clang-format changes

1 files changed, 389 insertions, 412 deletions

diff --git a/drivers/oled/oled_driver.c b/drivers/oled/oled_driver.c
index 3dad72addb..1a1b7299bb 100644
--- a/drivers/oled/oled_driver.c
+++ b/drivers/oled/oled_driver.c
@@ -23,64 +23,64 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <string.h>
 
 #if defined(__AVR__)
-  #include <avr/io.h>
-  #include <avr/pgmspace.h>
+#    include <avr/io.h>
+#    include <avr/pgmspace.h>
 #elif defined(ESP8266)
-  #include <pgmspace.h>
-#else // defined(ESP8266)
-  #define PROGMEM
-  #define memcpy_P(des, src, len) memcpy(des, src, len)
-#endif // defined(__AVR__)
+#    include <pgmspace.h>
+#else  // defined(ESP8266)
+#    define PROGMEM
+#    define memcpy_P(des, src, len) memcpy(des, src, len)
+#endif  // defined(__AVR__)
 
 // 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 DISPLAY_ON              0xAF
-#define DISPLAY_OFF             0xAE
-#define NOP                     0xE3
+#define CONTRAST 0x81
+#define DISPLAY_ALL_ON 0xA5
+#define DISPLAY_ALL_ON_RESUME 0xA4
+#define NORMAL_DISPLAY 0xA6
+#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
+#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
+#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
+#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
+#define DISPLAY_CLOCK 0xD5
+#define PRE_CHARGE_PERIOD 0xD9
+#define VCOM_DETECT 0xDB
 
 // Charge Pump Commands
-#define CHARGE_PUMP             0x8D
+#define CHARGE_PUMP 0x8D
 
 // Misc defines
 #define OLED_TIMEOUT 60000
@@ -91,12 +91,12 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define I2C_CMD 0x00
 #define I2C_DATA 0x40
 #if defined(__AVR__)
-  // already defined on ARM
-  #define I2C_TIMEOUT 100
-  #define I2C_TRANSMIT_P(data) i2c_transmit_P((OLED_DISPLAY_ADDRESS << 1), &data[0], sizeof(data), I2C_TIMEOUT)
-#else // defined(__AVR__)
-  #define I2C_TRANSMIT_P(data) i2c_transmit((OLED_DISPLAY_ADDRESS << 1), &data[0], sizeof(data), I2C_TIMEOUT)
-#endif // defined(__AVR__)
+// already defined on ARM
+#    define I2C_TIMEOUT 100
+#    define I2C_TRANSMIT_P(data) i2c_transmit_P((OLED_DISPLAY_ADDRESS << 1), &data[0], sizeof(data), I2C_TIMEOUT)
+#else  // defined(__AVR__)
+#    define I2C_TRANSMIT_P(data) i2c_transmit((OLED_DISPLAY_ADDRESS << 1), &data[0], sizeof(data), I2C_TIMEOUT)
+#endif  // defined(__AVR__)
 #define I2C_TRANSMIT(data) i2c_transmit((OLED_DISPLAY_ADDRESS << 1), &data[0], sizeof(data), I2C_TIMEOUT)
 #define I2C_WRITE_REG(mode, data, size) i2c_writeReg((OLED_DISPLAY_ADDRESS << 1), mode, data, size, I2C_TIMEOUT)
 
@@ -106,19 +106,19 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // 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;
-uint8_t          oled_rotation = 0;
-uint8_t          oled_rotation_width = 0;
+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;
+uint8_t         oled_rotation       = 0;
+uint8_t         oled_rotation_width = 0;
 #if OLED_TIMEOUT > 0
-  uint32_t         oled_timeout;
+uint32_t oled_timeout;
 #endif
 #if OLED_SCROLL_TIMEOUT > 0
-  uint32_t         oled_scroll_timeout;
+uint32_t oled_scroll_timeout;
 #endif
 
 // Internal variables to reduce math instructions
@@ -126,468 +126,445 @@ uint8_t          oled_rotation_width = 0;
 #if defined(__AVR__)
 // identical to i2c_transmit, but for PROGMEM since all initialization is in PROGMEM arrays currently
 // probably should move this into i2c_master...
-static i2c_status_t i2c_transmit_P(uint8_t address, const uint8_t* data, uint16_t length, uint16_t timeout) {
-  i2c_status_t status = i2c_start(address | I2C_WRITE, timeout);
+static i2c_status_t i2c_transmit_P(uint8_t address, const uint8_t *data, uint16_t length, uint16_t timeout) {
+    i2c_status_t status = i2c_start(address | I2C_WRITE, timeout);
 
