);
-}
-
-void oled_spi_stop(void) {
-    spi_stop();
-}
-
-// Transmit/Write Funcs.
-bool oled_cmd(const uint8_t *data, uint16_t size) {
-    oled_spi_start();
-    // Command Mode
-    writePinLow(OLED_DC_PIN);
-    // Send the commands
-    if(spi_transmit(data, size) != OLED_STATUS_SUCCESS){
-        oled_spi_stop();
-        return false;
-    }
-    oled_spi_stop();
-    return true;
-}
-
-bool oled_cmd_p(const uint8_t *data, uint16_t size) {
-    return oled_cmd(data, size);
-}
-
-bool oled_write_reg(const uint8_t *data, uint16_t size)
-{
-    oled_spi_start();
-    // Command Mode
-    writePinHigh(OLED_DC_PIN);
-    // Send the commands
-    if(spi_transmit(data, size) != OLED_STATUS_SUCCESS){
-        oled_spi_stop();
-        return false;
-    }
-    oled_spi_stop();
-    return true;
-}
-
-#define HAS_FLAGS(bits, flags) ((bits & flags) == flags)
-
-// Display buffer's is the same as the OLED memory layout
-// this is so we don't end up with rounding errors with
-// parts of the display unusable or don't get cleared correctly
-// and also allows for drawing & inverting
-uint8_t         oled_buffer[OLED_MATRIX_SIZE];
-uint8_t *       oled_cursor;
-OLED_BLOCK_TYPE oled_dirty          = 0;
-bool            oled_initialized    = false;
-bool            oled_active         = false;
-bool            oled_scrolling      = false;
-bool            oled_inverted       = false;
-uint8_t         oled_brightness     = OLED_BRIGHTNESS;
-oled_rotation_t oled_rotation       = 0;
-uint8_t         oled_rotation_width = 0;
-uint8_t         oled_scroll_speed   = 0; // this holds the speed after being remapped to ssd1306 internal values
-uint8_t         oled_scroll_start   = 0;
-uint8_t         oled_scroll_end     = 7;
-#if OLED_TIMEOUT > 0
-uint32_t oled_timeout;
-#endif
-#if OLED_SCROLL_TIMEOUT > 0
-uint32_t oled_scroll_timeout;
-#endif
-#if OLED_UPDATE_INTERVAL > 0
-uint16_t oled_update_timeout;
-#endif
-
-// Flips the rendering bits for a character at the current cursor position
-static void InvertCharacter(uint8_t *cursor) {
-    const uint8_t *end = cursor + OLED_FONT_WIDTH;
-    while (cursor < end) {
-        *cursor = ~(*cursor);
-        cursor++;
-    }
-}
-
-bool oled_init(oled_rotation_t rotation) {
-    oled_rotation = oled_init_user(oled_init_kb(rotation));
-    if (!HAS_FLAGS(oled_rotation, OLED_ROTATION_90)) {
-        oled_rotation_width = OLED_DISPLAY_WIDTH;
-    } else {
-        oled_rotation_width = OLED_DISPLAY_HEIGHT;
-    }
-
-    oled_spi_init();
-
-#ifdef OLED_RST_PIN
-    /* Reset device */
-    setPinOutput(OLED_RST_PIN);
-    writePinLow(OLED_RST_PIN);
-    wait_ms(20);
-    writePinHigh(OLED_RST_PIN);
-    wait_ms(20);
-#endif
-
-    static const uint8_t PROGMEM display_setup1[] = {
-        DISPLAY_OFF,
-        DISPLAY_CLOCK,
-        0x80,
-        MULTIPLEX_RATIO,
-        OLED_DISPLAY_HEIGHT - 1,
-        DISPLAY_OFFSET,
-        0x00,
