fix implementation issues from SSD1306 clean up, added rotation (#1494)

* moved OLED update task to keymap

* fix splitting render display to keymap

* Added rotation option for OLED, fixed splitting display render update to keymap

* issues with attribute

drivers/avr/ssd1306.c

@@ -134,14 +134,17 @@ bool iota_gfx_init(void) {
   send_cmd2(SetChargePump, 0x14 /* Enable */);
   send_cmd2(SetMemoryMode, 0 /* horizontal addressing */);
 
-/// Flips the display orientation 0 degrees
-  send_cmd1(SegRemap | 0x1);
-  send_cmd1(ComScanDec);
-/*
+#ifdef OLED_ROTATE180
 // the following Flip the display orientation 180 degrees
   send_cmd1(SegRemap);
   send_cmd1(ComScanInc);
-// end flip */
+#endif
+#ifndef OLED_ROTATE180
+// Flips the display orientation 0 degrees
+  send_cmd1(SegRemap | 0x1);
+  send_cmd1(ComScanDec);
+#endif
+  
   send_cmd2(SetComPins, 0x2);
   send_cmd2(SetContrast, 0x8f);
   send_cmd2(SetPreCharge, 0xf1);
@@ -304,9 +307,8 @@ void iota_gfx_flush(void) {
   matrix_render(&display);
 }
 
-__attribute__((weak))
+__attribute__ ((weak))
 void iota_gfx_task_user(void) {
-
 }
 
 void iota_gfx_task(void) {

drivers/avr/ssd1306.h

@@ -79,7 +79,6 @@ void iota_gfx_write(const char *data);
 void iota_gfx_write_P(const char *data);
 void iota_gfx_clear_screen(void);
 
-__attribute__((weak))
 void iota_gfx_task_user(void);
 
 void matrix_clear(struct CharacterMatrix *matrix);

keyboards/hadron/keymaps/default/config.h

@@ -9,6 +9,7 @@
 
 #define USE_I2C
 #define SSD1306OLED
+#define OLED_ROTATE180
 
 /* ws2812 RGB LED*/
 #define RGB_DI_PIN D4

keyboards/hadron/keymaps/default/keymap.c

@@ -406,3 +406,91 @@ const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
 
     return MACRO_NONE;
 }
+
+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;
+  }
+}
+
+//assign the right code to your layers for OLED display
+#define L_BASE 0
+#define L_LOWER 8
+#define L_RAISE 16
+#define L_FNLAYER 64
+#define L_NUMLAY 128
+#define L_NLOWER 136
+#define L_NFNLAYER 192
+#define L_MOUSECURSOR 256
+#define L_ADJUST 65560
+
+void iota_gfx_task_user(void) {
+#if DEBUG_TO_SCREEN
+  if (debug_enable) {
+    return;
+  }
+#endif
+
+  struct CharacterMatrix matrix;
+
+  matrix_clear(&matrix);
+  matrix_write_P(&matrix, PSTR("USB: "));
+#ifdef PROTOCOL_LUFA
+  switch (USB_DeviceState) {
+    case DEVICE_STATE_Unattached:
+      matrix_write_P(&matrix, PSTR("Unattached"));
+      break;
+    case DEVICE_STATE_Suspended:
+      matrix_write_P(&matrix, PSTR("Suspended"));
+      break;
+    case DEVICE_STATE_Configured:
+      matrix_write_P(&matrix, PSTR("Connected"));
+      break;
+    case DEVICE_STATE_Powered:
+      matrix_write_P(&matrix, PSTR("Powered"));
+      break;
+    case DEVICE_STATE_Default:
+      matrix_write_P(&matrix, PSTR("Default"));
+      break;
+    case DEVICE_STATE_Addressed:
+      matrix_write_P(&matrix, PSTR("Addressed"));
+      break;
+    default:
+      matrix_write_P(&matrix, PSTR("Invalid"));
+  }
+#endif
+
+// Define layers here, Have not worked out how to have text displayed for each layer. Copy down the number you see and add a case for it below
+
+  char buf[40];
+  snprintf(buf,sizeof(buf), "Undef-%ld", layer_state);
+  matrix_write_P(&matrix, PSTR("\n\nLayer: "));
+    switch (layer_state) {
+        case L_BASE:
+           matrix_write_P(&matrix, PSTR("Default"));
+           break;
+        case L_RAISE:
+           matrix_write_P(&matrix, PSTR("Raise"));
+           break;
+        case L_LOWER:
+           matrix_write_P(&matrix, PSTR("Lower"));
+           break;
+        case L_ADJUST:
+           matrix_write_P(&matrix, PSTR("ADJUST"));
+           break;
+        default:
+           matrix_write(&matrix, buf);
+ }
+  
+  // Host Keyboard LED Status
+  char led[40];
+    snprintf(led, sizeof(led), "\n%s  %s  %s",
+            (host_keyboard_leds() & (1<<USB_LED_NUM_LOCK)) ? "NUMLOCK" : "       ",
+            (host_keyboard_leds() & (1<<USB_LED_CAPS_LOCK)) ? "CAPS" : "    ",
+            (host_keyboard_leds() & (1<<USB_LED_SCROLL_LOCK)) ? "SCLK" : "    ");
+  matrix_write(&matrix, led);
+  matrix_update(&display, &matrix);
+}
+

