Fix up various spacing, comments, and typos

Marlin/src/HAL/HAL_DUE/HAL_spi_Due.cpp

@@ -93,11 +93,11 @@
       #define MAXNOPS 4
 
       if (x <= (MAXNOPS)) {
-        switch(x) { case 4: nop(); case 3: nop(); case 2: nop(); case 1: nop(); }
+        switch (x) { case 4: nop(); case 3: nop(); case 2: nop(); case 1: nop(); }
       }
       else { // because of +1 cycle inside delay_4cycles
         const uint32_t rem = (x - 1) % (MAXNOPS);
-        switch(rem) { case 3: nop(); case 2: nop(); case 1: nop(); }
+        switch (rem) { case 3: nop(); case 2: nop(); case 1: nop(); }
         if ((x = (x - 1) / (MAXNOPS)))
           __delay_4cycles(x); // if need more then 4 nop loop is more optimal
       }

Marlin/src/HAL/HAL_DUE/u8g_com_HAL_DUE_st7920_sw_spi.cpp

@@ -20,40 +20,38 @@
  *
  */
 
-/*
-
-  based on u8g_com_st7920_hw_spi.c
-
-  Universal 8bit Graphics Library
-
-  Copyright (c) 2011, olikraus@gmail.com
-  All rights reserved.
-
-  Redistribution and use in source and binary forms, with or without modification,
-  are permitted provided that the following conditions are met:
-
-  * Redistributions of source code must retain the above copyright notice, this list
-    of conditions and the following disclaimer.
-
-  * Redistributions in binary form must reproduce the above copyright notice, this
-    list of conditions and the following disclaimer in the documentation and/or other
-    materials provided with the distribution.
-
-  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
-  CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
-  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
-  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
-  STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
-  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-*/
+/**
+ * Based on u8g_com_st7920_hw_spi.c
+ *
+ * Universal 8bit Graphics Library
+ *
+ * Copyright (c) 2011, olikraus@gmail.com
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ *  * Redistributions of source code must retain the above copyright notice, this list
+ *    of conditions and the following disclaimer.
+ *
+ *  * Redistributions in binary form must reproduce the above copyright notice, this
+ *    list of conditions and the following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
 
 #ifdef ARDUINO_ARCH_SAM
 

Marlin/src/HAL/HAL_LPC1768/LPC1768_PWM.cpp

@@ -218,7 +218,7 @@ bool LPC1768_PWM_attach_pin(pin_t pin, uint32_t min /* = 1 */, uint32_t max /* =
   pin = GET_PIN_MAP_PIN(GET_PIN_MAP_INDEX(pin & 0xFF));  // Sometimes the upper byte is garbled
 
 ////  direct control PWM code
-  switch(pin) {
+  switch (pin) {
     case P1_23:                                       // MKS Sbase Servo 0, PWM1 channel 4  (J3-8 PWM1.4)
       direct_table[P1_23_PWM_channel - 1].min = min;
       direct_table[P1_23_PWM_channel - 1].max = MIN(max, LPC_PWM1_MR0 - MR0_MARGIN);
@@ -298,7 +298,7 @@ bool LPC1768_PWM_detach_pin(pin_t pin) {
   pin = GET_PIN_MAP_PIN(GET_PIN_MAP_INDEX(pin & 0xFF));
 
 ////  direct control PWM code
-  switch(pin) {
+  switch (pin) {
     case P1_23:                                       // MKS Sbase Servo 0, PWM1 channel 4  (J3-8 PWM1.4)
       if (!direct_table[P1_23_PWM_channel - 1].assigned) return false;
       CBI(LPC_PWM1->PCR, 8 + P1_23_PWM_channel);      // disable PWM1 module control of this pin
@@ -373,7 +373,7 @@ bool LPC1768_PWM_write(pin_t pin, uint32_t value) {
   pin = GET_PIN_MAP_PIN(GET_PIN_MAP_INDEX(pin & 0xFF));
 
 ////  direct control PWM code
-  switch(pin) {
+  switch (pin) {
     case P1_23:                                                           // MKS Sbase Servo 0, PWM1 channel 4  (J3-8 PWM1.4)
       if (!direct_table[P1_23_PWM_channel - 1].assigned) return false;
       LPC_PWM1->PCR |=  _BV(8 + P1_23_PWM_channel); // enable PWM1 module control of this pin

Marlin/src/HAL/HAL_LPC1768/arduino.cpp

@@ -70,7 +70,7 @@ extern "C" void delay(const int msec) {
 }
 
 // IO functions
-// As defined by Arduino INPUT(0x0), OUPUT(0x1), INPUT_PULLUP(0x2)
+// As defined by Arduino INPUT(0x0), OUTPUT(0x1), INPUT_PULLUP(0x2)
 void pinMode(const pin_t pin, const uint8_t mode) {
   if (!VALID_PIN(pin)) return;
 

Marlin/src/HAL/HAL_LPC1768/u8g/HAL_LCD_pin_routines.c

@@ -54,7 +54,7 @@ uint8_t LPC1768_PIN_PIN(const uint8_t pin);
 #endif
 
 // I/O functions
-// As defined by Arduino INPUT(0x0), OUPUT(0x1), INPUT_PULLUP(0x2)
+// As defined by Arduino INPUT(0x0), OUTPUT(0x1), INPUT_PULLUP(0x2)
 void pinMode_LCD(uint8_t pin, uint8_t mode) {
   #define LPC1768_PIN_PORT(pin) ((uint8_t)((pin >> 5) & 0b111))
   #define LPC1768_PIN_PIN(pin) ((uint8_t)(pin & 0b11111))

Marlin/src/HAL/HAL_LPC1768/u8g_com_HAL_LPC1768_hw_spi.cpp

@@ -20,123 +20,116 @@
  *
  */
 
-
-/*
-
-  based on u8g_com_msp430_hw_spi.c
-
-  Universal 8bit Graphics Library
-
-  Copyright (c) 2012, olikraus@gmail.com
-  All rights reserved.
-
-  Redistribution and use in source and binary forms, with or without modification,
-  are permitted provided that the following conditions are met:
-
-  * Redistributions of source code must retain the above copyright notice, this list
-  of conditions and the following disclaimer.
-
-  * Redistributions in binary form must reproduce the above copyright notice, this
-  list of conditions and the following disclaimer in the documentation and/or other
-  materials provided with the distribution.
-
-  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
-  CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
-  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
-  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
-  STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
-  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-*/
-
+/**
+ * Based on u8g_com_msp430_hw_spi.c
+ *
+ * Universal 8bit Graphics Library
+ *
+ * Copyright (c) 2011, olikraus@gmail.com
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ *  * Redistributions of source code must retain the above copyright notice, this list
+ *    of conditions and the following disclaimer.
+ *
+ *  * Redistributions in binary form must reproduce the above copyright notice, this
+ *    list of conditions and the following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
 
 #ifdef TARGET_LPC1768
 
-  //#include <inttypes.h>
-
-  //#include "src/core/macros.h"
-  //#include "Configuration.h"
-
-  #include <U8glib.h>
-
-  #define SPI_FULL_SPEED 0
-  #define SPI_HALF_SPEED 1
-  #define SPI_QUARTER_SPEED 2
-  #define SPI_EIGHTH_SPEED 3
-  #define SPI_SIXTEENTH_SPEED 4
-  #define SPI_SPEED_5 5
-  #define SPI_SPEED_6 6
-
-  void spiBegin();
-  void spiInit(uint8_t spiRate);
-  void spiSend(uint8_t b);
-  void spiSend(const uint8_t* buf, size_t n);
-
-
-  uint8_t u8g_com_HAL_LPC1768_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr)
-  {
-    switch(msg)
-    {
-      case U8G_COM_MSG_STOP:
-        break;
-
-      case U8G_COM_MSG_INIT:
-        u8g_SetPILevel(u8g, U8G_PI_CS, 1);
-        u8g_SetPILevel(u8g, U8G_PI_A0, 1);
-        u8g_SetPILevel(u8g, U8G_PI_RESET, 1);
-        u8g_SetPIOutput(u8g, U8G_PI_CS);
-        u8g_SetPIOutput(u8g, U8G_PI_A0);
-        u8g_SetPIOutput(u8g, U8G_PI_RESET);
-        u8g_Delay(5);
-        spiBegin();
-        #ifndef SPI_SPEED
-          #define SPI_SPEED SPI_FULL_SPEED  // use same SPI speed as SD card
-        #endif
-        spiInit(SPI_SPEED);
-        break;
-
-      case U8G_COM_MSG_ADDRESS:                     /* define cmd (arg_val = 0) or data mode (arg_val = 1) */
-        u8g_SetPILevel(u8g, U8G_PI_A0, arg_val);
-        break;
-
-      case U8G_COM_MSG_CHIP_SELECT:
-        u8g_SetPILevel(u8g, U8G_PI_CS, (arg_val ? 0 : 1));
-        break;
-
-      case U8G_COM_MSG_RESET:
-        u8g_SetPILevel(u8g, U8G_PI_RESET, arg_val);
-        break;
-
-      case U8G_COM_MSG_WRITE_BYTE:
-        spiSend((uint8_t)arg_val);
-        break;
-
-      case U8G_COM_MSG_WRITE_SEQ: {
-          uint8_t *ptr = (uint8_t*) arg_ptr;
-          while (arg_val > 0) {
-            spiSend(*ptr++);
-            arg_val--;
-          }
+//#include <inttypes.h>
+
+//#include "src/core/macros.h"
+//#include "Configuration.h"
+
+#include <U8glib.h>
+
+#define SPI_FULL_SPEED 0
+#define SPI_HALF_SPEED 1
+#define SPI_QUARTER_SPEED 2
+#define SPI_EIGHTH_SPEED 3
+#define SPI_SIXTEENTH_SPEED 4
+#define SPI_SPEED_5 5
+#define SPI_SPEED_6 6
+
+void spiBegin();
+void spiInit(uint8_t spiRate);
+void spiSend(uint8_t b);
+void spiSend(const uint8_t* buf, size_t n);
+
+uint8_t u8g_com_HAL_LPC1768_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr) {
+  switch (msg) {
+    case U8G_COM_MSG_STOP:
+      break;
+
+    case U8G_COM_MSG_INIT:
+      u8g_SetPILevel(u8g, U8G_PI_CS, 1);
+      u8g_SetPILevel(u8g, U8G_PI_A0, 1);
+      u8g_SetPILevel(u8g, U8G_PI_RESET, 1);
+      u8g_SetPIOutput(u8g, U8G_PI_CS);
+      u8g_SetPIOutput(u8g, U8G_PI_A0);
+      u8g_SetPIOutput(u8g, U8G_PI_RESET);
+      u8g_Delay(5);
+      spiBegin();
+      #ifndef SPI_SPEED
+        #define SPI_SPEED SPI_FULL_SPEED  // use same SPI speed as SD card
+      #endif
+      spiInit(SPI_SPEED);
+      break;
+
+    case U8G_COM_MSG_ADDRESS:                     /* define cmd (arg_val = 0) or data mode (arg_val = 1) */
+      u8g_SetPILevel(u8g, U8G_PI_A0, arg_val);
+      break;
+
+    case U8G_COM_MSG_CHIP_SELECT:
+      u8g_SetPILevel(u8g, U8G_PI_CS, (arg_val ? 0 : 1));
+      break;
+
+    case U8G_COM_MSG_RESET:
+      u8g_SetPILevel(u8g, U8G_PI_RESET, arg_val);
+      break;
+
+    case U8G_COM_MSG_WRITE_BYTE:
+      spiSend((uint8_t)arg_val);
+      break;
+
+    case U8G_COM_MSG_WRITE_SEQ: {
+        uint8_t *ptr = (uint8_t*) arg_ptr;
+        while (arg_val > 0) {
+          spiSend(*ptr++);
+          arg_val--;
         }
-        break;
-
-      case U8G_COM_MSG_WRITE_SEQ_P: {
-          uint8_t *ptr = (uint8_t*) arg_ptr;
-          while (arg_val > 0) {
-            spiSend(*ptr++);
-            arg_val--;
-          }
+      }
+      break;
+
+    case U8G_COM_MSG_WRITE_SEQ_P: {
+        uint8_t *ptr = (uint8_t*) arg_ptr;
+        while (arg_val > 0) {
+          spiSend(*ptr++);
+          arg_val--;
         }
-        break;
-    }
-    return 1;
+      }
+      break;
   }
+  return 1;
+}
 
