Fri, 23 Sep 2016 21:12:43 +0200
attempt to update display by bloc
5 | 1 | /* mbed UniGraphic library - Device specific class |
2 | * Copyright (c) 2015 Peter Drescher | |
3 | * Released under the MIT License: http://mbed.org/license/mit | |
4 | */ | |
5 | ||
6 | #include "platform.h" | |
7 | #include "SSD1322.h" | |
8 | ||
9 | ////////////////////////////////////////////////////////////////////////////////// | |
10 | // display settings /////////////////////////////////////////////////////// | |
11 | ///////////////////////////////////////////////////////////////////////// | |
12 | ||
13 | #define IC_X_SEGS 480 // SSD1322 SEG has range 0-479 (479-0 if MX=1), check your datasheet, important for the orientation | |
14 | #define IC_Y_COMS 128 // SSD1322 COM has range 0-127 (127-0 if MY=1), check your datasheet, important for the orientation | |
15 | #define BPP 4 // SSD1322 has 16 gray levels | |
16 | ||
17 | #define SSD1322_CMD_ENABLE_GRAY_SCALE_TABLE 0x00 | |
18 | #define SSD1322_CMD_SET_COLUMN_ADDR 0x15 | |
19 | #define SSD1322_CMD_WRITE_RAM 0x5C | |
20 | #define SSD1322_CMD_READ_RAM 0x5D | |
21 | #define SSD1322_CMD_SET_ROW_ADDR 0x75 | |
22 | #define SSD1322_CMD_SET_REMAP 0xA0 | |
23 | #define SSD1322_CMD_SET_DISPLAY_START_LINE 0xA1 | |
24 | #define SSD1322_CMD_SET_DISPLAY_OFFSET 0xA2 | |
25 | #define SSD1322_CMD_SET_DISPLAY_MODE_OFF 0xA4 | |
26 | #define SSD1322_CMD_SET_DISPLAY_MODE_ON 0xA5 | |
27 | #define SSD1322_CMD_SET_DISPLAY_MODE_NORMAL 0xA6 | |
28 | #define SSD1322_CMD_SET_DISPLAY_MODE_INVERSE 0xA7 | |
29 | #define SSD1322_CMD_ENABLE_PARTIAL_DISPLAY 0xA8 | |
30 | #define SSD1322_CMD_EXIT_PARTIAL_DISPLAY 0xA9 | |
31 | #define SSD1322_CMD_SET_FUNCTION_SELECTION 0xAB | |
32 | #define SSD1322_CMD_SET_DISPLAY_OFF 0xAE | |
33 | #define SSD1322_CMD_SET_DISPLAY_ON 0xAF | |
34 | #define SSD1322_CMD_SET_PHASE_LENGTH 0xB1 | |
35 | #define SSD1322_CMD_SET_CLOCK_DIVIDER 0xB3 | |
36 | #define SSD1322_CMD_DISPLAY_ENHANCEMENT 0xB4 | |
37 | #define SSD1322_CMD_SET_GPIO 0xB5 | |
38 | #define SSD1322_CMD_SET_SECOND_PRECHARGE_PERIOD 0xB6 | |
39 | #define SSD1322_CMD_SET_GRAY_SCALE_TABLE 0xB8 | |
40 | #define SSD1322_CMD_SET_DEFAULT_LINEAR_GRAY_SCALE_TABLE 0xB9 | |
41 | #define SSD1322_CMD_SET_PRECHARGE_VOLTAGE 0xBB | |
42 | #define SSD1322_CMD_SET_VCOMH_VOLTAGE 0xBE | |
43 | #define SSD1322_CMD_SET_CONTRAST_CURRENT 0xC1 | |
44 | #define SSD1322_CMD_MASTER_CURRENT_CONTROL 0xC7 | |
45 | #define SSD1322_CMD_SET_MULTIPLEX_RATIO 0xCA | |
46 | #define SSD1322_CMD_DISPLAY_ENHANCEMENT_B 0xD1 | |
47 | #define SSD1322_CMD_SET_COMMAND_LOCK 0xFD | |
48 | ||
49 | // set for some OLED displays | |
50 | //#define ALTERNATE_OLED_VERSION | |
51 | ||
52 | ||
53 | static const uint8_t oledInit[] = { | |
54 | SSD1322_CMD_SET_COMMAND_LOCK, 1, 0x12, /* Unlock OLED driver IC*/ | |
55 | SSD1322_CMD_SET_DISPLAY_OFF, 0, | |
56 | SSD1322_CMD_SET_CLOCK_DIVIDER, 1, 0x91, | |
57 | SSD1322_CMD_SET_MULTIPLEX_RATIO, 1, 0x3F, /*duty = 1/64*,64 COMS are enabled*/ | |
58 | SSD1322_CMD_SET_DISPLAY_OFFSET, 1, 0x00, | |
59 | SSD1322_CMD_SET_DISPLAY_START_LINE, 1, 0x00, /*set start line position*/ | |
60 | SSD1322_CMD_SET_REMAP, 2, 0x14, // Horizontal address increment, | |
61 | // Disable Column Address Re-map, | |
