Library UcgLib added

src/Adafruit_BME280.cpp

@@ -15,8 +15,8 @@
   BSD license, all text above must be included in any redistribution
  ***************************************************************************/
 #include "Adafruit_BME280.h"
-
 #include "Arduino.h"
+
 #include <Wire.h>
 #include <SPI.h>
 

src/Adafruit_BMP280.cpp

@@ -13,11 +13,11 @@
   Written by Kevin Townsend for Adafruit Industries.
   BSD license, all text above must be included in any redistribution
  ***************************************************************************/
+#include "Adafruit_BMP280.h"
 #include "Arduino.h"
+
 #include <Wire.h>
 #include <SPI.h>
-#include "Adafruit_BMP280.h"
-
 
 /***************************************************************************
  PRIVATE FUNCTIONS

src/Adafruit_INA219.cpp

@@ -23,6 +23,7 @@
  * BSD license, all text here must be included in any redistribution.
  *
  */
+#include "Adafruit_INA219.h"
 
 #if ARDUINO >= 100
  #include "Arduino.h"
@@ -32,7 +33,7 @@
 
 #include <Wire.h>
 
-#include "Adafruit_INA219.h"
+
 
 /**************************************************************************/
 /*! 

src/OcsGraphics.h

@@ -3,7 +3,7 @@
 #define _OCSGRAPHICS_HH
 
 #include <Arduino.h>
-#include "src/Ucglib.h"
+#include "Ucglib.h"
 
