components/u8g2/csrc/u8x8_d_uc1604.c

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1 /*
2
3 u8x8_d_uc1604.c
4
5 Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/)
6
7 Copyright (c) 2016, olikraus@gmail.com
8 All rights reserved.
9
10 Redistribution and use in source and binary forms, with or without modification,
11 are permitted provided that the following conditions are met:
12
13 * Redistributions of source code must retain the above copyright notice, this list
14 of conditions and the following disclaimer.
15
16 * Redistributions in binary form must reproduce the above copyright notice, this
17 list of conditions and the following disclaimer in the documentation and/or other
18 materials provided with the distribution.
19
20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
21 CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
22 INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
23 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
25 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
29 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
30 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
32 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33
34
35
36 */
37 #include "u8x8.h"
38
39
40
41
42
43 static const uint8_t u8x8_d_uc1604_powersave0_seq[] = {
44 U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
45 U8X8_DLY(20),
46 U8X8_C(0x0af), /* display on */
47 U8X8_DLY(20), /* during setup, it seems that the startup is more reliable when sending this cmd twice */
48 U8X8_C(0x0af), /* display on */
49 U8X8_DLY(50), /* startup takes some time */
50 U8X8_END_TRANSFER(), /* disable chip */
51 U8X8_END() /* end of sequence */
52 };
53
54 static const uint8_t u8x8_d_uc1604_powersave1_seq[] = {
55 U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
56 U8X8_C(0x0ae), /* display off, enter sleep mode */
57 U8X8_END_TRANSFER(), /* disable chip */
58 U8X8_END() /* end of sequence */
59 };
60
61 static const uint8_t u8x8_d_uc1604_flip0_seq[] = {
62 U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
63 U8X8_C(0x0c4), /* LCD Mapping */
64 U8X8_END_TRANSFER(), /* disable chip */
65 U8X8_END() /* end of sequence */
66 };
67
68 static const uint8_t u8x8_d_uc1604_flip1_seq[] = {
69 U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
70 U8X8_C(0x0c2), /* LCD Mapping */
71 U8X8_END_TRANSFER(), /* disable chip */
72 U8X8_END() /* end of sequence */
73 };
74
75
76 uint8_t u8x8_d_uc1604_common(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
77 {
78 uint8_t x, y, c;
79 uint8_t *ptr;
80 switch(msg)
81 {
82 case U8X8_MSG_DISPLAY_DRAW_TILE:
83 u8x8_cad_StartTransfer(u8x8);
84
85 x = ((u8x8_tile_t *)arg_ptr)->x_pos;
86 x *= 8;
87
88 u8x8_cad_SendCmd(u8x8, 0x000 | ((x&15)));
89 u8x8_cad_SendCmd(u8x8, 0x010 | (x>>4) );
90
91 y = ((u8x8_tile_t *)arg_ptr)->y_pos;
92 y += u8x8->x_offset;
93 u8x8_cad_SendCmd(u8x8, 0x0b0 | (y&15));
94
95 c = ((u8x8_tile_t *)arg_ptr)->cnt;
96 c *= 8;
97 ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
98 do
99 {
100 u8x8_cad_SendData(u8x8, c, ptr); /* note: SendData can not handle more than 255 bytes */
101 arg_int--;
102 } while( arg_int > 0 );
103
104 u8x8_cad_EndTransfer(u8x8);
105 break;
106 /* handled in the calling procedure
107 case U8X8_MSG_DISPLAY_SETUP_MEMORY:
108 u8x8_d_helper_display_setup_memory(u8x8, &u8x8_uc1604_128x64_display_info);
109 break;
110 case U8X8_MSG_DISPLAY_INIT:
111 u8x8_d_helper_display_init(u8x8);
112 u8x8_cad_SendSequence(u8x8, u8x8_d_uc1701_dogs102_init_seq);
113 break;
114 */
115 case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
116 if ( arg_int == 0 )
117 u8x8_cad_SendSequence(u8x8, u8x8_d_uc1604_powersave0_seq);
118 else
119 u8x8_cad_SendSequence(u8x8, u8x8_d_uc1604_powersave1_seq);
120 break;
121 case U8X8_MSG_DISPLAY_SET_FLIP_MODE:
122 if ( arg_int == 0 )
123 {
124 u8x8_cad_SendSequence(u8x8, u8x8_d_uc1604_flip0_seq);
125 u8x8->x_offset = u8x8->display_info->default_x_offset;
126 }
127 else
128 {
129 u8x8_cad_SendSequence(u8x8, u8x8_d_uc1604_flip1_seq);
130 u8x8->x_offset = u8x8->display_info->flipmode_x_offset;
131 }
132 break;
133 #ifdef U8X8_WITH_SET_CONTRAST
134 case U8X8_MSG_DISPLAY_SET_CONTRAST:
135 u8x8_cad_StartTransfer(u8x8);
136 u8x8_cad_SendCmd(u8x8, 0x081 );
137 u8x8_cad_SendArg(u8x8, arg_int ); /* uc1604 has range from 0 to 255 */
138 u8x8_cad_EndTransfer(u8x8);
139 break;
140 #endif
141 default:
142 return 0;
143 }
144 return 1;
