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-rw-r--r--keyboards/crkbd/rev1/common/common.c21
-rw-r--r--keyboards/crkbd/rev1/common/common.h24
-rw-r--r--keyboards/crkbd/rev1/common/config.h30
-rw-r--r--keyboards/crkbd/rev1/common/keymaps/via/config.h46
-rw-r--r--keyboards/crkbd/rev1/common/keymaps/via/keymap.c193
-rw-r--r--keyboards/crkbd/rev1/common/keymaps/via/rules.mk5
-rw-r--r--keyboards/crkbd/rev1/common/rules.mk2
-rw-r--r--keyboards/crkbd/rev1/common/ssd1306.c360
8 files changed, 681 insertions, 0 deletions
diff --git a/keyboards/crkbd/rev1/common/common.c b/keyboards/crkbd/rev1/common/common.c
new file mode 100644
index 0000000000..5ea7347de8
--- /dev/null
+++ b/keyboards/crkbd/rev1/common/common.c
@@ -0,0 +1,21 @@
+/*
+Copyright 2019 @foostan
+Copyright 2020 Drashna Jaelre <@drashna>
+
+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 "common.h"
+
+uint8_t is_master;
diff --git a/keyboards/crkbd/rev1/common/common.h b/keyboards/crkbd/rev1/common/common.h
new file mode 100644
index 0000000000..af1795f480
--- /dev/null
+++ b/keyboards/crkbd/rev1/common/common.h
@@ -0,0 +1,24 @@
+/*
+Copyright 2019 @foostan
+Copyright 2020 Drashna Jaelre <@drashna>
+
+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 "rev1.h"
+
+#define has_usb() is_keyboard_master()
+extern uint8_t is_master;
diff --git a/keyboards/crkbd/rev1/common/config.h b/keyboards/crkbd/rev1/common/config.h
new file mode 100644
index 0000000000..12f5f75766
--- /dev/null
+++ b/keyboards/crkbd/rev1/common/config.h
@@ -0,0 +1,30 @@
+/*
+Copyright 2019 @foostan
+Copyright 2020 Drashna Jaelre <@drashna>
+
+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
+
+#define PRODUCT Corne Keyboard Rev.1 (Split Common)
+
+#define USE_SERIAL
+#define SOFT_SERIAL_PIN D2
+
+#ifdef RGB_MATRIX_ENABLE
+# define RGB_MATRIX_SPLIT { 27, 27 }
+#endif
+
+#define DIODE_DIRECTION COL2ROW
diff --git a/keyboards/crkbd/rev1/common/keymaps/via/config.h b/keyboards/crkbd/rev1/common/keymaps/via/config.h
new file mode 100644
index 0000000000..aa2d45e56d
--- /dev/null
+++ b/keyboards/crkbd/rev1/common/keymaps/via/config.h
@@ -0,0 +1,46 @@
+/*
+Copyright 2019 @foostan
+Copyright 2020 Drashna Jaelre <@drashna>
+
+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
+
+//#define USE_MATRIX_I2C
+#ifdef KEYBOARD_crkbd_rev1_legacy
+# undef USE_I2C
+# define USE_SERIAL
+#endif
+
+/* Select hand configuration */
+
+#define MASTER_LEFT
+// #define MASTER_RIGHT
+// #define EE_HANDS
+
+#define USE_SERIAL_PD2
+
+
+#undef RGBLED_NUM
+#define RGBLIGHT_ANIMATIONS
+#define RGBLED_NUM 27
+#define RGBLIGHT_LIMIT_VAL 120
+#define RGBLIGHT_HUE_STEP 10
+#define RGBLIGHT_SAT_STEP 17
+#define RGBLIGHT_VAL_STEP 17
+
+#define OLED_FONT_H "keyboards/crkbd/lib/glcdfont.c"
diff --git a/keyboards/crkbd/rev1/common/keymaps/via/keymap.c b/keyboards/crkbd/rev1/common/keymaps/via/keymap.c
new file mode 100644
index 0000000000..a3b2e52ce5
--- /dev/null
+++ b/keyboards/crkbd/rev1/common/keymaps/via/keymap.c
@@ -0,0 +1,193 @@
+/*
+Copyright 2019 @foostan
+Copyright 2020 Drashna Jaelre <@drashna>
+
+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
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+ [0] = LAYOUT_split_3x6_3( \
+ //,-----------------------------------------------------. ,-----------------------------------------------------.
+ KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_BSPC,
+ //|--------+--------+--------+--------+--------+--------| |--------+--------+--------+--------+--------+--------|
+ KC_LCTL, KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_QUOT,
+ //|--------+--------+--------+--------+--------+--------| |--------+--------+--------+--------+--------+--------|
+ KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_ESC,
+ //|--------+--------+--------+--------+--------+--------+--------| |--------+--------+--------+--------+--------+--------+--------|
+ KC_LGUI, FN_MO13, KC_SPC, KC_ENT, FN_MO23, KC_RALT
+ //`--------------------------' `--------------------------'
+
+ ),
+
+ [1] = LAYOUT_split_3x6_3( \
+ //,-----------------------------------------------------. ,-----------------------------------------------------.
+ KC_TAB, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_BSPC,
+ //|--------+--------+--------+--------+--------+--------| |--------+--------+--------+--------+--------+--------|
+ KC_LCTL, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_LEFT, KC_DOWN, KC_UP,KC_RIGHT, XXXXXXX, XXXXXXX,
+ //|--------+--------+--------+--------+--------+--------| |--------+--------+--------+--------+--------+--------|
+ KC_LSFT, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+ //|--------+--------+--------+--------+--------+--------+--------| |--------+--------+--------+--------+--------+--------+--------|
+ KC_LGUI, _______, KC_SPC, KC_ENT, _______, KC_RALT\
+ //`--------------------------' `--------------------------'
+ ),
+
+ [2] = LAYOUT_split_3x6_3( \
+ //,-----------------------------------------------------. ,-----------------------------------------------------.
+ KC_TAB, KC_EXLM, KC_AT, KC_HASH, KC_DLR, KC_PERC, KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN, KC_BSPC,
+ //|--------+--------+--------+--------+--------+--------| |--------+--------+--------+--------+--------+--------|
+ KC_LCTL, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_MINS, KC_EQL, KC_LBRC, KC_RBRC, KC_BSLS, KC_GRV,
+ //|--------+--------+--------+--------+--------+--------| |--------+--------+--------+--------+--------+--------|
+ KC_LSFT, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_UNDS, KC_PLUS, KC_LCBR, KC_RCBR, KC_PIPE, KC_TILD,
+ //|--------+--------+--------+--------+--------+--------+--------| |--------+--------+--------+--------+--------+--------+--------|
+ KC_LGUI, _______, KC_SPC, KC_ENT, _______, KC_RALT
+ //`--------------------------' `--------------------------'
+ ),
+
+ [3] = LAYOUT_split_3x6_3( \
+ //,-----------------------------------------------------. ,-----------------------------------------------------.
