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comparison: components/u8g2/csrc/u8x8_d_uc1701_dogs102.c

components/u8g2/csrc/u8x8_d_uc1701_dogs102.c

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1 /*
2
3 u8x8_d_uc1701_dogs102.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 #include "u8x8.h"
37
38
39
40
41 static const uint8_t u8x8_d_uc1701_dogs102_init_seq[] = {
42
43 U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
44
45 U8X8_C(0x0e2), /* soft reset */
46 U8X8_C(0x0ae), /* display off */
47 U8X8_C(0x040), /* set display start line to 0 */
48
49 U8X8_C(0x0a1), /* ADC set to reverse */
50 U8X8_C(0x0c0), /* common output mode */
51 // Flipmode
52 //U8X8_C(0x0a0), /* ADC set to reverse */
53 //U8X8_C(0x0c8), /* common output mode */
54
55 U8X8_C(0x0a6), /* display normal, bit val 0: LCD pixel off. */
56 U8X8_C(0x0a2), /* LCD bias 1/9 */
57 U8X8_C(0x02f), /* all power control circuits on */
58 U8X8_C(0x027), /* regulator, booster and follower */
59 U8X8_CA(0x081, 0x00e), /* set contrast, contrast value, EA default: 0x010, previous value for S102: 0x0e */
60 U8X8_C(0x0fa), /* Set Temp compensation */
61 U8X8_C(0x090), /* 0.11 deg/c WP Off WC Off*/
62
63 U8X8_C(0x0ae), /* display off */
64 U8X8_C(0x0a5), /* enter powersafe: all pixel on, issue 142 */
65
66 U8X8_END_TRANSFER(), /* disable chip */
67 U8X8_END() /* end of sequence */
68 };
69
70 static const uint8_t u8x8_d_uc1701_dogs102_powersave0_seq[] = {
71 U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
72 U8X8_C(0x0a4), /* all pixel off, issue 142 */
73 U8X8_C(0x0af), /* display on */
74 U8X8_END_TRANSFER(), /* disable chip */
75 U8X8_END() /* end of sequence */
76 };
77
78 static const uint8_t u8x8_d_uc1701_dogs102_powersave1_seq[] = {
79 U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
80 U8X8_C(0x0ae), /* display off */
81 U8X8_C(0x0a5), /* enter powersafe: all pixel on, issue 142 */
82 U8X8_END_TRANSFER(), /* disable chip */
83 U8X8_END() /* end of sequence */
84 };
85
86 static const uint8_t u8x8_d_uc1701_dogs102_flip0_seq[] = {
87 U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
88 U8X8_C(0x0a1), /* segment remap a0/a1*/
89 U8X8_C(0x0c0), /* c0: scan dir normal, c8: reverse */
90 U8X8_END_TRANSFER(), /* disable chip */
91 U8X8_END() /* end of sequence */
92 };
93
94 static const uint8_t u8x8_d_uc1701_dogs102_flip1_seq[] = {
95 U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
96 U8X8_C(0x0a0), /* segment remap a0/a1*/
97 U8X8_C(0x0c8), /* c0: scan dir normal, c8: reverse */
98 U8X8_END_TRANSFER(), /* disable chip */
99 U8X8_END() /* end of sequence */
100 };
101
102
103 static const u8x8_display_info_t u8x8_uc1701_display_info =
104 {
105 /* chip_enable_level = */ 0,
106 /* chip_disable_level = */ 1,
107
108 /* post_chip_enable_wait_ns = */ 5,
109 /* pre_chip_disable_wait_ns = */ 5,
110 /* reset_pulse_width_ms = */ 1,
111 /* post_reset_wait_ms = */ 6,
112 /* sda_setup_time_ns = */ 12,