62 | // Enable Nibble Re-map,Scan from COM[N-1] to COM0, | |
63 | // Disable COM Split Odd Even | |
64 | 0x11, // Enable Dual COM mode | |
65 | SSD1322_CMD_SET_GPIO, 1, 0x00, | |
66 | SSD1322_CMD_SET_FUNCTION_SELECTION, 1, 0x01, /* selection external VDD */ | |
67 | SSD1322_CMD_DISPLAY_ENHANCEMENT, 2, 0xA0, /* enables the external VSL*/ | |
68 | 0xfd, /* 0xfd,Enhanced low GS display quality;default is 0xb5(normal),*/ | |
69 | SSD1322_CMD_SET_CONTRAST_CURRENT, 1, 0xff, /* default is 0x7f*/ | |
70 | SSD1322_CMD_MASTER_CURRENT_CONTROL, 1, 0x0f, | |
71 | /* writeCommand(0xB9); GRAY TABLE,linear Gray Scale*/ | |
72 | SSD1322_CMD_SET_PHASE_LENGTH, 1, 0xE2, /*default is 0x74*/ | |
73 | SSD1322_CMD_DISPLAY_ENHANCEMENT_B, 2, 0x82, 0x20, | |
74 | #ifdef ALTERNATE_OLED_VERSION | |
75 | SSD1322_CMD_SET_PRECHARGE_VOLTAGE, 1, 0x08, /* 0.3xVcc */ | |
76 | SSD1322_CMD_SET_SECOND_PRECHARGE_PERIOD, 1, 0x0F, /* 15 clocks */ | |
77 | #else | |
78 | SSD1322_CMD_SET_PRECHARGE_VOLTAGE, 1, 0x1F, /* 0.6xVcc */ | |
79 | SSD1322_CMD_SET_SECOND_PRECHARGE_PERIOD, 1, 0x08, /* default */ | |
80 | #endif | |
81 | SSD1322_CMD_SET_VCOMH_VOLTAGE, 1, 0x07, /*0.86xVcc;default is 0x04*/ | |
82 | SSD1322_CMD_SET_DISPLAY_MODE_NORMAL, 0, | |
83 | SSD1322_CMD_SET_DISPLAY_ON, 0 | |
84 | }; | |
85 | ||
86 | ||
87 | //////////////////////////////////////////////////////////////////////////////////////// | |
88 | //////////////////////////////////////////////////////////////////////////////////////// | |
89 | //////////////////////////////////////////////////////////////////////////////////////// | |
90 | ||
91 | ||
92 | //#include "mbed_debug.h" | |
93 | ||
94 | #define SWAP(a, b) { a ^= b; b ^= a; a ^= b; } | |
95 | ||
96 | ||
97 | SSD1322::SSD1322(proto_t displayproto, | |
98 | int Hz, PinName mosi, PinName miso, PinName sclk, PinName CS, PinName reset, PinName DC, | |
99 | const char *name, | |
100 | const unsigned int lcdsize_x, const unsigned int lcdsize_y) | |
101 | : GraphicsDisplay(name), | |
102 | screensize_X(lcdsize_x), screensize_Y(lcdsize_y), | |
103 | _BPP(BPP), _PAGES(lcdsize_y/8*BPP), | |
104 | _IC_X_SEGS(IC_X_SEGS), _IC_Y_COMS(IC_Y_COMS), _IC_PAGES(IC_Y_COMS/8*BPP) | |
105 | { | |
106 | proto = new SPI8(Hz, mosi, miso, sclk, CS, reset, DC); | |
107 | buffer = (unsigned char*) malloc (screensize_X*_PAGES); | |
108 | set_auto_up(false); | |
109 | foreground(0xFFFF); | |
110 | background(0x0000); | |
111 | hw_reset(); | |
112 | bus_enable(true); | |
113 | init(); | |
114 | set_orientation(1); | |
115 | cls(); | |
116 | locate(0,0); | |
117 | } | |
118 | ||
119 | SSD1322::~SSD1322() | |
120 | { | |
121 | free(buffer); | |
122 | } | |
123 | ||
124 | void SSD1322::wr_cmd8(unsigned char cmd) | |
125 | { | |
126 | proto->wr_cmd8(cmd); | |
127 | } | |
128 | ||
129 | void SSD1322::wr_data8(unsigned char data) | |
130 | { | |
131 | proto->wr_data8(data); | |
132 | } | |
133 | ||
134 | void SSD1322::wr_cmd16(unsigned short cmd) | |
135 | { | |
136 | proto->wr_cmd16(cmd); | |
137 | } | |
138 | ||
139 | void SSD1322::wr_gram(unsigned short data, unsigned int count) | |
140 | { | |
141 | proto->wr_gram(data, count); | |
142 | } | |
143 | ||
144 | void SSD1322::wr_grambuf(unsigned short* data, unsigned int lenght) | |
