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182 lines
6.3 KiB
182 lines
6.3 KiB
/*
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u8x8_d_a2printer.c
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Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/)
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Copyright (c) 2016, olikraus@gmail.com
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this list
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of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice, this
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list of conditions and the following disclaimer in the documentation and/or other
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materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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Use DC2 bitmap command of the A2 Micro panel termal printer
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double stroke
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*/
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#include "u8x8.h"
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#define LINE_MIN_DELAY_MS 15
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/* higher values improve quality */
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/* however if the value is too high (>=5) then form feed does not work any more */
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#define LINE_EXTRA_8PIXEL_DELAY_MS 3
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/* this must be a power of two and between 1 and 8 */
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/* best quality only with 1 */
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#define NO_OF_LINES_TO_SEND_WITHOUT_DELAY 1
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/* calculates the delay, based on the number of black pixel */
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/* actually only "none-zero" bytes are calculated which is, of course not so accurate, but should be good enough */
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uint16_t get_delay_in_milliseconds(uint8_t cnt, uint8_t *data)
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{
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uint8_t i;
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uint16_t time = LINE_MIN_DELAY_MS;
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for ( i = 0; i < cnt; i++ )
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if ( data[i] != 0 )
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time += LINE_EXTRA_8PIXEL_DELAY_MS;
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return time;
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}
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uint8_t u8x8_d_a2printer_common(u8x8_t *u8x8, uint8_t msg, U8X8_UNUSED uint8_t arg_int, void *arg_ptr)
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{
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uint8_t c, i, j;
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uint8_t *ptr;
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uint16_t delay_in_milliseconds;
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switch(msg)
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{
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/* U8X8_MSG_DISPLAY_SETUP_MEMORY is handled by the calling function */
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/*
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case U8X8_MSG_DISPLAY_SETUP_MEMORY:
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break;
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*/
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case U8X8_MSG_DISPLAY_INIT:
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u8x8_d_helper_display_init(u8x8);
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// no setup required
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// u8x8_cad_SendSequence(u8x8, u8x8_d_a2printer_init_seq);
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break;
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case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
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// no powersave
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break;
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case U8X8_MSG_DISPLAY_DRAW_TILE:
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u8x8_cad_StartTransfer(u8x8);
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u8x8_cad_SendCmd(u8x8, 27); /* ESC */
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u8x8_cad_SendCmd(u8x8, 55 ); /* parameter command */
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/* increasing the "max printing dots" requires a good power supply, but LINE_EXTRA_8PIXEL_DELAY_MS could be reduced then */
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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 */
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u8x8_cad_SendCmd(u8x8, 200); /* 3-255 Heating time,Unit(10us),Default:80(800us) */
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u8x8_cad_SendCmd(u8x8, 2); /* 0-255 Heating interval,Unit(10us),Default:2(20us) ... does not have much influence */
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//c = ((u8x8_tile_t *)arg_ptr)->cnt; /* number of tiles */
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c = u8x8->display_info->tile_width;
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ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr; /* data ptr to the tiles */
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u8x8_cad_SendCmd(u8x8, 18); /* DC2 */
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u8x8_cad_SendCmd(u8x8, 42 ); /* * */
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u8x8_cad_SendCmd(u8x8, 8 ); /* height */
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u8x8_cad_SendCmd(u8x8, c ); /* c, u8x8->display_info->tile_width */
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for( j = 0; j < 8 / NO_OF_LINES_TO_SEND_WITHOUT_DELAY; j ++ )
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{
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delay_in_milliseconds = 0;
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for( i = 0; i < NO_OF_LINES_TO_SEND_WITHOUT_DELAY; i++ )
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{
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u8x8_cad_SendData(u8x8, c, ptr); /* c, note: SendData can not handle more than 255 bytes, send one line of data */
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delay_in_milliseconds += get_delay_in_milliseconds(c, ptr);
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ptr += c;
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}
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while( delay_in_milliseconds > 200 )
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{
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u8x8->gpio_and_delay_cb(u8x8, U8X8_MSG_DELAY_MILLI, 200, NULL);
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delay_in_milliseconds -= 200;
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}
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u8x8->gpio_and_delay_cb(u8x8, U8X8_MSG_DELAY_MILLI, delay_in_milliseconds, NULL);
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}
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/* set parameters back to their default values */
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u8x8_cad_SendCmd(u8x8, 27); /* ESC */
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u8x8_cad_SendCmd(u8x8, 55 ); /* parameter command */
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u8x8_cad_SendCmd(u8x8, 7); /* Max printing dots,Unit(8dots),Default:7(64 dots) 8*(x+1)*/
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u8x8_cad_SendCmd(u8x8, 80); /* 3-255 Heating time,Unit(10us),Default:80(800us) */
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u8x8_cad_SendCmd(u8x8, 2); /* 0-255 Heating interval,Unit(10us),Default:2(20us)*/
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u8x8_cad_EndTransfer(u8x8);
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break;
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default:
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return 0;
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}
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return 1;
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}
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static const u8x8_display_info_t u8x8_a2printer_384x240_display_info =
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{
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/* most of the settings are not required, because this is a serial RS232 printer */
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/* chip_enable_level = */ 1,
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/* chip_disable_level = */ 0,
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/* post_chip_enable_wait_ns = */ 5,
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/* pre_chip_disable_wait_ns = */ 5,
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/* reset_pulse_width_ms = */ 1,
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/* post_reset_wait_ms = */ 6,
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/* sda_setup_time_ns = */ 20,
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/* sck_pulse_width_ns = */ 140,
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/* sck_clock_hz = */ 1000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns */
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/* spi_mode = */ 0, /* old: sck_takeover_edge, new: active high (bit 1), rising edge (bit 0) */
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/* i2c_bus_clock_100kHz = */ 4,
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/* data_setup_time_ns = */ 30,
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/* write_pulse_width_ns = */ 40,
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/* tile_width = */ 48,
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/* tile_height = */ 30,
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/* default_x_offset = */ 0,
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/* flipmode_x_offset = */ 0,
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/* pixel_width = */ 384,
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/* pixel_height = */ 240
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};
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uint8_t u8x8_d_a2printer_384x240(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
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{
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switch(msg)
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{
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case U8X8_MSG_DISPLAY_SETUP_MEMORY:
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u8x8_d_helper_display_setup_memory(u8x8, &u8x8_a2printer_384x240_display_info);
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break;
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default:
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return u8x8_d_a2printer_common(u8x8, msg, arg_int, arg_ptr);
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}
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return 1;
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}
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