upm  0.4.1
Sensor/Actuator repository for libmraa (v0.8.0)
st7735.h
1 /*
2  * Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
3  * Copyright (c) 2014 Intel Corporation.
4  *
5  * Credits to Adafruit.
6  * Based on Adafruit ST7735 library, see original license in license.txt file.
7  *
8  * Permission is hereby granted, free of charge, to any person obtaining
9  * a copy of this software and associated documentation files (the
10  * "Software"), to deal in the Software without restriction, including
11  * without limitation the rights to use, copy, modify, merge, publish,
12  * distribute, sublicense, and/or sell copies of the Software, and to
13  * permit persons to whom the Software is furnished to do so, subject to
14  * the following conditions:
15  *
16  * The above copyright notice and this permission notice shall be
17  * included in all copies or substantial portions of the Software.
18  *
19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
20  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
22  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
23  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
24  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
25  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26  */
27 #pragma once
28 
29 #include <string>
30 #include <mraa/aio.hpp>
31 #include <mraa/common.hpp>
32 
33 #include <mraa/gpio.hpp>
34 
35 #include <mraa/spi.hpp>
36 #include <gfx.h>
37 
38 #define INITR_GREENTAB 0x0
39 #define INITR_REDTAB 0x1
40 #define INITR_BLACKTAB 0x2
41 
42 #define ST7735_TFTWIDTH 128
43 #define ST7735_TFTHEIGHT 160
44 
45 #define ST7735_NOP 0x00
46 #define ST7735_SWRESET 0x01
47 #define ST7735_RDDID 0x04
48 #define ST7735_RDDST 0x09
49 
50 #define ST7735_SLPIN 0x10
51 #define ST7735_SLPOUT 0x11
52 #define ST7735_PTLON 0x12
53 #define ST7735_NORON 0x13
54 
55 #define ST7735_INVOFF 0x20
56 #define ST7735_INVON 0x21
57 #define ST7735_DISPOFF 0x28
58 #define ST7735_DISPON 0x29
59 #define ST7735_CASET 0x2A
60 #define ST7735_RASET 0x2B
61 #define ST7735_RAMWR 0x2C
62 #define ST7735_RAMRD 0x2E
63 
64 #define ST7735_PTLAR 0x30
65 #define ST7735_COLMOD 0x3A
66 #define ST7735_MADCTL 0x36
67 
68 #define ST7735_FRMCTR1 0xB1
69 #define ST7735_FRMCTR2 0xB2
70 #define ST7735_FRMCTR3 0xB3
71 #define ST7735_INVCTR 0xB4
72 #define ST7735_DISSET5 0xB6
73 
74 #define ST7735_PWCTR1 0xC0
75 #define ST7735_PWCTR2 0xC1
76 #define ST7735_PWCTR3 0xC2
77 #define ST7735_PWCTR4 0xC3
78 #define ST7735_PWCTR5 0xC4
79 #define ST7735_VMCTR1 0xC5
80 
81 #define ST7735_RDID1 0xDA
