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comparison: components/u8g2/csrc/u8x8_d_st7511.c

components/u8g2/csrc/u8x8_d_st7511.c

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1 /*
2
3 u8x8_d_st7511.c
4
5 Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/)
6
7 Copyright (c) 2019, 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 20 May 2019:
36 https://github.com/olikraus/u8g2/issues/876
37 Probably HW Flip does not work
38
39
40 */
41 #include "u8x8.h"
42
43
44
45
46 static const uint8_t u8x8_d_st7511_320x240_powersave0_seq[] = {
47 U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
48 U8X8_CA(0x015, 0x0a5), /* display on */
49 U8X8_END_TRANSFER(), /* disable chip */
50 U8X8_END() /* end of sequence */
51 };
52
53 static const uint8_t u8x8_d_st7511_320x240_powersave1_seq[] = {
54 U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
55 U8X8_CA(0x014, 0x0a5), /* display off */
56 // maybe use sleep mode here, but it not clear whether sleep mode will reset all the settings
57 U8X8_END_TRANSFER(), /* disable chip */
58 U8X8_END() /* end of sequence */
59 };
60
61 static const uint8_t u8x8_d_st7511_320x240_flip0_seq[] = {
62 U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
63 U8X8_CAAAA(0x24, 0x01, 0xa5, 0xa5, 0xa5), /* memory control directions */
64 U8X8_END_TRANSFER(), /* disable chip */
65 U8X8_END() /* end of sequence */
66 };
67
68 static const uint8_t u8x8_d_st7511_320x240_flip1_seq[] = {
69 U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
70 U8X8_CAAAA(0x24, 0x02, 0xa5, 0xa5, 0xa5), /* memory control directions */
71 U8X8_END_TRANSFER(), /* disable chip */
72 U8X8_END() /* end of sequence */
73 };
74
75
76
77 /*=====================================================*/
78 /* AV-Display: AVD-TM57QV-NW-001-B, issue 876 */
79
80 static const u8x8_display_info_t u8x8_st7511_320x240_display_info =
81 {
82 /* chip_enable_level = */ 0,
83 /* chip_disable_level = */ 1,
84
85 /* post_chip_enable_wait_ns = */ 150, /* ST7511 Datasheet */
86 /* pre_chip_disable_wait_ns = */ 150, /* ST7511 Datasheet */
87 /* reset_pulse_width_ms = */ 1,
88 /* post_reset_wait_ms = */ 1,
89 /* sda_setup_time_ns = */ 120, /* ST7511 Datasheet */
90 /* sck_pulse_width_ns = */ 150, /* ST7511 Datasheet */
91 /* sck_clock_hz = */ 3300000UL, /* ST7511 Datasheet: 300ns cycle */
92 /* spi_mode = */ 0, /* active high, rising edge */
93 /* i2c_bus_clock_100kHz = */ 4,
94 /* data_setup_time_ns = */ 200, /* */
95 /* write_pulse_width_ns = */ 250, /* ST7511 Datasheet: 500ns */
96 /* tile_width = */ 40, /* width of 17*8=136 pixel */
97 /* tile_hight = */ 30,
98 /* default_x_offset = */ 160,
99 /* flipmode_x_offset = */ 0,
100 /* pixel_width = */ 320,
101 /* pixel_height = */ 240
102 };
103
104 static const uint8_t u8x8_d_st7511_320x240_init_seq[] = {
105
106 U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
107
108 U8X8_CA(0xae, 0xa5), /* SW Reset */
109 U8X8_CAAAA(0x61, 0x0f, 0x04, 0x02, 0xa5), /* all power on */
110 U8X8_CAAAA(0x62, 0x0a, 0x06, 0x0f, 0xa5), /* electronic volumne set 1 */
111 U8X8_CAAAA(0x63, 0x0f, 0x0f, 0xa5, 0xa5), /* electronic volumne set 2 */