145 | { | |
146 | proto->wr_grambuf(data, lenght); | |
147 | } | |
148 | ||
149 | void SSD1322::hw_reset() | |
150 | { | |
151 | proto->hw_reset(); | |
152 | } | |
153 | ||
154 | void SSD1322::bus_enable(bool enable) | |
155 | { | |
156 | proto->BusEnable(enable); | |
157 | } | |
158 | ||
159 | ||
160 | ||
161 | // monochrome SSD1322 driver ICs does not have ram rotate in hw (swap raw<->columns) like TFT displays | |
162 | // for portrait views, XY swap will be done in sw in pixel() function | |
163 | void SSD1322::set_orientation(int o) | |
164 | { | |
165 | orientation = o; | |
166 | if (o & 0x01) { | |
167 | set_width(screensize_X); | |
168 | set_height(screensize_Y); | |
169 | } else { | |
170 | set_width(screensize_Y); | |
171 | set_height(screensize_X); | |
172 | } | |
173 | switch (o) { | |
174 | case (0):// portrait view -90° | |
175 | mirrorXY(Y); | |
176 | break; | |
177 | case (1): // default, landscape view 0° | |
178 | mirrorXY(NONE); | |
179 | break; | |
180 | case (2):// portrait view +90° | |
181 | mirrorXY(X); | |
182 | break; | |
183 | case (3):// landscape view +180° | |
184 | mirrorXY(XY); | |
185 | break; | |
186 | } | |
187 | } | |
188 | ||
189 | void SSD1322::mirrorXY(mirror_t mode) | |
190 | { | |
191 | // Horizontal address increment, | |
192 | // Disable Column Address Re-map, | |
193 | // Enable Nibble Re-map,Scan from COM[N-1] to COM0, | |
194 | // Disable COM Split Odd Even | |
195 | // Enable Dual COM mode | |
196 | unsigned char d; | |
197 | switch (mode) | |
198 | { | |
199 | case(NONE): | |
200 | d = 0x14; | |
201 | break; | |
202 | case(X): | |
203 | d = 0x10; | |
204 | break; | |
205 | case(Y): | |
206 | d = 0x16; | |
207 | break; | |
208 | case(XY): | |
209 | d = 0x12; | |
210 | break; | |
211 | } | |
212 | wr_cmd8(SSD1322_CMD_SET_REMAP); | |
213 | wr_data8(d); | |
214 | wr_data8(0x11); | |
215 | } | |
216 | ||
217 | void SSD1322::invert(unsigned char o) | |
218 | { | |
219 | if(o == 0) wr_cmd8(0xA6); | |
220 | else wr_cmd8(0xA7); | |
221 | } | |
222 | ||
223 | void SSD1322::set_contrast(int o) | |
224 | { | |
225 | contrast = o; | |
226 | ||
227 | wr_cmd8(SSD1322_CMD_SET_CONTRAST_CURRENT); | |
228 | wr_data8(o&0xFF); | |
229 | } | |
230 | ||
231 | int SSD1322::get_contrast(void) | |
232 | { | |
233 | return(contrast); | |
234 | } | |
235 | void SSD1322::window(int x, int y, int w, int h) { | |
236 | // current pixel location | |
237 | cur_x = x; | |
238 | cur_y = y; | |
239 | // window settings | |
240 | win_x1 = x; | |
241 | win_x2 = x + w - 1; | |
242 | win_y1 = y; | |
243 | win_y2 = y + h - 1; | |
244 | } | |
245 | void SSD1322::window_pushpixel(unsigned short color) { | |
246 | pixel(cur_x, cur_y, color); | |
247 | cur_x++; | |
248 | if(cur_x > win_x2) { | |
249 | cur_x = win_x1; | |
250 | cur_y++; | |
251 | if(cur_y > win_y2) { | |
252 | cur_y = win_y1; | |
253 | } | |
254 | } | |
255 | } | |
256 | void SSD1322::window_pushpixel(unsigned short color, unsigned int count) { | |
257 | while(count) | |
258 | { | |
259 | pixel(cur_x, cur_y, color); | |
260 | cur_x++; | |
261 | if(cur_x > win_x2) | |
262 | { | |
263 | cur_x = win_x1; | |
264 | cur_y++; | |
265 | if(cur_y > win_y2) | |
266 | { | |
267 | cur_y = win_y1; | |
268 | } | |