 class OcsGraphics
 {

src/Ucglib.cpp

+/*
+
+  Ucglib.cpp
+
+  ucglib = universal color graphics library
+  ucglib = micro controller graphics library
+  
+  Universal uC Color Graphics Library
+  
+  Copyright (c) 2014, 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 s_t ource 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 <SPI.h>
+
+#include "Ucglib.h"
+
+/*=========================================================================*/
+/* 8 Bit SW SPI */
+
+#if  defined(__SAM3X8E__)
+//#elif defined(__SAM3X8E__)
+
+//#define setbit(pio, mask) PIO_Set( (pio), (mask) )
+//#define clrbit(pio, mask) PIO_Clear( (pio), (mask) )
+
+#define setbit(pio, mask) ((pio)->PIO_SODR = (mask))
+#define clrbit(pio, mask) ((pio)->PIO_CODR = (mask))
+
+static void ucg_nano_delay(void)
+{
+  volatile uint32_t i;
+  for( i = 0; i < 1; i++ )
+  {
+    __NOP;
+  }
+  //delayMicroseconds(1);
+}
+
+static void ucg_com_arduino_send_generic_SW_SPI(ucg_t *ucg, uint8_t data)
+{
+  uint32_t sda_pin = ucg->pin_list[UCG_PIN_SDA];
+  uint32_t scl_pin = ucg->pin_list[UCG_PIN_SCL];
+  Pio *sda_port = g_APinDescription[sda_pin].pPort;
+  Pio *scl_port = g_APinDescription[scl_pin].pPort;
+  uint8_t i = 8;
+  sda_pin = g_APinDescription[sda_pin].ulPin;
+  scl_pin = g_APinDescription[scl_pin].ulPin;
+
+  do
+  {
+    if ( data & 128 )
+    {
+      setbit( sda_port, sda_pin) ;
+    }
+    else
+    {
+      clrbit( sda_port, sda_pin) ;
+    }
+    //delayMicroseconds(1);
+    ucg_nano_delay();
+    setbit( scl_port, scl_pin);
+    //delayMicroseconds(1);
+    ucg_nano_delay();
+    i--;
+    clrbit( scl_port, scl_pin) ;
+    data <<= 1;
+  } while( i > 0 );
+  
+}
+
+#elif defined(__AVR__)
+
+uint8_t u8g_bitData, u8g_bitNotData;
+uint8_t u8g_bitClock, u8g_bitNotClock;
+volatile uint8_t *u8g_outData;
+volatile uint8_t *u8g_outClock;
+
+static void ucg_com_arduino_init_shift_out(uint8_t dataPin, uint8_t clockPin)
+{
+  u8g_outData = portOutputRegister(digitalPinToPort(dataPin));
+  u8g_outClock = portOutputRegister(digitalPinToPort(clockPin));
+  u8g_bitData = digitalPinToBitMask(dataPin);
+  u8g_bitClock = digitalPinToBitMask(clockPin);
+
+  u8g_bitNotClock = u8g_bitClock;
+  u8g_bitNotClock ^= 0x0ff;
+
+  u8g_bitNotData = u8g_bitData;
+  u8g_bitNotData ^= 0x0ff;
+}
+
+
+static void ucg_com_arduino_send_generic_SW_SPI(ucg_t *ucg, uint8_t val) UCG_NOINLINE;
+static void ucg_com_arduino_send_generic_SW_SPI(ucg_t *ucg, uint8_t val)
+{
+  uint8_t cnt = 8;
+  uint8_t bitData = u8g_bitData;
+  uint8_t bitNotData = u8g_bitNotData;
+  uint8_t bitClock = u8g_bitClock;
+  uint8_t bitNotClock = u8g_bitNotClock;
+  volatile uint8_t *outData = u8g_outData;
+  volatile uint8_t *outClock = u8g_outClock;
+  
+  UCG_ATOMIC_START();
+  do
+  {
+    if ( val & 128 )
+      *outData |= bitData;
+    else
+      *outData &= bitNotData;
+   
+    *outClock |= bitClock;
+    val <<= 1;
+    cnt--;
+    *outClock &= bitNotClock;
+  } while( cnt != 0 );
+  UCG_ATOMIC_END();
+  
+}
+
+#else
+
+static void ucg_com_arduino_send_generic_SW_SPI(ucg_t *ucg, uint8_t data)
+{
+  uint8_t i = 8;
+  
+  do
+  {
+    if ( data & 128 )
+    {