-  for (uint16_t i = 0; i < length && status >= 0; i++) {
-    status = i2c_write(pgm_read_byte((const char*)data++), timeout);
-    if (status) break;
-  }
+    for (uint16_t i = 0; i < length && status >= 0; i++) {
+        status = i2c_write(pgm_read_byte((const char *)data++), timeout);
+        if (status) break;
+    }
 
-  i2c_stop();
+    i2c_stop();
 
-  return status;
+    return status;
 }
 #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++;
-  }
+static void InvertCharacter(uint8_t *cursor) {
+    const uint8_t *end = cursor + OLED_FONT_WIDTH;
+    while (cursor < end) {
+        *cursor = ~(*cursor);
+        cursor++;
+    }
 }
 
 bool oled_init(uint8_t rotation) {
-  oled_rotation = oled_init_user(rotation);
-  if (!HAS_FLAGS(oled_rotation, OLED_ROTATION_90)) {
-    oled_rotation_width = OLED_DISPLAY_WIDTH;
-  } else {
-    oled_rotation_width = OLED_DISPLAY_HEIGHT;
-  }
-  i2c_init();
-
-  static const uint8_t PROGMEM display_setup1[] = {
-    I2C_CMD,
-    DISPLAY_OFF,
-    DISPLAY_CLOCK, 0x80,
-    MULTIPLEX_RATIO, OLED_DISPLAY_HEIGHT - 1,
-    DISPLAY_OFFSET, 0x00,
-    DISPLAY_START_LINE | 0x00,
-    CHARGE_PUMP, 0x14,
+    oled_rotation = oled_init_user(rotation);
+    if (!HAS_FLAGS(oled_rotation, OLED_ROTATION_90)) {
+        oled_rotation_width = OLED_DISPLAY_WIDTH;
+    } else {
+        oled_rotation_width = OLED_DISPLAY_HEIGHT;
+    }
+    i2c_init();
+
+    static const uint8_t PROGMEM display_setup1[] = {
+        I2C_CMD,
+        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
+        // MEMORY_MODE is unsupported on SH1106 (Page Addressing only)
+        MEMORY_MODE,
+        0x00,  // Horizontal addressing mode
 #endif
-  };
-  if (I2C_TRANSMIT_P(display_setup1) != I2C_STATUS_SUCCESS) {
-    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[] = {
-      I2C_CMD,
-      SEGMENT_REMAP_INV,
-      COM_SCAN_DEC };
-    if (I2C_TRANSMIT_P(display_normal) != I2C_STATUS_SUCCESS) {
-      print("oled_init cmd normal rotation failed\n");
-      return false;
-    }
-  } else {
-    static const uint8_t PROGMEM display_flipped[] = {
-      I2C_CMD,
-      SEGMENT_REMAP,
-      COM_SCAN_INC };
-    if (I2C_TRANSMIT_P(display_flipped) != I2C_STATUS_SUCCESS) {
-      print("display_flipped failed\n");
-      return false;
-    }
-  }
-
-  static const uint8_t PROGMEM display_setup2[] = {
-    I2C_CMD,
-    COM_PINS, OLED_COM_PINS,
-    CONTRAST, 0x8F,
-    PRE_CHARGE_PERIOD, 0xF1,
-    VCOM_DETECT, 0x40,
-    DISPLAY_ALL_ON_RESUME,
-    NORMAL_DISPLAY,
-    DEACTIVATE_SCROLL,
-    DISPLAY_ON };
-  if (I2C_TRANSMIT_P(display_setup2) != I2C_STATUS_SUCCESS) {
-    print("display_setup2 failed\n");
-    return false;
-  }
+    };
+    if (I2C_TRANSMIT_P(display_setup1) != I2C_STATUS_SUCCESS) {
+        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[] = {I2C_CMD, SEGMENT_REMAP_INV, COM_SCAN_DEC};
+        if (I2C_TRANSMIT_P(display_normal) != I2C_STATUS_SUCCESS) {
+            print("oled_init cmd normal rotation failed\n");
+            return false;
+        }
+    } else {
+        static const uint8_t PROGMEM display_flipped[] = {I2C_CMD, SEGMENT_REMAP, COM_SCAN_INC};
+        if (I2C_TRANSMIT_P(display_flipped) != I2C_STATUS_SUCCESS) {
+            print("display_flipped failed\n");
+            return false;
+        }
+    }
+
+    static const uint8_t PROGMEM display_setup2[] = {I2C_CMD, COM_PINS, OLED_COM_PINS, CONTRAST, 0x8F, PRE_CHARGE_PERIOD, 0xF1, VCOM_DETECT, 0x40, DISPLAY_ALL_ON_RESUME, NORMAL_DISPLAY, DEACTIVATE_SCROLL, DISPLAY_ON};
+    if (I2C_TRANSMIT_P(display_setup2) != I2C_STATUS_SUCCESS) {
+        print("display_setup2 failed\n");
+        return false;
+    }
 
