2.7.5

examples/page_buffer/FPS/FPS.ino

@@ -167,7 +167,7 @@
 
   26.Nov 2016
   U8G2_ST7920_128X64_1_8080				Uno			Clip=13.5 Box=12.1  @=3.6 Pix=5.9		atmega&arduino optimized
-  U8G2_ST7920_128X64_1_SW_SPI 				Uno			Clip=12.9 Box=11.0  @=3.5 Pix=5.4			issue 87
+  U8G2_ST7920_128X64_1_SW_SPI 				Uno			Clip=13.2 Box=11.4  @=3.5 Pix=5.6			issue 87
   U8G2_SSD1306_128X64_NONAME_1_4W_SW_SPI	Uno			Clip=21.7 Box=46.8  @=4.0 Pix=7.1			
   U8G2_SSD1306_128X64_NONAME_1_4W_HW_SPI	Uno			Clip=25.8 Box=84.2  @=4.2 Pix=7.8			
   U8G2_SSD1306_128X64_NONAME_1_8080		Uno			Clip=16.1 Box=29.1  @=3.9 Pix=6.6		

extras/ChangeLog

@@ -53,8 +53,9 @@ https://github.com/olikraus/u8g2 ChangeLog
  * Screen mirror option for U8g2 (issue 76)
  * Added support for second wire interface (Constructor postfix 2ND_HW_I2C)
  * Added support for UC1611 (EA DOGM240 and EA DOGXL240, issue 66)
-2016-xx-xx	v2.7.x	 olikraus@gmail.com
+2016-11-28	v2.7.5	 olikraus@gmail.com
   * Added support for 0.66" 64x48 SSD1306 OLED (issue 89)
   * Support for UC1608 (issue 92)
   * Speed improvements for SW SPI und 8080 mode (issues 87, 90 and 95)
   * Fixed issue with ST7920 not using the optimized SW SPI procedures (issue 87)
+  * Direct buffer API (issue 93)

library.properties

@@ -1,5 +1,5 @@
 name=U8g2
-version=2.7.2
+version=2.7.5
 author=oliver <olikraus@gmail.com>
 maintainer=oliver <olikraus@gmail.com>
 sentence=Library for monochrome LCDs and OLEDs. Successor of U8glib. Features: UTF8, >700 fonts, all Arduino Boards supported 

src/U8g2lib.h

@@ -154,8 +154,8 @@ class U8G2 : public Print
     uint8_t *getBufferPtr(void) { return u8g2_GetBufferPtr(&u8g2); }
     uint8_t getBufferTileHeight(void) { return u8g2_GetBufferTileHeight(&u8g2); }
     uint8_t getBufferTileWidth(void) { return u8g2_GetBufferTileWidth(&u8g2); }
-    uint8_t getBufferCurrTileRow(void) { return u8g2_GetBufferCurrTileRow(&u8g2); }
-    void setBufferCurrTileRow(uint8_t row) { u8g2_SetBufferCurrTileRow(&u8g2, row); }
+    uint8_t getPageCurrTileRow(void) { return u8g2_GetPageCurrTileRow(&u8g2); }
+    void setPageCurrTileRow(uint8_t row) { u8g2_SetPageCurrTileRow(&u8g2, row); }
     
     void setAutoPageClear(uint8_t mode)  { u8g2_SetAutoPageClear(&u8g2, mode); }
 

src/U8x8lib.cpp

@@ -211,8 +211,77 @@ extern "C" uint8_t u8x8_byte_arduino_4wire_sw_spi(u8x8_t *u8x8, uint8_t msg, uin
   switch(msg)
   {
     case U8X8_MSG_BYTE_SEND:
-      data = (uint8_t *)arg_ptr;
-      
+    
+      data = (uint8_t *)arg_ptr;      
+      if ( takeover_edge == 0 )
+      {
+	while( arg_int > 0 )
+	{
+	  b = *data;
+	  data++;
+	  arg_int--;
+	  if ( b == 0 )
+	  {
+	    *arduino_data_port &= arduino_data_n_mask;
+	    for( i = 0; i < 8; i++ )
+	    {
+	      *arduino_clock_port |= arduino_clock_mask;	    
+	      *arduino_clock_port &= arduino_clock_n_mask;
+	    }
+	  }
+	  else
+	  {
+	    for( i = 0; i < 8; i++ )
+	    {
+	      if ( b & 128 )
+		*arduino_data_port |= arduino_data_mask;
+	      else
+		*arduino_data_port &= arduino_data_n_mask;
+
+	      *arduino_clock_port |= arduino_clock_mask;	    
+	      b <<= 1;
+	      *arduino_clock_port &= arduino_clock_n_mask;
+	    }
+	  }
+	}
+      }
+      else
+      {
+	while( arg_int > 0 )
+	{
+	  b = *data;
+	  data++;
+	  arg_int--;
+	  if ( b == 0 )
+	  {
+	    *arduino_data_port &= arduino_data_n_mask;
+	    for( i = 0; i < 8; i++ )
+	    {
+	      *arduino_clock_port &= arduino_clock_n_mask;
+	      *arduino_clock_port |= arduino_clock_mask;	    
+	    }
+	  }
+	  else
+	  {
+	    for( i = 0; i < 8; i++ )
+	    {
+	      if ( b & 128 )
+		*arduino_data_port |= arduino_data_mask;
+	      else
+		*arduino_data_port &= arduino_data_n_mask;
+
+	      *arduino_clock_port &= arduino_clock_n_mask;
+	      b <<= 1;
+	      *arduino_clock_port |= arduino_clock_mask;	    
+	    }
+	  }
+	}
+      }
+
+
+#ifdef NOTUSED
+    
+      data = (uint8_t *)arg_ptr;      
       while( arg_int > 0 )
       {
 	b = *data;
@@ -273,7 +342,7 @@ extern "C" uint8_t u8x8_byte_arduino_4wire_sw_spi(u8x8_t *u8x8, uint8_t msg, uin
 	}
       }
       
-      
+#endif
       
       break;
       

src/clib/u8g2.h

@@ -586,7 +586,7 @@ void u8g2_Setup_a2printer_384x240_f(u8g2_t *u8g2, const u8g2_cb_t *rotation, u8x
 void u8g2_SendBuffer(u8g2_t *u8g2);
 void u8g2_ClearBuffer(u8g2_t *u8g2);
 
-void u8g2_SetBufferCurrTileRow(u8g2_t *u8g2, uint8_t row) U8G2_NOINLINE;
+void u8g2_SetPageCurrTileRow(u8g2_t *u8g2, uint8_t row) U8G2_NOINLINE;
 void u8g2_FirstPage(u8g2_t *u8g2);
 uint8_t u8g2_NextPage(u8g2_t *u8g2);
 
@@ -594,7 +594,7 @@ uint8_t u8g2_NextPage(u8g2_t *u8g2);
 #define u8g2_GetBufferTileHeight(u8g2)	((u8g2)->tile_buf_height)
 #define u8g2_GetBufferTileWidth(u8g2)	(u8g2_GetU8x8(u8g2)->display_info->tile_width)
 /* the following variable is only valid after calling u8g2_FirstPage */
-#define u8g2_GetBufferCurrTileRow(u8g2) ((u8g2)->tile_curr_row)
+#define u8g2_GetPageCurrTileRow(u8g2) ((u8g2)->tile_curr_row)
 
 /*==========================================*/
 /* u8g2_ll_hvline.c */