+      digitalWrite(ucg->pin_list[UCG_PIN_SDA], 1 );
+    }
+    else
+    {
+      digitalWrite(ucg->pin_list[UCG_PIN_SDA], 0 );
+    }
+    // no delay required, also Arduino Due is slow enough
+    // delay required for ESP32
+    delayMicroseconds(1);
+    digitalWrite(ucg->pin_list[UCG_PIN_SCL], 1 );
+    delayMicroseconds(1);
+    i--;
+    digitalWrite(ucg->pin_list[UCG_PIN_SCL], 0 );
+    delayMicroseconds(1);
+    data <<= 1;
+  } while( i > 0 );
+  
+}
+
+#endif
+
+static int16_t ucg_com_arduino_generic_SW_SPI(ucg_t *ucg, int16_t msg, uint16_t arg, uint8_t *data)
+{
+
+  switch(msg)
+  {
+    case UCG_COM_MSG_POWER_UP:
+      /* "data" is a pointer to ucg_com_info_t structure with the following information: */
+      /*	((ucg_com_info_t *)data)->serial_clk_speed value in nanoseconds */
+      /*	((ucg_com_info_t *)data)->parallel_clk_speed value in nanoseconds */
+
+#ifdef __AVR__
+      ucg_com_arduino_init_shift_out(ucg->pin_list[UCG_PIN_SDA], ucg->pin_list[UCG_PIN_SCL]);
+#endif
+    
+      /* setup pins */
+      pinMode(ucg->pin_list[UCG_PIN_CD], OUTPUT);
+      pinMode(ucg->pin_list[UCG_PIN_SDA], OUTPUT);
+      pinMode(ucg->pin_list[UCG_PIN_SCL], OUTPUT);
+      if ( ucg->pin_list[UCG_PIN_CS] != UCG_PIN_VAL_NONE )
+	pinMode(ucg->pin_list[UCG_PIN_CS], OUTPUT);
+      if ( ucg->pin_list[UCG_PIN_RST] != UCG_PIN_VAL_NONE )
+	pinMode(ucg->pin_list[UCG_PIN_RST], OUTPUT);
+
+      digitalWrite(ucg->pin_list[UCG_PIN_CD], 1);
+      digitalWrite(ucg->pin_list[UCG_PIN_SDA], 1);
+      digitalWrite(ucg->pin_list[UCG_PIN_SCL], 0);
+      if ( ucg->pin_list[UCG_PIN_CS] != UCG_PIN_VAL_NONE )
+	digitalWrite(ucg->pin_list[UCG_PIN_CS], 1);
+      if ( ucg->pin_list[UCG_PIN_RST] != UCG_PIN_VAL_NONE )
+	digitalWrite(ucg->pin_list[UCG_PIN_RST], 1);
+
+      break;
+    case UCG_COM_MSG_POWER_DOWN:
+      break;
+    case UCG_COM_MSG_DELAY:
+      delayMicroseconds(arg);
+      break;
+    case UCG_COM_MSG_CHANGE_RESET_LINE:
+      if ( ucg->pin_list[UCG_PIN_RST] != UCG_PIN_VAL_NONE )
+	digitalWrite(ucg->pin_list[UCG_PIN_RST], arg);
+      break;
+    case UCG_COM_MSG_CHANGE_CS_LINE:
+#ifdef __AVR__
+      ucg_com_arduino_init_shift_out(ucg->pin_list[UCG_PIN_SDA], ucg->pin_list[UCG_PIN_SCL]);
+#endif    
+      if ( ucg->pin_list[UCG_PIN_CS] != UCG_PIN_VAL_NONE )
+	digitalWrite(ucg->pin_list[UCG_PIN_CS], arg);      
+      break;
+    case UCG_COM_MSG_CHANGE_CD_LINE:
+      digitalWrite(ucg->pin_list[UCG_PIN_CD], arg);
+      break;
+    case UCG_COM_MSG_SEND_BYTE:
+      ucg_com_arduino_send_generic_SW_SPI(ucg, arg);
+      break;
+    case UCG_COM_MSG_REPEAT_1_BYTE:
+      while( arg > 0 ) {
+	ucg_com_arduino_send_generic_SW_SPI(ucg, data[0]);
+	arg--;
+      }
+      break;
+    case UCG_COM_MSG_REPEAT_2_BYTES:
+      while( arg > 0 ) {
+	ucg_com_arduino_send_generic_SW_SPI(ucg, data[0]);
+	ucg_com_arduino_send_generic_SW_SPI(ucg, data[1]);
+	arg--;
+      }
+      break;
+    case UCG_COM_MSG_REPEAT_3_BYTES:
+      while( arg > 0 ) {
+	ucg_com_arduino_send_generic_SW_SPI(ucg, data[0]);
+	ucg_com_arduino_send_generic_SW_SPI(ucg, data[1]);
+	ucg_com_arduino_send_generic_SW_SPI(ucg, data[2]);
+	arg--;
+      }
+      break;
