basic implementation done ...

diff --git a/led_plex/convert_font.c b/led_plex/convert_font.c
new file mode 100644 (file)
index 0000000..33f7897
--- /dev/null
+++ b/led_plex/convert_font.c
@@ -0,0 +1,60 @@
+/*
+ * convert_font.c - convert linux console 8x8 font data
+ *
+ * author: hackbard@hackdaworld.org
+ *
+ * usage:
+ *
+ * first you have to adjust this file two times (see comments!)
+ *
+ * build: gcc -Wall -o convert_font convert_font.c -I/usr/src/linux/include
+ * 
+ * ./convert_font > fonts.asm
+ *
+ * ONLY 8x8 FONTS SUPPORTED!
+ *
+ */
+
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+typedef unsigned int u32;
+
+// put your font data here!
+#include "/usr/src/linux/drivers/video/console/font_pearl_8x8.c"
+
+int main(int argc,char **argv) {
+
+       unsigned char *font_data;
+       int font,col,row;
+
+       // adjust the font data pointer here!
+       font_data=(unsigned char *)fontdata_pearl8x8;
+
+       for(font=0;font<=0x7f;font++) {
+
+               /* print the font number */
+               printf("; %d 0x%02x",font,font);
+               if((font>0x1f)&(font<0x7f))
+                       printf(" %c\n",font);
+               else
+                       printf("\n");
+               printf(".db ");
+
+               /* print the array content of the font */
+               for(col=0;col<8;col++) {
+                       printf("0b");
+                       for(row=0;row<8;row++)
+       printf("%c",((font_data[font*8+row]>>(7-col))&1)?'1':'0');
+                       if(col!=7) printf(", ");
+                       else printf("\n");
+
+               }
+       }
+
+       return 0;
+}