+ RESET, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,\
+ //|--------+--------+--------+--------+--------+--------| |--------+--------+--------+--------+--------+--------|
+ RGB_TOG, RGB_HUI, RGB_SAI, RGB_VAI, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,\
+ //|--------+--------+--------+--------+--------+--------| |--------+--------+--------+--------+--------+--------|
+ RGB_MOD, RGB_HUD, RGB_SAD, RGB_VAD, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,\
+ //|--------+--------+--------+--------+--------+--------+--------| |--------+--------+--------+--------+--------+--------+--------|
+ KC_LGUI, _______, KC_SPC, KC_ENT, _______, KC_RALT\
+ //`--------------------------' `--------------------------'
+ )
+};
+
+#ifdef OLED_DRIVER_ENABLE
+oled_rotation_t oled_init_user(oled_rotation_t rotation) {
+ if (!is_master) {
+ return OLED_ROTATION_180; // flips the display 180 degrees if offhand
+ }
+ return rotation;
+}
+
+#define L_BASE 0
+#define L_LOWER 2
+#define L_RAISE 4
+#define L_ADJUST 8
+
+void oled_render_layer_state(void) {
+ oled_write_P("Layer: ", false);
+ switch (layer_state) {
+ case L_BASE:
+ oled_write_ln_P("Default", false);
+ break;
+ case L_LOWER:
+ oled_write_ln_P("Lower", false);
+ break;
+ case L_RAISE:
+ oled_write_ln_P("Raise", false);
+ break;
+ case L_ADJUST:
+ case L_ADJUST|L_LOWER:
+ case L_ADJUST|L_RAISE:
+ case L_ADJUST|L_LOWER|L_RAISE:
+ oled_write_ln_P("Adjust", false);
+ break;
+ }
+}
+
+
+char keylog_str[24] = {};
+char keylogs_str[21] = {};
+int keylogs_str_idx = 0;
+
+const char code_to_name[60] = {
+ ' ', ' ', ' ', ' ', 'a', 'b', 'c', 'd', 'e', 'f',
+ 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p',
+ 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
+ '1', '2', '3', '4', '5', '6', '7', '8', '9', '0',
+ 'R', 'E', 'B', 'T', '_', '-', '=', '[', ']', '\\',
+ '#', ';', '\'', '`', ',', '.', '/', ' ', ' ', ' '};
+
+void set_keylog(uint16_t keycode, keyrecord_t *record) {
+ char name = ' ';
+ if ((keycode >= QK_MOD_TAP && keycode <= QK_MOD_TAP_MAX) ||
+ (keycode >= QK_LAYER_TAP && keycode <= QK_LAYER_TAP_MAX)) { keycode = keycode & 0xFF; }
+ if (keycode < 60) {
+ name = code_to_name[keycode];
+ }
+
+ // update keylog
+ snprintf(keylog_str, sizeof(keylog_str), "%dx%d, k%2d : %c",
+ record->event.key.row, record->event.key.col,
+ keycode, name);
+
+ // update keylogs
+ if (keylogs_str_idx == sizeof(keylogs_str) - 1) {
+ keylogs_str_idx = 0;
+ for (int i = 0; i < sizeof(keylogs_str) - 1; i++) {
+ keylogs_str[i] = ' ';
+ }
+ }
+
+ keylogs_str[keylogs_str_idx] = name;
+ keylogs_str_idx++;
+}
+
+void oled_render_keylog(void) {
+ oled_write(keylog_str, false);
+}
+void oled_render_keylogs(void) {
+ oled_write(keylogs_str, false);
+}
+
+void render_bootmagic_status(bool status) {
+ /* Show Ctrl-Gui Swap options */
+ static const char PROGMEM logo[][2][3] = {
+ {{0x97, 0x98, 0}, {0xb7, 0xb8, 0}},
+ {{0x95, 0x96, 0}, {0xb5, 0xb6, 0}},
+ };
+ if (status) {
+ oled_write_ln_P(logo[0][0], false);
+ oled_write_ln_P(logo[0][1], false);
+ } else {
+ oled_write_ln_P(logo[1][0], false);
+ oled_write_ln_P(logo[1][1], false);
+ }
+}
+
+void oled_render_logo(void) {
+ static const char PROGMEM crkbd_logo[] = {
+ 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90, 0x91, 0x92, 0x93, 0x94,
+ 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3, 0xb4,
+ 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4,
+ 0};
+ oled_write_P(crkbd_logo, false);
+}
+
+void oled_task_user(void) {
+ if (is_master) {
+ oled_render_layer_state();
+ oled_render_keylog();
+ // oled_render_keylogs();
+ // oled_renger_bootmagic_icon(keymap_config.swap_lalt_lgui);
+ } else {
+ oled_render_logo();
+ }
+}
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+ if (record->event.pressed) {
+ set_keylog(keycode, record);
+ // set_timelog();
+ }
+ return true;
+}
+#endif // OLED_DRIVER_ENABLE
diff --git a/keyboards/crkbd/rev1/common/keymaps/via/rules.mk b/keyboards/crkbd/rev1/common/keymaps/via/rules.mk
new file mode 100644
index 0000000000..93b2afed44
--- /dev/null
+++ b/keyboards/crkbd/rev1/common/keymaps/via/rules.mk
@@ -0,0 +1,5 @@
+MOUSEKEY_ENABLE = no # Mouse keys
+RGBLIGHT_ENABLE = yes # Enable WS2812 RGB underlight.