 #endif  //TARGET_LPC1768

Marlin/src/HAL/HAL_LPC1768/u8g_com_HAL_LPC1768_ssd_hw_i2c.cpp

@@ -20,60 +20,60 @@
  *
  */
 
+/**
+ * Based on u8g_com_arduino_ssd_i2c.c
+ *
+ * COM interface for Arduino (AND ATmega) and the SSDxxxx chip (SOLOMON) variant
+ * I2C protocol
+ *
+ * ToDo: Rename this to u8g_com_avr_ssd_i2c.c
+ *
+ * Universal 8bit Graphics Library
+ *
+ * Copyright (c) 2011, olikraus@gmail.com
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ *  * Redistributions of source code must retain the above copyright notice, this list
+ *    of conditions and the following disclaimer.
+ *
+ *  * Redistributions in binary form must reproduce the above copyright notice, this
+ *    list of conditions and the following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
 
-/*
-
-  based on u8g_com_arduino_ssd_i2c.c
-
-  com interface for arduino (AND atmega) and the SSDxxxx chip (SOLOMON) variant
-  I2C protocol
-
-  ToDo: Rename this to u8g_com_avr_ssd_i2c.c
-
-  Universal 8bit Graphics Library
-
-  Copyright (c) 2012, olikraus@gmail.com
-  All rights reserved.
-
-  Redistribution and use in source and binary forms, with or without modification,
-  are permitted provided that the following conditions are met:
-
-  * Redistributions of source code must retain the above copyright notice, this list
-  of conditions and the following disclaimer.
-
-  * Redistributions in binary form must reproduce the above copyright notice, this
-  list of conditions and the following disclaimer in the documentation and/or other
-  materials provided with the distribution.
-
-  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
-  CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
-  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
-  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
-  STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
-  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-  Special pin usage:
-  U8G_PI_I2C_OPTION additional options
-  U8G_PI_A0_STATE used to store the last value of the command/data register selection
-  U8G_PI_SET_A0   1: Signal request to update I2C device with new A0_STATE, 0: Do nothing, A0_STATE matches I2C device
-  U8G_PI_SCL    clock line (NOT USED)
-  U8G_PI_SDA    data line (NOT USED)
-
-  U8G_PI_RESET    reset line (currently disabled, see below)
-
-  Protocol:
-  SLA, Cmd/Data Selection, Arguments
-  The command/data register is selected by a special instruction byte, which is sent after SLA
-
-  The continue bit is always 0 so that a (re)start is equired for the change from cmd to/data mode
-*/
+/**
+ * Special pin usage:
+ * U8G_PI_I2C_OPTION additional options
+ * U8G_PI_A0_STATE used to store the last value of the command/data register selection
+ * U8G_PI_SET_A0   1: Signal request to update I2C device with new A0_STATE, 0: Do nothing, A0_STATE matches I2C device
+ * U8G_PI_SCL    clock line (NOT USED)
+ * U8G_PI_SDA    data line (NOT USED)
+ *
+ * U8G_PI_RESET    reset line (currently disabled, see below)
+ *
+ * Protocol:
+ * SLA, Cmd/Data Selection, Arguments
+ * The command/data register is selected by a special instruction byte, which is sent after SLA
+ *
+ * The continue bit is always 0 so that a (re)start is equired for the change from cmd to/data mode
+ */
 
 #ifdef TARGET_LPC1768
 
@@ -84,36 +84,27 @@
   #define I2C_CMD_MODE    0x000
   #define I2C_DATA_MODE   0x040
 
-//    #define U8G_I2C_OPT_FAST 16
+  //#define U8G_I2C_OPT_FAST 16
 
-  uint8_t  u8g_com_ssd_I2C_start_sequence(u8g_t *u8g)
-  {
+  uint8_t u8g_com_ssd_I2C_start_sequence(u8g_t *u8g) {
     /* are we requested to set the a0 state? */
-    if ( u8g->pin_list[U8G_PI_SET_A0] == 0 )
-      return 1;
+    if (u8g->pin_list[U8G_PI_SET_A0] == 0) return 1;
 
     /* setup bus, might be a repeated start */
-    if ( u8g_i2c_start(I2C_SLA) == 0 )
+    if (u8g_i2c_start(I2C_SLA) == 0)
       return 0;
-    if ( u8g->pin_list[U8G_PI_A0_STATE] == 0 )
-    {
-      if ( u8g_i2c_send_byte(I2C_CMD_MODE) == 0 )
-        return 0;
-    }
-    else
-    {
-      if ( u8g_i2c_send_byte(I2C_DATA_MODE) == 0 )
-        return 0;
+    if (u8g->pin_list[U8G_PI_A0_STATE] == 0 ) {
+      if (u8g_i2c_send_byte(I2C_CMD_MODE) == 0) return 0;
     }
+    else if (u8g_i2c_send_byte(I2C_DATA_MODE) == 0)
+      return 0;
 
     u8g->pin_list[U8G_PI_SET_A0] = 0;
-      return 1;
+    return 1;
   }
 
-  uint8_t u8g_com_HAL_LPC1768_ssd_hw_i2c_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr)
-  {
-    switch(msg)
-    {
+  uint8_t u8g_com_HAL_LPC1768_ssd_hw_i2c_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr) {
+    switch(msg) {
       case U8G_COM_MSG_INIT:
         //u8g_com_arduino_digital_write(u8g, U8G_PI_SCL, HIGH);
         //u8g_com_arduino_digital_write(u8g, U8G_PI_SDA, HIGH);
@@ -134,34 +125,32 @@
       case U8G_COM_MSG_CHIP_SELECT:
         u8g->pin_list[U8G_PI_A0_STATE] = 0;
         u8g->pin_list[U8G_PI_SET_A0] = 1;   /* force a0 to set again, also forces start condition */
-        if ( arg_val == 0 )
-        {
+        if (arg_val == 0 ) {
           /* disable chip, send stop condition */
           u8g_i2c_stop();
         }
-        else
-        {
+        else {
           /* enable, do nothing: any byte writing will trigger the i2c start */
         }
         break;
 
       case U8G_COM_MSG_WRITE_BYTE:
         //u8g->pin_list[U8G_PI_SET_A0] = 1;
-//          if ( u8g_com_arduino_ssd_start_sequence(u8g) == 0 )
-//            return u8g_i2c_stop(), 0;
-        if ( u8g_i2c_send_byte(arg_val) == 0 )
+        //if (u8g_com_arduino_ssd_start_sequence(u8g) == 0)
+        //  return u8g_i2c_stop(), 0;
+        if (u8g_i2c_send_byte(arg_val) == 0)
           return u8g_i2c_stop(), 0;
         // u8g_i2c_stop();
         break;
 
-      case U8G_COM_MSG_WRITE_SEQ:
+      case U8G_COM_MSG_WRITE_SEQ: {
         //u8g->pin_list[U8G_PI_SET_A0] = 1;
-        if ( u8g_com_ssd_I2C_start_sequence(u8g) == 0 )
+        if (u8g_com_ssd_I2C_start_sequence(u8g) == 0)
           return u8g_i2c_stop(), 0;
-        {
+
           register uint8_t *ptr = (uint8_t *)arg_ptr;
           while (arg_val > 0) {
-            if ( u8g_i2c_send_byte(*ptr++) == 0 )
+            if (u8g_i2c_send_byte(*ptr++) == 0)
               return u8g_i2c_stop(), 0;
             arg_val--;
           }
@@ -169,14 +158,14 @@
         // u8g_i2c_stop();
         break;
 