diff --git a/led_plex/fonts.asm b/led_plex/fonts.asm
new file mode 100644 (file)
index 0000000..3826896
--- /dev/null
+++ b/led_plex/fonts.asm
@@ -0,0 +1,256 @@
+; 0 0x00
+.db 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000
+; 1 0x01
+.db 0b01111110, 0b10000001, 0b10101001, 0b10001101, 0b10001101, 0b10101001, 0b10000001, 0b01111110
+; 2 0x02
+.db 0b01111110, 0b11111111, 0b11010111, 0b11110011, 0b11110011, 0b11010111, 0b11111111, 0b01111110
+; 3 0x03
+.db 0b01110000, 0b11111000, 0b11111100, 0b01111110, 0b11111100, 0b11111000, 0b01110000, 0b00000000
+; 4 0x04
+.db 0b00010000, 0b00111000, 0b01111100, 0b11111110, 0b01111100, 0b00111000, 0b00010000, 0b00000000
+; 5 0x05
+.db 0b00011100, 0b01011100, 0b11111001, 0b11111111, 0b11111001, 0b01011100, 0b00011100, 0b00000000
+; 6 0x06
+.db 0b00011000, 0b00111100, 0b01111101, 0b11111111, 0b01111101, 0b00111100, 0b00011000, 0b00000000
+; 7 0x07
+.db 0b00000000, 0b00000000, 0b00011000, 0b00111100, 0b00111100, 0b00011000, 0b00000000, 0b00000000
+; 8 0x08
+.db 0b11111111, 0b11111111, 0b11100111, 0b11000011, 0b11000011, 0b11100111, 0b11111111, 0b11111111
+; 9 0x09
+.db 0b00000000, 0b00111100, 0b01100110, 0b01000010, 0b01000010, 0b01100110, 0b00111100, 0b00000000
+; 10 0x0a
+.db 0b11111111, 0b11000011, 0b10011001, 0b10111101, 0b10111101, 0b10011001, 0b11000011, 0b11111111
+; 11 0x0b
+.db 0b00001110, 0b00011111, 0b00010001, 0b00010001, 0b10111111, 0b11111110, 0b11100000, 0b11110000
+; 12 0x0c
+.db 0b00000000, 0b01110010, 0b11111010, 0b10001111, 0b10001111, 0b11111010, 0b01110010, 0b00000000
+; 13 0x0d
+.db 0b00000011, 0b00000111, 0b11111111, 0b11111110, 0b10100000, 0b10100000, 0b11100000, 0b11100000
+; 14 0x0e
+.db 0b00000011, 0b11111111, 0b11111110, 0b10100000, 0b10100000, 0b10100110, 0b11111110, 0b11111100
+; 15 0x0f
+.db 0b01011010, 0b01011010, 0b00111100, 0b11100111, 0b11100111, 0b00111100, 0b01011010, 0b01011010
+; 16 0x10
+.db 0b11111110, 0b01111100, 0b01111100, 0b00111000, 0b00111000, 0b00010000, 0b00010000, 0b00000000
+; 17 0x11
+.db 0b00010000, 0b00010000, 0b00111000, 0b00111000, 0b01111100, 0b01111100, 0b11111110, 0b00000000
+; 18 0x12
+.db 0b00000000, 0b00100100, 0b01100110, 0b11111111, 0b11111111, 0b01100110, 0b00100100, 0b00000000
+; 19 0x13
+.db 0b00000000, 0b11111010, 0b11111010, 0b00000000, 0b00000000, 0b11111010, 0b11111010, 0b00000000
+; 20 0x14
+.db 0b01100000, 0b11110000, 0b10010000, 0b11111110, 0b11111110, 0b10000000, 0b11111110, 0b11111110
+; 21 0x15
+.db 0b00000010, 0b01011001, 0b11111101, 0b10100101, 0b10100101, 0b10111111, 0b10011010, 0b01000000
+; 22 0x16
+.db 0b00000000, 0b00001110, 0b00001110, 0b00001110, 0b00001110, 0b00001110, 0b00001110, 0b00000000
+; 23 0x17
+.db 0b00000001, 0b00101001, 0b01101101, 0b11111111, 0b11111111, 0b01101101, 0b00101001, 0b00000001
+; 24 0x18
+.db 0b00000000, 0b00100000, 0b01100000, 0b11111110, 0b11111110, 0b01100000, 0b00100000, 0b00000000
+; 25 0x19
+.db 0b00000000, 0b00001000, 0b00001100, 0b11111110, 0b11111110, 0b00001100, 0b00001000, 0b00000000
+; 26 0x1a
+.db 0b00010000, 0b00010000, 0b00010000, 0b01010100, 0b01111100, 0b00111000, 0b00010000, 0b00000000
+; 27 0x1b
+.db 0b00010000, 0b00111000, 0b01111100, 0b01010100, 0b00010000, 0b00010000, 0b00010000, 0b00000000
+; 28 0x1c
+.db 0b00111100, 0b00111100, 0b00000100, 0b00000100, 0b00000100, 0b00000100, 0b00000100, 0b00000000
+; 29 0x1d
+.db 0b00010000, 0b00111000, 0b01111100, 0b00010000, 0b00010000, 0b01111100, 0b00111000, 0b00010000
+; 30 0x1e
+.db 0b00001100, 0b00011100, 0b00111100, 0b01111100, 0b01111100, 0b00111100, 0b00011100, 0b00001100
+; 31 0x1f
+.db 0b01100000, 0b01110000, 0b01111000, 0b01111100, 0b01111100, 0b01111000, 0b01110000, 0b01100000