269 | } | |
270 | count--; | |
271 | } | |
272 | } | |
273 | void SSD1322::window_pushpixelbuf(unsigned short* color, unsigned int lenght) { | |
274 | while(lenght) | |
275 | { | |
276 | pixel(cur_x, cur_y, *color++); | |
277 | cur_x++; | |
278 | if(cur_x > win_x2) | |
279 | { | |
280 | cur_x = win_x1; | |
281 | cur_y++; | |
282 | if(cur_y > win_y2) | |
283 | { | |
284 | cur_y = win_y1; | |
285 | } | |
286 | } | |
287 | lenght--; | |
288 | } | |
289 | } | |
290 | ||
291 | unsigned short SSD1322::pixelpos(int x, int y) | |
292 | { | |
293 | if(!(orientation&1)) SWAP(x,y); | |
294 | // first check parameter | |
295 | if((x >= screensize_X) || (y >= screensize_Y)) return 0; | |
296 | ||
297 | unsigned short page = y * _BPP / 8; | |
298 | return (x + page*screensize_X); | |
299 | } | |
300 | ||
301 | void SSD1322::pixel(int x, int y, unsigned short color) | |
302 | { | |
303 | if(!(orientation&1)) SWAP(x,y); | |
304 | // first check parameter | |
305 | if((x >= screensize_X) || (y >= screensize_Y)) return; | |
306 | ||
307 | /* | |
308 | unsigned short page = y * _BPP / 8; | |
309 | unsigned char pos = y & ((8 / _BPP) - 1); // position in page | |
310 | unsigned char mask = (( 1 << _BPP) - 1); | |
311 | ||
312 | buffer[(x + page*screensize_X)] = (buffer[(x + page*screensize_X)] & ~(mask<<(pos*_BPP))) | ((color&mask)<<(pos*_BPP)); | |
313 | */ | |
314 | ||
315 | unsigned char cval = buffer[(y*128) + x/2]; | |
316 | if (x&1) { | |
317 | cval = (cval & 0xF0) | (color & 0x0F); | |
318 | } else { | |
319 | cval = (cval & 0x0F) | (color & 0x0F)<<4; | |
320 | } | |
321 | buffer[(y*128) + x/2] = cval; | |
322 | } | |
323 | ||
324 | unsigned short SSD1322::pixelread(int x, int y) | |
325 | { | |
326 | if(!(orientation&1)) SWAP(x,y); | |
327 | // first check parameter | |
328 | if((x >= screensize_X) || (y >= screensize_Y)) return 0; | |
329 | ||
330 | unsigned short page = y * _BPP / 8; | |
331 | unsigned char pos = y & ((8 / _BPP) - 1); // position in page | |
332 | unsigned char mask = (( 1 << _BPP) - 1); | |
333 | ||
334 | //FAUX | |
335 | return (buffer[(x + page*screensize_X)]); // = (buffer[(x + page*screensize_X)] & ~(mask<<(pos*_BPP))) | ((color&mask)<<(pos*_BPP)); | |
336 | } | |
337 | ||
338 | ||
339 | ||
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[SSD1322] add a copy_to_lcd method that accepts an area
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340 | // Set row address 0~64 |
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341 | void SSD1322::set_row_address(unsigned char start_row, unsigned char end_row) |
5 | 342 | { |
343 | wr_cmd8(SSD1322_CMD_SET_ROW_ADDR); | |
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344 | start_row &= 0x3F; |
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345 | wr_data8(start_row); |
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346 | end_row &= 0x3F; |
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347 | wr_data8(end_row); |
5 | 348 | } |
349 | ||
350 | // Set col address 0~64 for Gray mode) | |
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351 | void SSD1322::set_column_address(unsigned char start_col, unsigned char end_col) |
5 | 352 | { |
353 | wr_cmd8(SSD1322_CMD_SET_COLUMN_ADDR); | |
