From dd3a813f871b911012da55a499955307c309a7a5 Mon Sep 17 00:00:00 2001
From: Ryan Caltabiano <rcalt2vt@gmail.com>
Date: Tue, 16 Apr 2019 18:36:55 -0500
Subject: Reducing size of data send in one frame & update Zen rev2 oled usage

---
 keyboards/zen/rev2/config.h | 13 -------------
 keyboards/zen/rev2/rev2.c   |  8 ++++----
 keyboards/zen/rev2/rules.mk |  7 +------
 3 files changed, 5 insertions(+), 23 deletions(-)

(limited to 'keyboards/zen')

diff --git a/keyboards/zen/rev2/config.h b/keyboards/zen/rev2/config.h
index dc37472f6..5fa262760 100644
--- a/keyboards/zen/rev2/config.h
+++ b/keyboards/zen/rev2/config.h
@@ -66,19 +66,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* ws2812 RGB LED */
 #define RGBLED_NUM 34    // Number of LEDs
 
-// If using 90 Degree rotation, increase block cout
-#ifdef OLED_ROTATE90
-  #define OLED_DISPLAY_CUSTOM
-  #define OLED_DISPLAY_WIDTH 128
-  #define OLED_DISPLAY_HEIGHT 32
-  #define OLED_MATRIX_SIZE (OLED_DISPLAY_HEIGHT / 8 * OLED_DISPLAY_WIDTH) // 512 (compile time mathed)
-  #define OLED_BLOCK_TYPE uint16_t // Type to use for segmenting the oled display for smart rendering, use unsigned types only
-  #define OLED_BLOCK_COUNT (sizeof(OLED_BLOCK_TYPE) * 8) // 8 (compile time mathed)
-  #define OLED_BLOCK_SIZE (OLED_MATRIX_SIZE / OLED_BLOCK_COUNT) // 32 (compile time mathed)
-  #define OLED_SOURCE_MAP { 0, 8, 16, 24 }
-  #define OLED_TARGET_MAP { 24, 16, 8, 0 }
-#endif
-
 /*
  * Feature disable options
  *  These options are also useful to firmware size reduction.
diff --git a/keyboards/zen/rev2/rev2.c b/keyboards/zen/rev2/rev2.c
index 4104460db..7bd8efbdd 100644
--- a/keyboards/zen/rev2/rev2.c
+++ b/keyboards/zen/rev2/rev2.c
@@ -47,11 +47,11 @@ void render_status(void) {
   oled_write_P(led_usb_state & (1<<USB_LED_SCROLL_LOCK) ? PSTR("SCRLK") : PSTR("     "), false); // Line 16
 }
 
-#ifdef OLED_ROTATE90
-bool oled_init_user(bool flip180) {
-  return true;
+oled_rotation_t oled_init_user(oled_rotation_t rotation) {
+  if (is_keyboard_master())
+    return OLED_ROTATION_90;  // flips the display 90 degrees if mainhand
+  return rotation;
 }
-#endif
 
 __attribute__((weak))
 void oled_task_user(void) {
diff --git a/keyboards/zen/rev2/rules.mk b/keyboards/zen/rev2/rules.mk
index d1fe41052..e9d19a69a 100644
--- a/keyboards/zen/rev2/rules.mk
+++ b/keyboards/zen/rev2/rules.mk
@@ -1,14 +1,9 @@
 ENCODER_ENABLE = yes
 
 OLED_DRIVER_ENABLE = no
-OLED_ROTATE90 = yes
 
-# Setup so that OLED and 90 degree rotation can be turned on/off easily
-# with "OLED_DRIVER_ENABLE = yes" or "OLED_ROTATE90 = no" in user's rules.mk file
+# Setup so that OLED can be turned on/off easily
 ifeq ($(strip $(OLED_DRIVER_ENABLE)), yes)
   # Custom local font file
   OPT_DEFS += -DOLED_FONT_H=\"common/glcdfont.c\"
-  ifeq ($(strip $(OLED_DRIVER_ENABLE)), yes)
-    OPT_DEFS += -DOLED_ROTATE90
-  endif
 endif
-- 
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