+; 32 0x20  
+.db 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000
+; 33 0x21 !
+.db 0b00000000, 0b00000000, 0b01110000, 0b11111010, 0b11111010, 0b01110000, 0b00000000, 0b00000000
+; 34 0x22 "
+.db 0b00000000, 0b11000000, 0b11000000, 0b00000000, 0b11000000, 0b11000000, 0b00000000, 0b00000000
+; 35 0x23 #
+.db 0b00101000, 0b11111110, 0b11111110, 0b00101000, 0b11111110, 0b11111110, 0b00101000, 0b00000000
+; 36 0x24 $
+.db 0b00000000, 0b00100100, 0b01110100, 0b11010110, 0b11010110, 0b01011100, 0b01001000, 0b00000000
+; 37 0x25 %
+.db 0b01100010, 0b01100110, 0b00001100, 0b00011000, 0b00110000, 0b01100110, 0b01000110, 0b00000000
+; 38 0x26 &
+.db 0b00001100, 0b01111110, 0b11110010, 0b10011010, 0b11101100, 0b01011110, 0b00010010, 0b00000000
+; 39 0x27 '
+.db 0b00000000, 0b00000000, 0b00100000, 0b11100000, 0b11000000, 0b00000000, 0b00000000, 0b00000000
+; 40 0x28 (
+.db 0b00000000, 0b00000000, 0b00111000, 0b01111100, 0b11000110, 0b10000010, 0b00000000, 0b00000000
+; 41 0x29 )
+.db 0b00000000, 0b00000000, 0b10000010, 0b11000110, 0b01111100, 0b00111000, 0b00000000, 0b00000000
+; 42 0x2a *
+.db 0b00010000, 0b01010100, 0b01111100, 0b00111000, 0b00111000, 0b01111100, 0b01010100, 0b00010000
+; 43 0x2b +
+.db 0b00000000, 0b00010000, 0b00010000, 0b01111100, 0b01111100, 0b00010000, 0b00010000, 0b00000000
+; 44 0x2c ,
+.db 0b00000000, 0b00000000, 0b00000001, 0b00000111, 0b00000110, 0b00000000, 0b00000000, 0b00000000
+; 45 0x2d -
+.db 0b00000000, 0b00010000, 0b00010000, 0b00010000, 0b00010000, 0b00010000, 0b00010000, 0b00000000
+; 46 0x2e .
+.db 0b00000000, 0b00000000, 0b00000000, 0b00000110, 0b00000110, 0b00000000, 0b00000000, 0b00000000
+; 47 0x2f /
+.db 0b00000010, 0b00000110, 0b00001100, 0b00011000, 0b00110000, 0b01100000, 0b11000000, 0b10000000
+; 48 0x30 0
+.db 0b01111100, 0b11111110, 0b10011010, 0b10111010, 0b10110010, 0b11111110, 0b01111100, 0b00000000
+; 49 0x31 1
+.db 0b00000000, 0b01000000, 0b01000000, 0b11111110, 0b11111110, 0b00000000, 0b00000000, 0b00000000
+; 50 0x32 2
+.db 0b01000010, 0b11000110, 0b10001110, 0b10011010, 0b10110010, 0b11100010, 0b01000010, 0b00000000
+; 51 0x33 3
+.db 0b01000100, 0b11000110, 0b10000010, 0b10010010, 0b10010010, 0b11111110, 0b01101100, 0b00000000
+; 52 0x34 4
+.db 0b00011000, 0b00111000, 0b01101000, 0b11001000, 0b11111110, 0b11111110, 0b00001000, 0b00000000
+; 53 0x35 5
+.db 0b11100100, 0b11100110, 0b10100010, 0b10100010, 0b10100010, 0b10111110, 0b10011100, 0b00000000
+; 54 0x36 6
+.db 0b00111100, 0b01111110, 0b11010010, 0b10010010, 0b10010010, 0b00011110, 0b00001100, 0b00000000
+; 55 0x37 7
+.db 0b10000000, 0b10000110, 0b10001110, 0b10011000, 0b10110000, 0b11100000, 0b11000000, 0b00000000
+; 56 0x38 8
+.db 0b01101100, 0b11111110, 0b10010010, 0b10010010, 0b10010010, 0b11111110, 0b01101100, 0b00000000
+; 57 0x39 9
+.db 0b01100000, 0b11110000, 0b10010010, 0b10010010, 0b10010110, 0b11111100, 0b01111000, 0b00000000
+; 58 0x3a :
+.db 0b00000000, 0b00000000, 0b00000000, 0b01100110, 0b01100110, 0b00000000, 0b00000000, 0b00000000
+; 59 0x3b ;
+.db 0b00000000, 0b00000000, 0b00000001, 0b01100111, 0b01100110, 0b00000000, 0b00000000, 0b00000000
+; 60 0x3c <
+.db 0b00000000, 0b00010000, 0b00111000, 0b01101100, 0b11000110, 0b10000010, 0b00000000, 0b00000000
+; 61 0x3d =
+.db 0b00000000, 0b00100100, 0b00100100, 0b00100100, 0b00100100, 0b00100100, 0b00100100, 0b00000000
+; 62 0x3e >
+.db 0b00000000, 0b00000000, 0b10000010, 0b11000110, 0b01101100, 0b00111000, 0b00010000, 0b00000000
+; 63 0x3f ?
+.db 0b00000000, 0b01000000, 0b11000000, 0b10001010, 0b10011010, 0b11110000, 0b01100000, 0b00000000
+; 64 0x40 @