-        DISPLAY_START_LINE | 0x00,
-        CHARGE_PUMP,
-        0x14,
-#if (OLED_IC != OLED_IC_SH1106)
-        // MEMORY_MODE is unsupported on SH1106 (Page Addressing only)
-        MEMORY_MODE,
-        0x00, // Horizontal addressing mode
-#endif
-    };
-
-    if (!oled_cmd_p(display_setup1, ARRAY_SIZE(display_setup1))) {
-        print("oled_init cmd set 1 failed\n");
-        return false;
-    }
-
-    if (!HAS_FLAGS(oled_rotation, OLED_ROTATION_180)) {
-        static const uint8_t PROGMEM display_normal[] = {SEGMENT_REMAP_INV, COM_SCAN_DEC};
-        if (!oled_cmd_p(display_normal, ARRAY_SIZE(display_normal))) {
-            print("oled_init cmd normal rotation failed\n");
-            return false;
-        }
-    } else {
-        static const uint8_t PROGMEM display_flipped[] = {SEGMENT_REMAP, COM_SCAN_INC};
-        if (!oled_cmd_p(display_flipped, ARRAY_SIZE(display_flipped))) {
-            print("display_flipped failed\n");
-            return false;
-        }
-    }
-
-    static const uint8_t PROGMEM display_setup2[] = {COM_PINS, OLED_COM_PINS, CONTRAST, OLED_BRIGHTNESS, PRE_CHARGE_PERIOD, 0xF1, VCOM_DETECT, 0x20, DISPLAY_ALL_ON_RESUME, NORMAL_DISPLAY, DEACTIVATE_SCROLL, DISPLAY_ON};
-    if (!oled_cmd_p(display_setup2, ARRAY_SIZE(display_setup2))) {
-        print("display_setup2 failed\n");
-        return false;
-    }
-
-#if OLED_TIMEOUT > 0
-    oled_timeout = timer_read32() + OLED_TIMEOUT;
-#endif
-#if OLED_SCROLL_TIMEOUT > 0
-    oled_scroll_timeout = timer_read32() + OLED_SCROLL_TIMEOUT;
-#endif
-
-    oled_clear();
-    oled_initialized = true;
-    oled_active      = true;
-    oled_scrolling   = false;
-    return true;
-}
-
-__attribute__((weak)) oled_rotation_t oled_init_kb(oled_rotation_t rotation) {
-    return rotation;
-}
-__attribute__((weak)) oled_rotation_t oled_init_user(oled_rotation_t rotation) {
-    return rotation;
-}
-
-void oled_clear(void) {
-    memset(oled_buffer, 0, sizeof(oled_buffer));
-    oled_cursor = &oled_buffer[0];
-    oled_dirty  = OLED_ALL_BLOCKS_MASK;
-}
-
-static void calc_bounds(uint8_t update_start, uint8_t *cmd_array) {
-    // Calculate commands to set memory addressing bounds.
-    uint8_t start_page   = OLED_BLOCK_SIZE * update_start / OLED_DISPLAY_WIDTH;
-    uint8_t start_column = OLED_BLOCK_SIZE * update_start % OLED_DISPLAY_WIDTH;
-#if (OLED_IC == OLED_IC_SH1106)
-    // Commands for Page Addressing Mode. Sets starting page and column; has no end bound.
-    // Column value must be split into high and low nybble and sent as two commands.
-    cmd_array[0] = PAM_PAGE_ADDR | start_page;
-    cmd_array[1] = PAM_SETCOLUMN_LSB | ((OLED_COLUMN_OFFSET + start_column) & 0x0f);
-    cmd_array[2] = PAM_SETCOLUMN_MSB | ((OLED_COLUMN_OFFSET + start_column) >> 4 & 0x0f);
-    cmd_array[3] = NOP;
-    cmd_array[4] = NOP;
-    cmd_array[5] = NOP;
-#else
-    // Commands for use in Horizontal Addressing mode.