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354 | start_col = (start_col & 0x3F) + 0x1C; |
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355 | wr_data8(start_col); // where does this 0x1C (28) comes from??? |
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356 | end_col = (end_col & 0x3F) + 0x1C; |
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357 | wr_data8(end_col); |
5 | 358 | } |
359 | ||
360 | void SSD1322::copy_to_lcd(void) | |
361 | { | |
362 | unsigned int i; | |
363 | unsigned char x, y; | |
364 | ||
365 | set_row_address(0); | |
366 | set_column_address(0); | |
367 | ||
368 | i = 0; | |
369 | wr_cmd8(SSD1322_CMD_WRITE_RAM); | |
370 | for(y=0; y<64; y++) | |
371 | for(x=0; x<128; x++) | |
372 | wr_data8(buffer[i++]); | |
373 | } | |
374 | ||
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375 | void SSD1322::copy_to_lcd(unsigned char from_col, unsigned char to_col, |
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376 | unsigned char from_row, unsigned char to_row) |
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377 | { |
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378 | unsigned char x, y; |
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379 | |
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380 | if (to_col>0x3F) |
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381 | to_col = 0x3F; |
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382 | if (to_row>0x3F) |
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383 | to_row = 0x3F; |
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[SSD1322] add a copy_to_lcd method that accepts an area
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384 | set_row_address(from_row, to_row); |
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[SSD1322] add a copy_to_lcd method that accepts an area
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385 | set_column_address(from_col, to_col); |
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386 | |
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387 | wr_cmd8(SSD1322_CMD_WRITE_RAM); |
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388 | for(y=from_row; y<=to_row; y++) { |
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[SSD1322] add a copy_to_lcd method that accepts an area
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parents:
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389 | for(x=from_col; x<=to_col; x++) { |
8cb67d7afd79
[SSD1322] add a copy_to_lcd method that accepts an area
David Douard <david.douard@logilab.fr>
parents:
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390 | wr_data8(buffer[y*128 + 2*x]); |
8cb67d7afd79
[SSD1322] add a copy_to_lcd method that accepts an area
David Douard <david.douard@logilab.fr>
parents:
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391 | wr_data8(buffer[y*128 + 2*x + 1]); |
8cb67d7afd79
[SSD1322] add a copy_to_lcd method that accepts an area
David Douard <david.douard@logilab.fr>
parents:
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392 | } |
8cb67d7afd79
[SSD1322] add a copy_to_lcd method that accepts an area
David Douard <david.douard@logilab.fr>
parents:
5