82 #define ST7735_RDID2 0xDB
83 #define ST7735_RDID3 0xDC
84 #define ST7735_RDID4 0xDD
85 
86 #define ST7735_PWCTR6 0xFC
87 
88 #define ST7735_GMCTRP1 0xE0
89 #define ST7735_GMCTRN1 0xE1
90 
91 // Color definitions
92 #define ST7735_BLACK 0x0000
93 #define ST7735_BLUE 0x001F
94 #define ST7735_RED 0xF800
95 #define ST7735_GREEN 0x07E0
96 #define ST7735_CYAN 0x07FF
97 #define ST7735_MAGENTA 0xF81F
98 #define ST7735_YELLOW 0xFFE0
99 #define ST7735_WHITE 0xFFFF
100 
101 #define HIGH 1
102 #define LOW 0
103 
104 #define DELAY 0x80
105 
106 namespace upm {
107 
108 static const uint8_t Bcmd[] = {
109  // Initialization commands for 7735B screens
110  18, // 18 commands in list:
111  ST7735_SWRESET, DELAY, // 1: Software reset, no args, w/delay
112  50, // 50 ms delay
113  ST7735_SLPOUT , DELAY, // 2: Out of sleep mode, no args, w/delay
114  255, // 255 = 500 ms delay
115  ST7735_COLMOD , 1+DELAY, // 3: Set color mode, 1 arg + delay:
116  0x05, // 16-bit color
117  10, // 10 ms delay
118  ST7735_FRMCTR1, 3+DELAY, // 4: Frame rate control, 3 args + delay:
119  0x00, // fastest refresh
120  0x06, // 6 lines front porch
121  0x03, // 3 lines back porch
122  10, // 10 ms delay
123  ST7735_MADCTL , 1 , // 5: Memory access ctrl (directions), 1 arg:
124  0x08, // Row addr/col addr, bottom to top refresh
125  ST7735_DISSET5, 2 , // 6: Display settings #5, 2 args, no delay:
126  0x15, // 1 clk cycle nonoverlap, 2 cycle gate
127  // rise, 3 cycle osc equalize
128  0x02, // Fix on VTL
129  ST7735_INVCTR , 1 , // 7: Display inversion control, 1 arg:
130  0x0, // Line inversion
131  ST7735_PWCTR1 , 2+DELAY, // 8: Power control, 2 args + delay:
132  0x02, // GVDD = 4.7V
133  0x70, // 1.0uA
134  10, // 10 ms delay
135  ST7735_PWCTR2 , 1 , // 9: Power control, 1 arg, no delay:
136  0x05, // VGH = 14.7V, VGL = -7.35V
137  ST7735_PWCTR3 , 2 , // 10: Power control, 2 args, no delay:
138  0x01, // Opamp current small
139  0x02, // Boost frequency
140  ST7735_VMCTR1 , 2+DELAY, // 11: Power control, 2 args + delay:
141  0x3C, // VCOMH = 4V
142  0x38, // VCOML = -1.1V
143  10, // 10 ms delay
144  ST7735_PWCTR6 , 2 , // 12: Power control, 2 args, no delay:
145  0x11, 0x15,
146  ST7735_GMCTRP1,16 , // 13: Magical unicorn dust, 16 args, no delay:
147  0x09, 0x16, 0x09, 0x20, // (seriously though, not sure what
148  0x21, 0x1B, 0x13, 0x19, // these config values represent)
149  0x17, 0x15, 0x1E, 0x2B,
150  0x04, 0x05, 0x02, 0x0E,
151  ST7735_GMCTRN1,16+DELAY, // 14: Sparkles and rainbows, 16 args + delay:
152  0x0B, 0x14, 0x08, 0x1E, // (ditto)
