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orion-rf.piolibdepsesp32-s3-n16r8U8g2srcclibu8x8_d_pcd8544_84x48.c

166 lines · 6.0 KB · C

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1/*
2
3 u8x8_d_pcd8544_84x48.c (so called "Nokia 5110" displays)
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
41static const uint8_t u8x8_d_pcd8544_84x48_init_seq[] = {
42
43 U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
44
45 U8X8_C(0x021), /* activate chip (PD=0), horizontal increment (V=0), enter extended command set (H=1) */
46 U8X8_C(0x006), /* temp. control: b10 = 2 */
47 U8X8_C(0x013), /* bias system 1:48 */
48 U8X8_C(0x0c0), /* medium Vop */
49
50 U8X8_C(0x020), /* activate chip (PD=0), horizontal increment (V=0), enter normal command set (H=0) */
51 U8X8_C(0x008), /* blank */
52 U8X8_C(0x024), /* power down (PD=1), horizontal increment (V=0), enter normal command set (H=0) */
53
54 U8X8_END_TRANSFER(), /* disable chip */
55 U8X8_END() /* end of sequence */
56};
57
58static const uint8_t u8x8_d_pcd8544_84x48_powersave0_seq[] = {
59 U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
60 U8X8_C(0x020), /* activate chip (PD=0), horizontal increment (V=0), enter normal command set (H=0) */
61 U8X8_C(0x00c), /* display on */
62 U8X8_END_TRANSFER(), /* disable chip */
63 U8X8_END() /* end of sequence */
64};
65
66static const uint8_t u8x8_d_pcd8544_84x48_powersave1_seq[] = {
67 U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
68 U8X8_C(0x020), /* activate chip (PD=0), horizontal increment (V=0), enter normal command set (H=0) */
69 U8X8_C(0x008), /* blank */
70 U8X8_C(0x024), /* power down (PD=1), horizontal increment (V=0), enter normal command set (H=0) */
71 U8X8_END_TRANSFER(), /* disable chip */
72 U8X8_END() /* end of sequence */
73};
74
75
76
77static const u8x8_display_info_t u8x8_pcd8544_84x48_display_info =
78{
79 /* chip_enable_level = */ 0,
80 /* chip_disable_level = */ 1,
81
82 /* post_chip_enable_wait_ns = */ 5,
83 /* pre_chip_disable_wait_ns = */ 5,
84 /* reset_pulse_width_ms = */ 2,
85 /* post_reset_wait_ms = */ 2,
86 /* sda_setup_time_ns = */ 12,
87 /* sck_pulse_width_ns = */ 75, /* half of cycle time (100ns according to datasheet), AVR: below 70: 8 MHz, >= 70 --> 4MHz clock */
88 /* sck_clock_hz = */ 4000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns */
89 /* spi_mode = */ 0, /* active high, rising edge */
90 /* i2c_bus_clock_100kHz = */ 4,
91 /* data_setup_time_ns = */ 30,
92 /* write_pulse_width_ns = */ 40,
93 /* tile_width = */ 11, /* width of 11*8=88 pixel */
94 /* tile_height = */ 6,
95 /* default_x_offset = */ 0,
96 /* flipmode_x_offset = */ 0,
97 /* pixel_width = */ 84,
98 /* pixel_height = */ 48
99};
100
101uint8_t u8x8_d_pcd8544_84x48(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
102{
103 uint8_t x, c;
104 uint8_t *ptr;
105 switch(msg)
106 {
107 case U8X8_MSG_DISPLAY_SETUP_MEMORY:
108 u8x8_d_helper_display_setup_memory(u8x8, &u8x8_pcd8544_84x48_display_info);
109 break;
110 case U8X8_MSG_DISPLAY_INIT:
111 u8x8_d_helper_display_init(u8x8);
112 u8x8_cad_SendSequence(u8x8, u8x8_d_pcd8544_84x48_init_seq);
113 break;
114 case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
115 if ( arg_int == 0 )
116 u8x8_cad_SendSequence(u8x8, u8x8_d_pcd8544_84x48_powersave0_seq);
117 else
118 u8x8_cad_SendSequence(u8x8, u8x8_d_pcd8544_84x48_powersave1_seq);
119 break;
120 // case U8X8_MSG_DISPLAY_SET_FLIP_MODE:
121 // break; NOT SUPPORTED
122
123#ifdef U8X8_WITH_SET_CONTRAST
124 case U8X8_MSG_DISPLAY_SET_CONTRAST:
125 u8x8_cad_StartTransfer(u8x8);
126 u8x8_cad_SendCmd(u8x8, 0x021 ); /* command mode, extended function set */
127 u8x8_cad_SendCmd(u8x8, 0x080 | (arg_int >> 1) );
128 u8x8_cad_EndTransfer(u8x8);
129 break;
130#endif
131 case U8X8_MSG_DISPLAY_DRAW_TILE:
132 u8x8_cad_StartTransfer(u8x8);
133
134 x = ((u8x8_tile_t *)arg_ptr)->x_pos;
135 x *= 8;
136 x += u8x8->x_offset;
137 u8x8_cad_SendCmd(u8x8, 0x020 ); /* activate chip (PD=0), horizontal increment (V=0), enter normal command set (H=0) */
138 u8x8_cad_SendCmd(u8x8, 0x080 | (x) ); /* set X address */
139 u8x8_cad_SendCmd(u8x8, 0x040 | (((u8x8_tile_t *)arg_ptr)->y_pos) ); /* set Y address */
140
141 ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
142 c = ((u8x8_tile_t *)arg_ptr)->cnt;
143 c *= 8;
144 do
145 {
146 if ( c + x > 84u )
147 {
148 if ( x >= 84u )
149 break;
150 c = 84u;
151 c -= x;
152 }
153 u8x8_cad_SendData(u8x8, c, ptr); /* note: SendData can not handle more than 255 bytes */
154 x += c;
155 arg_int--;
156 } while( arg_int > 0 );
157
158 u8x8_cad_EndTransfer(u8x8);
159 break;
160 default:
161 return 0;
162 }
163 return 1;
164}
165
166