+    case UCG_COM_MSG_SEND_STR:
+      while( arg > 0 ) {
+	ucg_com_arduino_send_generic_SW_SPI(ucg, *data++);
+	arg--;
+      }
+      break;
+    case UCG_COM_MSG_SEND_CD_DATA_SEQUENCE:
+      while(arg > 0)
+      {
+	if ( *data != 0 )
+	{
+	  if ( *data == 1 )
+	  {
+	    digitalWrite(ucg->pin_list[UCG_PIN_CD], 0);
+	  }
+	  else
+	  {
+	    digitalWrite(ucg->pin_list[UCG_PIN_CD], 1);
+	  }
+	}
+	data++;
+	ucg_com_arduino_send_generic_SW_SPI(ucg, *data);
+	data++;
+	arg--;
+      }
+      break;
+  }
+  return 1;
+}
+
+void Ucglib4WireSWSPI::begin(uint8_t is_transparent)
+{ 
+  ucg_Init(&ucg, dev_cb, ext_cb, ucg_com_arduino_generic_SW_SPI); 
+  ucg_SetFontMode(&ucg, is_transparent);
+}
+
+
+/*=========================================================================*/
+/* 8 Bit SW SPI for ILI9325 (mode IM3=0, IM2=1, IM1=0, IM0=0 */
+
+static int16_t ucg_com_arduino_illi9325_SW_SPI(ucg_t *ucg, int16_t msg, uint16_t arg, uint8_t *data)
+{
+
+  switch(msg)
+  {
+    case UCG_COM_MSG_POWER_UP:
+      /* "data" is a pointer to ucg_com_info_t structure with the following information: */
+      /*	((ucg_com_info_t *)data)->serial_clk_speed value in nanoseconds */
+      /*	((ucg_com_info_t *)data)->parallel_clk_speed value in nanoseconds */
+
+#ifdef __AVR__
+      ucg_com_arduino_init_shift_out(ucg->pin_list[UCG_PIN_SDA], ucg->pin_list[UCG_PIN_SCL]);
+#endif
+    
+      /* setup pins */
+      pinMode(ucg->pin_list[UCG_PIN_CD], OUTPUT);
+      pinMode(ucg->pin_list[UCG_PIN_SDA], OUTPUT);
+      pinMode(ucg->pin_list[UCG_PIN_SCL], OUTPUT);
+      if ( ucg->pin_list[UCG_PIN_CS] != UCG_PIN_VAL_NONE )
+	pinMode(ucg->pin_list[UCG_PIN_CS], OUTPUT);
+      if ( ucg->pin_list[UCG_PIN_RST] != UCG_PIN_VAL_NONE )
+	pinMode(ucg->pin_list[UCG_PIN_RST], OUTPUT);
+
+      digitalWrite(ucg->pin_list[UCG_PIN_CD], 1);
+      digitalWrite(ucg->pin_list[UCG_PIN_SDA], 1);
+      digitalWrite(ucg->pin_list[UCG_PIN_SCL], 0);
+      if ( ucg->pin_list[UCG_PIN_CS] != UCG_PIN_VAL_NONE )
+	digitalWrite(ucg->pin_list[UCG_PIN_CS], 1);
+      if ( ucg->pin_list[UCG_PIN_RST] != UCG_PIN_VAL_NONE )
+	digitalWrite(ucg->pin_list[UCG_PIN_RST], 1);
+
+      break;
+    case UCG_COM_MSG_POWER_DOWN:
+      break;
+    case UCG_COM_MSG_DELAY:
+      delayMicroseconds(arg);
+      break;
+    case UCG_COM_MSG_CHANGE_RESET_LINE:
+      if ( ucg->pin_list[UCG_PIN_RST] != UCG_PIN_VAL_NONE )
+	digitalWrite(ucg->pin_list[UCG_PIN_RST], arg);
+      break;
+      
+    case UCG_COM_MSG_CHANGE_CS_LINE:
+#ifdef __AVR__
+      ucg_com_arduino_init_shift_out(ucg->pin_list[UCG_PIN_SDA], ucg->pin_list[UCG_PIN_SCL]);
+#endif    
+      if ( ucg->pin_list[UCG_PIN_CS] != UCG_PIN_VAL_NONE )
+	digitalWrite(ucg->pin_list[UCG_PIN_CS], arg);      
+      break;
+      
+    case UCG_COM_MSG_CHANGE_CD_LINE:
+      if ( ucg->pin_list[UCG_PIN_CS] != UCG_PIN_VAL_NONE )
+      {
+	digitalWrite(ucg->pin_list[UCG_PIN_CS], 1);      
+	digitalWrite(ucg->pin_list[UCG_PIN_CS], 0);      
+      }
+
+      if ( ucg->com_status & UCG_COM_STATUS_MASK_CD )
+	ucg_com_arduino_send_generic_SW_SPI(ucg, 0x072);
+      else
+	ucg_com_arduino_send_generic_SW_SPI(ucg, 0x070);      
+	
+      break;