153  0x22, 0x1D, 0x18, 0x1E,
154  0x1B, 0x1A, 0x24, 0x2B,
155  0x06, 0x06, 0x02, 0x0F,
156  10, // 10 ms delay
157  ST7735_CASET , 4 , // 15: Column addr set, 4 args, no delay:
158  0x00, 0x02, // XSTART = 2
159  0x00, 0x81, // XEND = 129
160  ST7735_RASET , 4 , // 16: Row addr set, 4 args, no delay:
161  0x00, 0x02, // XSTART = 1
162  0x00, 0x81, // XEND = 160
163  ST7735_NORON , DELAY, // 17: Normal display on, no args, w/delay
164  10, // 10 ms delay
165  ST7735_DISPON , DELAY, // 18: Main screen turn on, no args, w/delay
166  255 }, // 255 = 500 ms delay
167 
168  Rcmd1[] = { // Init for 7735R, part 1 (red or green tab)
169  15, // 15 commands in list:
170  ST7735_SWRESET, DELAY, // 1: Software reset, 0 args, w/delay
171  150, // 150 ms delay
172  ST7735_SLPOUT , DELAY, // 2: Out of sleep mode, 0 args, w/delay
173  255, // 500 ms delay
174  ST7735_FRMCTR1, 3 , // 3: Frame rate ctrl - normal mode, 3 args:
175  0x01, 0x2C, 0x2D, // Rate = fosc/(1x2+40) * (LINE+2C+2D)
176  ST7735_FRMCTR2, 3 , // 4: Frame rate control - idle mode, 3 args:
177  0x01, 0x2C, 0x2D, // Rate = fosc/(1x2+40) * (LINE+2C+2D)
178  ST7735_FRMCTR3, 6 , // 5: Frame rate ctrl - partial mode, 6 args:
179  0x01, 0x2C, 0x2D, // Dot inversion mode
180  0x01, 0x2C, 0x2D, // Line inversion mode
181  ST7735_INVCTR , 1 , // 6: Display inversion ctrl, 1 arg, no delay:
182  0x07, // No inversion
183  ST7735_PWCTR1 , 3 , // 7: Power control, 3 args, no delay:
184  0xA2,
185  0x02, // -4.6V
186  0x84, // AUTO mode
187  ST7735_PWCTR2 , 1 , // 8: Power control, 1 arg, no delay:
188  0xC5, // VGH25 = 2.4C VGSEL = -10 VGH = 3 * AVDD
189  ST7735_PWCTR3 , 2 , // 9: Power control, 2 args, no delay:
190  0x0A, // Opamp current small
191  0x00, // Boost frequency
192  ST7735_PWCTR4 , 2 , // 10: Power control, 2 args, no delay:
193  0x8A, // BCLK/2, Opamp current small & Medium low
194  0x2A,
195  ST7735_PWCTR5 , 2 , // 11: Power control, 2 args, no delay:
196  0x8A, 0xEE,
197  ST7735_VMCTR1 , 1 , // 12: Power control, 1 arg, no delay:
198  0x0E,
199  ST7735_INVOFF , 0 , // 13: Don't invert display, no args, no delay
200  ST7735_MADCTL , 1 , // 14: Memory access control (directions), 1 arg:
201  0xC8, // row addr/col addr, bottom to top refresh
202  ST7735_COLMOD , 1 , // 15: set color mode, 1 arg, no delay:
203  0x05 }, // 16-bit color
204 
205  Rcmd2green[] = { // Init for 7735R, part 2 (green tab only)
206  2, // 2 commands in list:
207  ST7735_CASET , 4 , // 1: Column addr set, 4 args, no delay:
208  0x00, 0x02, // XSTART = 0
209  0x00, 0x7F+0x02, // XEND = 127
