forked from zxfr/Pixels
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Pixels_TEMPLATE.h
164 lines (130 loc) · 4.78 KB
/
Pixels_TEMPLATE.h
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
/*
* Pixels. Graphics library for TFT displays.
*
* Copyright (C) 2012-2014
*
* The code is written in C/C++ for Arduino and can be easily ported to any microcontroller by rewritting the low level pin access functions.
*
* Text output methods of the library rely on Pixelmeister's font data format. See: http://pd4ml.com/pixelmeister
*
* This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/
*
* This library includes some code portions and algoritmic ideas derived from works of
* - Andreas Schiffler -- aschiffler at ferzkopp dot net (SDL_gfx Project)
* - K. Townsend http://microBuilder.eu (lpc1343codebase Project)
*/
// There are 5 TODO steps:
// 1. TODO replace all occurences of "TEMPLATE" pattern with a controller name (i.e. PIXELS_TEMPLATE_H -> PIXELS_SSD1289_H)
/*
* Pixels port to TEMPLATE controller
*/
#include "Pixels.h"
#ifndef PIXELS_TEMPLATE_H
#define PIXELS_TEMPLATE_H
#define PIXELS_MAIN
#if defined(PIXELS_ANTIALIASING_H)
#define PixelsBase PixelsAntialiased
#endif
class Pixels : public PixelsBase
#if defined(PIXELS_SPISW_H)
, public SPIsw
#elif defined(PIXELS_SPIHW_H)
, public SPIhw
#elif defined(PIXELS_PPI8_H)
, public PPI8
#elif defined(PIXELS_PPI16_H)
, public PPI16
#endif
{
protected:
void deviceWriteData(uint8_t high, uint8_t low) {
writeData(high, low);
}
int32_t setRegion(int16_t x1, int16_t y1, int16_t x2, int16_t y2);
void quickFill(int b, int16_t x1, int16_t y1, int16_t x2, int16_t y2);
void setFillDirection(uint8_t direction);
void scrollCmd();
public:
// 2. TODO Adjust device resolution and default pins below
Pixels() : PixelsBase(320, 480) {
scrollSupported = true;
setSpiPins(4, 3, 7, 5, 6); // dummy code in PPI case
setPpiPins(38, 39, 40, 41, 0); // dummy code in SPI case
}
Pixels(uint16_t width, uint16_t height) : PixelsBase( width, height) {
scrollSupported = true;
setSpiPins(4, 3, 7, 5, 6); // dummy code in PPI case
setPpiPins(38, 39, 40, 41, 0); // dummy code in SPI case
}
void init();
};
#if defined(PIXELS_ANTIALIASING_H)
#undef PixelsBase
#endif
void Pixels::init() {
initInterface();
chipSelect();
// 3. TODO put device initialization code here
// The simplest way would be to copy-paste it from a demo application (hopefully) came with the display module.
// Use existing device driver .h files as a command syntax reference
chipDeselect();
}
void Pixels::scrollCmd() {
int16_t s = (orientation > 1 ? deviceHeight - currentScroll : currentScroll) % deviceHeight;
// int16_t s = (orientation < 2 ? deviceHeight - currentScroll : currentScroll) % deviceHeight;
// 4. TODO put scrolling command(s) here. It is a rare case the code is given in demo applications or
// in alternative open source libraries. A datasheet usually helps.
// writeCmd(0x37);
// writeData(highByte(s));
// writeData(lowByte(s));
}
void Pixels::setFillDirection(uint8_t direction) {
fillDirection = direction;
}
void Pixels::quickFill (int color, int16_t x1, int16_t y1, int16_t x2, int16_t y2) {
int32_t counter = setRegion(x1, y1, x2, y2);
if( counter == 0 ) {
return;
}
registerSelect();
uint8_t lo = lowByte(color);
uint8_t hi = highByte(color);
for (int16_t i = 0; i < counter / 20; i++) {
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
writeData(hi, lo);
}
for (int32_t i = 0; i < counter % 20; i++) {
writeData(hi, lo);
}
}
int32_t Pixels::setRegion(int16_t x1, int16_t y1, int16_t x2, int16_t y2) {
Bounds bb(x1, y1, x2, y2);
if( !checkBounds(bb) ) {
return 0;
}
// 5. TODO put memory region bounds definition commands here. The code can be taken
// from a demo application, supplied with a device.
// writeCmd(0x2a);
// writeData(bb.x1>>8);
// ...
return (int32_t)(bb.x2 - bb.x1 + 1) * (bb.y2 - bb.y1 + 1);
}
#endif