-      case U8G_COM_MSG_WRITE_SEQ_P:
-        //u8g->pin_list[U8G_PI_SET_A0] = 1;
-        if ( u8g_com_ssd_I2C_start_sequence(u8g) == 0 )
-          return u8g_i2c_stop(), 0;
-        {
+      case U8G_COM_MSG_WRITE_SEQ_P: {
+          //u8g->pin_list[U8G_PI_SET_A0] = 1;
+          if (u8g_com_ssd_I2C_start_sequence(u8g) == 0)
+            return u8g_i2c_stop(), 0;
+
           register uint8_t *ptr = (uint8_t *)arg_ptr;
           while (arg_val > 0) {
-            if ( u8g_i2c_send_byte(u8g_pgm_read(ptr)) == 0 )
+            if (u8g_i2c_send_byte(u8g_pgm_read(ptr)) == 0)
               return 0;
             ptr++;
             arg_val--;
@@ -190,12 +179,10 @@
         u8g->pin_list[U8G_PI_SET_A0] = 1;   /* force a0 to set again */
 
         u8g_i2c_start(0); // send slave address and write bit
-        if (arg_val)
-          u8g_i2c_send_byte(0x40);  // write to graphics DRAM mode
-        else
-          u8g_i2c_send_byte(0x80);  //command mode
+        u8g_i2c_send_byte(arg_val ? 0x40 : 0x80);  // Write to ? Graphics DRAM mode : Command mode
         break;
-    }
+
+    } // switch
     return 1;
   }
 

Marlin/src/HAL/HAL_LPC1768/u8g_com_HAL_LPC1768_ssd_sw_i2c.cpp under construction

@@ -20,47 +20,44 @@
  *
  */
 
-/*  based on U8G2 code
-
-  u8x8_byte.c
-
-  Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/)
-
-  Copyright (c) 2016, olikraus@gmail.com
-  All rights reserved.
-
-  Redistribution and use in source and binary forms, with or without modification,
-  are permitted provided that the following conditions are met:
-
-  * Redistributions of source code must retain the above copyright notice, this list
-    of conditions and the following disclaimer.
-
-  * Redistributions in binary form must reproduce the above copyright notice, this
-    list of conditions and the following disclaimer in the documentation and/or other
-    materials provided with the distribution.
-
-  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
-  CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
-  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
-  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
-  STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
-  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-*/
+/**
+ * Based on U8G2 code - u8x8_byte.c
+ *
+ * Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/)
+ *
+ * Copyright (c) 2016, olikraus@gmail.com
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ *  * Redistributions of source code must retain the above copyright notice, this list
+ *    of conditions and the following disclaimer.
+ *
+ *  * Redistributions in binary form must reproduce the above copyright notice, this
+ *    list of conditions and the following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
 
-/*
-  software i2c,
-  ignores ACK response (which is anyway not provided by some displays)
-  also does not allow reading from the device
-*/
+/**
+ * Software i2c,
+ * ignores ACK response (which is anyway not provided by some displays)
+ * also does not allow reading from the device
+ */
 
 #ifdef TARGET_LPC1768
 
@@ -80,17 +77,13 @@ void delayMicroseconds(uint32_t us);
 //#define SPEED_400KHz 3
 //#define SPEED_100KHz 13
 
-
 //    #define U8G_I2C_OPT_FAST 16
 
-
-
 uint8_t SCL_pin_HAL_LPC1768_sw_I2C, SCL_port_HAL_LPC1768_sw_I2C, SDA_pin_HAL_LPC1768_sw_I2C, SDA_port_HAL_LPC1768_sw_I2C;
 
 #define SPI_SPEED 2  //20: 200KHz 5:750KHz 2:3-4MHz
 
 uint8_t u8g_i2c_send_byte_sw(uint8_t data) {
-{
   for (uint8_t i = 0; i < 9; i++) {   // 1 extra bit for the ack/nak
 
     if (val & 0x80)
@@ -118,14 +111,13 @@ uint8_t u8g_i2c_send_byte_sw(uint8_t data) {
       LPC_GPIO(SCL_port_HAL_LPC1768_sw_I2C)->FIOCLR = LPC_PIN(SCL_pin_HAL_LPC1768_sw_I2C);
       LPC_GPIO(SCL_port_HAL_LPC1768_sw_I2C)->FIOCLR = LPC_PIN(SCL_pin_HAL_LPC1768_sw_I2C);
     }
-    val = val << 1;
+    val <<= 1;
   }
   return 1;
 }
 
 
 uint8_t u8g_i2c_start_sw(uint8_t sla) {  // assert start condition and then send slave address with write bit
-{
   /* send the start condition, both lines go from 1 to 0 */
 
   LPC_GPIO(SDA_port_HAL_LPC1768_sw_I2C)->FIOCLR = LPC_PIN(SDA_pin_HAL_LPC1768_sw_I2C);
@@ -143,139 +135,115 @@ uint8_t u8g_i2c_start_sw(uint8_t sla) {  // assert start condition and then send
 }
 
 
-void u8g_i2c_stop_sw(void) {
-}
+void u8g_i2c_stop_sw(void) { }
 
-void u8g_i2c_init_sw(uint8_t clock_option) {
-  u8g_i2c_start(0); // send slave address and write bit
-}
+void u8g_i2c_init_sw(uint8_t clock_option) { u8g_i2c_start(0); } // send slave address and write bit
 
+uint8_t  u8g_com_ssd_I2C_start_sequence_sw(u8g_t *u8g) {
+  /* are we requested to set the a0 state? */
+  if (u8g->pin_list[U8G_PI_SET_A0] == 0) return 1;
 
+  /* setup bus, might be a repeated start */
+  if (u8g_i2c_start(I2C_SLA) == 0) return 0;
+  if (u8g->pin_list[U8G_PI_A0_STATE] == 0) {
+    if (u8g_i2c_send_byte(I2C_CMD_MODE) == 0) return 0;
+  }
+  else if (u8g_i2c_send_byte(I2C_DATA_MODE) == 0) return 0;
 
-  uint8_t  u8g_com_ssd_I2C_start_sequence_sw(u8g_t *u8g)
-  {
-    /* are we requested to set the a0 state? */
-    if ( u8g->pin_list[U8G_PI_SET_A0] == 0 )
-      return 1;
+  u8g->pin_list[U8G_PI_SET_A0] = 0;
 
-    /* setup bus, might be a repeated start */
-    if ( u8g_i2c_start(I2C_SLA) == 0 )
-      return 0;
-    if ( u8g->pin_list[U8G_PI_A0_STATE] == 0 )
-    {
-      if ( u8g_i2c_send_byte(I2C_CMD_MODE) == 0 )
-        return 0;
-    }
-    else
-    {
-      if ( u8g_i2c_send_byte(I2C_DATA_MODE) == 0 )
-        return 0;
-    }
-
-    u8g->pin_list[U8G_PI_SET_A0] = 0;
-      return 1;
-  }
+  return 1;
+}
 
