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comparison: components/u8g2/csrc/u8x8_d_ks0108.c

components/u8g2/csrc/u8x8_d_ks0108.c

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1 /*
2
3 u8x8_d_ks0108.c
4
5 The classic 5V LCD
6
7 Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/)
8
9 Copyright (c) 2016, olikraus@gmail.com
10 All rights reserved.
11
12 Redistribution and use in source and binary forms, with or without modification,
13 are permitted provided that the following conditions are met:
14
15 * Redistributions of source code must retain the above copyright notice, this list
16 of conditions and the following disclaimer.
17
18 * Redistributions in binary form must reproduce the above copyright notice, this
19 list of conditions and the following disclaimer in the documentation and/or other
20 materials provided with the distribution.
21
22 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
23 CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
24 INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
25 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
26 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
27 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
28 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
29 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
30 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
31 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
32 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
34 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35
36
37 */
38 #include "u8x8.h"
39
40
41
42
43 static const uint8_t u8x8_d_ks0108_init_seq[] = {
44 U8X8_C(0x0c0), /* satart at the top */
45 U8X8_END() /* end of sequence */
46 };
47
48 static const uint8_t u8x8_d_ks0108_powersave0_seq[] = {
49 U8X8_C(0x03f), /* display on */
50 U8X8_END() /* end of sequence */
51 };
52
53 static const uint8_t u8x8_d_ks0108_powersave1_seq[] = {
54 U8X8_C(0x03e), /* display off */
55 U8X8_END() /* end of sequence */
56 };
57
58
59 struct u8x8_ks0108_vars
60 {
61 uint8_t *ptr;
62 uint8_t x;
63 uint8_t c;
64 uint8_t arg_int;
65 };
66
67 static void u8x8_ks0108_out(u8x8_t *u8x8, struct u8x8_ks0108_vars *v, void *arg_ptr)
68 {
69 uint8_t cnt;
70 u8x8_cad_SendCmd(u8x8, 0x040 | ((v->x << 3) & 63) );
71 u8x8_cad_SendCmd(u8x8, 0x0b8 | (((u8x8_tile_t *)arg_ptr)->y_pos));
72
73 while( v->arg_int > 0 )
74 {
75 /* calculate tiles to next boundary (end or chip limit) */
76 cnt = v->x;
77 cnt += 8;
78 cnt &= 0x0f8;
79 cnt -= v->x;
80
81 if ( cnt > v->c )
82 cnt = v->c;
83
84 /* of cours we still could use cnt=1 here... */
85 /* but setting cnt to 1 is not very efficient */
86 //cnt = 1;
87
88 v->x +=cnt;
89 v->c-=cnt;
90 cnt<<=3;
91 u8x8_cad_SendData(u8x8, cnt, v->ptr); /* note: SendData can not handle more than 255 bytes */
92 v->ptr += cnt;
93
94 if ( v->c == 0 )
95 {
96 v->ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
97 v->c = ((u8x8_tile_t *)arg_ptr)->cnt;
98 v->arg_int--;
99 }
100 if ( ((v->x) & 7) == 0 )
101 break;
102 }
103 }
104
105
106 static const u8x8_display_info_t u8x8_ks0108_128x64_display_info =
107 {
108 /* chip_enable_level = */ 0, /* KS0108: Not used */
109 /* chip_disable_level = */ 1, /* KS0108: Not used */
110
111 /* post_chip_enable_wait_ns = */ 100,
112 /* pre_chip_disable_wait_ns = */ 20,
113 /* reset_pulse_width_ms = */ 1,
114 /* post_reset_wait_ms = */ 6, /* could be faster for the KS0108 */
115 /* sda_setup_time_ns = */ 12,
116 /* sck_pulse_width_ns = */ 75, /* KS0108: Not used */
117 /* sck_clock_hz = */ 4000000UL, /* KS0108: Not used */
118 /* spi_mode = */ 0, /* active high, rising edge */
119 /* i2c_bus_clock_100kHz = */ 4, /* KS0108: Not used */
120 /* data_setup_time_ns = */ 200,
121 /* write_pulse_width_ns = */ 250, /* KS0108: actially 450 ns, but additional 200 ns are added by the byte transfer function */
122 /* tile_width = */ 16, /* width of 16*8=128 pixel */
123 /* tile_hight = */ 8,
124 /* default_x_offset = */ 0,