210  ST7735_RASET , 4 , // 2: Row addr set, 4 args, no delay:
211  0x00, 0x01, // XSTART = 0
212  0x00, 0x9F+0x01 }, // XEND = 159
213  Rcmd2red[] = { // Init for 7735R, part 2 (red tab only)
214  2, // 2 commands in list:
215  ST7735_CASET , 4 , // 1: Column addr set, 4 args, no delay:
216  0x00, 0x00, // XSTART = 0
217  0x00, 0x7F, // XEND = 127
218  ST7735_RASET , 4 , // 2: Row addr set, 4 args, no delay:
219  0x00, 0x00, // XSTART = 0
220  0x00, 0x9F }, // XEND = 159
221 
222  Rcmd3[] = { // Init for 7735R, part 3 (red or green tab)
223  4, // 4 commands in list:
224  ST7735_GMCTRP1, 16 , // 1: Magical unicorn dust, 16 args, no delay:
225  0x02, 0x1c, 0x07, 0x12,
226  0x37, 0x32, 0x29, 0x2d,
227  0x29, 0x25, 0x2B, 0x39,
228  0x00, 0x01, 0x03, 0x10,
229  ST7735_GMCTRN1, 16 , // 2: Sparkles and rainbows, 16 args, no delay:
230  0x03, 0x1d, 0x07, 0x06,
231  0x2E, 0x2C, 0x29, 0x2D,
232  0x2E, 0x2E, 0x37, 0x3F,
233  0x00, 0x00, 0x02, 0x10,
234  ST7735_NORON , DELAY, // 3: Normal display on, no args, w/delay
235  10, // 10 ms delay
236  ST7735_DISPON , DELAY, // 4: Main screen turn on, no args w/delay
237  100 }; // 100 ms delay
238 
239 #define swap(a, b) { int16_t t = a; a = b; b = t; }
240 
241 const unsigned char font[] = {
242  0x00, 0x00, 0x00, 0x00, 0x00,
243  0x3E, 0x5B, 0x4F, 0x5B, 0x3E,
244  0x3E, 0x6B, 0x4F, 0x6B, 0x3E,
245  0x1C, 0x3E, 0x7C, 0x3E, 0x1C,
246  0x18, 0x3C, 0x7E, 0x3C, 0x18,
247  0x1C, 0x57, 0x7D, 0x57, 0x1C,
248  0x1C, 0x5E, 0x7F, 0x5E, 0x1C,
249  0x00, 0x18, 0x3C, 0x18, 0x00,
250  0xFF, 0xE7, 0xC3, 0xE7, 0xFF,
251  0x00, 0x18, 0x24, 0x18, 0x00,
252  0xFF, 0xE7, 0xDB, 0xE7, 0xFF,
253  0x30, 0x48, 0x3A, 0x06, 0x0E,
254  0x26, 0x29, 0x79, 0x29, 0x26,
255  0x40, 0x7F, 0x05, 0x05, 0x07,
256  0x40, 0x7F, 0x05, 0x25, 0x3F,
257  0x5A, 0x3C, 0xE7, 0x3C, 0x5A,
258  0x7F, 0x3E, 0x1C, 0x1C, 0x08,
259  0x08, 0x1C, 0x1C, 0x3E, 0x7F,
260  0x14, 0x22, 0x7F, 0x22, 0x14,
261  0x5F, 0x5F, 0x00, 0x5F, 0x5F,
262  0x06, 0x09, 0x7F, 0x01, 0x7F,
263  0x00, 0x66, 0x89, 0x95, 0x6A,
264  0x60, 0x60, 0x60, 0x60, 0x60,
265  0x94, 0xA2, 0xFF, 0xA2, 0x94,
266  0x08, 0x04, 0x7E, 0x04, 0x08,
267  0x10, 0x20, 0x7E, 0x20, 0x10,
268  0x08, 0x08, 0x2A, 0x1C, 0x08,
269  0x08, 0x1C, 0x2A, 0x08, 0x08,
270  0x1E, 0x10, 0x10, 0x10, 0x10,
271  0x0C, 0x1E, 0x0C, 0x1E, 0x0C,
272  0x30, 0x38, 0x3E, 0x38, 0x30,
273  0x06, 0x0E, 0x3E, 0x0E, 0x06,
274  0x00, 0x00, 0x00, 0x00, 0x00,
275  0x00, 0x00, 0x5F, 0x00, 0x00,
276  0x00, 0x07, 0x00, 0x07, 0x00,
277  0x14, 0x7F, 0x14, 0x7F, 0x14,
278  0x24, 0x2A, 0x7F, 0x2A, 0x12,