+VIA_ENABLE = yes # Enable VIA
+OLED_DRIVER_ENABLE = yes
+LTO_ENABLE = yes
diff --git a/keyboards/crkbd/rev1/common/rules.mk b/keyboards/crkbd/rev1/common/rules.mk
new file mode 100644
index 0000000000..0b8106e3f2
--- /dev/null
+++ b/keyboards/crkbd/rev1/common/rules.mk
@@ -0,0 +1,2 @@
+SPLIT_KEYBOARD = yes
+SPLIT_TRANSPORT = mirror # for when Split Mirroring drops, it will maintain mirroring functionality
diff --git a/keyboards/crkbd/rev1/common/ssd1306.c b/keyboards/crkbd/rev1/common/ssd1306.c
new file mode 100644
index 0000000000..4a889da673
--- /dev/null
+++ b/keyboards/crkbd/rev1/common/ssd1306.c
@@ -0,0 +1,360 @@
+#ifdef SSD1306OLED
+
+#include "ssd1306.h"
+#include "i2c_master.h"
+#include <string.h>
+#include "print.h"
+#ifdef ADAFRUIT_BLE_ENABLE
+#include "adafruit_ble.h"
+#endif
+#ifdef PROTOCOL_LUFA
+#include "lufa.h"
+#endif
+#include "sendchar.h"
+#include "timer.h"
+
+struct CharacterMatrix display;
+
+extern const unsigned char font[] PROGMEM;
+
+#ifndef OLED_BLANK_CHAR
+#define OLED_BLANK_CHAR ' '
+#endif
+
+#ifndef OLED_BITS_FILTER
+#define OLED_BITS_FILTER
+#endif
+
+// Set this to 1 to help diagnose early startup problems
+// when testing power-on with ble. Turn it off otherwise,
+// as the latency of printing most of the debug info messes
+// with the matrix scan, causing keys to drop.
+#define DEBUG_TO_SCREEN 0
+
+//static uint16_t last_battery_update;
+//static uint32_t vbat;
+//#define BatteryUpdateInterval 10000 /* milliseconds */
+
+// 'last_flush' is declared as uint16_t,
+// so this must be less than 65535
+#ifndef ScreenOffInterval
+#define ScreenOffInterval 60000 /* milliseconds */
+#endif
+
+#if DEBUG_TO_SCREEN
+static uint8_t displaying;
+#endif
+static uint16_t last_flush;
+
+static bool force_dirty = true;
+
+// Write command sequence.
+// Returns true on success.
