X-Git-Url: https://hackdaworld.org/gitweb/?p=my-code%2Farm.git;a=blobdiff_plain;f=betty%2Ffont2b.c;fp=betty%2Ffont2b.c;h=6c1af61adabc0aa2b0a035eae695092f8c7636e5;hp=0000000000000000000000000000000000000000;hb=362d5c63842bf9e3a16de41515f5b76e867d6452;hpb=00632c1df2040d4ee30ff8a9420489f7adfe9963

diff --git a/betty/font2b.c b/betty/font2b.c
new file mode 100644
index 0000000..6c1af61
--- /dev/null
+++ b/betty/font2b.c
@@ -0,0 +1,93 @@
+/*
+ * font2b.c - convert linux console 8x8 font data to betty lcd ram layout
+ *
+ * author: hackbard@hackdaworld.org
+ *
+ * usage:
+ *
+ * first you have to adjust this file two times (see comments!)
+ * don't forget to rebuild.
+ * 
+ * ./font2b > default_font.h
+ *
+ * ONLY 8x8 FONTS SUPPORTED!
+ *
+ */
+
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+// put your font data here!
+#include "/usr/src/linux/drivers/video/console/font_pearl_8x8.c"
+
+#define CHAR 1
+#define BINARY 2
+
+int main(int argc,char **argv) {
+
+	unsigned char *font_data;
+	int font,col,row;
+	unsigned char buf;
+	unsigned char stat;
+	int fd=0;
+
+	// adjust the font data pointer here!
+	font_data=(unsigned char *)fontdata_pearl8x8;
+
+	stat=CHAR;
+	if(argc==2) {
+		fd=open(argv[1],O_WRONLY);
+		if(fd<0) {
+			perror("file open");
+			return fd;
+		}
+		stat=BINARY;
+	}
+
+	if(stat==CHAR)
+		printf("const unsigned char default_font[%d]={\n",256*8*2);
+
+	for(font=0;font<=0xff;font++) {
+
+		/* print the font number */
+		printf("\t/* %d 0x%02x",font,font);
+		if((font>0x1f)&(font<0x7f))
+			printf(" %c */\n",font);
+		else
+			printf(" */\n");
+
+		/* print the array content of the font */
+		for(col=0;col<8;col++) {
+			buf=0;
+			for(row=0;row<8;row++)
+				buf|=(font_data[font*8+row]&(1<<(7-col)));
+			if(stat==CHAR) {
+				if(!(col%4))
+					printf("\t");
+				printf("0x%02x,0x%02x",buf,buf);
+				if((font!=0xff)|(col!=7))
+					printf(",");
+				if(col==3)
+					printf("\n");
+			}
+			else {
+				write(fd,&buf,1);
+				write(fd,&buf,1);
+			}
+		}
+		if(stat==CHAR)
+			printf("\n");
+	}
+
+	/* end */
+	if(stat==CHAR)
+		printf("};\n");
+	else
+		close(fd);
+
+	return 0;
+}