PICSimLab - Programmable IC Simulator Laboratory 0.9.2
PICSimLab - API
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bitbang_spi.h
1/* ########################################################################
2
3 PICSimLab - Programmable IC Simulator Laboratory
4
5 ########################################################################
6
7 Copyright (c) : 2020-2024 Luis Claudio Gambôa Lopes <lcgamboa@yahoo.com>
8
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2, or (at your option)
12 any later version.
13
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22
23 For e-mail suggestions : lcgamboa@yahoo.com
24 ######################################################################## */
25
26#ifndef BITBANG_SPI
27#define BITBANG_SPI
28
29class board;
30
31// operation status
32#define SPI_DATA 0x01
33#define SPI_BIT 0x02
34
35typedef struct {
36 unsigned char aclk;
37 unsigned int insr;
38 unsigned int outsr;
39 unsigned char bit;
40 unsigned int byte;
41 unsigned short status;
42 unsigned int data;
43 unsigned char ret;
44 unsigned char lenght;
45 unsigned int outbitmask;
46 unsigned int inmask;
47 // Controller
48 board* pboard;
49 int TimerID;
50 unsigned char ctrl_on;
51 unsigned char sck_pin;
52 unsigned char sck_value;
53 unsigned char copi_pin;
54 unsigned char copi_value;
55 unsigned char cipo_pin;
56 unsigned char cipo_value;
57 unsigned char cs_pin[3];
58 unsigned char cs_value[3];
59 unsigned char clkpc; // clock phase counter
60 unsigned char transmitting;
61} bitbang_spi_t;
62
63void bitbang_spi_init(bitbang_spi_t* spi, const unsigned char lenght = 8);
64void bitbang_spi_rst(bitbang_spi_t* spi);
65unsigned char bitbang_spi_get_status(bitbang_spi_t* spi);
66void bitbang_spi_send16(bitbang_spi_t* spi, const unsigned int data);
67void bitbang_spi_send8(bitbang_spi_t* spi, const unsigned char data);
68
69// peripheral
70unsigned char bitbang_spi_io(bitbang_spi_t* spi, const unsigned char clk, const unsigned char din,
71 const unsigned char cs);
72unsigned char bitbang_spi_io_(bitbang_spi_t* spi, const unsigned char** pins_value);
73
74// controller
75void bitbang_spi_ctrl_init(bitbang_spi_t* spi, board* pboard, const unsigned char lenght = 8);
76void bitbang_spi_ctrl_end(bitbang_spi_t* spi);
77
78void bitbang_spi_ctrl_write(bitbang_spi_t* spi, const unsigned char data);
79
80#endif // BITBANG_SPI
board
Board class.
Definition board.h:111
bitbang_spi_t
Definition bitbang_spi.h:35