-  uint8_t u8g_com_HAL_LPC1768_ssd_sw_i2c_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr)
-  {
-    switch(msg)
-    {
-      case U8G_COM_MSG_INIT:
-
-        #define LPC1768_PIN_PORT(pin) ((uint8_t)((pin >> 5) & 0b111))
-        #define LPC1768_PIN_PIN(pin) ((uint8_t)(pin & 0b11111))
-        SCL_pin_HAL_LPC1768_sw_I2C = LPC1768_PIN_PIN(u8g->pin_list[U8G_PI_SCL]);
-        SCL_port_HAL_LPC1768_sw_I2C = LPC1768_PIN_PORT(u8g->pin_list[U8G_PI_SCL]);
-        SDA_pin_HAL_LPC1768_sw_I2C = LPC1768_PIN_PIN(u8g->pin_list[U8G_PI_SDA]);
-        SDA_port_HAL_LPC1768_sw_I2C = LPC1768_PIN_PORT(u8g->pin_list[U8G_PI_SDA]);
-        // As defined by Arduino INPUT(0x0), OUPUT(0x1), INPUT_PULLUP(0x2)
-        #define OUPUT 0x1
-        u8g_SetPIOutput(u8g, U8G_PI_SCL);
-        u8g_SetPIOutput(u8g, U8G_PI_SDA);
-        if (U8G_PIN_NONE != u8g->pin_list[U8G_PI_CS])  u8g_SetPIOutput(u8g, U8G_PI_CS);
-        if (U8G_PIN_NONE != u8g->pin_list[U8G_PI_A0])  u8g_SetPIOutput(u8g, U8G_PI_A0);
-        if (U8G_PIN_NONE != u8g->pin_list[U8G_PI_RESET])  u8g_SetPIOutput(u8g, U8G_PI_RESET);
-
-        //u8g_com_arduino_digital_write(u8g, U8G_PI_SCL, HIGH);
-        //u8g_com_arduino_digital_write(u8g, U8G_PI_SDA, HIGH);
-        //u8g->pin_list[U8G_PI_A0_STATE] = 0;       /* inital RS state: unknown mode */
-
-        u8g_i2c_init_sw(u8g->pin_list[U8G_PI_I2C_OPTION]);
-        u8g_com_ssd_I2C_start_sequence_sw((u8g);
-        break;
-
-      case U8G_COM_MSG_STOP:
-        break;
-
-      case U8G_COM_MSG_RESET:
-        break;
-
-      case U8G_COM_MSG_CHIP_SELECT:
-        u8g->pin_list[U8G_PI_A0_STATE] = 0;
-        u8g->pin_list[U8G_PI_SET_A0] = 1;   /* force a0 to set again, also forces start condition */
-        if ( arg_val == 0 )
-        {
-          /* disable chip, send stop condition */
-          u8g_i2c_stop_sw();
-        }
-        else
-        {
-          /* enable, do nothing: any byte writing will trigger the i2c start */
-        }
-        break;
-
-      case U8G_COM_MSG_WRITE_BYTE:
-        //u8g->pin_list[U8G_PI_SET_A0] = 1;
-//          if ( u8g_com_arduino_ssd_start_sequence(u8g) == 0 )
-//            return u8g_i2c_stop(), 0;
-        if ( u8g_i2c_send_byte_sw(arg_val) == 0 )
-          return u8g_i2c_stop_sw(), 0;
+uint8_t u8g_com_HAL_LPC1768_ssd_sw_i2c_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr) {
+  switch (msg) {
+    case U8G_COM_MSG_INIT:
+
+      #define LPC1768_PIN_PORT(pin) ((uint8_t)((pin >> 5) & 0b111))
+      #define LPC1768_PIN_PIN(pin) ((uint8_t)(pin & 0b11111))
+      SCL_pin_HAL_LPC1768_sw_I2C = LPC1768_PIN_PIN(u8g->pin_list[U8G_PI_SCL]);
+      SCL_port_HAL_LPC1768_sw_I2C = LPC1768_PIN_PORT(u8g->pin_list[U8G_PI_SCL]);
+      SDA_pin_HAL_LPC1768_sw_I2C = LPC1768_PIN_PIN(u8g->pin_list[U8G_PI_SDA]);
+      SDA_port_HAL_LPC1768_sw_I2C = LPC1768_PIN_PORT(u8g->pin_list[U8G_PI_SDA]);
+      // As defined by Arduino INPUT(0x0), OUTPUT(0x1), INPUT_PULLUP(0x2)
+      #define OUTPUT 0x1
+      u8g_SetPIOutput(u8g, U8G_PI_SCL);
+      u8g_SetPIOutput(u8g, U8G_PI_SDA);
+      if (U8G_PIN_NONE != u8g->pin_list[U8G_PI_CS])  u8g_SetPIOutput(u8g, U8G_PI_CS);
+      if (U8G_PIN_NONE != u8g->pin_list[U8G_PI_A0])  u8g_SetPIOutput(u8g, U8G_PI_A0);
+      if (U8G_PIN_NONE != u8g->pin_list[U8G_PI_RESET])  u8g_SetPIOutput(u8g, U8G_PI_RESET);
+
+      //u8g_com_arduino_digital_write(u8g, U8G_PI_SCL, HIGH);
+      //u8g_com_arduino_digital_write(u8g, U8G_PI_SDA, HIGH);
+      //u8g->pin_list[U8G_PI_A0_STATE] = 0;       /* inital RS state: unknown mode */
+
+      u8g_i2c_init_sw(u8g->pin_list[U8G_PI_I2C_OPTION]);
+      u8g_com_ssd_I2C_start_sequence_sw(u8g);
+      break;
+
+    case U8G_COM_MSG_STOP: break;
+
+    case U8G_COM_MSG_RESET: break;
+
+    case U8G_COM_MSG_CHIP_SELECT:
+      u8g->pin_list[U8G_PI_A0_STATE] = 0;
+      u8g->pin_list[U8G_PI_SET_A0] = 1;   /* force a0 to set again, also forces start condition */
+      if (arg_val == 0) {
+        /* disable chip, send stop condition */
+        u8g_i2c_stop_sw();
+      }
+      else {
+        /* enable, do nothing: any byte writing will trigger the i2c start */
+      }
+      break;
+
+    case U8G_COM_MSG_WRITE_BYTE:
+      //u8g->pin_list[U8G_PI_SET_A0] = 1;
+      //if (u8g_com_arduino_ssd_start_sequence(u8g) == 0)
+      //  return u8g_i2c_stop(), 0;
+      if (u8g_i2c_send_byte_sw(arg_val) == 0)
+        return u8g_i2c_stop_sw(), 0;
         // u8g_i2c_stop();
-        break;
-
-      case U8G_COM_MSG_WRITE_SEQ:
-        //u8g->pin_list[U8G_PI_SET_A0] = 1;
-        if ( u8g_com_ssd_I2C_start_sequence_sw(u8g) == 0 )
-          return u8g_i2c_stop_sw(), 0;
-        {
-          register uint8_t *ptr = (uint8_t *)arg_ptr;
-          while (arg_val > 0) {
-            if ( u8g_i2c_send_byte_sw(*ptr++) == 0 )
-              return u8g_i2c_stop_sw(), 0;
-            arg_val--;
-          }
+      break;
+
+    case U8G_COM_MSG_WRITE_SEQ: {
+      //u8g->pin_list[U8G_PI_SET_A0] = 1;
+      if (u8g_com_ssd_I2C_start_sequence_sw(u8g) == 0)
+        return u8g_i2c_stop_sw(), 0;
+
+        register uint8_t *ptr = (uint8_t *)arg_ptr;
+        while (arg_val > 0) {
+          if (u8g_i2c_send_byte_sw(*ptr++) == 0)
+            return u8g_i2c_stop_sw(), 0;
+          arg_val--;
         }
-        // u8g_i2c_stop();
-        break;
-
-      case U8G_COM_MSG_WRITE_SEQ_P:
-        //u8g->pin_list[U8G_PI_SET_A0] = 1;
-        if ( u8g_com_ssd_I2C_start_sequence_sw(u8g) == 0 )
-          return u8g_i2c_stop_sw(), 0;
-        {
-          register uint8_t *ptr = (uint8_t *)arg_ptr;
-          while (arg_val > 0) {
-            if ( u8g_i2c_send_byte_sw(u8g_pgm_read(ptr)) == 0 )
-              return 0;
-            ptr++;
-            arg_val--;
-          }
+      }
+      // u8g_i2c_stop();
+      break;
+
+    case U8G_COM_MSG_WRITE_SEQ_P: {
+      //u8g->pin_list[U8G_PI_SET_A0] = 1;
+      if (u8g_com_ssd_I2C_start_sequence_sw(u8g) == 0)
+        return u8g_i2c_stop_sw(), 0;
+
+        register uint8_t *ptr = (uint8_t *)arg_ptr;
+        while (arg_val > 0) {
+          if (u8g_i2c_send_byte_sw(u8g_pgm_read(ptr)) == 0) return 0;
+          ptr++;
+          arg_val--;
         }
-        // u8g_i2c_stop();
-        break;
-
-      case U8G_COM_MSG_ADDRESS:                     /* define cmd (arg_val = 0) or data mode (arg_val = 1) */
-        u8g->pin_list[U8G_PI_A0_STATE] = arg_val;
-        u8g->pin_list[U8G_PI_SET_A0] = 1;   /* force a0 to set again */
-
-        u8g_i2c_start_sw(0); // send slave address and write bit
-        if (arg_val)
-          u8g_i2c_send_byte_sw(0x40);  // write to graphics DRAM mode
-        else
-          u8g_i2c_send_byte_sw(0x80);  //command mode
-        break;
-    }
-    return 1;
+      }
+      // u8g_i2c_stop();
+      break;
+
+    case U8G_COM_MSG_ADDRESS:                     /* define cmd (arg_val = 0) or data mode (arg_val = 1) */
+      u8g->pin_list[U8G_PI_A0_STATE] = arg_val;
+      u8g->pin_list[U8G_PI_SET_A0] = 1;   /* force a0 to set again */
+      u8g_i2c_start_sw(0); // send slave address and write bit
+      u8g_i2c_send_byte_sw(arg_val ? 0x40 : 0x80);  // Write to ? Graphics DRAM mode : Command mode
+      break;
   }
+  return 1;
+}
 
 #endif  // TARGET_LPC1768

Marlin/src/HAL/HAL_LPC1768/u8g_com_HAL_LPC1768_st7920_hw_spi.cpp

@@ -20,40 +20,38 @@
  *
  */
 
-/*
-
-  based on u8g_com_LPC1768_st7920_hw_spi.c
-
-  Universal 8bit Graphics Library
-
-  Copyright (c) 2011, olikraus@gmail.com
-  All rights reserved.
-
-  Redistribution and use in source and binary forms, with or without modification,
-  are permitted provided that the following conditions are met:
-
-  * Redistributions of source code must retain the above copyright notice, this list
-    of conditions and the following disclaimer.
-
-  * Redistributions in binary form must reproduce the above copyright notice, this
-    list of conditions and the following disclaimer in the documentation and/or other
-    materials provided with the distribution.
-
-  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
-  CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
-  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
-  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
-  STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
-  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-*/
+/**
+ * Based on u8g_com_LPC1768_st7920_hw_spi.c
+ *
+ * Universal 8bit Graphics Library
+ *
+ * Copyright (c) 2011, olikraus@gmail.com
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ *  * Redistributions of source code must retain the above copyright notice, this list
+ *    of conditions and the following disclaimer.
+ *
+ *  * Redistributions in binary form must reproduce the above copyright notice, this
+ *    list of conditions and the following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
 
 #ifdef TARGET_LPC1768
 

Marlin/src/HAL/HAL_LPC1768/u8g_com_HAL_LPC1768_st7920_sw_spi.cpp

@@ -20,40 +20,38 @@
  *
  */
 
-/*
-
-  based on u8g_com_st7920_hw_spi.c
-
-  Universal 8bit Graphics Library
-
-  Copyright (c) 2011, olikraus@gmail.com
-  All rights reserved.
-
-  Redistribution and use in source and binary forms, with or without modification,
-  are permitted provided that the following conditions are met:
-
-  * Redistributions of source code must retain the above copyright notice, this list
-    of conditions and the following disclaimer.
-
-  * Redistributions in binary form must reproduce the above copyright notice, this
-    list of conditions and the following disclaimer in the documentation and/or other
-    materials provided with the distribution.
-
-  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
-  CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
-  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
-  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
-  STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
-  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-*/
+/**
+ * Based on u8g_com_st7920_hw_spi.c
+ *
+ * Universal 8bit Graphics Library
+ *
+ * Copyright (c) 2011, olikraus@gmail.com
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ *  * Redistributions of source code must retain the above copyright notice, this list
+ *    of conditions and the following disclaimer.
+ *
+ *  * Redistributions in binary form must reproduce the above copyright notice, this
+ *    list of conditions and the following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
 
 #ifdef TARGET_LPC1768
 

Marlin/src/HAL/HAL_LPC1768/u8g_com_HAL_LPC1768_sw_spi.cpp

@@ -20,40 +20,38 @@
  *
  */
 
-/*
-
-  adapted from u8g_com_std_sw_spi.c
-
-  Universal 8bit Graphics Library
-
-  Copyright (c) 2015, olikraus@gmail.com
-  All rights reserved.
-
-  Redistribution and use in source and binary forms, with or without modification,
-  are permitted provided that the following conditions are met:
-
-  * Redistributions of source code must retain the above copyright notice, this list
-    of conditions and the following disclaimer.
-
-  * Redistributions in binary form must reproduce the above copyright notice, this
-    list of conditions and the following disclaimer in the documentation and/or other
-    materials provided with the distribution.
-
-  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
-  CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
-  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
-  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
-  STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
-  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-*/
+/**
+ * Based on u8g_com_std_sw_spi.c
+ *
+ * Universal 8bit Graphics Library
+ *
+ * Copyright (c) 2015, olikraus@gmail.com
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ *  * Redistributions of source code must retain the above copyright notice, this list
+ *    of conditions and the following disclaimer.
+ *
+ *  * Redistributions in binary form must reproduce the above copyright notice, this
+ *    list of conditions and the following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
 