-    cmd_array[1] = start_column;
-    cmd_array[4] = start_page;
-    cmd_array[2] = (OLED_BLOCK_SIZE + OLED_DISPLAY_WIDTH - 1) % OLED_DISPLAY_WIDTH + cmd_array[1];
-    cmd_array[5] = (OLED_BLOCK_SIZE + OLED_DISPLAY_WIDTH - 1) / OLED_DISPLAY_WIDTH - 1;
-#endif
-}
-
-static void calc_bounds_90(uint8_t update_start, uint8_t *cmd_array) {
-    cmd_array[1] = OLED_BLOCK_SIZE * update_start / OLED_DISPLAY_HEIGHT * 8;
-    cmd_array[4] = OLED_BLOCK_SIZE * update_start % OLED_DISPLAY_HEIGHT;
-    cmd_array[2] = (OLED_BLOCK_SIZE + OLED_DISPLAY_HEIGHT - 1) / OLED_DISPLAY_HEIGHT * 8 - 1 + cmd_array[1];
-    ;
-    cmd_array[5] = (OLED_BLOCK_SIZE + OLED_DISPLAY_HEIGHT - 1) % OLED_DISPLAY_HEIGHT / 8;
-}
-
-uint8_t crot(uint8_t a, int8_t n) {
-    const uint8_t mask = 0x7;
-    n &= mask;
-    return a << n | a >> (-n & mask);
-}
-
-static void rotate_90(const uint8_t *src, uint8_t *dest) {
-    for (uint8_t i = 0, shift = 7; i < 8; ++i, --shift) {
-        uint8_t selector = (1 << i);
-        for (uint8_t j = 0; j < 8; ++j) {
-            dest[i] |= crot(src[j] & selector, shift - (int8_t)j);
-        }
-    }
-}
-
-void oled_render(void) {
-    if (!oled_initialized) {
-        return;
-    }
-
-    // Do we have work to do?
-    oled_dirty &= OLED_ALL_BLOCKS_MASK;
-    if (!oled_dirty || oled_scrolling) {
-        return;
-    }
-
-    // Find first dirty block
-    uint8_t update_start = 0;
-    while (!(oled_dirty & ((OLED_BLOCK_TYPE)1 << update_start))) {
-        ++update_start;
-    }
-
-    // Set column & page position
-    static uint8_t display_start[] = {COLUMN_ADDR, 0, OLED_DISPLAY_WIDTH - 1, PAGE_ADDR, 0, OLED_DISPLAY_HEIGHT / 8 - 1};
-    if (!HAS_FLAGS(oled_rotation, OLED_ROTATION_90)) {
-        calc_bounds(update_start, display_start);
-    } else {
-        calc_bounds_90(update_start, display_start);
-    }
-
-    // Send column & page position
-    if (!oled_cmd(display_start, ARRAY_SIZE(display_start))) {
-        print("oled_render offset command failed\n");
-        return;
-    }
-
-    if (!HAS_FLAGS(oled_rotation, OLED_ROTATION_90)) {
-        // Send render data chunk as is
-        if (!oled_write_reg(&oled_buffer[OLED_BLOCK_SIZE * update_start], OLED_BLOCK_SIZE)) {
-            print("oled_render data failed\n");
-            return;
-        }
-    } else {
-        // Rotate the render chunks
-        const static uint8_t source_map[] = OLED_SOURCE_MAP;
-        const static uint8_t target_map[] = OLED_TARGET_MAP;
-
-        static uint8_t temp_buffer[OLED_BLOCK_SIZE];
-        memset(temp_buffer, 0, sizeof(temp_buffer));
-        for (uint8_t i = 0; i < sizeof(source_map); ++i) {
-            rotate_90(&oled_buffer[OLED_BLOCK_SIZE * update_start + source_map[i]], &temp_buffer[target_map[i]]);
-        }
-
-        // Send render data chunk after rotating
-        if (!oled_write_reg(temp_buffer, OLED_BLOCK_SIZE)) {
-            print("oled_render90 data failed\n");
-            return;
-        }
-    }
-
-    // Turn on display if it is off
-    oled_on();
-
-    // Clear dirty flag
-    oled_dirty &= ~((OLED_BLOCK_TYPE)1 << update_start);
-}
-
-void oled_set_cursor(uint8_t col, uint8_t line) {
-    uint16_t index = line * oled_rotation_width + col * OLED_FONT_WIDTH;
-
-    // Out of bounds?
-    if (index >= OLED_MATRIX_SIZE) {
-        index = 0;
-    }
-
-    oled_cursor = &oled_buffer[index];
-}
-
-void oled_advance_page(bool clearPageRemainder) {
-    uint16_t index     = oled_cursor - &oled_buffer[0];
-    uint8_t  remaining = oled_rotation_width - (index % oled_rotation_width);
-
-    if (clearPageRemainder) {
-        // Remaining Char count
-        remaining = remaining / OLED_FONT_WIDTH;
-
-        // Write empty character until next line
-        while (remaining--)
-            oled_write_char(' ', false);
-    } else {
-        // Next page index out of bounds?