279  0x23, 0x13, 0x08, 0x64, 0x62,
280  0x36, 0x49, 0x56, 0x20, 0x50,
281  0x00, 0x08, 0x07, 0x03, 0x00,
282  0x00, 0x1C, 0x22, 0x41, 0x00,
283  0x00, 0x41, 0x22, 0x1C, 0x00,
284  0x2A, 0x1C, 0x7F, 0x1C, 0x2A,
285  0x08, 0x08, 0x3E, 0x08, 0x08,
286  0x00, 0x80, 0x70, 0x30, 0x00,
287  0x08, 0x08, 0x08, 0x08, 0x08,
288  0x00, 0x00, 0x60, 0x60, 0x00,
289  0x20, 0x10, 0x08, 0x04, 0x02,
290  0x3E, 0x51, 0x49, 0x45, 0x3E,
291  0x00, 0x42, 0x7F, 0x40, 0x00,
292  0x72, 0x49, 0x49, 0x49, 0x46,
293  0x21, 0x41, 0x49, 0x4D, 0x33,
294  0x18, 0x14, 0x12, 0x7F, 0x10,
295  0x27, 0x45, 0x45, 0x45, 0x39,
296  0x3C, 0x4A, 0x49, 0x49, 0x31,
297  0x41, 0x21, 0x11, 0x09, 0x07,
298  0x36, 0x49, 0x49, 0x49, 0x36,
299  0x46, 0x49, 0x49, 0x29, 0x1E,
300  0x00, 0x00, 0x14, 0x00, 0x00,
301  0x00, 0x40, 0x34, 0x00, 0x00,
302  0x00, 0x08, 0x14, 0x22, 0x41,
303  0x14, 0x14, 0x14, 0x14, 0x14,
304  0x00, 0x41, 0x22, 0x14, 0x08,
305  0x02, 0x01, 0x59, 0x09, 0x06,
306  0x3E, 0x41, 0x5D, 0x59, 0x4E,
307  0x7C, 0x12, 0x11, 0x12, 0x7C,
308  0x7F, 0x49, 0x49, 0x49, 0x36,
309  0x3E, 0x41, 0x41, 0x41, 0x22,
310  0x7F, 0x41, 0x41, 0x41, 0x3E,
311  0x7F, 0x49, 0x49, 0x49, 0x41,
312  0x7F, 0x09, 0x09, 0x09, 0x01,
313  0x3E, 0x41, 0x41, 0x51, 0x73,
314  0x7F, 0x08, 0x08, 0x08, 0x7F,
315  0x00, 0x41, 0x7F, 0x41, 0x00,
316  0x20, 0x40, 0x41, 0x3F, 0x01,
317  0x7F, 0x08, 0x14, 0x22, 0x41,
318  0x7F, 0x40, 0x40, 0x40, 0x40,
319  0x7F, 0x02, 0x1C, 0x02, 0x7F,
320  0x7F, 0x04, 0x08, 0x10, 0x7F,
321  0x3E, 0x41, 0x41, 0x41, 0x3E,
322  0x7F, 0x09, 0x09, 0x09, 0x06,
323  0x3E, 0x41, 0x51, 0x21, 0x5E,
324  0x7F, 0x09, 0x19, 0x29, 0x46,
325  0x26, 0x49, 0x49, 0x49, 0x32,
326  0x03, 0x01, 0x7F, 0x01, 0x03,
327  0x3F, 0x40, 0x40, 0x40, 0x3F,
328  0x1F, 0x20, 0x40, 0x20, 0x1F,
329  0x3F, 0x40, 0x38, 0x40, 0x3F,
330  0x63, 0x14, 0x08, 0x14, 0x63,
331  0x03, 0x04, 0x78, 0x04, 0x03,
332  0x61, 0x59, 0x49, 0x4D, 0x43,
333  0x00, 0x7F, 0x41, 0x41, 0x41,
334  0x02, 0x04, 0x08, 0x10, 0x20,
335  0x00, 0x41, 0x41, 0x41, 0x7F,
336  0x04, 0x02, 0x01, 0x02, 0x04,
337  0x40, 0x40, 0x40, 0x40, 0x40,
338  0x00, 0x03, 0x07, 0x08, 0x00,
339  0x20, 0x54, 0x54, 0x78, 0x40,
340  0x7F, 0x28, 0x44, 0x44, 0x38,
341  0x38, 0x44, 0x44, 0x44, 0x28,
342  0x38, 0x44, 0x44, 0x28, 0x7F,
343  0x38, 0x54, 0x54, 0x54, 0x18,
344  0x00, 0x08, 0x7E, 0x09, 0x02,
345  0x18, 0xA4, 0xA4, 0x9C, 0x78,
346  0x7F, 0x08, 0x04, 0x04, 0x78,
347  0x00, 0x44, 0x7D, 0x40, 0x00,
348  0x20, 0x40, 0x40, 0x3D, 0x00,
349  0x7F, 0x10, 0x28, 0x44, 0x00,
350  0x00, 0x41, 0x7F, 0x40, 0x00,
351  0x7C, 0x04, 0x78, 0x04, 0x78,