125 /* flipmode_x_offset = */ 0,
126 /* pixel_width = */ 128,
127 /* pixel_height = */ 64
128 };
129
130 uint8_t u8x8_d_ks0108_128x64(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
131 {
132 struct u8x8_ks0108_vars v;
133 switch(msg)
134 {
135 case U8X8_MSG_DISPLAY_SETUP_MEMORY:
136 u8x8_d_helper_display_setup_memory(u8x8, &u8x8_ks0108_128x64_display_info);
137 break;
138 case U8X8_MSG_DISPLAY_INIT:
139 u8x8_d_helper_display_init(u8x8);
140
141 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 1, NULL);
142 u8x8_cad_SendSequence(u8x8, u8x8_d_ks0108_init_seq);
143 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 0, NULL);
144
145 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 2, NULL);
146 u8x8_cad_SendSequence(u8x8, u8x8_d_ks0108_init_seq);
147 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 0, NULL);
148 break;
149 case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
150
151 if ( arg_int == 0 )
152 {
153 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 1, NULL);
154 u8x8_cad_SendSequence(u8x8, u8x8_d_ks0108_powersave0_seq);
155 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 0, NULL);
156
157 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 2, NULL);
158 u8x8_cad_SendSequence(u8x8, u8x8_d_ks0108_powersave0_seq);
159 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 0, NULL);
160
161 }
162 else
163 {
164 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 1, NULL);
165 u8x8_cad_SendSequence(u8x8, u8x8_d_ks0108_powersave1_seq);
166 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 0, NULL);
167
168 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 2, NULL);
169 u8x8_cad_SendSequence(u8x8, u8x8_d_ks0108_powersave1_seq);
170 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 0, NULL);
171
172 }
173 break;
174 // The KS0108 can not mirror the cols and rows, use U8g2 for rotation
175 // case U8X8_MSG_DISPLAY_SET_FLIP_MODE:
176 // break;
177 // The KS0108 has no internal contrast command
178 // case U8X8_MSG_DISPLAY_SET_CONTRAST:
179 // break;
180 case U8X8_MSG_DISPLAY_DRAW_TILE:
181
182 v.ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
183 v.x = ((u8x8_tile_t *)arg_ptr)->x_pos;
184 v.c = ((u8x8_tile_t *)arg_ptr)->cnt;
185 v.arg_int = arg_int;
186
187
188 if ( v.x < 8 )
189 {
190 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 1, NULL);
191 u8x8_ks0108_out(u8x8, &v, arg_ptr);
192 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 0, NULL);
193 }
194 if ( v.x < 16 )
195 {
196 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 2, NULL);
197 u8x8_ks0108_out(u8x8, &v, arg_ptr);
198 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 0, NULL);
199 }
200 //if ( v.x < 24 )
201 //{
202 //u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 4, NULL);
203 //u8x8_ks0108_out(u8x8, &v, arg_ptr);
204 //u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 0, NULL);
205 //}
206 break;
207 default:
208 return 0;
209 }
210 return 1;
211 }
212
213 static const u8x8_display_info_t u8x8_ks0108_192x64_display_info =
214 {
215 /* chip_enable_level = */ 0, /* KS0108: Not used */
216 /* chip_disable_level = */ 1, /* KS0108: Not used */
217
218 /* post_chip_enable_wait_ns = */ 100,
219 /* pre_chip_disable_wait_ns = */ 20,
220 /* reset_pulse_width_ms = */ 1,
221 /* post_reset_wait_ms = */ 6, /* could be faster for the KS0108 */
222 /* sda_setup_time_ns = */ 12,
223 /* sck_pulse_width_ns = */ 75, /* KS0108: Not used */
224 /* sck_clock_hz = */ 4000000UL, /* KS0108: Not used */
225 /* spi_mode = */ 0, /* active high, rising edge */
226 /* i2c_bus_clock_100kHz = */ 4, /* KS0108: Not used */
227 /* data_setup_time_ns = */ 200,
228 /* write_pulse_width_ns = */ 250, /* KS0108: actially 450 ns, but additional 200 ns are added by the byte transfer function */
229 /* tile_width = */ 24, /* width of 24*8=192 pixel */
230 /* tile_hight = */ 8,
231 /* default_x_offset = */ 0,
232 /* flipmode_x_offset = */ 0,
233 /* pixel_width = */ 192,
234 /* pixel_height = */ 64
235 };
236
237