+static inline bool _send_cmd1(uint8_t cmd) {
+ bool res = false;
+
+ if (i2c_start(SSD1306_ADDRESS, 100)) {
+ xprintf("failed to start write to %d\n", SSD1306_ADDRESS);
+ goto done;
+ }
+
+ if (i2c_write(0x0 /* command byte follows */, 100)) {
+ print("failed to write control byte\n");
+
+ goto done;
+ }
+
+ if (i2c_write(cmd, 100)) {
+ xprintf("failed to write command %d\n", cmd);
+ goto done;
+ }
+ res = true;
+done:
+ i2c_stop();
+ return res;
+}
+
+#define send_cmd1(c) if (!_send_cmd1(c)) {goto done;}
+#define send_cmds(c) if (!_send_cmds(c,sizeof(c))) {goto done;}
+#define cmd1(X) X
+#define cmd2(X,Y) X,Y
+#define cmd3(X,Y,Z) X,Y,Z
+
+static bool _send_cmds(const uint8_t* p,uint8_t sz) {
+ for(uint8_t i=sz;i;i--) {
+ send_cmd1( pgm_read_byte(p++) );
+ }
+ return true;
+done:
+ return false;
+}
+
+#define SEND_CMDS(...) {static const uint8_t _cmds[] PROGMEM = { __VA_ARGS__,0 };send_cmds(_cmds);}
+
+static void clear_display(void) {
+ matrix_clear(&display);
+
+ // Clear all of the display bits (there can be random noise
+ // in the RAM on startup)
+ SEND_CMDS(
+ cmd3(PageAddr, 0, (DisplayHeight / 8) - 1),
+ cmd3(ColumnAddr, 0, DisplayWidth - 1)
+ );
+
+ if (i2c_start(SSD1306_ADDRESS, 100)) {
+ goto done;
+ }
+ if (i2c_write(0x40, 100)) {
+ // Data mode
+ goto done;
+ }
+ for (uint8_t row = MatrixRows;row; row--) {
+ for (uint8_t col = DisplayWidth; col; col--) {
+ i2c_write(0, 100);
+ }
+ }
+
+ display.dirty = false;
+
+done:
+ i2c_stop();
+}
+
+#if DEBUG_TO_SCREEN
+#undef sendchar
+static int8_t capture_sendchar(uint8_t c) {
+ sendchar(c);
+ iota_gfx_write_char(c);
+
+ if (!displaying) {
+ iota_gfx_flush();
+ }
+ return 0;
+}
+#endif
+
+bool iota_gfx_init(bool rotate) {
+ bool success = false;
+
+ i2c_init();
+ SEND_CMDS(
+ cmd1(DisplayOff),
+ cmd2(SetDisplayClockDiv, 0x80),
+ cmd2(SetMultiPlex, DisplayHeight - 1),
+ cmd2(SetDisplayOffset, 0),
+ cmd1(SetStartLine | 0x0),
+ cmd2(SetChargePump, 0x14 /* Enable */),
+ cmd2(SetMemoryMode, 0 /* horizontal addressing */)
+ );
+
+ if(rotate){
+ // the following Flip the display orientation 180 degrees
+ SEND_CMDS(
+ cmd1(SegRemap),
+ cmd1(ComScanInc)
+ );
+ }else{
+ // Flips the display orientation 0 degrees
+ SEND_CMDS(
+ cmd1(SegRemap | 0x1),
+ cmd1(ComScanDec)
+ );
+ }
+
+ SEND_CMDS(
+#ifdef SSD1306_128X64
+ cmd2(SetComPins, 0x12),
+#else
+ cmd2(SetComPins, 0x2),
+#endif
+ cmd2(SetContrast, 0x8f),
+ cmd2(SetPreCharge, 0xf1),
+ cmd2(SetVComDetect, 0x40),
+ cmd1(DisplayAllOnResume),
+ cmd1(NormalDisplay),
+ cmd1(DeActivateScroll),
+ cmd1(DisplayOn),
+
+ cmd2(SetContrast, 0) // Dim
+ );
+
+ clear_display();
+
+ success = true;
+
+ iota_gfx_flush();
+
+#if DEBUG_TO_SCREEN
+ print_set_sendchar(capture_sendchar);
+#endif
+
+done:
+ return success;
+}
+
+bool iota_gfx_off(void) {
+ bool success = false;
+
+ send_cmd1(DisplayOff);
+ success = true;
+
+done:
+ return success;
+}
+
+bool iota_gfx_on(void) {
+ bool success = false;
+
+ send_cmd1(DisplayOn);
+ success = true;
+
+done:
+ return success;
+}
+
+void matrix_write_char_inner(struct CharacterMatrix *matrix, uint8_t c) {
+ *matrix->cursor = c;
+ ++matrix->cursor;
+
+ if (matrix->cursor - &matrix->display[0][0] == sizeof(matrix->display)) {