113 /* sck_pulse_width_ns = */ 75, /* half of cycle time (100ns according to datasheet), AVR: below 70: 8 MHz, >= 70 --> 4MHz clock */
114 /* sck_clock_hz = */ 4000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns */
115 /* spi_mode = */ 0, /* active high, rising edge */
116 /* i2c_bus_clock_100kHz = */ 4,
117 /* data_setup_time_ns = */ 30,
118 /* write_pulse_width_ns = */ 40,
119 /* tile_width = */ 13, /* width of 13*8=104 pixel */
120 /* tile_hight = */ 8,
121 /* default_x_offset = */ 0,
122 /* flipmode_x_offset = */ 30,
123 /* pixel_width = */ 102,
124 /* pixel_height = */ 64
125 };
126
127 uint8_t u8x8_d_uc1701_ea_dogs102(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
128 {
129 uint8_t x, c;
130 uint8_t *ptr;
131 switch(msg)
132 {
133 case U8X8_MSG_DISPLAY_SETUP_MEMORY:
134 u8x8_d_helper_display_setup_memory(u8x8, &u8x8_uc1701_display_info);
135 break;
136 case U8X8_MSG_DISPLAY_INIT:
137 u8x8_d_helper_display_init(u8x8);
138 u8x8_cad_SendSequence(u8x8, u8x8_d_uc1701_dogs102_init_seq);
139 break;
140 case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
141 if ( arg_int == 0 )
142 u8x8_cad_SendSequence(u8x8, u8x8_d_uc1701_dogs102_powersave0_seq);
143 else
144 u8x8_cad_SendSequence(u8x8, u8x8_d_uc1701_dogs102_powersave1_seq);
145 break;
146 case U8X8_MSG_DISPLAY_SET_FLIP_MODE:
147 if ( arg_int == 0 )
148 {
149 u8x8_cad_SendSequence(u8x8, u8x8_d_uc1701_dogs102_flip0_seq);
150 u8x8->x_offset = u8x8->display_info->default_x_offset;
151 }
152 else
153 {
154 u8x8_cad_SendSequence(u8x8, u8x8_d_uc1701_dogs102_flip1_seq);
155 u8x8->x_offset = u8x8->display_info->flipmode_x_offset;
156 }
157 break;
158 #ifdef U8X8_WITH_SET_CONTRAST
159 case U8X8_MSG_DISPLAY_SET_CONTRAST:
160 u8x8_cad_StartTransfer(u8x8);
161 u8x8_cad_SendCmd(u8x8, 0x081 );
162 u8x8_cad_SendArg(u8x8, arg_int >> 2 ); /* uc1701 has range from 0 to 63 */
163 u8x8_cad_EndTransfer(u8x8);
164 break;
165 #endif
166 case U8X8_MSG_DISPLAY_DRAW_TILE:
167 u8x8_cad_StartTransfer(u8x8);
168
169 x = ((u8x8_tile_t *)arg_ptr)->x_pos;
170 x *= 8;
171 x += u8x8->x_offset;
172 u8x8_cad_SendCmd(u8x8, 0x010 | (x>>4) );
173 u8x8_cad_SendCmd(u8x8, 0x000 | ((x&15)));
174 u8x8_cad_SendCmd(u8x8, 0x0b0 | (((u8x8_tile_t *)arg_ptr)->y_pos));
175
176 c = ((u8x8_tile_t *)arg_ptr)->cnt;
177 c *= 8;
178 ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
179 /*
180 The following if condition checks the hardware limits of the uc1701
181 controller: It is not allowed to write beyond the display limits.
182 This is in fact an issue within flip mode.
183 */
184 if ( c + x > 132u )
185 {
186 c = 132u;
187 c -= x;
188 }
189 do
190 {
191 u8x8_cad_SendData(u8x8, c, ptr); /* note: SendData can not handle more than 255 bytes */
192 arg_int--;
193 } while( arg_int > 0 );
194
195 u8x8_cad_EndTransfer(u8x8);
196 break;
197 default:
198 return 0;
199 }
200 return 1;
201 }
202
203

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