 #ifdef TARGET_LPC1768
 
@@ -64,15 +62,12 @@
 
 static uint8_t SPI_speed = 0;
 
-static void u8g_sw_spi_HAL_LPC1768_shift_out(uint8_t dataPin, uint8_t clockPin, uint8_t val)
-{
+static void u8g_sw_spi_HAL_LPC1768_shift_out(uint8_t dataPin, uint8_t clockPin, uint8_t val) {
   swSpiTransfer(val, SPI_speed, clockPin, -1, dataPin);
 }
 
-uint8_t u8g_com_HAL_LPC1768_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr)
-{
-  switch(msg)
-  {
+uint8_t u8g_com_HAL_LPC1768_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr) {
+  switch(msg) {
     case U8G_COM_MSG_INIT:
       u8g_SetPIOutput(u8g, U8G_PI_SCK);
       u8g_SetPIOutput(u8g, U8G_PI_MOSI);

Marlin/src/feature/bedlevel/ubl/ubl_G29.cpp

@@ -513,7 +513,7 @@
           }
           else {
             const float cvf = parser.value_float();
-            switch((int)truncf(cvf * 10.0) - 30) {   // 3.1 -> 1
+            switch ((int)truncf(cvf * 10.0) - 30) {   // 3.1 -> 1
               #if ENABLED(UBL_G29_P31)
                 case 1: {
 

Marlin/src/feature/tmc_util.cpp

@@ -314,7 +314,7 @@ void _tmc_say_sgt(const TMC_AxisEnum axis, const int8_t sgt) {
 
   #if ENABLED(HAVE_TMC2130)
     static void tmc_status(TMC2130Stepper &st, const TMC_debug_enum i) {
-      switch(i) {
+      switch (i) {
         case TMC_PWM_SCALE: SERIAL_PRINT(st.PWM_SCALE(), DEC); break;
         case TMC_TSTEP: SERIAL_ECHO(st.TSTEP()); break;
         case TMC_SGT: SERIAL_PRINT(st.sgt(), DEC); break;
@@ -323,7 +323,7 @@ void _tmc_say_sgt(const TMC_AxisEnum axis, const int8_t sgt) {
       }
     }
     static void tmc_parse_drv_status(TMC2130Stepper &st, const TMC_drv_status_enum i) {
-      switch(i) {
+      switch (i) {
         case TMC_STALLGUARD: if (st.stallguard()) SERIAL_CHAR('X'); break;
         case TMC_SG_RESULT:  SERIAL_PRINT(st.sg_result(), DEC);   break;
         case TMC_FSACTIVE:   if (st.fsactive())   SERIAL_CHAR('X'); break;
@@ -333,7 +333,7 @@ void _tmc_say_sgt(const TMC_AxisEnum axis, const int8_t sgt) {
   #endif
   #if ENABLED(HAVE_TMC2208)
     static void tmc_status(TMC2208Stepper &st, const TMC_debug_enum i) {
-      switch(i) {
+      switch (i) {
         case TMC_TSTEP: { uint32_t data = 0; st.TSTEP(&data); SERIAL_PROTOCOL(data); break; }
         case TMC_PWM_SCALE: SERIAL_PRINT(st.pwm_scale_sum(), DEC); break;
         case TMC_STEALTHCHOP: serialprintPGM(st.stealth() ? PSTR("true") : PSTR("false")); break;
@@ -343,7 +343,7 @@ void _tmc_say_sgt(const TMC_AxisEnum axis, const int8_t sgt) {
       }
     }
     static void tmc_parse_drv_status(TMC2208Stepper &st, const TMC_drv_status_enum i) {
-      switch(i) {
+      switch (i) {
         case TMC_T157: if (st.t157()) SERIAL_CHAR('X'); break;
         case TMC_T150: if (st.t150()) SERIAL_CHAR('X'); break;
         case TMC_T143: if (st.t143()) SERIAL_CHAR('X'); break;
@@ -356,7 +356,7 @@ void _tmc_say_sgt(const TMC_AxisEnum axis, const int8_t sgt) {
   template <typename TMC>
   static void tmc_status(TMC &st, const TMC_AxisEnum axis, const TMC_debug_enum i, const float spmm) {
     SERIAL_ECHO('\t');
-    switch(i) {
+    switch (i) {
       case TMC_CODES: _tmc_say_axis(axis); break;
       case TMC_ENABLED: serialprintPGM(st.isEnabled() ? PSTR("true") : PSTR("false")); break;
       case TMC_CURRENT: SERIAL_ECHO(st.getCurrent()); break;
@@ -401,7 +401,7 @@ void _tmc_say_sgt(const TMC_AxisEnum axis, const int8_t sgt) {
   template <typename TMC>
   static void tmc_parse_drv_status(TMC &st, const TMC_AxisEnum axis, const TMC_drv_status_enum i) {
     SERIAL_CHAR('\t');
-    switch(i) {
+    switch (i) {
       case TMC_DRV_CODES:     _tmc_say_axis(axis);  break;
       case TMC_STST:          if (st.stst())         SERIAL_CHAR('X'); break;
       case TMC_OLB:           if (st.olb())          SERIAL_CHAR('X'); break;

Marlin/src/lcd/dogm/u8g_dev_ssd1306_sh1106_128x64_I2C.cpp

@@ -20,42 +20,38 @@
  *
  */
 
-
-/*
-
-  u8g_dev_ssd1306_128x64.c
-
-  Universal 8bit Graphics Library
-
-  Copyright (c) 2011, olikraus@gmail.com
-  All rights reserved.
-
-  Redistribution and use in source and binary forms, with or without modification,
-  are permitted provided that the following conditions are met:
-
-  * Redistributions of source code must retain the above copyright notice, this list
-    of conditions and the following disclaimer.
-
-  * Redistributions in binary form must reproduce the above copyright notice, this
-    list of conditions and the following disclaimer in the documentation and/or other
-    materials provided with the distribution.
-
-  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
-  CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
-  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
-  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
-  STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
-  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-*/
+/**
+ * Based on u8g_dev_ssd1306_128x64.c
+ *
+ * Universal 8bit Graphics Library
+ *
+ * Copyright (c) 2015, olikraus@gmail.com
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ *  * Redistributions of source code must retain the above copyright notice, this list
+ *    of conditions and the following disclaimer.
+ *
+ *  * Redistributions in binary form must reproduce the above copyright notice, this
+ *    list of conditions and the following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
 
 /**
  * These routines are meant for two wire I2C interfaces.
@@ -85,43 +81,38 @@ uint8_t u8g_WriteEscSeqP_2_wire(u8g_t *u8g, u8g_dev_t *dev, const uint8_t *esc_s
 // The sh1106 is compatible to the ssd1306, but is 132x64. 128x64 display area is centered within
 // the 132x64.
 
-
 static const uint8_t u8g_dev_sh1106_128x64_data_start_2_wire[] PROGMEM = {
-  0x010,    // set upper 4 bit of the col adr to 0
-  0x002,    // set lower 4 bit of the col adr to 2 (centered display with ssd1306)
-  U8G_ESC_END                // end of sequence
+  0x010,          // set upper 4 bit of the col adr to 0
+  0x002,          // set lower 4 bit of the col adr to 2 (centered display with ssd1306)
+  U8G_ESC_END     // end of sequence
 };
 
-
 static const uint8_t u8g_dev_sh1106_128x64_init_seq_2_wire[] PROGMEM = {
-  U8G_ESC_ADR(0),  // initiate command mode
-  0x0ae,        /* display off, sleep mode */
-  0x0a8, 0x03f,   /* mux ratio */
-  0x0d3, 0x00,    /* display offset */
-  0x040,        /* start line */
-  0x0a1,        /* segment remap a0/a1*/
-  0x0c8,        /* c0: scan dir normal, c8: reverse */
-  0x0da, 0x012,   /* com pin HW config, sequential com pin config (bit 4), disable left/right remap (bit 5) */
-  0x081, 0x0cf,   /* [2] set contrast control */
-  0x020, 0x002,   /* 2012-05-27: page addressing mode */
-  0x21, 2, 0x81,   // set column range from 0 through 131
-  0x22, 0, 7,   // set page range from 0 through 7
-  0x0d9, 0x0f1,   /* [2] pre-charge period 0x022/f1*/
-  0x0db, 0x040,   /* vcomh deselect level */
-  0x0a4,        /* output ram to display */
-  0x0a6,        /* none inverted normal display mode */
-  0x0d5, 0x080,   /* clock divide ratio (0x00=1) and oscillator frequency (0x8) */
-  0x08d, 0x014,   /* [2] charge pump setting (p62): 0x014 enable, 0x010 disable */
-  0x02e,        /* 2012-05-27: Deactivate scroll */
-  0x0af,        /* display on */
-  U8G_ESC_END                /* end of sequence */
+  U8G_ESC_ADR(0), // initiate command mode
+  0x0AE,          // display off, sleep mode
+  0x0A8, 0x03F,   // mux ratio
+  0x0D3, 0x00,    // display offset
+  0x040,          // start line
+  0x0A1,          // segment remap a0/a1
+  0x0C8,          // c0: scan dir normal, c8: reverse
+  0x0DA, 0x012,   // com pin HW config, sequential com pin config (bit 4), disable left/right remap (bit 5)
+  0x081, 0x0CF,   // [2] set contrast control
+  0x020, 0x002,   // 2012-05-27: page addressing mode
+  0x21, 2, 0x81,  // set column range from 0 through 131
+  0x22, 0, 7,     // set page range from 0 through 7
+  0x0D9, 0x0F1,   // [2] pre-charge period 0x022/f1
+  0x0DB, 0x040,   // vcomh deselect level
+  0x0A4,          // output ram to display
+  0x0A6,          // none inverted normal display mode
+  0x0D5, 0x080,   // clock divide ratio (0x00=1) and oscillator frequency (0x8)
+  0x08D, 0x014,   // [2] charge pump setting (p62): 0x014 enable, 0x010 disable
+  0x02E,          // 2012-05-27: Deactivate scroll
+  0x0AF,          // display on
+  U8G_ESC_END     // end of sequence
 };
 
