first commit

basic-setup/components/u8g2/sys/sdl/u8log_u8g2/Makefile

@@ -0,0 +1,12 @@
+CFLAGS = -g -Wall -I../../../csrc/.  `sdl2-config --cflags` -fsanitize=address -fsanitize=undefined -fsanitize=bounds-strict -fsanitize=object-size
+
+SRC = $(shell ls ../../../csrc/*.c) ../../bitmap/common/u8x8_d_bitmap.c $(shell ls ../common/*.c ) main.c 
+
+OBJ = $(SRC:.c=.o)
+
+helloworld: $(OBJ) 
+	$(CC) $(CFLAGS) $(LDFLAGS) $(OBJ) `sdl2-config --libs` -o u8g2_sdl
+
+clean:	
+	-rm $(OBJ) u8g2_sdl
+

basic-setup/components/u8g2/sys/sdl/u8log_u8g2/main.c

@@ -0,0 +1,57 @@
+
+#include "u8g2.h"
+#include <stdio.h>
+#include <time.h>
+
+  
+u8g2_t u8g2;
+u8log_t u8log;
+
+#define U8LOG_WIDTH 10
+#define U8LOG_HEIGHT 4
+
+uint8_t u8log_buf[U8LOG_WIDTH*U8LOG_HEIGHT];
+
+int main(void)
+{
+  int k;
+  clock_t t;
+  uint8_t c;
+  
+  u8g2_SetupBuffer_SDL_128x64_4(&u8g2, &u8g2_cb_r0);
+  u8x8_ConnectBitmapToU8x8(u8g2_GetU8x8(&u8g2));		/* connect to bitmap */
+  u8x8_InitDisplay(u8g2_GetU8x8(&u8g2));
+  u8x8_SetPowerSave(u8g2_GetU8x8(&u8g2), 0);    
+  u8g2_SetFont(&u8g2, u8g2_font_helvB12_tr);
+  u8log_Init(&u8log, U8LOG_WIDTH, U8LOG_HEIGHT, u8log_buf);
+  u8log_SetCallback(&u8log, u8log_u8g2_cb, &u8g2);
+  u8log_SetRedrawMode(&u8log, /* is_redraw_line_for_each_char = */ 1);
+  //u8log_SetRedrawMode(&u8log, /* is_redraw_line_for_each_char = */ 0);
+  u8log_SetLineHeightOffset(&u8log, -3);			/* decrese line spacing, u8g2 only */
+  u8g2_SetFontRefHeightExtendedText(&u8g2);	/* increase distance from top and line height */
+  u8g2_SetFontRefHeightAll(&u8g2);	/* increase distance from top and line height */
+  
+  t = clock()+CLOCKS_PER_SEC/10;
+  for(;;)
+  {
+    
+    if ( t < clock() )
+    {
+      c = (t % 10) + '0';
+      if ( c == '0' )
+	c = '\n';
+      u8log_WriteChar(&u8log, c);
+      t = clock()+CLOCKS_PER_SEC/10;      
+    }
+    
+    k = u8g_sdl_get_key();
+    
+    if ( k == 'q' ) break;
+    
+    if ( k == 't' ) 
+      u8x8_SaveBitmapTGA(u8g2_GetU8x8(&u8g2),  "screenshot.tga");
+  }
+  
+  return 0;
+}
+