1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
|
/* $Id$
* $URL$
*
* ST2205U-driven hacked picture frame driver.
* See http://picframe.spritesserver.nl/ for more info.
*
* Copyright (C) 2008 Jeroen Domburg <picframe@spritesmods.com>
* Modified from sample code by:
* Copyright (C) 2005 Michael Reinelt <michael@reinelt.co.at>
* Copyright (C) 2005, 2006, 2007 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
*
* This file is part of LCD4Linux.
*
* LCD4Linux 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.
*
* LCD4Linux 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.
*
*/
/*
*
* exported fuctions:
*
* struct DRIVER drv_st2205
*
*/
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <st2205.h>
#include "debug.h"
#include "cfg.h"
#include "qprintf.h"
#include "udelay.h"
#include "plugin.h"
#include "widget.h"
#include "widget_text.h"
#include "widget_icon.h"
#include "widget_bar.h"
#include "drv.h"
#include "drv_generic_graphic.h"
static char Name[] = "st2205";
/* libst2205 handle */
static st2205_handle *h;
/* Display data */
static unsigned char *fb;
static int drv_st2205_open(const char *section)
{
char *dev;
dev = cfg_get(section, "Port", NULL);
if (dev == NULL || *dev == '\0') {
error("st2205: no '%s.Port' entry from %s", section, cfg_source());
return -1;
}
h = st2205_open(dev);
if (h == NULL) {
error("st2205: cannot open st2205 device %s", dev);
return -1;
}
return 0;
}
static int drv_st2205_close(void)
{
st2205_close(h);
return 0;
}
static void drv_st2205_blit(const int row, const int col, const int height, const int width)
{
int r, c;
RGBA p;
for (r = row; r < row + height; r++) {
for (c = col; c < col + width; c++) {
p = drv_generic_graphic_rgb(r, c);
fb[(r * h->width + c) * 3 + 0] = p.R;
fb[(r * h->width + c) * 3 + 1] = p.G;
fb[(r * h->width + c) * 3 + 2] = p.B;
}
}
st2205_send_data(h, fb);
}
/* start graphic display */
static int drv_st2205_start2(const char *section)
{
char *s;
s = cfg_get(section, "Font", "6x8");
if (s == NULL || *s == '\0') {
error("%s: no '%s.Font' entry from %s", Name, section, cfg_source());
return -1;
}
XRES = -1;
YRES = -1;
if (sscanf(s, "%dx%d", &XRES, &YRES) != 2 || XRES < 1 || YRES < 1) {
error("%s: bad Font '%s' from %s", Name, s, cfg_source());
return -1;
}
/* Fixme: provider other fonts someday... */
if (XRES != 6 && YRES != 8) {
error("%s: bad Font '%s' from %s (only 6x8 at the moment)", Name, s, cfg_source());
return -1;
}
/* open communication with the display */
if (drv_st2205_open(section) < 0) {
return -1;
}
/* you surely want to allocate a framebuffer or something... */
fb = malloc(h->height * h->width * 3);
/* set width/height from st2205 firmware specs */
DROWS = h->width;
DCOLS = h->height;
return 0;
}
/****************************************/
/*** plugins ***/
/****************************************/
static void plugin_backlight(RESULT * result, RESULT * arg1)
{
int bl_on;
bl_on = (R2N(arg1) == 0 ? 0 : 1);
st2205_backlight(h, bl_on);
SetResult(&result, R_NUMBER, &bl_on);
}
/****************************************/
/*** widget callbacks ***/
/****************************************/
/* using drv_generic_text_draw(W) */
/* using drv_generic_text_icon_draw(W) */
/* using drv_generic_text_bar_draw(W) */
/* using drv_generic_gpio_draw(W) */
/****************************************/
/*** exported functions ***/
/****************************************/
/* list models */
int drv_st2205_list(void)
{
printf("generic");
return 0;
}
/* initialize driver & display */
int drv_st2205_init2(const char *section, const int quiet)
{
int ret;
/* real worker functions */
drv_generic_graphic_real_blit = drv_st2205_blit;
/* start display */
if ((ret = drv_st2205_start2(section)) != 0)
return ret;
/* initialize generic graphic driver */
if ((ret = drv_generic_graphic_init(section, Name)) != 0)
return ret;
if (!quiet) {
char buffer[40];
qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS);
if (drv_generic_graphic_greet(buffer, NULL)) {
sleep(3);
drv_generic_graphic_clear();
}
}
/* register plugins */
AddFunction("LCD::backlight", 1, plugin_backlight);
return 0;
}
/* close driver & display */
int drv_st2205_quit2(const int quiet)
{
info("%s: shutting down.", Name);
/* clear display */
drv_generic_graphic_clear();
/* say goodbye... */
if (!quiet) {
drv_generic_graphic_greet("goodbye!", NULL);
}
drv_generic_graphic_quit();
debug("closing connection");
drv_st2205_close();
return (0);
}
DRIVER drv_st2205 = {
.name = Name,
.list = drv_st2205_list,
.init = drv_st2205_init2,
.quit = drv_st2205_quit2,
};
|
