Spi code

MAX7219_font.h

@@ -0,0 +1,123 @@
+// From https://github.com/nickgammon/MAX7219/MAX7219_font.h
+// MAX7219 class
+// Author: Nick Gammon
+// Date:   17 March 2015
+//
+// PERMISSION TO DISTRIBUTE
+// Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+// and associated documentation files (the "Software"), to deal in the Software without restriction,
+// including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+
+
+
+
+// NOTE blanks ensure line count matches calculated index in code
+
+
+
+
+
+
+
+
+// bit patterns for the letters / digits
+static const unsigned char  HYPHEN = 0b0000001;
+
+unsigned char MAX7219_font [91] = {
+   0b0000000, // ' '
+   0b0000001, // '!'
+   0b0000001, // '"'
+   0b0000001, // '#'
+   0b0000001, // '$'
+   0b0000001, // '%'
+   0b0000001, // '&'
+   0b0000001, // '''
+   0b1001110,       // '('   - same as [
+   0b1111000,       // ')'   - same as ]
+   0b0000001, // '*'
+   0b0000001, // '+'
+   0b0000001, // ','
+   0b0000001, // '-' - LOL *is* a hyphen
+   0b0000000,       // '.'  (done by turning DP on)
+   0b0000001, // '/'
+   0b1111110,       // '0'
+   0b0110000,       // '1'
+   0b1101101,       // '2'
+   0b1111001,       // '3'
+   0b0110011,       // '4'
+   0b1011011,       // '5'
+   0b1011111,       // '6'
+   0b1110000,       // '7'
+   0b1111111,       // '8'
+   0b1111011,       // '9'
+   0b0000001, // ':'
+   0b0000001, // ';'
+   0b0000001, // '<'
+   0b0000001, // '='
+   0b0000001, // '>'
+   0b0000001, // '?'
+   0b0000001, // '@'
+   0b1110111,       // 'A'
+   0b0011111,       // 'B'
+   0b1001110,       // 'C'  
+   0b0111101,       // 'D'
+   0b1001111,       // 'E'
+   0b1000111,       // 'F'
+   0b1011110,       // 'G'
+   0b0110111,       // 'H'
+   0b0110000,       // 'I' - same as 1
+   0b0111100,       // 'J'  
+   0b0000001, // 'K'
+   0b0001110,       // 'L'
+   0b0000001, // 'M'
+   0b0010101,       // 'N'
+   0b1111110,       // 'O' - same as 0
+   0b1100111,       // 'P'
+   0b0000001, // 'Q'
+   0b0000101,       // 'R'
+   0b1011011,       // 'S'
+   0b0000111,       // 'T'
+   0b0111110,       // 'U'
+   0b0000001, // 'V'
+   0b0000001, // 'W'
+   0b0000001, // 'X'
+   0b0100111,       // 'Y'
+   0b0000001, // 'Z'
+   0b1001110,       // '['  - same as C  
+   0b0000001, // backslash
+   0b1111000,       // ']' 
+   0b0000001, // '^'
+   0b0001000,       // '_'
+   0b0000001, // '`'
+   0b1111101,       // 'a'
+   0b0011111,       // 'b'
+   0b0001101,       // 'c'
+   0b0111101,       // 'd'
+   0b1001111,       // 'e'
+   0b1000111,       // 'f'
+   0b1011110,       // 'g'
+   0b0010111,       // 'h'
+   0b0010000,       // 'i' 
+   0b0111100,       // 'j'
+   0b0000001, // 'k'
+   0b0001110,       // 'l'
+   0b0000001, // 'm'
+   0b0010101,       // 'n'
+   0b1111110,       // 'o' - same as 0
+   0b1100111,       // 'p'
+   0b1110011, 		// 'q'
+   0b0000101,       // 'r'
+   0b1011011,       // 's'
+   0b0001111,       // 't'
+   0b0011100,       // 'u'
+   0b0000001, // 'v'
+   0b0000001, // 'w'
+   0b0000001, // 'x'
+   0b0100111,       // 'y'
+   0b0000001, // 'z'
+};  //  end of MAX7219_font

Makefile

@@ -1,4 +1,4 @@
 # Simple makefile for eps-lisp
-PROGRAM=*.c
+PROGRAM=esp-lisp
 include ../esp-open-rtos/common.mk