+.db 0b01111100, 0b11111110, 0b10000010, 0b10111010, 0b10111010, 0b11111010, 0b01111000, 0b00000000
+; 65 0x41 A
+.db 0b00011110, 0b00111110, 0b01101000, 0b11001000, 0b01101000, 0b00111110, 0b00011110, 0b00000000
+; 66 0x42 B
+.db 0b11111110, 0b11111110, 0b10010010, 0b10010010, 0b10010010, 0b11111110, 0b01101100, 0b00000000
+; 67 0x43 C
+.db 0b01111100, 0b11111110, 0b10000010, 0b10000010, 0b10000010, 0b11000110, 0b01000100, 0b00000000
+; 68 0x44 D
+.db 0b11111110, 0b11111110, 0b10000010, 0b10000010, 0b10000010, 0b11111110, 0b01111100, 0b00000000
+; 69 0x45 E
+.db 0b11111110, 0b11111110, 0b10010010, 0b10010010, 0b10010010, 0b10000010, 0b10000010, 0b00000000
+; 70 0x46 F
+.db 0b11111110, 0b11111110, 0b10010000, 0b10010000, 0b10010000, 0b10000000, 0b10000000, 0b00000000
+; 71 0x47 G
+.db 0b01111100, 0b11111110, 0b10000010, 0b10000010, 0b10010010, 0b11011110, 0b01011100, 0b00000000
+; 72 0x48 H
+.db 0b11111110, 0b11111110, 0b00010000, 0b00010000, 0b00010000, 0b11111110, 0b11111110, 0b00000000
+; 73 0x49 I
+.db 0b00000000, 0b10000010, 0b10000010, 0b11111110, 0b11111110, 0b10000010, 0b10000010, 0b00000000
+; 74 0x4a J
+.db 0b00001100, 0b00001110, 0b00000010, 0b00000010, 0b00000010, 0b11111110, 0b11111100, 0b00000000
+; 75 0x4b K
+.db 0b11111110, 0b11111110, 0b00010000, 0b00111000, 0b01101100, 0b11000110, 0b10000010, 0b00000000
+; 76 0x4c L
+.db 0b11111110, 0b11111110, 0b00000010, 0b00000010, 0b00000010, 0b00000010, 0b00000010, 0b00000000
+; 77 0x4d M
+.db 0b11111110, 0b01111110, 0b00110000, 0b00011000, 0b00110000, 0b01111110, 0b11111110, 0b00000000
+; 78 0x4e N
+.db 0b11111110, 0b11111110, 0b01100000, 0b00110000, 0b00011000, 0b11111110, 0b11111110, 0b00000000
+; 79 0x4f O
+.db 0b01111100, 0b11111110, 0b10000010, 0b10000010, 0b10000010, 0b11111110, 0b01111100, 0b00000000
+; 80 0x50 P
+.db 0b11111110, 0b11111110, 0b10010000, 0b10010000, 0b10010000, 0b11110000, 0b01100000, 0b00000000
+; 81 0x51 Q
+.db 0b01111100, 0b11111110, 0b10001010, 0b10001110, 0b10000110, 0b11111111, 0b01111101, 0b00000000
+; 82 0x52 R
+.db 0b11111110, 0b11111110, 0b10010000, 0b10011000, 0b10011100, 0b11110110, 0b01100010, 0b00000000
+; 83 0x53 S
+.db 0b01000100, 0b11100110, 0b10110010, 0b10010010, 0b10011010, 0b11001110, 0b01000100, 0b00000000
+; 84 0x54 T
+.db 0b00000000, 0b10000000, 0b10000000, 0b11111110, 0b11111110, 0b10000000, 0b10000000, 0b00000000
+; 85 0x55 U
+.db 0b11111100, 0b11111110, 0b00000010, 0b00000010, 0b00000010, 0b11111110, 0b11111100, 0b00000000
+; 86 0x56 V
+.db 0b11000000, 0b11110000, 0b00111100, 0b00001110, 0b00001110, 0b00111100, 0b11110000, 0b11000000
+; 87 0x57 W
+.db 0b11111110, 0b11111110, 0b00001100, 0b00011000, 0b00001100, 0b11111110, 0b11111110, 0b00000000
+; 88 0x58 X
+.db 0b10000010, 0b11000110, 0b01101100, 0b00111000, 0b00111000, 0b01101100, 0b11000110, 0b10000010
+; 89 0x59 Y
+.db 0b11000000, 0b11100000, 0b00110000, 0b00011110, 0b00011110, 0b00110000, 0b11100000, 0b11000000
+; 90 0x5a Z
+.db 0b10000010, 0b10000110, 0b10001110, 0b10011010, 0b10110010, 0b11100010, 0b11000010, 0b00000000
+; 91 0x5b [
+.db 0b00000000, 0b00000000, 0b11111110, 0b11111110, 0b10000010, 0b10000010, 0b00000000, 0b00000000
+; 92 0x5c \
+.db 0b10000000, 0b11000000, 0b01100000, 0b00110000, 0b00011000, 0b00001100, 0b00000110, 0b00000010
+; 93 0x5d ]
+.db 0b00000000, 0b00000000, 0b10000010, 0b10000010, 0b11111110, 0b11111110, 0b00000000, 0b00000000
+; 94 0x5e ^
+.db 0b00010000, 0b00110000, 0b01100000, 0b11000000, 0b01100000, 0b00110000, 0b00010000, 0b00000000
+; 95 0x5f _
+.db 0b00000001, 0b00000001, 0b00000001, 0b00000001, 0b00000001, 0b00000001, 0b00000001, 0b00000000
+; 96 0x60 `