145 }
146
147 /*================================================*/
148 /* JLX19264 */
149
150 /*
151 timings from uc1608
152
153 UC1604 has two chip select inputs (CS0 and CS1).
154 CS0 is low active, CS1 is high active. It will depend on the display
155 module whether the display has a is low or high active chip select.
156
157 */
158 static const u8x8_display_info_t u8x8_uc1604_192x64_display_info =
159 {
160 /* chip_enable_level = */ 0, /* JLX19264G uses CS0, which is low active CS*/
161 /* chip_disable_level = */ 1,
162
163 /* post_chip_enable_wait_ns = */ 20,
164 /* pre_chip_disable_wait_ns = */ 20,
165 /* reset_pulse_width_ms = */ 1,
166 /* post_reset_wait_ms = */ 10,
167 /* sda_setup_time_ns = */ 30,
168 /* sck_pulse_width_ns = */ 65, /* half of cycle time */
169 /* sck_clock_hz = */ 8000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns */
170 /* spi_mode = */ 0, /* active high, rising edge */
171 /* i2c_bus_clock_100kHz = */ 4,
172 /* data_setup_time_ns = */ 30,
173 /* write_pulse_width_ns = */ 35,
174 /* tile_width = */ 24, /* width of 24*8=192 pixel */
175 /* tile_hight = */ 8,
176 /* default_x_offset = */ 0, /* reused as y page offset */
177 /* flipmode_x_offset = */ 0, /* reused as y page offset */
178 /* pixel_width = */ 192,
179 /* pixel_height = */ 64
180 };
181
182 static const uint8_t u8x8_d_uc1604_jlx19264_init_seq[] = {
183
184 U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
185
186 U8X8_C(0x0e2), /* soft reset */
187 U8X8_DLY(200),
188 U8X8_DLY(200),
189
190 U8X8_C(0x02f), /* power on, Bit 2 PC2=1 (internal charge pump), Bits 0/1: cap of panel */
191 U8X8_DLY(200),
192 U8X8_DLY(200),
193
194 U8X8_CA(0x081, 0x052), /* set contrast, JLX19264G suggestion: 0x045 */
195 U8X8_C(0x0eb), /* LCD bias Bits 0/1: 00=6 01=7, 10=8, 11=9 */
196
197
198 //U8X8_C(0x023), /* Bit 0/1: Temp compenstation, Bit 2: Multiplex Rate 0=96, 1=128 */
199 //U8X8_C(0x027), /* Bit 0/1: Temp compenstation, Bit 2: Multiplex Rate 0=96, 1=128 */
200
201 U8X8_C(0x0c4), /* Map control, Bit 2: MY=1, Bit 1: MX=0 */
202 U8X8_C(0x0a0), /* 0xa0: 76Hz FPS, controller default: 0x0a1: 95Hz FPS */
203
204
205 U8X8_C(0x040), /* set scroll line to 0 */
206 U8X8_C(0x089), /* RAM access control (controller default: 0x089)*/
207
208
209 U8X8_C(0x000), /* column low nibble */
210 U8X8_C(0x010), /* column high nibble */
211 U8X8_C(0x0b0), /* page adr */
212
213
214 U8X8_END_TRANSFER(), /* disable chip */
215 U8X8_END() /* end of sequence */
216 };
217
218 uint8_t u8x8_d_uc1604_jlx19264(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
219 {
220 /* call common procedure first and handle messages there */
221 if ( u8x8_d_uc1604_common(u8x8, msg, arg_int, arg_ptr) == 0 )
222 {
223 /* msg not handled, then try here */
224 switch(msg)
225 {
226 case U8X8_MSG_DISPLAY_SETUP_MEMORY:
227 u8x8_d_helper_display_setup_memory(u8x8, &u8x8_uc1604_192x64_display_info);
228 break;
229 case U8X8_MSG_DISPLAY_INIT:
230 u8x8_d_helper_display_init(u8x8);
231 u8x8_cad_SendSequence(u8x8, u8x8_d_uc1604_jlx19264_init_seq);
232 break;
233 default:
234 return 0; /* msg unknown */
235 }
236 }
237 return 1;
238 }
239
240

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