 #if OLED_TIMEOUT > 0
-  oled_timeout = timer_read32() + OLED_TIMEOUT;
+    oled_timeout = timer_read32() + OLED_TIMEOUT;
 #endif
 #if OLED_SCROLL_TIMEOUT > 0
-  oled_scroll_timeout = timer_read32() + OLED_SCROLL_TIMEOUT;
+    oled_scroll_timeout = timer_read32() + OLED_SCROLL_TIMEOUT;
 #endif
 
-  oled_clear();
-  oled_initialized = true;
-  oled_active = true;
-  oled_scrolling = false;
-  return true;
+    oled_clear();
+    oled_initialized = true;
+    oled_active      = true;
+    oled_scrolling   = false;
+    return true;
 }
 
-__attribute__((weak))
-oled_rotation_t oled_init_user(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 = -1; // -1 will be max value as long as display_dirty is unsigned type
+    memset(oled_buffer, 0, sizeof(oled_buffer));
+    oled_cursor = &oled_buffer[0];
+    oled_dirty  = -1;  // -1 will be max value as long as display_dirty is unsigned type
 }
 
-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;
+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;
+    // 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;
+    // 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;
+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);
+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);
+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) {
-  // Do we have work to do?
-  if (!oled_dirty || oled_scrolling) {
-    return;
-  }
-
-  // Find first dirty block
-  uint8_t update_start = 0;
-  while (!(oled_dirty & (1 << update_start))) { ++update_start; }
-
-  // Set column & page position
-  static uint8_t display_start[] = {
-    I2C_CMD,
-    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[1]); // Offset from I2C_CMD byte at the start
-  } else {
-    calc_bounds_90(update_start, &display_start[1]); // Offset from I2C_CMD byte at the start
-  }
-
-  // Send column & page position
-  if (I2C_TRANSMIT(display_start) != I2C_STATUS_SUCCESS) {
-    print("oled_render offset command failed\n");
-    return;
-  }
-
-  if (!HAS_FLAGS(oled_rotation, OLED_ROTATION_90)) {
-    // Send render data chunk as is
-    if (I2C_WRITE_REG(I2C_DATA, &oled_buffer[OLED_BLOCK_SIZE * update_start], OLED_BLOCK_SIZE) != I2C_STATUS_SUCCESS) {
-      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 (I2C_WRITE_REG(I2C_DATA, &temp_buffer[0], OLED_BLOCK_SIZE) != I2C_STATUS_SUCCESS) {
-      print("oled_render90 data failed\n");
-      return;
-    }
-  }
-
-  // Turn on display if it is off
-  oled_on();
-
-  // Clear dirty flag
-  oled_dirty &= ~(1 << update_start);
+    // Do we have work to do?
+    if (!oled_dirty || oled_scrolling) {
+        return;
+    }
+
+    // Find first dirty block
+    uint8_t update_start = 0;
+    while (!(oled_dirty & (1 << update_start))) {
+        ++update_start;
+    }
+
+    // Set column & page position
+    static uint8_t display_start[] = {I2C_CMD, 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[1]);  // Offset from I2C_CMD byte at the start
+    } else {
+        calc_bounds_90(update_start, &display_start[1]);  // Offset from I2C_CMD byte at the start
+    }
+
+    // Send column & page position
+    if (I2C_TRANSMIT(display_start) != I2C_STATUS_SUCCESS) {
+        print("oled_render offset command failed\n");
+        return;
+    }
+
+    if (!HAS_FLAGS(oled_rotation, OLED_ROTATION_90)) {
+        // Send render data chunk as is
+        if (I2C_WRITE_REG(I2C_DATA, &oled_buffer[OLED_BLOCK_SIZE * update_start], OLED_BLOCK_SIZE) != I2C_STATUS_SUCCESS) {
+            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 (I2C_WRITE_REG(I2C_DATA, &temp_buffer[0], OLED_BLOCK_SIZE) != I2C_STATUS_SUCCESS) {
+            print("oled_render90 data failed\n");
+            return;
+        }
+    }
+
+    // Turn on display if it is off
+    oled_on();
+
+    // Clear dirty flag
+    oled_dirty &= ~(1 << update_start);
 }
 