-        if (index + remaining >= OLED_MATRIX_SIZE) {
-            index     = 0;
-            remaining = 0;
-        }
-
-        oled_cursor = &oled_buffer[index + remaining];
-    }
-}
-
-void oled_advance_char(void) {
-    uint16_t nextIndex      = oled_cursor - &oled_buffer[0] + OLED_FONT_WIDTH;
-    uint8_t  remainingSpace = oled_rotation_width - (nextIndex % oled_rotation_width);
-
-    // Do we have enough space on the current line for the next character
-    if (remainingSpace < OLED_FONT_WIDTH) {
-        nextIndex += remainingSpace;
-    }
-
-    // Did we go out of bounds
-    if (nextIndex >= OLED_MATRIX_SIZE) {
-        nextIndex = 0;
-    }
-
-    // Update cursor position
-    oled_cursor = &oled_buffer[nextIndex];
-}
-
-// Main handler that writes character data to the display buffer
-void oled_write_char(const char data, bool invert) {
-    // Advance to the next line if newline
-    if (data == '\n') {
-        // Old source wrote ' ' until end of line...
-        oled_advance_page(true);
-        return;
-    }
-
-    if (data == '\r') {
-        oled_advance_page(false);
-        return;
-    }
-
-    // copy the current render buffer to check for dirty after
-    static uint8_t oled_temp_buffer[OLED_FONT_WIDTH];
-    memcpy(&oled_temp_buffer, oled_cursor, OLED_FONT_WIDTH);
-
-    _Static_assert(sizeof(font) >= ((OLED_FONT_END + 1 - OLED_FONT_START) * OLED_FONT_WIDTH), "OLED_FONT_END references outside array");
-
-    // set the reder buffer data
-    uint8_t cast_data = (uint8_t)data; // font based on unsigned type for index
-    if (cast_data < OLED_FONT_START || cast_data > OLED_FONT_END) {
-        memset(oled_cursor, 0x00, OLED_FONT_WIDTH);
-    } else {
-        const uint8_t *glyph = &font[(cast_data - OLED_FONT_START) * OLED_FONT_WIDTH];
-        memcpy_P(oled_cursor, glyph, OLED_FONT_WIDTH);
-    }
-
-    // Invert if needed
-    if (invert) {
-        InvertCharacter(oled_cursor);
-    }
-
-    // Dirty check
-    if (memcmp(&oled_temp_buffer, oled_cursor, OLED_FONT_WIDTH)) {
-        uint16_t index = oled_cursor - &oled_buffer[0];
-        oled_dirty |= ((OLED_BLOCK_TYPE)1 << (index / OLED_BLOCK_SIZE));
-        // Edgecase check if the written data spans the 2 chunks
-        oled_dirty |= ((OLED_BLOCK_TYPE)1 << ((index + OLED_FONT_WIDTH - 1) / OLED_BLOCK_SIZE));
-    }
-
-    // Finally move to the next char
-    oled_advance_char();
-}
-
-void oled_write(const char *data, bool invert) {
-    const char *end = data + strlen(data);
-    while (data < end) {
-        oled_write_char(*data, invert);
-        data++;
-    }
-}
-
-void oled_write_ln(const char *data, bool invert) {
-    oled_write(data, invert);
-    oled_advance_page(true);
-}
-
-void oled_pan(bool left) {
-    uint16_t i = 0;
-    for (uint16_t y = 0; y < OLED_DISPLAY_HEIGHT / 8; y++) {
-        if (left) {
-            for (uint16_t x = 0; x < OLED_DISPLAY_WIDTH - 1; x++) {
-                i              = y * OLED_DISPLAY_WIDTH + x;
-                oled_buffer[i] = oled_buffer[i + 1];
-            }
-        } else {
-            for (uint16_t x = OLED_DISPLAY_WIDTH - 1; x > 0; x--) {
-                i              = y * OLED_DISPLAY_WIDTH + x;
-                oled_buffer[i] = oled_buffer[i - 1];
-            }
-        }
-    }
-    oled_dirty = OLED_ALL_BLOCKS_MASK;
-}
-
-oled_buffer_reader_t oled_read_raw(uint16_t start_index) {
-    if (start_index > OLED_MATRIX_SIZE) start_index = OLED_MATRIX_SIZE;
-    oled_buffer_reader_t ret_reader;
-    ret_reader.current_element         = &oled_buffer[start_index];
-    ret_reader.remaining_element_count = OLED_MATRIX_SIZE - start_index;
-    return ret_reader;
-}
-
-void oled_write_raw_byte(const char data, uint16_t index) {
-    if (index > OLED_MATRIX_SIZE) index = OLED_MATRIX_SIZE;
