fixed flipmode for uc1701

csrc/u8g2_buffer.c

@@ -60,7 +60,6 @@ static void u8g2_send_tile_row(u8g2_t *u8g2, uint8_t src_tile_row, uint8_t dest_
   offset *= w;
   offset *= 8;
   ptr += offset;
-    
   u8x8_DrawTile(u8g2_GetU8x8(u8g2), 0, dest_tile_row, w, ptr);
 }
 

csrc/u8x8_d_uc1701_dogs102.c

@@ -173,11 +173,22 @@ uint8_t u8x8_d_uc1701_dogs102(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *
       u8x8_cad_SendCmd(u8x8, 0x000 | ((x&15)));
       u8x8_cad_SendCmd(u8x8, 0x0b0 | (((u8x8_tile_t *)arg_ptr)->y_pos));
     
+      c = ((u8x8_tile_t *)arg_ptr)->cnt;
+      c *= 8;
+      ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
+      /* 
+	The following if condition checks the hardware limits of the uc1701 
+	controller: It is not allowed to write beyond the display limits.
+	This is in fact an issue within flip mode.
+      */
+      if ( c + x > 132u )
+      {
+	c = 132u;
+	c -= x;
+      }
       do
       {
-	c = ((u8x8_tile_t *)arg_ptr)->cnt;
-	ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
-	u8x8_cad_SendData(u8x8, c*8, ptr);	/* note: SendData can not handle more than 255 bytes */
+	u8x8_cad_SendData(u8x8, c, ptr);	/* note: SendData can not handle more than 255 bytes */
 	arg_int--;
       } while( arg_int > 0 );
       

sys/arduino/internal/FlipMode/FlipMode.ino

@@ -73,8 +73,7 @@ void loop(void) {
   u8g2.firstPage();
   do {
     u8g2.drawStr(0,24,"Hello World!");
-    u8g2.drawStr(20,14,"Hello World!");
-    u8g2.drawPixel(u8g2.getDisplayWidth()-1, 3);
+    
     u8g2.drawFrame(0,0,u8g2.getDisplayWidth(),u8g2.getDisplayHeight() );
   } while ( u8g2.nextPage() );
 
@@ -86,6 +85,6 @@ void loop(void) {
     u8g2.drawStr(0,24,"Hello World!");
     u8g2.drawFrame(0,0,u8g2.getDisplayWidth(),u8g2.getDisplayHeight() );
   } while ( u8g2.nextPage() );
-  delay(2000);
+  delay(400);
 }
 

sys/utf8/clip_picture_loop/Makefile

@@ -0,0 +1,14 @@
+CC = gcc
+
+CFLAGS = -g -W -Wall -Wextra -Wcast-qual -Wno-overlength-strings -Wno-unused-parameter -I../../../csrc/. 
+
+SRC = $(shell ls ../../../csrc/*.c) $(shell ls ../common/*.c ) main.c 
+
+OBJ = $(SRC:.c=.o)
+
+u8g2_utf8: $(OBJ) 
+	$(CC) $(CFLAGS) $(LDFLAGS) $(OBJ) -o u8g2_utf8
+
+clean:	
+	-rm $(OBJ) u8g2_utf8
+

sys/utf8/clip_picture_loop/main.c

@@ -0,0 +1,42 @@
+/*
+  this example was written to debug a problem with a display width, which
+  is not multiple of 8.
+  the display width is set to 102 for this purpose
+*/
+
+
+
+#include "u8g2.h"
+#include <stdio.h>
+
+
+  
+u8g2_t u8g2;
+
+int main(void)
+{
+
+  u8g2_SetupBuffer_Utf8(&u8g2, U8G2_R0);
+  
+  
+  u8g2_InitDisplay(&u8g2);
+  u8g2_SetPowerSave(&u8g2, 0);  
+  
+  u8g2_SetFont(&u8g2, u8g2_font_6x13_tf);
+  u8g2_SetFontDirection(&u8g2, 0);
+  
+  u8g2_FirstPage(&u8g2);
+  do
+  {      
+    
+    u8g2_DrawHLine(&u8g2, u8g2_GetDisplayWidth(&u8g2)-1, 2, 4);
+    u8g2_DrawStr(&u8g2, 10, 20, "Clip");
+  } while( u8g2_NextPage(&u8g2) );
+    
+  utf8_show();
+  
+  printf("DisplayWidth = %d\n", u8g2_GetDisplayWidth(&u8g2));
+  
+  return 0;
+}
+

sys/utf8/frame_rotate_picture_loop/main.c

@@ -29,12 +29,12 @@ int main(void)
   do
   {      
     
-    //u8g2_DrawFrame(&u8g2, 0, 0, 
-    //  u8g2_GetDisplayWidth(&u8g2), u8g2_GetDisplayHeight(&u8g2));
+    u8g2_DrawFrame(&u8g2, 0, 0, 
+      u8g2_GetDisplayWidth(&u8g2), u8g2_GetDisplayHeight(&u8g2));
     //u8g2_DrawHLine(&u8g2, 0, 0, u8g2_GetDisplayWidth(&u8g2));
-    u8g2_DrawHLine(&u8g2, 0, u8g2_GetDisplayHeight(&u8g2)-1, u8g2_GetDisplayWidth(&u8g2));
+    //u8g2_DrawHLine(&u8g2, 0, u8g2_GetDisplayHeight(&u8g2)-1, u8g2_GetDisplayWidth(&u8g2));
     //u8g2_DrawHLine(&u8g2, 0, 32, 10);
-    // u8g2_DrawStr(&u8g2, 10, 20, "Frame");
+    u8g2_DrawStr(&u8g2, 10, 20, "Frame");
     //u8g2_DrawStr(&u8g2, u8g2_GetDisplayWidth(&u8g2)-9, 10, "Frame");
     //u8g2_DrawStr(&u8g2, u8g2_GetDisplayWidth(&u8g2)-8, 20, "Frame");
     //u8g2_DrawStr(&u8g2, u8g2_GetDisplayWidth(&u8g2)-7, 30, "Frame");