 void oled_set_cursor(uint8_t col, uint8_t line) {
-  uint16_t index = line * oled_rotation_width + col * OLED_FONT_WIDTH;
+    uint16_t index = line * oled_rotation_width + col * OLED_FONT_WIDTH;
 
-  // Out of bounds?
-  if (index >= OLED_MATRIX_SIZE) {
-    index = 0;
-  }
+    // Out of bounds?
+    if (index >= OLED_MATRIX_SIZE) {
+        index = 0;
+    }
 
-  oled_cursor = &oled_buffer[index];
+    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;
+    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];
     }
-
-    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);
+    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;
-  }
+    // 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;
-  }
+    // Did we go out of bounds
+    if (nextIndex >= OLED_MATRIX_SIZE) {
+        nextIndex = 0;
+    }
 
-  // Update cursor position
-  oled_cursor = &oled_buffer[nextIndex];
+    // 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);
-
-  // 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 |= (1 << (index / OLED_BLOCK_SIZE));
-    // Edgecase check if the written data spans the 2 chunks
-    oled_dirty |= (1 << ((index + OLED_FONT_WIDTH) / OLED_BLOCK_SIZE));
-  }
-
-  // Finally move to the next char
-  oled_advance_char();
+    // 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);
+
+    // 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 |= (1 << (index / OLED_BLOCK_SIZE));
+        // Edgecase check if the written data spans the 2 chunks
+        oled_dirty |= (1 << ((index + OLED_FONT_WIDTH) / 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++;
-  }
+    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);
+    oled_write(data, invert);
+    oled_advance_page(true);
 }
 
 #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);
-  }
+    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);
+    oled_write_P(data, invert);
+    oled_advance_page(true);
 }
-#endif // defined(__AVR__)
+#endif  // defined(__AVR__)
 
 bool oled_on(void) {
 #if OLED_TIMEOUT > 0
-  oled_timeout = timer_read32() + OLED_TIMEOUT;
+    oled_timeout = timer_read32() + OLED_TIMEOUT;
 #endif
 
-  static const uint8_t PROGMEM display_on[] = { I2C_CMD, DISPLAY_ON };
-  if (!oled_active) {
-    if (I2C_TRANSMIT_P(display_on) != I2C_STATUS_SUCCESS) {
-      print("oled_on cmd failed\n");
-      return oled_active;
+    static const uint8_t PROGMEM display_on[] = {I2C_CMD, DISPLAY_ON};
+    if (!oled_active) {
+        if (I2C_TRANSMIT_P(display_on) != I2C_STATUS_SUCCESS) {
+            print("oled_on cmd failed\n");
+            return oled_active;
+        }
+        oled_active = true;
     }
-    oled_active = true;
-  }
-  return oled_active;
+    return oled_active;
 }
 
 bool oled_off(void) {
-  static const uint8_t PROGMEM display_off[] = { I2C_CMD, DISPLAY_OFF };
-  if (oled_active) {
-    if (I2C_TRANSMIT_P(display_off) != I2C_STATUS_SUCCESS) {
-      print("oled_off cmd failed\n");
-      return oled_active;
-    }
-    oled_active = false;
-  }
-  return !oled_active;
+    static const uint8_t PROGMEM display_off[] = {I2C_CMD, DISPLAY_OFF};
+    if (oled_active) {
+        if (I2C_TRANSMIT_P(display_off) != I2C_STATUS_SUCCESS) {
+            print("oled_off cmd failed\n");
+            return oled_active;
+        }
+        oled_active = false;
+    }
+    return !oled_active;
 }
 
