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comparison: components/u8g2/csrc/u8x8_d_a2printer.c

components/u8g2/csrc/u8x8_d_a2printer.c

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1 /*
2
3 u8x8_d_a2printer.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 Use DC2 bitmap command of the A2 Micro panel termal printer
36 double stroke
37
38
39 */
40
41
42 #include "u8x8.h"
43
44 #define LINE_MIN_DELAY_MS 15
45 /* higher values improve quality */
46 /* however if the value is too high (>=5) then form feed does not work any more */
47 #define LINE_EXTRA_8PIXEL_DELAY_MS 3
48 /* this must be a power of two and between 1 and 8 */
49 /* best quality only with 1 */
50 #define NO_OF_LINES_TO_SEND_WITHOUT_DELAY 1
51
52 /* calculates the delay, based on the number of black pixel */
53 /* actually only "none-zero" bytes are calculated which is, of course not so accurate, but should be good enough */
54 uint16_t get_delay_in_milliseconds(uint8_t cnt, uint8_t *data)
55 {
56 uint8_t i;
57 uint16_t time = LINE_MIN_DELAY_MS;
58 for ( i = 0; i < cnt; i++ )
59 if ( data[i] != 0 )
60 time += LINE_EXTRA_8PIXEL_DELAY_MS;
61 return time;
62 }
63
64 uint8_t u8x8_d_a2printer_common(u8x8_t *u8x8, uint8_t msg, U8X8_UNUSED uint8_t arg_int, void *arg_ptr)
65 {
66 uint8_t c, i, j;
67 uint8_t *ptr;
68 uint16_t delay_in_milliseconds;
69 switch(msg)
70 {
71 /* U8X8_MSG_DISPLAY_SETUP_MEMORY is handled by the calling function */
72 /*
73 case U8X8_MSG_DISPLAY_SETUP_MEMORY:
74 break;
75 */
76 case U8X8_MSG_DISPLAY_INIT:
77 u8x8_d_helper_display_init(u8x8);
78 // no setup required
79 // u8x8_cad_SendSequence(u8x8, u8x8_d_a2printer_init_seq);
80 break;
81 case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
82 // no powersave
83 break;
84 case U8X8_MSG_DISPLAY_DRAW_TILE:
85 u8x8_cad_StartTransfer(u8x8);
86
87 u8x8_cad_SendCmd(u8x8, 27); /* ESC */
88 u8x8_cad_SendCmd(u8x8, 55 ); /* parameter command */
89 /* increasing the "max printing dots" requires a good power supply, but LINE_EXTRA_8PIXEL_DELAY_MS could be reduced then */
90 u8x8_cad_SendCmd(u8x8, 0); /* Max printing dots,Unit(8dots),Default:7(64 dots) 8*(x+1) ... lower values improve, probably my current supply is not sufficient */
91 u8x8_cad_SendCmd(u8x8, 200); /* 3-255 Heating time,Unit(10us),Default:80(800us) */
92 u8x8_cad_SendCmd(u8x8, 2); /* 0-255 Heating interval,Unit(10us),Default:2(20us) ... does not have much influence */
93
94 //c = ((u8x8_tile_t *)arg_ptr)->cnt; /* number of tiles */
95 c = u8x8->display_info->tile_width;
96 ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr; /* data ptr to the tiles */
97
98 u8x8_cad_SendCmd(u8x8, 18); /* DC2 */
99 u8x8_cad_SendCmd(u8x8, 42 ); /* * */
100 u8x8_cad_SendCmd(u8x8, 8 ); /* height */
101 u8x8_cad_SendCmd(u8x8, c ); /* c, u8x8->display_info->tile_width */
102
103 for( j = 0; j < 8 / NO_OF_LINES_TO_SEND_WITHOUT_DELAY; j ++ )
104 {
105
106 delay_in_milliseconds = 0;
107 for( i = 0; i < NO_OF_LINES_TO_SEND_WITHOUT_DELAY; i++ )
108 {
109 u8x8_cad_SendData(u8x8, c, ptr); /* c, note: SendData can not handle more than 255 bytes, send one line of data */
110 delay_in_milliseconds += get_delay_in_milliseconds(c, ptr);
111 ptr += c;
112 }
113
114 while( delay_in_milliseconds > 200 )
115 {
116 u8x8->gpio_and_delay_cb(u8x8, U8X8_MSG_DELAY_MILLI, 200, NULL);
117 delay_in_milliseconds -= 200;
118 }
119 u8x8->gpio_and_delay_cb(u8x8, U8X8_MSG_DELAY_MILLI, delay_in_milliseconds, NULL);
120 }
121
122 /* set parameters back to their default values */
123 u8x8_cad_SendCmd(u8x8, 27); /* ESC */
124 u8x8_cad_SendCmd(u8x8, 55 ); /* parameter command */
125 u8x8_cad_SendCmd(u8x8, 7); /* Max printing dots,Unit(8dots),Default:7(64 dots) 8*(x+1)*/
126 u8x8_cad_SendCmd(u8x8, 80); /* 3-255 Heating time,Unit(10us),Default:80(800us) */
127 u8x8_cad_SendCmd(u8x8, 2); /* 0-255 Heating interval,Unit(10us),Default:2(20us)*/
128
129 u8x8_cad_EndTransfer(u8x8);
130
131 break;
132 default:
133 return 0;
134 }
135 return 1;
136 }
137
138
139 static const u8x8_display_info_t u8x8_a2printer_384x240_display_info =
140 {
141 /* most of the settings are not required, because this is a serial RS232 printer */
142
143 /* chip_enable_level = */ 1,
144 /* chip_disable_level = */ 0,
145
146 /* post_chip_enable_wait_ns = */ 5,
147 /* pre_chip_disable_wait_ns = */ 5,
148 /* reset_pulse_width_ms = */ 1,
149 /* post_reset_wait_ms = */ 6,
150 /* sda_setup_time_ns = */ 20,
151 /* sck_pulse_width_ns = */ 140,
152 /* sck_clock_hz = */ 1000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns */
153 /* spi_mode = */ 0, /* old: sck_takeover_edge, new: active high (bit 1), rising edge (bit 0) */
154 /* i2c_bus_clock_100kHz = */ 4,
155 /* data_setup_time_ns = */ 30,
156 /* write_pulse_width_ns = */ 40,
157 /* tile_width = */ 48,
158 /* tile_hight = */ 30,
159 /* default_x_offset = */ 0,
160 /* flipmode_x_offset = */ 0,
161 /* pixel_width = */ 384,
162 /* pixel_height = */ 240
163 };
164
165 uint8_t u8x8_d_a2printer_384x240(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
166 {
167 switch(msg)
168 {
169 case U8X8_MSG_DISPLAY_SETUP_MEMORY:
170 u8x8_d_helper_display_setup_memory(u8x8, &u8x8_a2printer_384x240_display_info);
171 break;
172 default:
173 return u8x8_d_a2printer_common(u8x8, msg, arg_int, arg_ptr);
174 }
175 return 1;
176 }
177
178
179
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