352  0x7C, 0x08, 0x04, 0x04, 0x78,
353  0x38, 0x44, 0x44, 0x44, 0x38,
354  0xFC, 0x18, 0x24, 0x24, 0x18,
355  0x18, 0x24, 0x24, 0x18, 0xFC,
356  0x7C, 0x08, 0x04, 0x04, 0x08,
357  0x48, 0x54, 0x54, 0x54, 0x24,
358  0x04, 0x04, 0x3F, 0x44, 0x24,
359  0x3C, 0x40, 0x40, 0x20, 0x7C,
360  0x1C, 0x20, 0x40, 0x20, 0x1C,
361  0x3C, 0x40, 0x30, 0x40, 0x3C,
362  0x44, 0x28, 0x10, 0x28, 0x44,
363  0x4C, 0x90, 0x90, 0x90, 0x7C,
364  0x44, 0x64, 0x54, 0x4C, 0x44,
365  0x00, 0x08, 0x36, 0x41, 0x00,
366  0x00, 0x00, 0x77, 0x00, 0x00,
367  0x00, 0x41, 0x36, 0x08, 0x00,
368  0x02, 0x01, 0x02, 0x04, 0x02,
369  0x3C, 0x26, 0x23, 0x26, 0x3C,
370  0x1E, 0xA1, 0xA1, 0x61, 0x12,
371  0x3A, 0x40, 0x40, 0x20, 0x7A,
372  0x38, 0x54, 0x54, 0x55, 0x59,
373  0x21, 0x55, 0x55, 0x79, 0x41,
374  0x21, 0x54, 0x54, 0x78, 0x41,
375  0x21, 0x55, 0x54, 0x78, 0x40,
376  0x20, 0x54, 0x55, 0x79, 0x40,
377  0x0C, 0x1E, 0x52, 0x72, 0x12,
378  0x39, 0x55, 0x55, 0x55, 0x59,
379  0x39, 0x54, 0x54, 0x54, 0x59,
380  0x39, 0x55, 0x54, 0x54, 0x58,
381  0x00, 0x00, 0x45, 0x7C, 0x41,
382  0x00, 0x02, 0x45, 0x7D, 0x42,
383  0x00, 0x01, 0x45, 0x7C, 0x40,
384  0xF0, 0x29, 0x24, 0x29, 0xF0,
385  0xF0, 0x28, 0x25, 0x28, 0xF0,
386  0x7C, 0x54, 0x55, 0x45, 0x00,
387  0x20, 0x54, 0x54, 0x7C, 0x54,
388  0x7C, 0x0A, 0x09, 0x7F, 0x49,
389  0x32, 0x49, 0x49, 0x49, 0x32,
390  0x32, 0x48, 0x48, 0x48, 0x32,
391  0x32, 0x4A, 0x48, 0x48, 0x30,
392  0x3A, 0x41, 0x41, 0x21, 0x7A,
393  0x3A, 0x42, 0x40, 0x20, 0x78,
394  0x00, 0x9D, 0xA0, 0xA0, 0x7D,
395  0x39, 0x44, 0x44, 0x44, 0x39,
396  0x3D, 0x40, 0x40, 0x40, 0x3D,
397  0x3C, 0x24, 0xFF, 0x24, 0x24,
398  0x48, 0x7E, 0x49, 0x43, 0x66,
399  0x2B, 0x2F, 0xFC, 0x2F, 0x2B,
400  0xFF, 0x09, 0x29, 0xF6, 0x20,
401  0xC0, 0x88, 0x7E, 0x09, 0x03,
402  0x20, 0x54, 0x54, 0x79, 0x41,
403  0x00, 0x00, 0x44, 0x7D, 0x41,
404  0x30, 0x48, 0x48, 0x4A, 0x32,
405  0x38, 0x40, 0x40, 0x22, 0x7A,
406  0x00, 0x7A, 0x0A, 0x0A, 0x72,
407  0x7D, 0x0D, 0x19, 0x31, 0x7D,
408  0x26, 0x29, 0x29, 0x2F, 0x28,
409  0x26, 0x29, 0x29, 0x29, 0x26,
410  0x30, 0x48, 0x4D, 0x40, 0x20,
411  0x38, 0x08, 0x08, 0x08, 0x08,
412  0x08, 0x08, 0x08, 0x08, 0x38,
413  0x2F, 0x10, 0xC8, 0xAC, 0xBA,
414  0x2F, 0x10, 0x28, 0x34, 0xFA,
415  0x00, 0x00, 0x7B, 0x00, 0x00,
416  0x08, 0x14, 0x2A, 0x14, 0x22,
417  0x22, 0x14, 0x2A, 0x14, 0x08,
418  0xAA, 0x00, 0x55, 0x00, 0xAA,
419  0xAA, 0x55, 0xAA, 0x55, 0xAA,
420  0x00, 0x00, 0x00, 0xFF, 0x00,
421  0x10, 0x10, 0x10, 0xFF, 0x00,
422  0x14, 0x14, 0x14, 0xFF, 0x00,
423  0x10, 0x10, 0xFF, 0x00, 0xFF,
424  0x10, 0x10, 0xF0, 0x10, 0xF0,