-
-uint8_t u8g_dev_sh1106_128x64_2x_2_wire_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
-{
-  switch(msg)
-  {
+uint8_t u8g_dev_sh1106_128x64_2x_2_wire_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg) {
+  switch(msg) {
     case U8G_DEV_MSG_INIT:
       u8g_InitCom(u8g, dev, U8G_SPI_CLK_CYCLE_300NS);
       u8g_WriteEscSeqP_2_wire(u8g, dev, u8g_dev_sh1106_128x64_init_seq_2_wire);
@@ -152,7 +143,6 @@ uint8_t u8g_dev_sh1106_128x64_2x_2_wire_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t m
   return u8g_dev_pb16v1_base_fn(u8g, dev, msg, arg);
 }
 
-
 uint8_t u8g_dev_sh1106_128x64_2x_i2c_2_wire_buf[WIDTH*2] U8G_NOCOMMON ;
 u8g_pb_t u8g_dev_sh1106_128x64_2x_i2c_2_wire_pb = { {16, HEIGHT, 0, 0, 0},  WIDTH, u8g_dev_sh1106_128x64_2x_i2c_2_wire_buf};
 u8g_dev_t u8g_dev_sh1106_128x64_2x_i2c_2_wire = { u8g_dev_sh1106_128x64_2x_2_wire_fn, &u8g_dev_sh1106_128x64_2x_i2c_2_wire_pb, U8G_COM_SSD_I2C_HAL };
@@ -160,41 +150,37 @@ u8g_dev_t u8g_dev_sh1106_128x64_2x_i2c_2_wire = { u8g_dev_sh1106_128x64_2x_2_wir
 /////////////////////////////////////////////////////////////////////////////////////////////
 
 static const uint8_t u8g_dev_ssd1306_128x64_data_start_2_wire[] PROGMEM = {
-  0x010,    // set upper 4 bit of the col adr to 0
-  0x000,    // set lower 4 bit of the col adr to 0
-  U8G_ESC_END                // end of sequence
+  0x010,          // set upper 4 bit of the col adr to 0
+  0x000,          // set lower 4 bit of the col adr to 0
+  U8G_ESC_END     // end of sequence
 };
 
-
 static const uint8_t u8g_dev_ssd1306_128x64_init_seq_2_wire[] PROGMEM = {
-  U8G_ESC_ADR(0),  // initiate command mode
-  0x0ae,        /* display off, sleep mode */
-  0x0a8, 0x03f,   /* mux ratio */
-  0x0d3, 0x00,    /* display offset */
-  0x040,        /* start line */
-  0x0a1,        /* segment remap a0/a1*/
-  0x0c8,        /* c0: scan dir normal, c8: reverse */
-  0x0da, 0x012,   /* com pin HW config, sequential com pin config (bit 4), disable left/right remap (bit 5) */
-  0x081, 0x0cf,   /* [2] set contrast control */
-  0x020, 0x002,   /* 2012-05-27: page addressing mode */
-  0x21, 0, 0x7f,   // set column range from 0 through 127
-  0x22, 0, 7,   // set page range from 0 through 7
-  0x0d9, 0x0f1,   /* [2] pre-charge period 0x022/f1*/
-  0x0db, 0x040,   /* vcomh deselect level */
-  0x0a4,        /* output ram to display */
-  0x0a6,        /* none inverted normal display mode */
-  0x0d5, 0x080,   /* clock divide ratio (0x00=1) and oscillator frequency (0x8) */
-  0x08d, 0x014,   /* [2] charge pump setting (p62): 0x014 enable, 0x010 disable */
-  0x02e,        /* 2012-05-27: Deactivate scroll */
-  0x0af,        /* display on */
-  U8G_ESC_END                /* end of sequence */
+  U8G_ESC_ADR(0), // initiate command mode
+  0x0AE,          // display off, sleep mode
+  0x0A8, 0x03F,   // mux ratio
+  0x0D3, 0x00,    // display offset
+  0x040,          // start line
+  0x0A1,          // segment remap a0/a1
+  0x0C8,          // c0: scan dir normal, c8: reverse
+  0x0DA, 0x012,   // com pin HW config, sequential com pin config (bit 4), disable left/right remap (bit 5)
+  0x081, 0x0CF,   // [2] set contrast control
+  0x020, 0x002,   // 2012-05-27: page addressing mode
+  0x21, 0, 0x7F,  // set column range from 0 through 127
+  0x22, 0, 7,     // set page range from 0 through 7
+  0x0D9, 0x0F1,   // [2] pre-charge period 0x022/f1
+  0x0DB, 0x040,   // vcomh deselect level
+  0x0A4,          // output ram to display
+  0x0A6,          // none inverted normal display mode
+  0x0D5, 0x080,   // clock divide ratio (0x00=1) and oscillator frequency (0x8)
+  0x08D, 0x014,   // [2] charge pump setting (p62): 0x014 enable, 0x010 disable
+  0x02E,          // 2012-05-27: Deactivate scroll
+  0x0AF,          // display on
+  U8G_ESC_END     // end of sequence
 };
 
-
-uint8_t u8g_dev_ssd1306_128x64_2x_2_wire_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
-{
-  switch(msg)
-  {
+uint8_t u8g_dev_ssd1306_128x64_2x_2_wire_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg) {
+  switch(msg) {
     case U8G_DEV_MSG_INIT:
       u8g_InitCom(u8g, dev, U8G_SPI_CLK_CYCLE_300NS);
       u8g_WriteEscSeqP_2_wire(u8g, dev, u8g_dev_ssd1306_128x64_init_seq_2_wire);
@@ -238,54 +224,42 @@ u8g_dev_t u8g_dev_ssd1306_128x64_2x_i2c_2_wire = { u8g_dev_ssd1306_128x64_2x_2_w
 
 #define I2C_CMD_MODE    0x080
 
-uint8_t u8g_WriteEscSeqP_2_wire(u8g_t *u8g, u8g_dev_t *dev, const uint8_t *esc_seq)
-{
+uint8_t u8g_WriteEscSeqP_2_wire(u8g_t *u8g, u8g_dev_t *dev, const uint8_t *esc_seq) {
   uint8_t is_escape = 0;
   uint8_t value;
-  for(;;)
-  {
+  for(;;) {
     value = u8g_pgm_read(esc_seq);
-    if ( is_escape == 0 )
-    {
-      if ( value != 255 )
-      {
-        if ( u8g_WriteByte(u8g, dev, value) == 0 )
+    if (is_escape == 0) {
+      if (value != 255) {
+        if (u8g_WriteByte(u8g, dev, value) == 0 )
           return 0;
-        if ( u8g_WriteByte(u8g, dev, I2C_CMD_MODE) == 0 )
+        if (u8g_WriteByte(u8g, dev, I2C_CMD_MODE) == 0 )
           return 0;
       }
-      else
-      {
+      else {
         is_escape = 1;
       }
     }
-    else
-    {
-      if ( value == 255 )
-      {
-        if ( u8g_WriteByte(u8g, dev, value) == 0 )
+    else {
+      if (value == 255) {
+        if (u8g_WriteByte(u8g, dev, value) == 0 )
           return 0;
-        if ( u8g_WriteByte(u8g, dev, I2C_CMD_MODE) == 0 )
+        if (u8g_WriteByte(u8g, dev, I2C_CMD_MODE) == 0 )
           return 0;
       }
-      else if ( value == 254 )
-      {
+      else if (value == 254) {
         break;
       }
-      else if ( value >= 0x0f0 )
-      {
+      else if (value >= 0x0f0) {
         /* not yet used, do nothing */
       }
-      else if ( value >= 0xe0  )
-      {
+      else if (value >= 0xe0 ) {
         u8g_SetAddress(u8g, dev, value & 0x0f);
       }
-      else if ( value >= 0xd0 )
-      {
+      else if (value >= 0xd0) {
         u8g_SetChipSelect(u8g, dev, value & 0x0f);
       }
-      else if ( value >= 0xc0 )
-      {
+      else if (value >= 0xc0) {
         u8g_SetResetLow(u8g, dev);
         value &= 0x0f;
         value <<= 4;
@@ -294,13 +268,10 @@ uint8_t u8g_WriteEscSeqP_2_wire(u8g_t *u8g, u8g_dev_t *dev, const uint8_t *esc_s
         u8g_SetResetHigh(u8g, dev);
         u8g_Delay(value);
       }
-      else if ( value >= 0xbe )
-      {
-  /* not yet implemented */
+      else if (value >= 0xbe) {                       /* not yet implemented */
         /* u8g_SetVCC(u8g, dev, value & 0x01); */
       }
-      else if ( value <= 127 )
-      {
+      else if (value <= 127) {
         u8g_Delay(value);
       }
       is_escape = 0;

Marlin/src/lcd/dogm/u8g_dev_st7565_64128n_HAL.cpp

@@ -20,42 +20,38 @@
  *
  */
 
-
-/*
-
-  u8g_dev_st7565_64128n_HAL.c (Displaytech)
-
-  Universal 8bit Graphics Library
-
-  Copyright (c) 2011, olikraus@gmail.com
-  All rights reserved.
-
-  Redistribution and use in source and binary forms, with or without modification,
-  are permitted provided that the following conditions are met:
-
-  * Redistributions of source code must retain the above copyright notice, this list
-    of conditions and the following disclaimer.
-
-  * Redistributions in binary form must reproduce the above copyright notice, this
-    list of conditions and the following disclaimer in the documentation and/or other
-    materials provided with the distribution.
-
-  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
-  CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
-  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
-  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
-  STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
-  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-*/
+/**
+ * u8g_dev_st7565_64128n_HAL.c (Displaytech)
+ *
+ * Universal 8bit Graphics Library
+ *
+ * Copyright (c) 2011, olikraus@gmail.com
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ *  * Redistributions of source code must retain the above copyright notice, this list
+ *    of conditions and the following disclaimer.
+ *
+ *  * Redistributions in binary form must reproduce the above copyright notice, this
+ *    list of conditions and the following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
 