112 U8X8_CAAAA(0x66, 0x00, 0xa5, 0xa5, 0xa5), /* electronic volumne set 2 */
113 U8X8_CA(0x12, 0xa5), /* SLeeP OUT */
114 U8X8_DLY(50),
115 // skiping display on here, deviation from https://github.com/olikraus/u8g2/issues/876
116 // will be called later in u8x8_d_st7511_320x240_powersave0_seq
117 U8X8_CAAAA(0x22, 0x00, 0xa5, 0xa5, 0xa5), /* monochrome display */
118 U8X8_CAAAA(0x24, 0x01, 0xa5, 0xa5, 0xa5), /* memory control directions */
119
120 U8X8_DLY(50),
121
122 U8X8_END_TRANSFER(), /* disable chip */
123 U8X8_END() /* end of sequence */
124 };
125
126 uint8_t u8x8_d_st7511_avd_320x240(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
127 {
128 uint16_t x, c;
129 uint8_t *ptr;
130 switch(msg)
131 {
132 case U8X8_MSG_DISPLAY_SETUP_MEMORY:
133 u8x8_d_helper_display_setup_memory(u8x8, &u8x8_st7511_320x240_display_info);
134 break;
135 case U8X8_MSG_DISPLAY_INIT:
136 u8x8_d_helper_display_init(u8x8);
137 u8x8_cad_SendSequence(u8x8, u8x8_d_st7511_320x240_init_seq);
138 break;
139 case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
140 if ( arg_int == 0 )
141 u8x8_cad_SendSequence(u8x8, u8x8_d_st7511_320x240_powersave0_seq);
142 else
143 u8x8_cad_SendSequence(u8x8, u8x8_d_st7511_320x240_powersave1_seq);
144 break;
145 case U8X8_MSG_DISPLAY_SET_FLIP_MODE:
146 if ( arg_int == 0 )
147 {
148 u8x8_cad_SendSequence(u8x8, u8x8_d_st7511_320x240_flip0_seq);
149 u8x8->x_offset = u8x8->display_info->default_x_offset;
150 }
151 else
152 {
153 u8x8_cad_SendSequence(u8x8, u8x8_d_st7511_320x240_flip1_seq);
154 u8x8->x_offset = u8x8->display_info->flipmode_x_offset;
155 }
156 break;
157 #ifdef U8X8_WITH_SET_CONTRAST
158 case U8X8_MSG_DISPLAY_SET_CONTRAST:
159 // not sure how to implement this....
160 // u8x8_cad_StartTransfer(u8x8);
161 // u8x8_cad_EndTransfer(u8x8);
162 break;
163 #endif
164 case U8X8_MSG_DISPLAY_DRAW_TILE:
165 u8x8_cad_StartTransfer(u8x8);
166
167 // set page
168 u8x8_cad_SendCmd(u8x8, 0x025);
169 u8x8_cad_SendArg(u8x8, (((u8x8_tile_t *)arg_ptr)->y_pos));
170 u8x8_cad_SendArg(u8x8, 0x09f); // end page
171 u8x8_cad_SendArg(u8x8, 0x000); // frame 0
172 u8x8_cad_SendArg(u8x8, 0x0a5);
173
174 x = ((u8x8_tile_t *)arg_ptr)->x_pos;
175 x *= 8;
176 x += u8x8->x_offset;
177
178 // set column
179 u8x8_cad_SendCmd(u8x8, 0x026);
180 u8x8_cad_SendArg(u8x8, (x>>8) );
181 u8x8_cad_SendArg(u8x8, (x&255) );
182 u8x8_cad_SendArg(u8x8, 0x002);
183 u8x8_cad_SendArg(u8x8, 0x07f);
184
185 // start data transfer
186 u8x8_cad_SendCmd(u8x8, 0x02c);
187 u8x8_cad_SendArg(u8x8, 0x0a5 );
188
189 do
190 {
191 c = ((u8x8_tile_t *)arg_ptr)->cnt;
192 c *= 8;
193 ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
194
195 while ( c > 128 )
196 {
197 u8x8_cad_SendData(u8x8, 128, ptr); /* note: SendData can not handle more than 255 bytes */
198 c -= 128;
199 ptr += 128;
200 }
201 u8x8_cad_SendData(u8x8, c, ptr); /* note: SendData can not handle more than 255 bytes */
202 arg_int--;
203 } while( arg_int > 0 );
204
205 u8x8_cad_EndTransfer(u8x8);
206 break;
207 default:
208 return 0;
209 }
210 return 1;
211 }
212
213
214

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