+.db 0b00000000, 0b00000000, 0b00000000, 0b11000000, 0b11100000, 0b00100000, 0b00000000, 0b00000000
+; 97 0x61 a
+.db 0b00000100, 0b00101110, 0b00101010, 0b00101010, 0b00101010, 0b00111110, 0b00011110, 0b00000000
+; 98 0x62 b
+.db 0b11111110, 0b11111110, 0b00100010, 0b00100010, 0b00100010, 0b00111110, 0b00011100, 0b00000000
+; 99 0x63 c
+.db 0b00011100, 0b00111110, 0b00100010, 0b00100010, 0b00100010, 0b00110110, 0b00010100, 0b00000000
+; 100 0x64 d
+.db 0b00011100, 0b00111110, 0b00100010, 0b00100010, 0b00100010, 0b11111110, 0b11111110, 0b00000000
+; 101 0x65 e
+.db 0b00011100, 0b00111110, 0b00101010, 0b00101010, 0b00101010, 0b00111010, 0b00011000, 0b00000000
+; 102 0x66 f
+.db 0b00010000, 0b01111110, 0b11111110, 0b10010000, 0b10000000, 0b11000000, 0b01000000, 0b00000000
+; 103 0x67 g
+.db 0b00011000, 0b00111101, 0b00100101, 0b00100101, 0b00100101, 0b00111111, 0b00111110, 0b00000000
+; 104 0x68 h
+.db 0b11111110, 0b11111110, 0b00100000, 0b00100000, 0b00100000, 0b00111110, 0b00011110, 0b00000000
+; 105 0x69 i
+.db 0b00000000, 0b00000000, 0b00100000, 0b10111110, 0b10111110, 0b00000000, 0b00000000, 0b00000000
+; 106 0x6a j
+.db 0b00000010, 0b00000011, 0b00000001, 0b00000001, 0b00000001, 0b10111111, 0b10111110, 0b00000000
+; 107 0x6b k
+.db 0b11111110, 0b11111110, 0b00001000, 0b00011100, 0b00110110, 0b00100010, 0b00000000, 0b00000000
+; 108 0x6c l
+.db 0b00000000, 0b00000000, 0b10000000, 0b11111110, 0b11111110, 0b00000000, 0b00000000, 0b00000000
+; 109 0x6d m
+.db 0b00111110, 0b00111110, 0b00110000, 0b00011000, 0b00110000, 0b00111110, 0b00011110, 0b00000000
+; 110 0x6e n
+.db 0b00111110, 0b00111110, 0b00100000, 0b00100000, 0b00100000, 0b00111110, 0b00011110, 0b00000000
+; 111 0x6f o
+.db 0b00011100, 0b00111110, 0b00100010, 0b00100010, 0b00100010, 0b00111110, 0b00011100, 0b00000000
+; 112 0x70 p
+.db 0b00111111, 0b00111111, 0b00100100, 0b00100100, 0b00100100, 0b00111100, 0b00011000, 0b00000000
+; 113 0x71 q
+.db 0b00011000, 0b00111100, 0b00100100, 0b00100100, 0b00100100, 0b00111111, 0b00111111, 0b00000000
+; 114 0x72 r
+.db 0b00111110, 0b00111110, 0b00010000, 0b00100000, 0b00100000, 0b00110000, 0b00010000, 0b00000000
+; 115 0x73 s
+.db 0b00010010, 0b00111010, 0b00101010, 0b00101010, 0b00101010, 0b00101110, 0b00100100, 0b00000000
+; 116 0x74 t
+.db 0b00000000, 0b00100000, 0b11111100, 0b11111110, 0b00100010, 0b00100110, 0b00000100, 0b00000000
+; 117 0x75 u
+.db 0b00111100, 0b00111110, 0b00000010, 0b00000010, 0b00000010, 0b00111110, 0b00111100, 0b00000000
+; 118 0x76 v
+.db 0b00111000, 0b00111100, 0b00000110, 0b00000010, 0b00000110, 0b00111100, 0b00111000, 0b00000000
+; 119 0x77 w
+.db 0b00111100, 0b00111110, 0b00000110, 0b00001100, 0b00000110, 0b00111110, 0b00111100, 0b00000000
+; 120 0x78 x
+.db 0b00100010, 0b00110110, 0b00011100, 0b00001000, 0b00011100, 0b00110110, 0b00100010, 0b00000000
+; 121 0x79 y
+.db 0b00100000, 0b00110001, 0b00011011, 0b00001110, 0b00001100, 0b00011000, 0b00110000, 0b00100000
+; 122 0x7a z
+.db 0b00100010, 0b00100110, 0b00101110, 0b00101010, 0b00111010, 0b00110010, 0b00100010, 0b00000000
+; 123 0x7b {
+.db 0b00000000, 0b00010000, 0b00010000, 0b01111100, 0b11101110, 0b10000010, 0b10000010, 0b00000000
+; 124 0x7c |
+.db 0b00000000, 0b00000000, 0b00000000, 0b11111110, 0b11111110, 0b00000000, 0b00000000, 0b00000000
+; 125 0x7d }
+.db 0b00000000, 0b10000010, 0b10000010, 0b11101110, 0b01111100, 0b00010000, 0b00010000, 0b00000000
+; 126 0x7e ~
+.db 0b01000000, 0b10000000, 0b10000000, 0b11000000, 0b01000000, 0b01000000, 0b10000000, 0b00000000
+; 127 0x7f
+.db 0b00001110, 0b00011110, 0b00110010, 0b01100010, 0b00110010, 0b00011110, 0b00001110, 0b00000000