 bool oled_scroll_right(void) {
-  // 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) {
-    static const uint8_t PROGMEM display_scroll_right[] = {
-      I2C_CMD, SCROLL_RIGHT, 0x00, 0x00, 0x00, 0x0F, 0x00, 0xFF, ACTIVATE_SCROLL };
-    if (I2C_TRANSMIT_P(display_scroll_right) != I2C_STATUS_SUCCESS) {
-      print("oled_scroll_right cmd failed\n");
-      return oled_scrolling;
-    }
-    oled_scrolling = true;
-  }
-  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) {
+        static const uint8_t PROGMEM display_scroll_right[] = {I2C_CMD, SCROLL_RIGHT, 0x00, 0x00, 0x00, 0x0F, 0x00, 0xFF, ACTIVATE_SCROLL};
+        if (I2C_TRANSMIT_P(display_scroll_right) != I2C_STATUS_SUCCESS) {
+            print("oled_scroll_right cmd failed\n");
+            return oled_scrolling;
+        }
+        oled_scrolling = true;
+    }
+    return oled_scrolling;
 }
 
 bool oled_scroll_left(void) {
-  // 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) {
-    static const uint8_t PROGMEM display_scroll_left[] = {
-      I2C_CMD, SCROLL_LEFT, 0x00, 0x00, 0x00, 0x0F, 0x00, 0xFF, ACTIVATE_SCROLL };
-    if (I2C_TRANSMIT_P(display_scroll_left) != I2C_STATUS_SUCCESS) {
-      print("oled_scroll_left cmd failed\n");
-      return oled_scrolling;
-    }
-    oled_scrolling = true;
-  }
-  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) {
+        static const uint8_t PROGMEM display_scroll_left[] = {I2C_CMD, SCROLL_LEFT, 0x00, 0x00, 0x00, 0x0F, 0x00, 0xFF, ACTIVATE_SCROLL};
+        if (I2C_TRANSMIT_P(display_scroll_left) != I2C_STATUS_SUCCESS) {
+            print("oled_scroll_left cmd failed\n");
+            return oled_scrolling;
+        }
+        oled_scrolling = true;
+    }
+    return oled_scrolling;
 }
 
 bool oled_scroll_off(void) {
-  if (oled_scrolling) {
-    static const uint8_t PROGMEM display_scroll_off[] = { I2C_CMD, DEACTIVATE_SCROLL };
-    if (I2C_TRANSMIT_P(display_scroll_off) != I2C_STATUS_SUCCESS) {
-      print("oled_scroll_off cmd failed\n");
-      return oled_scrolling;
-    }
-    oled_scrolling = false;
-    oled_dirty = -1;
-  }
-  return !oled_scrolling;
+    if (oled_scrolling) {
+        static const uint8_t PROGMEM display_scroll_off[] = {I2C_CMD, DEACTIVATE_SCROLL};
+        if (I2C_TRANSMIT_P(display_scroll_off) != I2C_STATUS_SUCCESS) {
+            print("oled_scroll_off cmd failed\n");
+            return oled_scrolling;
+        }
+        oled_scrolling = false;
+        oled_dirty     = -1;
+    }
+    return !oled_scrolling;
 }
 
 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;
+    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;
+    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_initialized) {
+        return;
+    }
 
-  oled_set_cursor(0, 0);
+    oled_set_cursor(0, 0);
 
-  oled_task_user();
+    oled_task_user();
 
 #if OLED_SCROLL_TIMEOUT > 0
-  if (oled_dirty && oled_scrolling) {
-    oled_scroll_timeout = timer_read32() + OLED_SCROLL_TIMEOUT;
-    oled_scroll_off();
-  }
+    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();
+    // Smart render system, no need to check for dirty
+    oled_render();
 
-  // Display timeout check
+    // Display timeout check
 #if OLED_TIMEOUT > 0
-  if (oled_active && timer_expired32(timer_read32(), oled_timeout)) {
-    oled_off();
-  }
+    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
-  }
+    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))
-void oled_task_user(void) {
-}
+__attribute__((weak)) void oled_task_user(void) {}