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393 | } |
8cb67d7afd79
[SSD1322] add a copy_to_lcd method that accepts an area
David Douard <david.douard@logilab.fr>
parents:
5
diff
changeset
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394 | } |
8cb67d7afd79
[SSD1322] add a copy_to_lcd method that accepts an area
David Douard <david.douard@logilab.fr>
parents:
5
diff
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395 | |
5 | 396 | unsigned long SSD1322::buffaddr(unsigned int i) |
397 | { | |
398 | return (unsigned long) &(buffer[i]); | |
399 | } | |
400 | ||
401 | void SSD1322::clrbuff(const unsigned char value) | |
402 | { | |
403 | memset(buffer, value, screensize_X*_PAGES); | |
404 | } | |
405 | ||
406 | void SSD1322::fills(const unsigned char value) | |
407 | { | |
408 | clrbuff(value); | |
409 | copy_to_lcd(); | |
410 | } | |
411 | ||
412 | void SSD1322::cls(void) | |
413 | { | |
414 | clrbuff(); | |
415 | copy_to_lcd(); | |
416 | } | |
417 | ||
418 | //void ll_fill(const unsigned char value=0xFF, const unsigned char w=0x78, const unsigned char=0x80); | |
419 | void SSD1322::ll_fill(const unsigned char value, const unsigned char w, const unsigned char h) | |
420 | { | |
421 | unsigned short x,y; | |
422 | //w = 0x78; // 120 x 2px by byte => 240px | |
423 | //h = 0x80; // 0x80 for 64 rows because 2 COMs mode | |
424 | ||
425 | wr_cmd8(0x15); // COL ADDR | |
426 | wr_data8(0x00); | |
427 | wr_data8(w-1); | |
428 | ||
429 | wr_cmd8(0x75); // ROW ADDR | |
430 | wr_data8(0x00); | |
431 | wr_data8(h-1); | |
432 | ||
433 | wr_cmd8(0x5C); // WRITE RAM | |
434 | for(y=0; y<h/2; y++) | |
435 | { | |
436 | for(x=0; x<2*w; x++) | |
437 | { | |
438 | if ((y==0) | (y==(h/2-1))) | |
439 | wr_data8(0xFF); | |
440 | else if (x == 56) // ???? | |
441 | wr_data8(0xF2); | |
442 | else if (x == 183) | |
443 | //else if (x == (2*w-1)) | |
444 | wr_data8(0x2F); | |
445 | else if ((x%10) == 0) | |
446 | wr_data8(0x55); | |
447 | else if ((x%5) == 0) | |
448 | wr_data8(0x33); | |
449 | else | |
450 | wr_data8(0x22); | |
451 | } | |
452 | } | |
453 | } | |
454 | ||
455 | int SSD1322::sizeX() | |
456 | { | |
457 | return screensize_X; | |
458 | } | |
459 | int SSD1322::sizeY() | |
460 | { | |
461 | return screensize_Y; | |
462 | } | |
463 | ||
464 | // reset and init the lcd controller | |
465 | void SSD1322::init() | |
466 | { | |
467 | /* Start Initial Sequence ----------------------------------------------------*/ | |
468 | for (uint16_t ind=0; ind < sizeof(oledInit); ) { | |
469 | wr_cmd8(oledInit[ind++]); | |
470 | uint8_t dataSize = oledInit[ind++]; | |
471 | while (dataSize--) { | |
472 | wr_data8(oledInit[ind++]); | |
473 | } | |
474 | } | |
475 | } | |
476 | ||
477 | void SSD1322::loop_event(void) { | |
478 | if (loop_pos >= 64) | |
479 | loop_pos = 0; | |
480 | set_row_address(loop_pos); | |
481 | set_column_address(0); | |
482 | wr_cmd8(SSD1322_CMD_WRITE_RAM); | |
483 | ||
484 | for(uint8_t i=0; i<128; i++) | |
485 | wr_data8(buffer[loop_pos*64+i]); | |
486 | } | |
487 | ||
488 | void SSD1322::start_loop(float tick) { | |
489 | loop_pos = 0; | |
490 | bah.attach(this, &SSD1322::loop_event, tick); | |
491 | } | |
492 | ||
493 | void SSD1322::stop_loop() { | |
494 | bah.detach(); | |
495 | } |