diff --git a/led_plex/main.asm b/led_plex/main.asm
index b27f65f..8d9145b 100644 (file)
--- a/led_plex/main.asm
+++ b/led_plex/main.asm
@@ -9,11 +9,15 @@
 .include "../include/tn2313def.inc"
 
 ; defines
+.def   zero            = r1
+.def   one             = r2
 .def   tmp1            = r16
 .def   tmp2            = r17
 .def   uart_rxtx       = r18
 .def   hc595_sink      = r19
 .def   hc595_source    = r20
+.def   column          = r21
+.def   count           = r22
 
 ;
 ; interrupts
@@ -92,27 +96,63 @@ INIT:
        ; timer0 interrupt enable
        rcall TIMER0_INT_INIT
 
+       ; timer1 init
+       rcall TIMER1_INIT
+
+       ; timer1 interrupt enable
+       rcall TIMER1_INT_INIT
+
        ; uart init
        rcall UART_INIT
 
        ; uart interrupt enable
        rcall UART_INT_RX_INIT
 
+       ; zero and one initialization
+       ldi tmp1,0
+       mov zero,tmp1
+       ldi tmp1,1
+       mov one,tmp1
+
        ; set stackpointer
        ldi tmp1,low(RAMEND)
        out SPL,tmp1
 
-       ; global interrupt enable
-       sei 
+       ; framebuffer init: Z :)
+       ldi ZL,low(FB_C)
+       ldi ZH,high(FB_C)
+       ldi tmp1,0xff
+       st Z+,tmp1
+       ldi tmp1,0xc3
+       st Z+,tmp1
+       ldi tmp1,0xa5
+       st Z+,tmp1
+       ldi tmp1,0x99
+       st Z+,tmp1
+       ldi tmp1,0x99
+       st Z+,tmp1
+       ldi tmp1,0xa5
+       st Z+,tmp1
+       ldi tmp1,0xc3
+       st Z+,tmp1
+       ldi tmp1,0xff
+       st Z,tmp1
+
+       ; led init
+       ldi hc595_sink,0x00
+       ldi hc595_source,0x01
+       ldi column,0
+       rcall SET_HC595
+
+       ; more init
+       ldi count,0x21
 
        ; signal ready output
        ldi uart_rxtx,0x68
        rcall UART_TX
 
-       ; led init
-       ldi hc595_sink,0xff
-       ldi hc595_source,0x01
-       rcall SET_HC595
+       ; global interrupt enable
+       sei 
 
 MAIN:
 
@@ -131,21 +171,150 @@ MAIN:
 ;
 
 T1_OVF:
+
+       ;
+       ; write font into framebuffer sram
+       ;
+
+.ifdef DEBUG_PORTS
+       ldi uart_rxtx,0x21
+       rcall UART_TX
+.endif
+       ; calculate address
+
+       ; font base address
+       ldi ZL,low(FONTS*2)
+       ldi ZH,high(FONTS*2)
+.ifdef DEBUG_PORTS
+       mov uart_rxtx,ZH
+       rcall UART_TX
+       mov uart_rxtx,ZL
+       rcall UART_TX
+       ldi uart_rxtx,0x2d
+       rcall UART_TX
+.endif
+
+       ; framebuffer base address
+       ldi YL,low(FB_C)
+       ldi YH,high(FB_C)
+.ifdef DEBUG_PORTS
+       mov uart_rxtx,YH
+       rcall UART_TX
+       mov uart_rxtx,YL
+       rcall UART_TX
+       ldi uart_rxtx,0x2d
+       rcall UART_TX
+.endif
+
+       ; font offset
+       mov XL,count
+       ldi XH,0
+       ; times 8 == 3 left shifts 
+       rol XL
+       rol XH
+       rol XL
+       rol XH
+       rol XL
+       rol XH
+.ifdef DEBUG_PORTS
+       mov uart_rxtx,XH
+       rcall UART_TX
+       mov uart_rxtx,XL
+       rcall UART_TX
+       ldi uart_rxtx,0x2d
+       rcall UART_TX
+.endif
+
+       ; final font address
+       add ZL,XL
+       adc ZH,zero
+       add ZH,XH
+.ifdef DEBUG_PORTS
+       mov uart_rxtx,ZH
+       rcall UART_TX
+       mov uart_rxtx,ZL
+       rcall UART_TX
+       ldi uart_rxtx,0x2d
+       rcall UART_TX
+       mov uart_rxtx,count
+       rcall UART_TX
+.endif
+
+       ; move font data into framebuffer
+       lpm tmp1,Z+
+       st Y+,tmp1
+       lpm tmp1,Z+
+       st Y+,tmp1
+       lpm tmp1,Z+
+       st Y+,tmp1
+       lpm tmp1,Z+
+       st Y+,tmp1
+       lpm tmp1,Z+
+       st Y+,tmp1
+       lpm tmp1,Z+
+       st Y+,tmp1
+       lpm tmp1,Z+
+       st Y+,tmp1
+       lpm tmp1,Z
+       st Y,tmp1
+
+       ; TESTING
+       ; increment test counter
+       inc count
+       cpi count,0x80
+       brne EXIT_T1_OVF
+       ldi count,0x21
+
+EXIT_T1_OVF:
+       
        reti
 
 T0_OVF:
 
        ; debug output
        cbi PORTD,3
-       
+
        ; shift source
        rol hc595_source
+       inc column
+       cpi column,8
+       brne SINK_UPDATE
+       ldi column,0
+       ldi hc595_source,1
 
        ; update sink
+SINK_UPDATE:
+
+       ldi ZL,low(FB_C)
+       ldi ZH,high(FB_C)
+       add ZL,column
+       adc ZH,zero
+       ld hc595_sink,Z
+
+.ifdef DEBUG_PORTS
+       ldi uart_rxtx,0x2d
+       rcall UART_TX
+       ldi uart_rxtx,0x3e
+       rcall UART_TX
+       ldi uart_rxtx,0x30
+       add uart_rxtx,column
+       rcall UART_TX
+       ldi uart_rxtx,0x3a
+       rcall UART_TX
+       ldi uart_rxtx,0x20
+       rcall UART_TX
+.endif
 
        ; set hc595
        rcall SET_HC595
 
+.ifdef DEBUG_PORTS
+       ldi uart_rxtx,0x0a
+       rcall UART_TX
+       ldi uart_rxtx,0x0d
+       rcall UART_TX
+.endif
+
        ; debug output
        sbi PORTD,3
        
@@ -154,3 +323,17 @@ T0_OVF:
 UART_RECEIVE:
        reti
 
+; include fonts 
+FONTS:
+.include "fonts.asm"
+
+;
+; sram
+;
+
+.dseg
+
+; current framebuffer content
+FB_C: .byte 8
+
+

diff --git a/led_plex/port.asm b/led_plex/port.asm
index 7109c3c..f57bda9 100644 (file)
--- a/led_plex/port.asm
+++ b/led_plex/port.asm
@@ -43,14 +43,26 @@ SET_HC595:
        ; storage clock -> low
        cbi PORTB,1
 
+       ; zero to everything ...
+       cbi PORTB,3 ; clear hc595 registers
+       sbi PORTB,1 ; store shift register data
+       cbi PORTB,1 ; release hc595 register clear
+       sbi PORTB,3 ; storage clock -> low
+
        ; source driver
 
        ; clock -> low
        cbi PORTB,2
        ; set ser line
        cbi PORTD,6
-       sbrc hc595_source,7
+       sbrc hc595_source,0
        sbi PORTD,6
+.ifdef DEBUG_PORTS
+       ldi uart_rxtx,0x30
+       sbrc hc595_source,0
+       ldi uart_rxtx,0x31
+       rcall UART_TX
+.endif
        ; clock -> high
        sbi PORTB,2
 
@@ -58,8 +70,14 @@ SET_HC595:
        cbi PORTB,2
        ; set ser line
        cbi PORTD,6
-       sbrc hc595_source,6
+       sbrc hc595_source,1
        sbi PORTD,6
+.ifdef DEBUG_PORTS
+       ldi uart_rxtx,0x30
+       sbrc hc595_source,1
+       ldi uart_rxtx,0x31
+       rcall UART_TX
+.endif
        ; clock -> high
        sbi PORTB,2
 
@@ -67,8 +85,14 @@ SET_HC595:
        cbi PORTB,2
        ; set ser line
        cbi PORTD,6
-       sbrc hc595_source,5
+       sbrc hc595_source,2
        sbi PORTD,6
+.ifdef DEBUG_PORTS
+       ldi uart_rxtx,0x30
+       sbrc hc595_source,2
+       ldi uart_rxtx,0x31
+       rcall UART_TX
+.endif
        ; clock -> high
        sbi PORTB,2
 
@@ -76,8 +100,14 @@ SET_HC595:
        cbi PORTB,2
        ; set ser line
        cbi PORTD,6
-       sbrc hc595_source,4
+       sbrc hc595_source,3
        sbi PORTD,6
+.ifdef DEBUG_PORTS
+       ldi uart_rxtx,0x30
+       sbrc hc595_source,3
+       ldi uart_rxtx,0x31
+       rcall UART_TX
+.endif
        ; clock -> high
        sbi PORTB,2
 
@@ -85,8 +115,14 @@ SET_HC595:
        cbi PORTB,2
        ; set ser line
        cbi PORTD,6
-       sbrc hc595_source,3
+       sbrc hc595_source,4
        sbi PORTD,6
+.ifdef DEBUG_PORTS
+       ldi uart_rxtx,0x30
+       sbrc hc595_source,4
+       ldi uart_rxtx,0x31
+       rcall UART_TX
+.endif
        ; clock -> high
        sbi PORTB,2
 
@@ -94,8 +130,14 @@ SET_HC595:
        cbi PORTB,2
        ; set ser line
        cbi PORTD,6
-       sbrc hc595_source,2
+       sbrc hc595_source,5
        sbi PORTD,6
+.ifdef DEBUG_PORTS
+       ldi uart_rxtx,0x30
+       sbrc hc595_source,5
+       ldi uart_rxtx,0x31
+       rcall UART_TX
+.endif
        ; clock -> high
        sbi PORTB,2
 
@@ -103,8 +145,14 @@ SET_HC595:
        cbi PORTB,2
        ; set ser line
        cbi PORTD,6
-       sbrc hc595_source,1
+       sbrc hc595_source,6
        sbi PORTD,6
+.ifdef DEBUG_PORTS
+       ldi uart_rxtx,0x30
+       sbrc hc595_source,6
+       ldi uart_rxtx,0x31
+       rcall UART_TX
+.endif
        ; clock -> high
        sbi PORTB,2
 