425  0x14, 0x14, 0x14, 0xFC, 0x00,
426  0x14, 0x14, 0xF7, 0x00, 0xFF,
427  0x00, 0x00, 0xFF, 0x00, 0xFF,
428  0x14, 0x14, 0xF4, 0x04, 0xFC,
429  0x14, 0x14, 0x17, 0x10, 0x1F,
430  0x10, 0x10, 0x1F, 0x10, 0x1F,
431  0x14, 0x14, 0x14, 0x1F, 0x00,
432  0x10, 0x10, 0x10, 0xF0, 0x00,
433  0x00, 0x00, 0x00, 0x1F, 0x10,
434  0x10, 0x10, 0x10, 0x1F, 0x10,
435  0x10, 0x10, 0x10, 0xF0, 0x10,
436  0x00, 0x00, 0x00, 0xFF, 0x10,
437  0x10, 0x10, 0x10, 0x10, 0x10,
438  0x10, 0x10, 0x10, 0xFF, 0x10,
439  0x00, 0x00, 0x00, 0xFF, 0x14,
440  0x00, 0x00, 0xFF, 0x00, 0xFF,
441  0x00, 0x00, 0x1F, 0x10, 0x17,
442  0x00, 0x00, 0xFC, 0x04, 0xF4,
443  0x14, 0x14, 0x17, 0x10, 0x17,
444  0x14, 0x14, 0xF4, 0x04, 0xF4,
445  0x00, 0x00, 0xFF, 0x00, 0xF7,
446  0x14, 0x14, 0x14, 0x14, 0x14,
447  0x14, 0x14, 0xF7, 0x00, 0xF7,
448  0x14, 0x14, 0x14, 0x17, 0x14,
449  0x10, 0x10, 0x1F, 0x10, 0x1F,
450  0x14, 0x14, 0x14, 0xF4, 0x14,
451  0x10, 0x10, 0xF0, 0x10, 0xF0,
452  0x00, 0x00, 0x1F, 0x10, 0x1F,
453  0x00, 0x00, 0x00, 0x1F, 0x14,
454  0x00, 0x00, 0x00, 0xFC, 0x14,
455  0x00, 0x00, 0xF0, 0x10, 0xF0,
456  0x10, 0x10, 0xFF, 0x10, 0xFF,
457  0x14, 0x14, 0x14, 0xFF, 0x14,
458  0x10, 0x10, 0x10, 0x1F, 0x00,
459  0x00, 0x00, 0x00, 0xF0, 0x10,
460  0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
461  0xF0, 0xF0, 0xF0, 0xF0, 0xF0,
462  0xFF, 0xFF, 0xFF, 0x00, 0x00,
463  0x00, 0x00, 0x00, 0xFF, 0xFF,
464  0x0F, 0x0F, 0x0F, 0x0F, 0x0F,
465  0x38, 0x44, 0x44, 0x38, 0x44,
466  0x7C, 0x2A, 0x2A, 0x3E, 0x14,
467  0x7E, 0x02, 0x02, 0x06, 0x06,
468  0x02, 0x7E, 0x02, 0x7E, 0x02,
469  0x63, 0x55, 0x49, 0x41, 0x63,
470  0x38, 0x44, 0x44, 0x3C, 0x04,
471  0x40, 0x7E, 0x20, 0x1E, 0x20,
472  0x06, 0x02, 0x7E, 0x02, 0x02,
473  0x99, 0xA5, 0xE7, 0xA5, 0x99,
474  0x1C, 0x2A, 0x49, 0x2A, 0x1C,
475  0x4C, 0x72, 0x01, 0x72, 0x4C,
476  0x30, 0x4A, 0x4D, 0x4D, 0x30,
477  0x30, 0x48, 0x78, 0x48, 0x30,
478  0xBC, 0x62, 0x5A, 0x46, 0x3D,
479  0x3E, 0x49, 0x49, 0x49, 0x00,
480  0x7E, 0x01, 0x01, 0x01, 0x7E,
481  0x2A, 0x2A, 0x2A, 0x2A, 0x2A,
482  0x44, 0x44, 0x5F, 0x44, 0x44,
483  0x40, 0x51, 0x4A, 0x44, 0x40,
484  0x40, 0x44, 0x4A, 0x51, 0x40,
485  0x00, 0x00, 0xFF, 0x01, 0x03,
486  0xE0, 0x80, 0xFF, 0x00, 0x00,
487  0x08, 0x08, 0x6B, 0x6B, 0x08,
488  0x36, 0x12, 0x36, 0x24, 0x36,
489  0x06, 0x0F, 0x09, 0x0F, 0x06,
490  0x00, 0x00, 0x18, 0x18, 0x00,
491  0x00, 0x00, 0x10, 0x10, 0x00,
492  0x30, 0x40, 0xFF, 0x01, 0x01,
493  0x00, 0x1F, 0x01, 0x01, 0x1E,
494  0x00, 0x19, 0x1D, 0x17, 0x12,
495  0x00, 0x3C, 0x3C, 0x3C, 0x3C,
496  0x00, 0x00, 0x00, 0x00, 0x00
497 };