+ // We went off the end; scroll the display upwards by one line
+ memmove(&matrix->display[0], &matrix->display[1],
+ MatrixCols * (MatrixRows - 1));
+ matrix->cursor = &matrix->display[MatrixRows - 1][0];
+ memset(matrix->cursor, OLED_BLANK_CHAR, MatrixCols);
+ }
+}
+
+void matrix_write_char(struct CharacterMatrix *matrix, uint8_t c) {
+ matrix->dirty = true;
+
+ if (c == '\n') {
+ // Clear to end of line from the cursor and then move to the
+ // start of the next line
+ uint8_t cursor_col = (matrix->cursor - &matrix->display[0][0]) % MatrixCols;
+
+ while (cursor_col++ < MatrixCols) {
+ matrix_write_char_inner(matrix, OLED_BLANK_CHAR);
+ }
+ return;
+ }
+
+ matrix_write_char_inner(matrix, c);
+}
+
+void iota_gfx_write_char(uint8_t c) {
+ matrix_write_char(&display, c);
+}
+
+void matrix_write(struct CharacterMatrix *matrix, const char *data) {
+ while (*data) {
+ matrix_write_char(matrix, *data);
+ ++data;
+ }
+}
+
+void matrix_write_ln(struct CharacterMatrix *matrix, const char *data) {
+ matrix_write(matrix, data);
+ matrix_write(matrix, "\n");
+}
+
+void iota_gfx_write(const char *data) {
+ matrix_write(&display, data);
+}
+
+void matrix_write_P(struct CharacterMatrix *matrix, const char *data) {
+ while (true) {
+ uint8_t c = pgm_read_byte(data);
+ if (c == 0) {
+ return;
+ }
+ matrix_write_char(matrix, c);
+ ++data;
+ }
+}
+
+void iota_gfx_write_P(const char *data) {
+ matrix_write_P(&display, data);
+}
+
+void matrix_clear(struct CharacterMatrix *matrix) {
+ memset(matrix->display, OLED_BLANK_CHAR, sizeof(matrix->display));
+ matrix->cursor = &matrix->display[0][0];
+ matrix->dirty = true;
+}
+
+void iota_gfx_clear_screen(void) {
+ matrix_clear(&display);
+}
+
+void matrix_render(struct CharacterMatrix *matrix) {
+ last_flush = timer_read();
+ iota_gfx_on();
+#if DEBUG_TO_SCREEN
+ ++displaying;
+#endif
+
+ // Move to the home position
+ SEND_CMDS(
+ cmd3(PageAddr, 0, MatrixRows - 1),
+ cmd3(ColumnAddr, 0, (MatrixCols * FontWidth) - 1)
+ );
+
+ if (i2c_write(SSD1306_ADDRESS, 100)) {
+ goto done;
+ }
+ if (i2c_write(0x40, 100)) {
+ // Data mode
+ goto done;
+ }
+
+ for (uint8_t row = 0; row < MatrixRows; ++row) {
+ for (uint8_t col = 0; col < MatrixCols; ++col) {
+ const uint8_t *glyph = font + (matrix->display[row][col] * FontWidth);
+
+ for (uint8_t glyphCol = 0; glyphCol < FontWidth; ++glyphCol) {
+ uint8_t colBits = pgm_read_byte(glyph + glyphCol);
+ i2c_write(colBits OLED_BITS_FILTER, 100);
+ }
+
+ // 1 column of space between chars (it's not included in the glyph)
+ //i2c_master_write(0);
+ }
+ }
+
+ matrix->dirty = false;
+
+done:
+ i2c_stop();
+#if DEBUG_TO_SCREEN
+ --displaying;
+#endif
+}
+
+void iota_gfx_flush(void) {
+ matrix_render(&display);
+}
+
+__attribute__ ((weak))
+void iota_gfx_task_user(void) {
+}
+
+void iota_gfx_task(void) {
+ iota_gfx_task_user();
+
+ if (display.dirty|| force_dirty) {
+ iota_gfx_flush();
+ force_dirty = false;
+ }
+
+ if (ScreenOffInterval !=0 && timer_elapsed(last_flush) > ScreenOffInterval) {
+ iota_gfx_off();
+ }
+}
+
+bool process_record_gfx(uint16_t keycode, keyrecord_t *record) {
+ force_dirty = true;
+ return true;
+}
+
+#endif