From f7aaed1b57d264a983d4890ce6ada930ce2f6368 Mon Sep 17 00:00:00 2001
From: Joel Challis <git@zvecr.com>
Date: Sun, 31 Jul 2022 20:36:30 +0100
Subject: Migrate crkbd keymaps to oled driver (#17863)

---
 keyboards/crkbd/keymaps/jarred/config.h |  3 ---
 keyboards/crkbd/keymaps/jarred/keymap.c | 47 ++++++---------------------------
 keyboards/crkbd/keymaps/jarred/rules.mk |  8 +++---
 3 files changed, 11 insertions(+), 47 deletions(-)

(limited to 'keyboards/crkbd/keymaps/jarred')

diff --git a/keyboards/crkbd/keymaps/jarred/config.h b/keyboards/crkbd/keymaps/jarred/config.h
index 012356241d..e5c2029a52 100644
--- a/keyboards/crkbd/keymaps/jarred/config.h
+++ b/keyboards/crkbd/keymaps/jarred/config.h
@@ -28,9 +28,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // #define MASTER_RIGHT
 // #define EE_HANDS
 
-#define SSD1306OLED
-#define USE_SSD_I2C
-
 #define USE_SERIAL_PD2
 
 //#define TAPPING_FORCE_HOLD
diff --git a/keyboards/crkbd/keymaps/jarred/keymap.c b/keyboards/crkbd/keymaps/jarred/keymap.c
index 3784eff2b8..b0e181b37f 100644
--- a/keyboards/crkbd/keymaps/jarred/keymap.c
+++ b/keyboards/crkbd/keymaps/jarred/keymap.c
@@ -5,10 +5,6 @@
   #include "lufa.h"
   #include "split_util.h"
 #endif
-#ifdef SSD1306OLED
-  #include "ssd1306.h"
-#endif
-
 
 #ifdef RGBLIGHT_ENABLE
 //Following line allows macro to read current RGB settings
@@ -65,15 +61,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   )
 };
 
-void matrix_init_user(void) {
-    //SSD1306 OLED init, make sure to add #define SSD1306OLED in config.h
-    #ifdef SSD1306OLED
-        iota_gfx_init();   // turns on the display
-    #endif
-}
-
-//SSD1306 OLED update loop, make sure to add #define SSD1306OLED in config.h
-#ifdef SSD1306OLED
+#ifdef OLED_ENABLE
 
 // When add source files to SRC in rules.mk, you can use functions.
 const char *read_logo(void);
@@ -142,37 +130,18 @@ const char *read_usb_state(void) {
   return matrix_line_str;
 }
 
-void matrix_scan_user(void) {
-   iota_gfx_task();
-}
-
-void matrix_render_user(struct CharacterMatrix *matrix) {
+bool oled_task_user(void) {
   if (is_keyboard_master()) {
-    matrix_write(matrix, read_layer_state());
-    matrix_write(matrix, "\n");
-    matrix_write(matrix, read_usb_state());
-    matrix_write(matrix, "\n");
-    matrix_write(matrix, read_keylogs());
-    matrix_write(matrix, "\n");
+    oled_write_ln(read_layer_state(), false);
+    oled_write_ln(read_usb_state(), false);
+    oled_write_ln(read_keylogs(), false);
   } else {
-    matrix_write(matrix, read_logo());
+    oled_write(read_logo(), false);
   }
+  return false;
 }
 
-void matrix_update(struct CharacterMatrix *dest, const struct CharacterMatrix *source) {
-  if (memcmp(dest->display, source->display, sizeof(dest->display))) {
-    memcpy(dest->display, source->display, sizeof(dest->display));
-    dest->dirty = true;
-  }
-}
-
-void iota_gfx_task_user(void) {
-  struct CharacterMatrix matrix;
-  matrix_clear(&matrix);
-  matrix_render_user(&matrix);
-  matrix_update(&display, &matrix);
-}
-#endif//SSD1306OLED
+#endif
 
 bool process_record_keymap(uint16_t keycode, keyrecord_t *record) {
   if (record->event.pressed) {
diff --git a/keyboards/crkbd/keymaps/jarred/rules.mk b/keyboards/crkbd/keymaps/jarred/rules.mk
index c5a73d5bd6..f18100d7ff 100644
--- a/keyboards/crkbd/keymaps/jarred/rules.mk
+++ b/keyboards/crkbd/keymaps/jarred/rules.mk
@@ -16,19 +16,17 @@ UNICODE_ENABLE = no         # Unicode
 BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
 RGBLIGHT_ENABLE = yes       # Enable WS2812 RGB underlight.
 SWAP_HANDS_ENABLE = no      # Enable one-hand typing
+OLED_ENABLE     = yes
+OLED_DRIVER     = SSD1306
 
 # Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
 SLEEP_LED_ENABLE = no    # Breathing sleep LED during USB suspend
 
 # If you want to change the display of OLED, you need to change here
-SRC +=  ./lib/glcdfont.c \
-        ./lib/rgb_state_reader.c \
+SRC +=  ./lib/rgb_state_reader.c \
         ./lib/logo_reader.c \
         ./lib/keylogger.c \
         #./lib/layer_state_reader.c \
         # ./lib/mode_icon_reader.c \
         # ./lib/host_led_state_reader.c \
         # ./lib/timelogger.c \
-
-VPATH += keyboards/crkbd/lib
-LIB_SRC += ssd1306.c i2c.c
-- 
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