keyboards/hadron/keymaps/side_numpad/config.h

@@ -9,6 +9,7 @@
 
 #define USE_I2C
 #define SSD1306OLED
+#define OLED_ROTATE180
 
 /* ws2812 RGB LED*/
 #define RGB_DI_PIN D4

keyboards/hadron/keymaps/side_numpad/keymap.c

@@ -416,3 +416,90 @@ const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
 
     return MACRO_NONE;
 }
+
+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;
+  }
+}
+
+//assign the right code to your layers for OLED display
+#define L_BASE 0
+#define L_LOWER 8
+#define L_RAISE 16
+#define L_FNLAYER 64
+#define L_NUMLAY 128
+#define L_NLOWER 136
+#define L_NFNLAYER 192
+#define L_MOUSECURSOR 256
+#define L_ADJUST 65560
+
+void iota_gfx_task_user(void) {
+#if DEBUG_TO_SCREEN
+  if (debug_enable) {
+    return;
+  }
+#endif
+
+  struct CharacterMatrix matrix;
+
+  matrix_clear(&matrix);
+  matrix_write_P(&matrix, PSTR("USB: "));
+#ifdef PROTOCOL_LUFA
+  switch (USB_DeviceState) {
+    case DEVICE_STATE_Unattached:
+      matrix_write_P(&matrix, PSTR("Unattached"));
+      break;
+    case DEVICE_STATE_Suspended:
+      matrix_write_P(&matrix, PSTR("Suspended"));
+      break;
+    case DEVICE_STATE_Configured:
+      matrix_write_P(&matrix, PSTR("Connected"));
+      break;
+    case DEVICE_STATE_Powered:
+      matrix_write_P(&matrix, PSTR("Powered"));
+      break;
+    case DEVICE_STATE_Default:
+      matrix_write_P(&matrix, PSTR("Default"));
+      break;
+    case DEVICE_STATE_Addressed:
+      matrix_write_P(&matrix, PSTR("Addressed"));
+      break;
+    default:
+      matrix_write_P(&matrix, PSTR("Invalid"));
+  }
+#endif
+
+// Define layers here, Have not worked out how to have text displayed for each layer. Copy down the number you see and add a case for it below
+
+  char buf[40];
+  snprintf(buf,sizeof(buf), "Undef-%ld", layer_state);
+  matrix_write_P(&matrix, PSTR("\n\nLayer: "));
+    switch (layer_state) {
+        case L_BASE:
+           matrix_write_P(&matrix, PSTR("Default"));
+           break;
+        case L_RAISE:
+           matrix_write_P(&matrix, PSTR("Raise"));
+           break;
+        case L_LOWER:
+           matrix_write_P(&matrix, PSTR("Lower"));
+           break;
+        case L_ADJUST:
+           matrix_write_P(&matrix, PSTR("ADJUST"));
+           break;
+        default:
+           matrix_write(&matrix, buf);
+ }
+  
+  // Host Keyboard LED Status
+  char led[40];
+    snprintf(led, sizeof(led), "\n%s  %s  %s",
+            (host_keyboard_leds() & (1<<USB_LED_NUM_LOCK)) ? "NUMLOCK" : "       ",
+            (host_keyboard_leds() & (1<<USB_LED_CAPS_LOCK)) ? "CAPS" : "    ",
+            (host_keyboard_leds() & (1<<USB_LED_SCROLL_LOCK)) ? "SCLK" : "    ");
+  matrix_write(&matrix, led);
+  matrix_update(&display, &matrix);
+}

keyboards/lets_split/keymaps/OLED_sample/config.h

@@ -36,6 +36,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define FLIP_HALF
 
 #define SSD1306OLED
+//#define OLED_ROTATE180
 
 
 #define PREVENT_STUCK_MODIFIERS

keyboards/lets_split/keymaps/OLED_sample/keymap.c

@@ -358,6 +358,7 @@ const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
     return MACRO_NONE;
 }
 
+
 void matrix_update(struct CharacterMatrix *dest,
                           const struct CharacterMatrix *source) {
   if (memcmp(dest->display, source->display, sizeof(dest->display))) {
@@ -366,6 +367,17 @@ void matrix_update(struct CharacterMatrix *dest,
   }
 }
 
+//assign the right code to your layers for OLED display
+#define L_BASE 0
+#define L_LOWER 8
+#define L_RAISE 16
+#define L_FNLAYER 64
+#define L_NUMLAY 128
+#define L_NLOWER 136
+#define L_NFNLAYER 192
+#define L_MOUSECURSOR 256
+#define L_ADJUST 65560
+
 void iota_gfx_task_user(void) {
 #if DEBUG_TO_SCREEN
   if (debug_enable) {
@@ -408,18 +420,16 @@ void iota_gfx_task_user(void) {
   snprintf(buf,sizeof(buf), "Undef-%ld", layer_state);
   matrix_write_P(&matrix, PSTR("\n\nLayer: "));
     switch (layer_state) {
-        case _QWERTY:
-        case _COLEMAK:
-        case _DVORAK:
+        case L_BASE:
            matrix_write_P(&matrix, PSTR("Default"));
            break;
-        case _RAISE:
+        case L_RAISE:
            matrix_write_P(&matrix, PSTR("Raise"));
            break;
-        case _LOWER:
+        case L_LOWER:
            matrix_write_P(&matrix, PSTR("Lower"));
            break;
-        case _ADJUST:
+        case L_ADJUST:
            matrix_write_P(&matrix, PSTR("ADJUST"));
            break;
         default: