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
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
|
/*
* This file is subject to the terms of the GFX License. If a copy of
* the license was not distributed with this file, you can obtain one at:
*
* http://ugfx.io/license.html
*/
/*
* Driver for display from Nokia 1616 phone
* based on the work of axillent@gmail.com (http://radiokot.ru/articles/53/)
* adapted by shilow@ukr.net with the help of Federico Reds <fede.677387@hotmail.it>
*/
#include "gfx.h"
#if GFX_USE_GDISP
#if defined(GDISP_SCREEN_HEIGHT) || defined(GDISP_SCREEN_HEIGHT)
#if GFX_COMPILER_WARNING_TYPE == GFX_COMPILER_WARNING_DIRECT
#warning "GDISP: This low level driver does not support setting a screen size. It is being ignored."
#elif GFX_COMPILER_WARNING_TYPE == GFX_COMPILER_WARNING_MACRO
COMPILER_WARNING("GDISP: This low level driver does not support setting a screen size. It is being ignored.")
#endif
#undef GDISP_SCREEN_WIDTH
#undef GDISP_SCREEN_HEIGHT
#endif
#include "gdisp_lld_config.h"
#include "../../../src/gdisp/gdisp_driver.h"
#include "board_SPFD54124B.h"
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
// Set parameters if they are not already set
#ifndef GDISP_SCREEN_HEIGHT
#define GDISP_SCREEN_HEIGHT 161
#endif
#ifndef GDISP_SCREEN_WIDTH
#define GDISP_SCREEN_WIDTH 129
#endif
/* Offset in RAM of visible area */
#ifndef GDISP_RAM_X_OFFSET
#define GDISP_RAM_X_OFFSET 2
#endif
/* Offset in RAM of visible area */
#ifndef GDISP_RAM_Y_OFFSET
#define GDISP_RAM_Y_OFFSET 1
#endif
#ifndef GDISP_SLEEP_POS
#define GDISP_SLEEP_POS ((GDISP_SCAN_LINES-GDISP_SLEEP_SIZE)/2 & ~3)
#endif
#ifndef GDISP_INITIAL_CONTRAST
#define GDISP_INITIAL_CONTRAST 50
#endif
#ifndef GDISP_INITIAL_BACKLIGHT
#define GDISP_INITIAL_BACKLIGHT 100
#endif
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local variables. */
/*===========================================================================*/
// Use the priv pointer itself to save our color. This save allocating ram for it
// and works provided sizeof(uint16_t) <= sizeof(void *)
#define savecolor(g) (*(uint16_t *)&g->priv)
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
// Some macros just to make reading the code easier
#define delayms(ms) gfxSleepMilliseconds(ms)
#define write_data2(g, d1, d2) { write_data(g, d1); write_data(g, d2); }
#define write_data3(g, d1, d2, d3) { write_data(g, d1); write_data(g, d2); write_data(g, d3); }
#define write_reg(g, cmd, d1) { write_index(g, cmd); write_data(g, d1); }
#define write_reg2(g, cmd, d1, d2) { write_index(g, cmd); write_data2(g, d1, d2); }
#define write_reg3(g, cmd, d1, d2, d3) { write_index(g, cmd); write_data3(g, d1, d2, d3); }
static GFXINLINE void set_viewport(GDisplay* g)
{
write_reg2(g, SPFD54124B_CMD_CASET, GDISP_RAM_X_OFFSET+g->p.x, GDISP_RAM_X_OFFSET+g->p.x+g->p.cx-1); // Column address set
write_reg2(g, SPFD54124B_CMD_RASET, GDISP_RAM_Y_OFFSET+g->p.y, GDISP_RAM_Y_OFFSET+g->p.y+g->p.cy-1); // Page address set
write_index(g, SPFD54124B_CMD_RAMWR);
}
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
const uint16_t lcd_init_list[] = {
SPFD54124B_CMD_SLPOUT,
SPFD54124B_CMD_COLMOD, SPFD54124B_SEND_DATA | SPFD54124B_CMD_COLMOD_MCU16bit,
SPFD54124B_CMD_DISPON,
SPFD54124B_CMD_INVOFF,
SPFD54124B_CMD_NORON
};
LLDSPEC gBool gdisp_lld_init(GDisplay *g)
{
// No private area for this controller
g->priv = 0;
// Initialise the board interface
init_board(g);
// Hardware reset
setpin_reset(g, gTrue);
delayms(100);
setpin_reset(g, gFalse);
delayms(100);
acquire_bus(g);
const uint16_t *list = &lcd_init_list[0];
uint8_t size = sizeof(lcd_init_list) / sizeof(lcd_init_list[0]);
while(size--) {
write_index(g, *list++);
}
// Finish Init
post_init_board(g);
release_bus(g);
// Turn on the back-light
set_backlight(g, GDISP_INITIAL_BACKLIGHT);
// Initialise the GDISP structure to match
g->g.Width = GDISP_SCREEN_WIDTH;
g->g.Height = GDISP_SCREEN_HEIGHT;
g->g.Orientation = gOrientation0;
g->g.Powermode = gPowerOn;
g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
g->g.Contrast = GDISP_INITIAL_CONTRAST;
return gTrue;
}
#if GDISP_HARDWARE_STREAM_WRITE
LLDSPEC void gdisp_lld_write_start(GDisplay *g)
{
acquire_bus(g);
set_viewport(g);
}
LLDSPEC void gdisp_lld_write_color(GDisplay *g)
{
write_data(g, gdispColor2Native(g->p.color));
}
LLDSPEC void gdisp_lld_write_stop(GDisplay *g)
{
release_bus(g);
}
#endif
#if GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL
LLDSPEC void gdisp_lld_control(GDisplay *g)
{
/* The hardware is capable of supporting...
* GDISP_CONTROL_POWER - supported
* GDISP_CONTROL_ORIENTATION - supported
* GDISP_CONTROL_BACKLIGHT - unsupported
* GDISP_CONTROL_CONTRAST - unsupported
*/
switch(g->p.x) {
case GDISP_CONTROL_POWER:
if (g->g.Powermode == (gPowermode)g->p.ptr)
return;
switch((gPowermode)g->p.ptr) {
case gPowerOff:
acquire_bus(g);
write_index(g, SPFD54124B_CMD_SLPIN);
release_bus(g);
break;
case gPowerOn:
acquire_bus(g);
write_index(g, SPFD54124B_CMD_SLPOUT);
delayms(20);
write_index(g, SPFD54124B_CMD_NORON);
release_bus(g);
break;
case gPowerSleep:
acquire_bus(g);
write_index(g, SPFD54124B_CMD_SLPOUT);
delayms(20);
release_bus(g);
break;
default:
return;
}
g->g.Powermode = (gPowermode)g->p.ptr;
return;
case GDISP_CONTROL_ORIENTATION:
if (g->g.Orientation == (gOrientation)g->p.ptr)
return;
switch((gOrientation)g->p.ptr) {
case gOrientation0:
acquire_bus(g);
write_index(g, SPFD54124B_CMD_MADCTR);
write_index(g, 0x0100);
release_bus(g);
g->g.Height = GDISP_SCREEN_HEIGHT;
g->g.Width = GDISP_SCREEN_WIDTH;
break;
case gOrientation90:
acquire_bus(g);
write_index(g, SPFD54124B_CMD_MADCTR);
write_index(g, 0x01A0);
release_bus(g);
g->g.Height = GDISP_SCREEN_WIDTH;
g->g.Width = GDISP_SCREEN_HEIGHT;
break;
case gOrientation180:
acquire_bus(g);
write_index(g, SPFD54124B_CMD_MADCTR);
write_index(g, 0x01C0);
release_bus(g);
g->g.Height = GDISP_SCREEN_HEIGHT;
g->g.Width = GDISP_SCREEN_WIDTH;
break;
case gOrientation270:
acquire_bus(g);
write_index(g, SPFD54124B_CMD_MADCTR);
write_index(g, 0x0160);
release_bus(g);
g->g.Height = GDISP_SCREEN_WIDTH;
g->g.Width = GDISP_SCREEN_HEIGHT;
break;
default:
// gOrientationPortrait and gOrientationLandscape are handled by the higher level code
return;
}
g->g.Orientation = (gOrientation)g->p.ptr;
return;
}
}
#endif
#endif /* GFX_USE_GDISP */
|