+      
+    case UCG_COM_MSG_SEND_BYTE:
+      ucg_com_arduino_send_generic_SW_SPI(ucg, arg);
+      break;
+    case UCG_COM_MSG_REPEAT_1_BYTE:
+      while( arg > 0 ) {
+	ucg_com_arduino_send_generic_SW_SPI(ucg, data[0]);
+	arg--;
+      }
+      break;
+    case UCG_COM_MSG_REPEAT_2_BYTES:
+      while( arg > 0 ) {
+	ucg_com_arduino_send_generic_SW_SPI(ucg, data[0]);
+	ucg_com_arduino_send_generic_SW_SPI(ucg, data[1]);
+	arg--;
+      }
+      break;
+    case UCG_COM_MSG_REPEAT_3_BYTES:
+      while( arg > 0 ) {
+	ucg_com_arduino_send_generic_SW_SPI(ucg, data[0]);
+	ucg_com_arduino_send_generic_SW_SPI(ucg, data[1]);
+	ucg_com_arduino_send_generic_SW_SPI(ucg, data[2]);
+	arg--;
+      }
+      break;
+    case UCG_COM_MSG_SEND_STR:
+      while( arg > 0 ) {
+	ucg_com_arduino_send_generic_SW_SPI(ucg, *data++);
+	arg--;
+      }
+      break;
+    case UCG_COM_MSG_SEND_CD_DATA_SEQUENCE:
+      while(arg > 0)
+      {
+	if ( *data != 0 )
+	{
+	  if ( *data == 1 )
+	  {
+	    if ( ucg->pin_list[UCG_PIN_CS] != UCG_PIN_VAL_NONE )
+	    {
+	      digitalWrite(ucg->pin_list[UCG_PIN_CS], 1);      
+	      digitalWrite(ucg->pin_list[UCG_PIN_CS], 0);      
+	    }
+	    ucg_com_arduino_send_generic_SW_SPI(ucg, 0x070);
+	  }
+	  else
+	  {
+	    if ( ucg->pin_list[UCG_PIN_CS] != UCG_PIN_VAL_NONE )
+	    {
+	      digitalWrite(ucg->pin_list[UCG_PIN_CS], 1);      
+	      digitalWrite(ucg->pin_list[UCG_PIN_CS], 0);      
+	    }
+	    ucg_com_arduino_send_generic_SW_SPI(ucg, 0x072);
+	  }
+	}
+	data++;
+	ucg_com_arduino_send_generic_SW_SPI(ucg, *data);
+	data++;
+	arg--;
+      }
+      break;
+  }
+  return 1;
+}
+
+void Ucglib3WireILI9325SWSPI::begin(uint8_t is_transparent)
+{ 
+  ucg_Init(&ucg, dev_cb, ext_cb, ucg_com_arduino_illi9325_SW_SPI); 
+  ucg_SetFontMode(&ucg, is_transparent);
+}
+
+
+/*=========================================================================*/
+/* 9 Bit SW SPI */
+
+static void ucg_com_arduino_send_3wire_9bit_SW_SPI(ucg_t *ucg, uint8_t first_bit, uint8_t data)
+{
+  uint8_t i;
+
+  if ( first_bit != 0 )
+  {
+    digitalWrite(ucg->pin_list[UCG_PIN_SDA], 1 );
+  }
+  else
+  {
+    digitalWrite(ucg->pin_list[UCG_PIN_SDA], 0 );
+  }
+  // no delay required, also Arduino Due is slow enough
+  //delayMicroseconds(1);
+  digitalWrite(ucg->pin_list[UCG_PIN_SCL], 1 );
+  //delayMicroseconds(1);
+  digitalWrite(ucg->pin_list[UCG_PIN_SCL], 0 );
+  //delayMicroseconds(1);
+
+  i = 8;
+  do
+  {
+    if ( data & 128 )
+    {
+      digitalWrite(ucg->pin_list[UCG_PIN_SDA], 1 );
+    }
+    else
+    {
+      digitalWrite(ucg->pin_list[UCG_PIN_SDA], 0 );
+    }
+    // no delay required, also Arduino Due is slow enough
+    //delayMicroseconds(1);
+    digitalWrite(ucg->pin_list[UCG_PIN_SCL], 1 );
+    //delayMicroseconds(1);
+    i--;
+    digitalWrite(ucg->pin_list[UCG_PIN_SCL], 0 );
+    //delayMicroseconds(1);
+    data <<= 1;
+  } while( i > 0 );
+  
+}
+
+static int16_t ucg_com_arduino_3wire_9bit_SW_SPI(ucg_t *ucg, int16_t msg, uint16_t arg, uint8_t *data)
+{
+
+  switch(msg)
+  {
+    case UCG_COM_MSG_POWER_UP:
+      /* "data" is a pointer to ucg_com_info_t structure with the following information: */