238 /* east rising (buydisplay.com) ERM19264 */
239 /* left: 011, middle: 101, right: 110, no chip select: 111 */
240 uint8_t u8x8_d_ks0108_erm19264(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
241 {
242 struct u8x8_ks0108_vars v;
243 switch(msg)
244 {
245 case U8X8_MSG_DISPLAY_SETUP_MEMORY:
246 u8x8_d_helper_display_setup_memory(u8x8, &u8x8_ks0108_192x64_display_info);
247 break;
248 case U8X8_MSG_DISPLAY_INIT:
249 u8x8_d_helper_display_init(u8x8);
250
251 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 3, NULL);
252 u8x8_cad_SendSequence(u8x8, u8x8_d_ks0108_init_seq);
253 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 7, NULL);
254
255 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 5, NULL);
256 u8x8_cad_SendSequence(u8x8, u8x8_d_ks0108_init_seq);
257 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 7, NULL);
258
259 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 6, NULL);
260 u8x8_cad_SendSequence(u8x8, u8x8_d_ks0108_init_seq);
261 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 7, NULL);
262 break;
263 case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
264
265 if ( arg_int == 0 )
266 {
267 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 3, NULL);
268 u8x8_cad_SendSequence(u8x8, u8x8_d_ks0108_powersave0_seq);
269 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 7, NULL);
270
271 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 5, NULL);
272 u8x8_cad_SendSequence(u8x8, u8x8_d_ks0108_powersave0_seq);
273 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 7, NULL);
274
275 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 6, NULL);
276 u8x8_cad_SendSequence(u8x8, u8x8_d_ks0108_powersave0_seq);
277 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 7, NULL);
278
279 }
280 else
281 {
282 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 3, NULL);
283 u8x8_cad_SendSequence(u8x8, u8x8_d_ks0108_powersave1_seq);
284 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 7, NULL);
285
286 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 5, NULL);
287 u8x8_cad_SendSequence(u8x8, u8x8_d_ks0108_powersave1_seq);
288 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 7, NULL);
289
290 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 6, NULL);
291 u8x8_cad_SendSequence(u8x8, u8x8_d_ks0108_powersave1_seq);
292 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 7, NULL);
293
294 }
295 break;
296 // The KS0108 can not mirror the cols and rows, use U8g2 for rotation
297 // case U8X8_MSG_DISPLAY_SET_FLIP_MODE:
298 // break;
299 // The KS0108 has no internal contrast command
300 // case U8X8_MSG_DISPLAY_SET_CONTRAST:
301 // break;
302 case U8X8_MSG_DISPLAY_DRAW_TILE:
303
304 v.ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
305 v.x = ((u8x8_tile_t *)arg_ptr)->x_pos;
306 v.c = ((u8x8_tile_t *)arg_ptr)->cnt;
307 v.arg_int = arg_int;
308
309 /*
310 3-bit CS value:
311 In u8x8_byte_set_ks0108_cs(u8x8_t *u8x8, uint8_t arg) the lowest
312 bit is assigned to CS and highest bit if the 3-bit value to CS2
313
314 CS: left part of the display --> 6
315 CS1: middle part --> 5
316 CS2: right part of the display --> 3
317
318 Reference: https://github.com/olikraus/u8g2/issues/631
319 */
320 if ( v.x < 8 )
321 {
322 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 6, NULL); // 3-->6, issue 631
323 u8x8_ks0108_out(u8x8, &v, arg_ptr);
324 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 7, NULL);
325 }
326 if ( v.x < 16 )
327 {
328 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 5, NULL);
329 u8x8_ks0108_out(u8x8, &v, arg_ptr);
330 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 7, NULL);
331 }
332 if ( v.x < 24 )
333 {
334 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 3, NULL); // 6-->3, // issue 631
335 u8x8_ks0108_out(u8x8, &v, arg_ptr);
336 u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 7, NULL);
337 }
338 break;
339 default:
340 return 0;
341 }
342 return 1;
343 }
344

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