-    if (oled_buffer[index] == data) return;
-    oled_buffer[index] = data;
-    oled_dirty |= ((OLED_BLOCK_TYPE)1 << (index / OLED_BLOCK_SIZE));
-}
-
-void oled_write_raw(const char *data, uint16_t size) {
-    uint16_t cursor_start_index = oled_cursor - &oled_buffer[0];
-    if ((size + cursor_start_index) > OLED_MATRIX_SIZE) size = OLED_MATRIX_SIZE - cursor_start_index;
-    for (uint16_t i = cursor_start_index; i < cursor_start_index + size; i++) {
-        uint8_t c = *data++;
-        if (oled_buffer[i] == c) continue;
-        oled_buffer[i] = c;
-        oled_dirty |= ((OLED_BLOCK_TYPE)1 << (i / OLED_BLOCK_SIZE));
-    }
-}
-
-void oled_write_pixel(uint8_t x, uint8_t y, bool on) {
-    if (x >= oled_rotation_width) {
-        return;
-    }
-    uint16_t index = x + (y / 8) * oled_rotation_width;
-    if (index >= OLED_MATRIX_SIZE) {
-        return;
-    }
-    uint8_t data = oled_buffer[index];
-    if (on) {
-        data |= (1 << (y % 8));
-    } else {
-        data &= ~(1 << (y % 8));
-    }
-    if (oled_buffer[index] != data) {
-        oled_buffer[index] = data;
-        oled_dirty |= ((OLED_BLOCK_TYPE)1 << (index / OLED_BLOCK_SIZE));
-    }
-}
-
-#if defined(__AVR__)
-void oled_write_P(const char *data, bool invert) {
-    uint8_t c = pgm_read_byte(data);
-    while (c != 0) {
-        oled_write_char(c, invert);
-        c = pgm_read_byte(++data);
-    }
-}
-
-void oled_write_ln_P(const char *data, bool invert) {
-    oled_write_P(data, invert);
-    oled_advance_page(true);
-}
-
-void oled_write_raw_P(const char *data, uint16_t size) {
-    uint16_t cursor_start_index = oled_cursor - &oled_buffer[0];
-    if ((size + cursor_start_index) > OLED_MATRIX_SIZE) size = OLED_MATRIX_SIZE - cursor_start_index;
-    for (uint16_t i = cursor_start_index; i < cursor_start_index + size; i++) {
-        uint8_t c = pgm_read_byte(data++);
-        if (oled_buffer[i] == c) continue;
-        oled_buffer[i] = c;
-        oled_dirty |= ((OLED_BLOCK_TYPE)1 << (i / OLED_BLOCK_SIZE));
-    }
-}
-#endif // defined(__AVR__)
-
-bool oled_on(void) {
-    if (!oled_initialized) {
-        return oled_active;
-    }
-
-#if OLED_TIMEOUT > 0
-    oled_timeout = timer_read32() + OLED_TIMEOUT;
-#endif
-
-    static const uint8_t PROGMEM display_on[] =
-#ifdef OLED_FADE_OUT
-        {FADE_BLINK, 0x00};
-#else
-        {DISPLAY_ON};
-#endif
-
-    if (!oled_active) {
-        if (!oled_cmd_p(display_on, ARRAY_SIZE(display_on))) {
-            print("oled_on cmd failed\n");
-            return oled_active;
-        }
-        oled_active = true;
-    }
-    return oled_active;
-}
-
-bool oled_off(void) {
-    if (!oled_initialized) {
-        return !oled_active;
-    }
-
-    static const uint8_t PROGMEM display_off[] =
-#ifdef OLED_FADE_OUT
-        {FADE_BLINK, ENABLE_FADE | OLED_FADE_OUT_INTERVAL};
-#else
-        {DISPLAY_OFF};
-#endif
-
-    if (oled_active) {
-        if (!oled_cmd_p(display_off, ARRAY_SIZE(display_off))) {
-            print("oled_off cmd failed\n");
-            return oled_active;
-        }
-        oled_active = false;
-    }
-    return !oled_active;
-}
-
-bool is_oled_on(void) {
-    return oled_active;
-}
-
-uint8_t oled_set_brightness(uint8_t level) {
-    if (!oled_initialized) {
-        return oled_brightness;
-    }
-
-    uint8_t set_contrast[] = { CONTRAST, level};
-    if (oled_brightness != level) {
-        if (!oled_cmd(set_contrast, ARRAY_SIZE(set_contrast))) {
-            print("set_brightness cmd failed\n");
-            return oled_brightness;
-        }
-        oled_brightness = level;
-    }
-    return oled_brightness;
-}
-
-uint8_t oled_get_brightness(void) {
-    return oled_brightness;
-}
-
-// Set the specific 8 lines rows of the screen to scroll.