+      /*	((ucg_com_info_t *)data)->serial_clk_speed value in nanoseconds */
+      /*	((ucg_com_info_t *)data)->parallel_clk_speed value in nanoseconds */
+      
+      /* setup pins */
+      pinMode(ucg->pin_list[UCG_PIN_SDA], OUTPUT);
+      pinMode(ucg->pin_list[UCG_PIN_SCL], OUTPUT);
+      if ( ucg->pin_list[UCG_PIN_CS] != UCG_PIN_VAL_NONE )
+	pinMode(ucg->pin_list[UCG_PIN_CS], OUTPUT);
+      if ( ucg->pin_list[UCG_PIN_RST] != UCG_PIN_VAL_NONE )
+	pinMode(ucg->pin_list[UCG_PIN_RST], OUTPUT);
+
+      digitalWrite(ucg->pin_list[UCG_PIN_SDA], 1);
+      digitalWrite(ucg->pin_list[UCG_PIN_SCL], 0);
+      if ( ucg->pin_list[UCG_PIN_CS] != UCG_PIN_VAL_NONE )
+	digitalWrite(ucg->pin_list[UCG_PIN_CS], 1);
+      if ( ucg->pin_list[UCG_PIN_RST] != UCG_PIN_VAL_NONE )
+	digitalWrite(ucg->pin_list[UCG_PIN_RST], 1);
+
+      break;
+    case UCG_COM_MSG_POWER_DOWN:
+      break;
+    case UCG_COM_MSG_DELAY:
+      delayMicroseconds(arg);
+      break;
+    case UCG_COM_MSG_CHANGE_RESET_LINE:
+      if ( ucg->pin_list[UCG_PIN_RST] != UCG_PIN_VAL_NONE )
+	digitalWrite(ucg->pin_list[UCG_PIN_RST], arg);
+      break;
+    case UCG_COM_MSG_CHANGE_CS_LINE:
+      if ( ucg->pin_list[UCG_PIN_CS] != UCG_PIN_VAL_NONE )
+	digitalWrite(ucg->pin_list[UCG_PIN_CS], arg);
+      break;
+    case UCG_COM_MSG_CHANGE_CD_LINE:
+      /* ignored, there is not CD line */
+      break;
+    case UCG_COM_MSG_SEND_BYTE:
+      ucg_com_arduino_send_3wire_9bit_SW_SPI(ucg, ucg->com_status &UCG_COM_STATUS_MASK_CD, arg);
+      break;
+    case UCG_COM_MSG_REPEAT_1_BYTE:
+      while( arg > 0 ) {
+	ucg_com_arduino_send_3wire_9bit_SW_SPI(ucg, ucg->com_status &UCG_COM_STATUS_MASK_CD, data[0]);
+	arg--;
+      }
+      break;
+    case UCG_COM_MSG_REPEAT_2_BYTES:
+      while( arg > 0 ) {
+	ucg_com_arduino_send_3wire_9bit_SW_SPI(ucg, ucg->com_status &UCG_COM_STATUS_MASK_CD, data[0]);
+	ucg_com_arduino_send_3wire_9bit_SW_SPI(ucg, ucg->com_status &UCG_COM_STATUS_MASK_CD, data[1]);
+	arg--;
+      }
+      break;
+    case UCG_COM_MSG_REPEAT_3_BYTES:
+      while( arg > 0 ) {
+	ucg_com_arduino_send_3wire_9bit_SW_SPI(ucg, ucg->com_status &UCG_COM_STATUS_MASK_CD, data[0]);
+	ucg_com_arduino_send_3wire_9bit_SW_SPI(ucg, ucg->com_status &UCG_COM_STATUS_MASK_CD, data[1]);
+	ucg_com_arduino_send_3wire_9bit_SW_SPI(ucg, ucg->com_status &UCG_COM_STATUS_MASK_CD, data[2]);
+	arg--;
+      }
+      break;
+    case UCG_COM_MSG_SEND_STR:
+      while( arg > 0 ) {
+	ucg_com_arduino_send_3wire_9bit_SW_SPI(ucg, ucg->com_status &UCG_COM_STATUS_MASK_CD, *data++);
+	arg--;
+      }
+      break;
+    case UCG_COM_MSG_SEND_CD_DATA_SEQUENCE:
+      {
+	uint8_t last_cd = ucg->com_status &UCG_COM_STATUS_MASK_CD;
+	while(arg > 0)
+	{
+	  if ( *data != 0 )
+	  {
+	    if ( *data == 1 )
+	    {
+	      last_cd = 0;
+	    }
+	    else
+	    {
+	      last_cd = 1;
+	    }
+	  }
+	  data++;
+	  ucg_com_arduino_send_3wire_9bit_SW_SPI(ucg, last_cd, *data); 
+	  data++;
+	  arg--;
+	}
+      }
+      break;
+  }
+  return 1;
+}
+
+void Ucglib3Wire9bitSWSPI::begin(uint8_t is_transparent)
+{ 
+  ucg_Init(&ucg, dev_cb, ext_cb, ucg_com_arduino_3wire_9bit_SW_SPI);