 #include "../../inc/MarlinConfig.h"
 
@@ -71,78 +67,76 @@
 
 /* init sequence from https://github.com/adafruit/ST7565-LCD/blob/master/ST7565/ST7565.cpp */
 static const uint8_t u8g_dev_st7565_64128n_HAL_init_seq[] PROGMEM = {
-   U8G_ESC_CS(0),            /* disable chip */
-    U8G_ESC_ADR(0),          /* instruction mode */
-    U8G_ESC_CS(1),           /* enable chip */
-    U8G_ESC_RST(15),         /* do reset low pulse with (15*16)+2 milliseconds (=maximum delay)*/
+   U8G_ESC_CS(0),       // disable chip
+    U8G_ESC_ADR(0),     // instruction mode
+    U8G_ESC_CS(1),      // enable chip
+    U8G_ESC_RST(15),    // do reset low pulse with (15*16)+2 milliseconds (=maximum delay)*/
 
-    0x0A2,             /* 0x0a2: LCD bias 1/9 (according to Displaytech 64128N datasheet) */
-    0x0A0,             /* Normal ADC Select (according to Displaytech 64128N datasheet) */
+    0x0A2,              // 0x0a2: LCD bias 1/9 (according to Displaytech 64128N datasheet)
+    0x0A0,              // Normal ADC Select (according to Displaytech 64128N datasheet)
 
-    0x0c8,                   /* common output mode: set scan direction normal operation/SHL Select, 0x0c0 --> SHL = 0, normal, 0x0c8 --> SHL = 1 */
-    0x040,               /* Display start line for Displaytech 64128N */
+    0x0c8,              // common output mode: set scan direction normal operation/SHL Select, 0x0c0 --> SHL = 0, normal, 0x0c8 --> SHL = 1
+    0x040,              // Display start line for Displaytech 64128N
 
-    0x028 | 0x04,            /* power control: turn on voltage converter */
-    U8G_ESC_DLY(50),         /* delay 50 ms */
+    0x028 | 0x04,       // power control: turn on voltage converter
+    U8G_ESC_DLY(50),    // delay 50 ms
 
-    0x028 | 0x06,            /* power control: turn on voltage regulator */
-    U8G_ESC_DLY(50),         /* delay 50 ms */
+    0x028 | 0x06,       // power control: turn on voltage regulator
+    U8G_ESC_DLY(50),    // delay 50 ms
 
-    0x028 | 0x07,            /* power control: turn on voltage follower */
-    U8G_ESC_DLY(50),         /* delay 50 ms */
+    0x028 | 0x07,       // power control: turn on voltage follower
+    U8G_ESC_DLY(50),    // delay 50 ms
 
-    0x010,                   /* Set V0 voltage resistor ratio. Setting for controlling brightness of Displaytech 64128N */
+    0x010,              // Set V0 voltage resistor ratio. Setting for controlling brightness of Displaytech 64128N
 
-    0x0a6,                   /* display normal, bit val 0: LCD pixel off. */
+    0x0a6,              // display normal, bit val 0: LCD pixel off.
 
-    0x081,                   /* set contrast */
-    0x01e,                 /* Contrast value. Setting for controlling brightness of Displaytech 64128N */
+    0x081,              // set contrast
+    0x01e,              // Contrast value. Setting for controlling brightness of Displaytech 64128N
 
 
-    0x0af,               /* display on */
+    0x0af,              // display on
 
-    U8G_ESC_DLY(100),        /* delay 100 ms */
-    0x0a5,               /* display all points, ST7565 */
-    U8G_ESC_DLY(100),        /* delay 100 ms */
-    U8G_ESC_DLY(100),        /* delay 100 ms */
-    0x0a4,               /* normal display */
-    U8G_ESC_CS(0),           /* disable chip */
-    U8G_ESC_END              /* end of sequence */
+    U8G_ESC_DLY(100),   // delay 100 ms
+    0x0a5,              // display all points, ST7565
+    U8G_ESC_DLY(100),   // delay 100 ms
+    U8G_ESC_DLY(100),   // delay 100 ms
+    0x0a4,              // normal display
+    U8G_ESC_CS(0),      // disable chip
+    U8G_ESC_END         // end of sequence
 };
 
 static const uint8_t u8g_dev_st7565_64128n_HAL_data_start[] PROGMEM = {
-  U8G_ESC_ADR(0),           /* instruction mode */
-  U8G_ESC_CS(1),            /* enable chip */
-  0x010,                  /* set upper 4 bit of the col adr to 0x10 */
-  0x000,                /* set lower 4 bit of the col adr to 0x00. Changed for DisplayTech 64128N */
-  U8G_ESC_END               /* end of sequence */
+  U8G_ESC_ADR(0),       // instruction mode
+  U8G_ESC_CS(1),        // enable chip
+  0x010,                // set upper 4 bit of the col adr to 0x10
+  0x000,                // set lower 4 bit of the col adr to 0x00. Changed for DisplayTech 64128N
+  U8G_ESC_END           // end of sequence
 };
 
 static const uint8_t u8g_dev_st7565_64128n_HAL_sleep_on[] PROGMEM = {
-  U8G_ESC_ADR(0),           /* instruction mode */
-  U8G_ESC_CS(1),             /* enable chip */
-  0x0ac,    /* static indicator off */
-  0x000,                    /* indicator register set (not sure if this is required) */
-  0x0ae,    /* display off */
-  0x0a5,    /* all points on */
-  U8G_ESC_CS(0),             /* disable chip, bugfix 12 nov 2014 */
-  U8G_ESC_END                /* end of sequence */
+  U8G_ESC_ADR(0),       // instruction mode
+  U8G_ESC_CS(1),        // enable chip
+  0x0ac,                // static indicator off
+  0x000,                // indicator register set (not sure if this is required)
+  0x0ae,                // display off
+  0x0a5,                // all points on
+  U8G_ESC_CS(0),        // disable chip, bugfix 12 nov 2014
+  U8G_ESC_END           // end of sequence
   };
 
 static const uint8_t u8g_dev_st7565_64128n_HAL_sleep_off[] PROGMEM = {
-  U8G_ESC_ADR(0),           /* instruction mode */
-  U8G_ESC_CS(1),             /* enable chip */
-  0x0a4,    /* all points off */
-  0x0af,    /* display on */
-  U8G_ESC_DLY(50),       /* delay 50 ms */
-  U8G_ESC_CS(0),             /* disable chip, bugfix 12 nov 2014 */
-  U8G_ESC_END                /* end of sequence */
+  U8G_ESC_ADR(0),       // instruction mode
+  U8G_ESC_CS(1),        // enable chip
+  0x0a4,                // all points off
+  0x0af,                // display on
+  U8G_ESC_DLY(50),      // delay 50 ms
+  U8G_ESC_CS(0),        // disable chip, bugfix 12 nov 2014
+  U8G_ESC_END           // end of sequence
 };
 
-uint8_t u8g_dev_st7565_64128n_HAL_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
-{
-  switch(msg)
-  {
+uint8_t u8g_dev_st7565_64128n_HAL_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg) {
+  switch(msg) {
     case U8G_DEV_MSG_INIT:
       u8g_InitCom(u8g, dev, U8G_SPI_CLK_CYCLE_400NS);
       u8g_WriteEscSeqP(u8g, dev, u8g_dev_st7565_64128n_HAL_init_seq);
@@ -176,10 +170,8 @@ uint8_t u8g_dev_st7565_64128n_HAL_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, vo
   return u8g_dev_pb8v1_base_fn(u8g, dev, msg, arg);
 }
 
-uint8_t u8g_dev_st7565_64128n_HAL_2x_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
-{
-  switch(msg)
-  {
+uint8_t u8g_dev_st7565_64128n_HAL_2x_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg) {
+  switch(msg) {
     case U8G_DEV_MSG_INIT:
       u8g_InitCom(u8g, dev, U8G_SPI_CLK_CYCLE_400NS);
       u8g_WriteEscSeqP(u8g, dev, u8g_dev_st7565_64128n_HAL_init_seq);

Marlin/src/lcd/dogm/u8g_dev_st7920_128x64_HAL.cpp

@@ -20,41 +20,38 @@
  *
  */
 
-/*
-
-  u8g_dev_st7920_128x64_HAL.c
-
-  Universal 8bit Graphics Library
-
-  Copyright (c) 2011, olikraus@gmail.com
-  All rights reserved.
-
-  Redistribution and use in source and binary forms, with or without modification,
-  are permitted provided that the following conditions are met:
-
-  * Redistributions of source code must retain the above copyright notice, this list
-    of conditions and the following disclaimer.
-
-  * Redistributions in binary form must reproduce the above copyright notice, this
-    list of conditions and the following disclaimer in the documentation and/or other
-    materials provided with the distribution.
-
-  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
-  CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
-  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
-  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
-  STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
-  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-*/
+/**
+ * u8g_dev_st7920_128x64_HAL.c
+ *
+ * Universal 8bit Graphics Library
+ *
+ * Copyright (c) 2011, olikraus@gmail.com
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ *  * Redistributions of source code must retain the above copyright notice, this list
+ *    of conditions and the following disclaimer.
+ *
+ *  * Redistributions in binary form must reproduce the above copyright notice, this
+ *    list of conditions and the following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
 
 #include "../../inc/MarlinConfig.h"
 