-// 0 is the default for start, and 7 for end, which is the entire
-// height of the screen.  For 128x32 screens, rows 4-7 are not used.
-void oled_scroll_set_area(uint8_t start_line, uint8_t end_line) {
-    oled_scroll_start = start_line;
-    oled_scroll_end   = end_line;
-}
-
-void oled_scroll_set_speed(uint8_t speed) {
-    // Sets the speed for scrolling... does not take effect
-    // until scrolling is either started or restarted
-    // the ssd1306 supports 8 speeds
-    // FrameRate2   speed = 7
-    // FrameRate3   speed = 4
-    // FrameRate4   speed = 5
-    // FrameRate5   speed = 0
-    // FrameRate25  speed = 6
-    // FrameRate64  speed = 1
-    // FrameRate128 speed = 2
-    // FrameRate256 speed = 3
-    // for ease of use these are remaped here to be in order
-    static const uint8_t scroll_remap[8] = {7, 4, 5, 0, 6, 1, 2, 3};
-    oled_scroll_speed                    = scroll_remap[speed];
-}
-
-bool oled_scroll_right(void) {
-    if (!oled_initialized) {
-        return oled_scrolling;
-    }
-
-    // Dont enable scrolling if we need to update the display
-    // This prevents scrolling of bad data from starting the scroll too early after init
-    if (!oled_dirty && !oled_scrolling) {
-        uint8_t display_scroll_right[] = {SCROLL_RIGHT, 0x00, oled_scroll_start, oled_scroll_speed, oled_scroll_end, 0x00, 0xFF, ACTIVATE_SCROLL};
-        if (!oled_cmd(display_scroll_right, ARRAY_SIZE(display_scroll_right))) {
-            print("oled_scroll_right cmd failed\n");
-            return oled_scrolling;
-        }
-        oled_scrolling = true;
-    }
-    return oled_scrolling;
-}
-
-bool oled_scroll_left(void) {
-    if (!oled_initialized) {
-        return oled_scrolling;
-    }
-
-    // Dont enable scrolling if we need to update the display
-    // This prevents scrolling of bad data from starting the scroll too early after init
-    if (!oled_dirty && !oled_scrolling) {
-        uint8_t display_scroll_left[] = {SCROLL_LEFT, 0x00, oled_scroll_start, oled_scroll_speed, oled_scroll_end, 0x00, 0xFF, ACTIVATE_SCROLL};
-        if (!oled_cmd(display_scroll_left, ARRAY_SIZE(display_scroll_left))) {
-            print("oled_scroll_left cmd failed\n");
-            return oled_scrolling;
-        }
-        oled_scrolling = true;
-    }
-    return oled_scrolling;
-}
-
-bool oled_scroll_off(void) {
-    if (!oled_initialized) {
-        return !oled_scrolling;
-    }
-
-    if (oled_scrolling) {
-        static const uint8_t PROGMEM display_scroll_off[] = {DEACTIVATE_SCROLL};
-        if (!oled_cmd_p(display_scroll_off, ARRAY_SIZE(display_scroll_off))) {
-            print("oled_scroll_off cmd failed\n");
-            return oled_scrolling;
-        }
-        oled_scrolling = false;
-        oled_dirty     = OLED_ALL_BLOCKS_MASK;
-    }
-    return !oled_scrolling;
-}
-
-bool is_oled_scrolling(void) {