498 
520 class ST7735 : public GFX {
521  public:
530  ST7735 (uint8_t csLCD, uint8_t cSD, uint8_t rs, uint8_t rst);
531 
535  std::string name()
536  {
537  return m_name;
538  }
539 
543  void initModule ();
544 
548  void configModule ();
549 
555  void write (uint8_t value);
556 
562  void data (uint8_t value);
563 
569  void executeCMDList (const uint8_t *addr);
570 
580  void setAddrWindow (uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1);
581 
589  void drawPixel (int16_t x, int16_t y, uint16_t color);
590 
594  void refresh ();
595 
599  mraa::Result lcdCSOn ();
600 
604  mraa::Result lcdCSOff ();
605 
609  mraa::Result sdCSOn ();
610 
614  mraa::Result sdCSOff ();
615 
619  mraa::Result rsHIGH ();
620 
624  mraa::Result rsLOW ();
625 
626  uint8_t m_map[160 * 128 * 2];
627  private:
628  mraa::Spi m_spi;
629  uint8_t m_spiBuffer[32];
630 
631  mraa::Gpio m_csLCDPinCtx;
632  mraa::Gpio m_cSDPinCtx;
633  mraa::Gpio m_rSTPinCtx;
634  mraa::Gpio m_rSPinCtx;
635 
636  std::string m_name;
637 };
638 
639 }
upm::ST7735::setAddrWindow
void setAddrWindow(uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1)
Definition: st7735.cxx:120
upm::ST7735::sdCSOn
mraa::Result sdCSOn()
Definition: st7735.cxx:220
upm::ST7735::configModule
void configModule()
Definition: st7735.cxx:165
upm::ST7735
API for the ST7735 LCD.
Definition: st7735.h:520
upm::ST7735::initModule
void initModule()
Definition: st7735.cxx:46
upm::GFX
GFX helper class.
Definition: gfx.h:42
upm::ST7735::name
std::string name()
Definition: st7735.h:535
upm::ST7735::data
void data(uint8_t value)
Definition: st7735.cxx:89
upm::ST7735::ST7735
ST7735(uint8_t csLCD, uint8_t cSD, uint8_t rs, uint8_t rst)
Definition: st7735.cxx:37
upm::ST7735::rsHIGH
mraa::Result rsHIGH()
Definition: st7735.cxx:249
upm::ST7735::executeCMDList
void executeCMDList(const uint8_t *addr)
Definition: st7735.cxx:95
upm::ST7735::sdCSOff
mraa::Result sdCSOff()
Definition: st7735.cxx:237
upm::ST7735::refresh
void refresh()
Definition: st7735.cxx:155
upm
Definition: a110x.h:33
upm::ST7735::write
void write(uint8_t value)
Definition: st7735.cxx:83
upm::ST7735::rsLOW
mraa::Result rsLOW()
Definition: st7735.cxx:261
upm::ST7735::lcdCSOn
mraa::Result lcdCSOn()
Definition: st7735.cxx:191
upm::ST7735::m_map
uint8_t m_map[160 *128 *2]
Definition: st7735.h:626
upm::ST7735::lcdCSOff
mraa::Result lcdCSOff()
Definition: st7735.cxx:208
upm::ST7735::drawPixel
void drawPixel(int16_t x, int16_t y, uint16_t color)
Definition: st7735.cxx:146
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