ldd_max72xx.h

/* ########################################################################
 
   PICSimLab - Programmable IC Simulator Laboratory
 
   ########################################################################
 
   Copyright (c) : 2010-2026 Luis Claudio Gambôa Lopes <lcgamboa@yahoo.com>
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.
 
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
 
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
   For e-mail suggestions :  lcgamboa@yahoo.com
   ######################################################################## */
 
#ifndef LDD_MAX72XX
#define LDD_MAX72XX
 
#include "../lib/draw.h"
#include "bitbang_spi.h"
 
/* pinout
  1 DIN
  2 DIG0
  3 DIG4
  4 GND
  5 DIG6
  6 DIG2
  7 DIG3
  8 DIG7
  9 GND
  10 DIG5
  11 DIG1
  12 /CS
  13 CLK
  14 SEGA
  15 SEGF
  16 SEGB
  17 SEGG
  18 ISET
  19 VCC
  20 SEGC
  21 SEGE
  22 SEGDP
  23 SEGD
  24 DOUT
*/
 
typedef struct {
    unsigned char ram[8];
    bitbang_spi_t bb_spi;
    unsigned short ancs;
    unsigned short dat;
    unsigned char update;
    unsigned short dout;
} ldd_max72xx_t;
 
void ldd_max72xx_rst(ldd_max72xx_t* ldd);
void ldd_max72xx_init(ldd_max72xx_t* ldd);
void ldd_max72xx_update(ldd_max72xx_t* ldd);
 
unsigned char ldd_max72xx_io(ldd_max72xx_t* ldd, unsigned char din, unsigned char clk, unsigned char ncs);
 
void ldd_max72xx_draw(ldd_max72xx_t* ldd, const int id, CanvasCmd_ft CanvasCmd, int x1, int y1, int w1, int h1,
                      int picpwr, int angle, int mode);
 
#endif  // LDD_MAX72XX