@@ -68,25 +65,24 @@
 #define HEIGHT 64
 #define PAGE_HEIGHT 8
 
-
 /* init sequence from https://github.com/adafruit/ST7565-LCD/blob/master/ST7565/ST7565.cpp */
 static const uint8_t u8g_dev_st7920_128x64_HAL_init_seq[] PROGMEM = {
-  U8G_ESC_CS(0),             /* disable chip */
-  U8G_ESC_ADR(0),           /* instruction mode */
-  U8G_ESC_RST(15),           /* do reset low pulse with (15*16)+2 milliseconds (=maximum delay)*/
-  U8G_ESC_DLY(100),         /* 8 Dez 2012: additional delay 100 ms because of reset*/
-  U8G_ESC_CS(1),             /* enable chip */
-  U8G_ESC_DLY(50),         /* delay 50 ms */
-
-  0x038,                                /* 8 Bit interface (DL=1), basic instruction set (RE=0) */
-  0x00c,                                /* display on, cursor & blink off; 0x08: all off */
-  0x006,                                /* Entry mode: Cursor move to right ,DDRAM address counter (AC) plus 1, no shift */
-  0x002,                                /* disable scroll, enable CGRAM adress */
-  0x001,                                /* clear RAM, needs 1.6 ms */
-  U8G_ESC_DLY(100),               /* delay 100 ms */
-
-  U8G_ESC_CS(0),             /* disable chip */
-  U8G_ESC_END                /* end of sequence */
+  U8G_ESC_CS(0),      // disable chip
+  U8G_ESC_ADR(0),     // instruction mode
+  U8G_ESC_RST(15),    // do reset low pulse with (15*16)+2 milliseconds (=maximum delay)
+  U8G_ESC_DLY(100),   // 8 Dez 2012: additional delay 100 ms because of reset
+  U8G_ESC_CS(1),      // enable chip
+  U8G_ESC_DLY(50),    // delay 50 ms
+
+  0x038,              // 8 Bit interface (DL=1), basic instruction set (RE=0)
+  0x00c,              // display on, cursor & blink off; 0x08: all off
+  0x006,              // Entry mode: Cursor move to right ,DDRAM address counter (AC) plus 1, no shift
+  0x002,              // disable scroll, enable CGRAM adress
+  0x001,              // clear RAM, needs 1.6 ms
+  U8G_ESC_DLY(100),   // delay 100 ms
+
+  U8G_ESC_CS(0),      // disable chip
+  U8G_ESC_END         // end of sequence
 };
 
 void clear_graphics_DRAM(u8g_t *u8g, u8g_dev_t *dev){
@@ -107,13 +103,10 @@ void clear_graphics_DRAM(u8g_t *u8g, u8g_dev_t *dev){
   u8g_WriteByte(u8g, dev, 0x0C); //display on, cursor+blink off
 
   u8g_SetChipSelect(u8g, dev, 0);
-
 }
 
-uint8_t u8g_dev_st7920_128x64_HAL_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
-{
-  switch(msg)
-  {
+uint8_t u8g_dev_st7920_128x64_HAL_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg) {
+  switch(msg) {
     case U8G_DEV_MSG_INIT:
       u8g_InitCom(u8g, dev, U8G_SPI_CLK_CYCLE_400NS);
       u8g_WriteEscSeqP(u8g, dev, u8g_dev_st7920_128x64_HAL_init_seq);
@@ -122,46 +115,41 @@ uint8_t u8g_dev_st7920_128x64_HAL_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, vo
     case U8G_DEV_MSG_STOP:
       break;
     case U8G_DEV_MSG_PAGE_NEXT: {
-        uint8_t y, i;
-        uint8_t *ptr;
-        u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
-
+      uint8_t y, i;
+      uint8_t *ptr;
+      u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
+
+      u8g_SetAddress(u8g, dev, 0);           /* cmd mode */
+      u8g_SetChipSelect(u8g, dev, 1);
+      y = pb->p.page_y0;
+      ptr = (uint8_t *)pb->buf;
+      for (i = 0; i < 8; i ++) {
         u8g_SetAddress(u8g, dev, 0);           /* cmd mode */
-        u8g_SetChipSelect(u8g, dev, 1);
-        y = pb->p.page_y0;
-        ptr = (uint8_t *)pb->buf;
-        for( i = 0; i < 8; i ++ )
-        {
-          u8g_SetAddress(u8g, dev, 0);           /* cmd mode */
-          u8g_WriteByte(u8g, dev, 0x03e );      /* enable extended mode */
-
-          if ( y < 32 )
-          {
-                  u8g_WriteByte(u8g, dev, 0x080 | y );      /* y pos  */
-                  u8g_WriteByte(u8g, dev, 0x080  );      /* set x pos to 0*/
-          }
-          else
-          {
-                  u8g_WriteByte(u8g, dev, 0x080 | (y-32) );      /* y pos  */
-                  u8g_WriteByte(u8g, dev, 0x080 | 8);      /* set x pos to 64*/
-          }
-
-          u8g_SetAddress(u8g, dev, 1);                  /* data mode */
-          u8g_WriteSequence(u8g, dev, WIDTH/8, ptr);
-          ptr += WIDTH/8;
-          y++;
+        u8g_WriteByte(u8g, dev, 0x03e );      /* enable extended mode */
+
+        if (y < 32) {
+          u8g_WriteByte(u8g, dev, 0x080 | y );      /* y pos  */
+          u8g_WriteByte(u8g, dev, 0x080  );      /* set x pos to 0*/
+        }
+        else {
+          u8g_WriteByte(u8g, dev, 0x080 | (y-32) );      /* y pos  */
+          u8g_WriteByte(u8g, dev, 0x080 | 8);      /* set x pos to 64*/
         }
-        u8g_SetChipSelect(u8g, dev, 0);
+
+        u8g_SetAddress(u8g, dev, 1);                  /* data mode */
+        u8g_WriteSequence(u8g, dev, WIDTH/8, ptr);
+        ptr += WIDTH/8;
+        y++;
       }
-      break;
+      u8g_SetChipSelect(u8g, dev, 0);
+    }
+    break;
   }
   return u8g_dev_pb8h1_base_fn(u8g, dev, msg, arg);
 }
 
-uint8_t u8g_dev_st7920_128x64_HAL_4x_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
-{
-  switch(msg)
-  {
+uint8_t u8g_dev_st7920_128x64_HAL_4x_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg) {
+  switch(msg) {
     case U8G_DEV_MSG_INIT:
       u8g_InitCom(u8g, dev, U8G_SPI_CLK_CYCLE_400NS);
       u8g_WriteEscSeqP(u8g, dev, u8g_dev_st7920_128x64_HAL_init_seq);
@@ -172,38 +160,35 @@ uint8_t u8g_dev_st7920_128x64_HAL_4x_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg,
       break;
 
     case U8G_DEV_MSG_PAGE_NEXT: {
-        uint8_t y, i;
-        uint8_t *ptr;
-        u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
-
+      uint8_t y, i;
+      uint8_t *ptr;
+      u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
+
+      u8g_SetAddress(u8g, dev, 0);           /* cmd mode */
+      u8g_SetChipSelect(u8g, dev, 1);
+      y = pb->p.page_y0;
+      ptr = (uint8_t *)pb->buf;
+      for (i = 0; i < 32; i ++) {
         u8g_SetAddress(u8g, dev, 0);           /* cmd mode */
-        u8g_SetChipSelect(u8g, dev, 1);
-        y = pb->p.page_y0;
-        ptr = (uint8_t *)pb->buf;
-        for( i = 0; i < 32; i ++ )
-        {
-          u8g_SetAddress(u8g, dev, 0);           /* cmd mode */
-          u8g_WriteByte(u8g, dev, 0x03e );      /* enable extended mode */
-
-          if ( y < 32 )
-          {
-                  u8g_WriteByte(u8g, dev, 0x080 | y );      /* y pos  */
-                  u8g_WriteByte(u8g, dev, 0x080  );      /* set x pos to 0*/
-          }
-          else
-          {
-                  u8g_WriteByte(u8g, dev, 0x080 | (y-32) );      /* y pos  */
-                  u8g_WriteByte(u8g, dev, 0x080 | 8);      /* set x pos to 64*/
-          }
-
-          u8g_SetAddress(u8g, dev, 1);                  /* data mode */
-          u8g_WriteSequence(u8g, dev, WIDTH/8, ptr);
-          ptr += WIDTH/8;
-          y++;
+        u8g_WriteByte(u8g, dev, 0x03e );      /* enable extended mode */
+
+        if (y < 32) {
+          u8g_WriteByte(u8g, dev, 0x080 | y );      /* y pos  */
+          u8g_WriteByte(u8g, dev, 0x080  );      /* set x pos to 0*/
         }
-        u8g_SetChipSelect(u8g, dev, 0);
+        else {
+          u8g_WriteByte(u8g, dev, 0x080 | (y-32) );      /* y pos  */
+          u8g_WriteByte(u8g, dev, 0x080 | 8);      /* set x pos to 64*/
+        }
+
+        u8g_SetAddress(u8g, dev, 1);                  /* data mode */
+        u8g_WriteSequence(u8g, dev, WIDTH/8, ptr);
+        ptr += WIDTH/8;
+        y++;
       }
-      break;
+      u8g_SetChipSelect(u8g, dev, 0);
+    }
+    break;
   }
   return u8g_dev_pb32h1_base_fn(u8g, dev, msg, arg);
 }
@@ -215,11 +200,9 @@ uint8_t u8g_dev_st7920_128x64_HAL_4x_buf[QWIDTH] U8G_NOCOMMON ;
 u8g_pb_t u8g_dev_st7920_128x64_HAL_4x_pb = { {32, HEIGHT, 0, 0, 0},  WIDTH, u8g_dev_st7920_128x64_HAL_4x_buf};
 u8g_dev_t u8g_dev_st7920_128x64_HAL_4x_sw_spi = { u8g_dev_st7920_128x64_HAL_4x_fn, &u8g_dev_st7920_128x64_HAL_4x_pb, U8G_COM_ST7920_HAL_SW_SPI };
 
-
 U8G_PB_DEV(u8g_dev_st7920_128x64_HAL_hw_spi, WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_st7920_128x64_HAL_fn, U8G_COM_ST7920_HAL_HW_SPI);
 u8g_dev_t u8g_dev_st7920_128x64_HAL_4x_hw_spi = { u8g_dev_st7920_128x64_HAL_4x_fn, &u8g_dev_st7920_128x64_HAL_4x_pb, U8G_COM_ST7920_HAL_HW_SPI };
 
-
 #if defined(U8G_HAL_LINKS) || defined(__SAM3X8E__)
   // Also use this device for HAL version of rrd class. This results in the same device being used
   // for the ST7920 for HAL systems no matter what is selected in ultralcd_impl_DOGM.h.