@@ -112,8 +160,14 @@ SET_HC595:
        cbi PORTB,2
        ; set ser line
        cbi PORTD,6
-       sbrc hc595_source,0
+       sbrc hc595_source,7
        sbi PORTD,6
+.ifdef DEBUG_PORTS
+       ldi uart_rxtx,0x30
+       sbrc hc595_source,7
+       ldi uart_rxtx,0x31
+       rcall UART_TX
+.endif
        ; clock -> high
        sbi PORTB,2
 
@@ -125,6 +179,12 @@ SET_HC595:
        cbi PORTD,6
        sbrc hc595_sink,7
        sbi PORTD,6
+.ifdef DEBUG_PORTS
+       ldi uart_rxtx,0x30
+       sbrc hc595_sink,7
+       ldi uart_rxtx,0x31
+       rcall UART_TX
+.endif
        ; clock -> high
        sbi PORTB,2
        
@@ -134,6 +194,12 @@ SET_HC595:
        cbi PORTD,6
        sbrc hc595_sink,6
        sbi PORTD,6
+.ifdef DEBUG_PORTS
+       ldi uart_rxtx,0x30
+       sbrc hc595_sink,6
+       ldi uart_rxtx,0x31
+       rcall UART_TX
+.endif
        ; clock -> high
        sbi PORTB,2
        
@@ -143,6 +209,12 @@ SET_HC595:
        cbi PORTD,6
        sbrc hc595_sink,5
        sbi PORTD,6
+.ifdef DEBUG_PORTS
+       ldi uart_rxtx,0x30
+       sbrc hc595_sink,5
+       ldi uart_rxtx,0x31
+       rcall UART_TX
+.endif
        ; clock -> high
        sbi PORTB,2
        
@@ -152,6 +224,12 @@ SET_HC595:
        cbi PORTD,6
        sbrc hc595_sink,4
        sbi PORTD,6
+.ifdef DEBUG_PORTS
+       ldi uart_rxtx,0x30
+       sbrc hc595_sink,4
+       ldi uart_rxtx,0x31
+       rcall UART_TX
+.endif
        ; clock -> high
        sbi PORTB,2
        
@@ -161,6 +239,12 @@ SET_HC595:
        cbi PORTD,6
        sbrc hc595_sink,3
        sbi PORTD,6
+.ifdef DEBUG_PORTS
+       ldi uart_rxtx,0x30
+       sbrc hc595_sink,3
+       ldi uart_rxtx,0x31
+       rcall UART_TX
+.endif
        ; clock -> high
        sbi PORTB,2
        
@@ -170,6 +254,12 @@ SET_HC595:
        cbi PORTD,6
        sbrc hc595_sink,2
        sbi PORTD,6
+.ifdef DEBUG_PORTS
+       ldi uart_rxtx,0x30
+       sbrc hc595_sink,2
+       ldi uart_rxtx,0x31
+       rcall UART_TX
+.endif
        ; clock -> high
        sbi PORTB,2
        
@@ -179,6 +269,12 @@ SET_HC595:
        cbi PORTD,6
        sbrc hc595_sink,1
        sbi PORTD,6
+.ifdef DEBUG_PORTS
+       ldi uart_rxtx,0x30
+       sbrc hc595_sink,1
+       ldi uart_rxtx,0x31
+       rcall UART_TX
+.endif
        ; clock -> high
        sbi PORTB,2
        
@@ -188,6 +284,12 @@ SET_HC595:
        cbi PORTD,6
        sbrc hc595_sink,0
        sbi PORTD,6
+.ifdef DEBUG_PORTS
+       ldi uart_rxtx,0x30
+       sbrc hc595_sink,0
+       ldi uart_rxtx,0x31
+       rcall UART_TX
+.endif
        ; clock -> high
        sbi PORTB,2
        

diff --git a/led_plex/timer.asm b/led_plex/timer.asm
index c61967a..9ef24ac 100644 (file)
--- a/led_plex/timer.asm
+++ b/led_plex/timer.asm
@@ -3,11 +3,23 @@
 TIMER0_INIT:
 
        ; clock select
+.ifdef DEBUG_PORTS
+       ldi tmp1,0x03
+.else
        ldi tmp1,0x02
+.endif
        out TCCR0B,tmp1
 
        ret
 
+TIMER1_INIT:
+
+       ; clock select
+       ldi tmp1,0x04
+       out TCCR1B,tmp1
+
+       ret
+
 TIMER0_INT_INIT:
 
        ; overflow interrupt
@@ -16,3 +28,12 @@ TIMER0_INT_INIT:
 
        ret
 
+TIMER1_INT_INIT:
+
+       ; overflow interrupt
+       in tmp1,TIMSK
+       ori tmp1,(1<<7)
+       out TIMSK,tmp1
+
+       ret
+