-    return oled_scrolling;
-}
-
-bool oled_invert(bool invert) {
-    if (!oled_initialized) {
-        return oled_inverted;
-    }
-
-    if (invert && !oled_inverted) {
-        static const uint8_t PROGMEM display_inverted[] = {INVERT_DISPLAY};
-        if (!oled_cmd_p(display_inverted, ARRAY_SIZE(display_inverted))) {
-            print("oled_invert cmd failed\n");
-            return oled_inverted;
-        }
-        oled_inverted = true;
-    } else if (!invert && oled_inverted) {
-        static const uint8_t PROGMEM display_normal[] = {NORMAL_DISPLAY};
-        if (!oled_cmd_p(display_normal, ARRAY_SIZE(display_normal))) {
-            print("oled_invert cmd failed\n");
-            return oled_inverted;
-        }
-        oled_inverted = false;
-    }
-
-    return oled_inverted;
-}
-
-uint8_t oled_max_chars(void) {
-    if (!HAS_FLAGS(oled_rotation, OLED_ROTATION_90)) {
-        return OLED_DISPLAY_WIDTH / OLED_FONT_WIDTH;
-    }
-    return OLED_DISPLAY_HEIGHT / OLED_FONT_WIDTH;
-}
-
-uint8_t oled_max_lines(void) {
-    if (!HAS_FLAGS(oled_rotation, OLED_ROTATION_90)) {
-        return OLED_DISPLAY_HEIGHT / OLED_FONT_HEIGHT;
-    }
-    return OLED_DISPLAY_WIDTH / OLED_FONT_HEIGHT;
-}
-
-void oled_task(void) {
-    if (!oled_initialized) {
-        return;
-    }
-
-#if OLED_UPDATE_INTERVAL > 0
-    if (timer_elapsed(oled_update_timeout) >= OLED_UPDATE_INTERVAL) {
-        oled_update_timeout = timer_read();
-        oled_set_cursor(0, 0);
-        oled_task_kb();
-    }
-#else
-    oled_set_cursor(0, 0);
-    oled_task_kb();
-#endif
-
-#if OLED_SCROLL_TIMEOUT > 0
-    if (oled_dirty && oled_scrolling) {
-        oled_scroll_timeout = timer_read32() + OLED_SCROLL_TIMEOUT;
-        oled_scroll_off();
-    }
-#endif
-
-    // Smart render system, no need to check for dirty
-    oled_render();
-
-    // Display timeout check
-#if OLED_TIMEOUT > 0
-    if (oled_active && timer_expired32(timer_read32(), oled_timeout)) {
-        oled_off();
-    }
-#endif
-
-#if OLED_SCROLL_TIMEOUT > 0
-    if (!oled_scrolling && timer_expired32(timer_read32(), oled_scroll_timeout)) {
-#    ifdef OLED_SCROLL_TIMEOUT_RIGHT
-        oled_scroll_right();
-#    else
-        oled_scroll_left();
-#    endif
-    }
-#endif
-}
-
-__attribute__((weak)) bool oled_task_kb(void) {
-    return oled_task_user();
-}
-__attribute__((weak)) bool oled_task_user(void) {
-    return true;
-}
diff --git a/keyboards/adafruit/macropad/rules.mk b/keyboards/adafruit/macropad/rules.mk
index 23b15d77fc..a84e29da3d 100644
--- a/keyboards/adafruit/macropad/rules.mk
+++ b/keyboards/adafruit/macropad/rules.mk
@@ -14,7 +14,4 @@ AUDIO_DRIVER = pwm_hardware
 ENCODER_ENABLE = yes
 RGB_MATRIX_ENABLE = yes
 OLED_ENABLE = yes
-OLED_DRIVER = custom
-# Project specific files
-SRC += lib/ssd1306_sh1106.c
-QUANTUM_LIB_SRC += spi_master.c
+OLED_TRANSPORT = spi