diff -r 000000000000 -r 88d965579617 components/u8g2/csrc/u8x8_d_a2printer.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/components/u8g2/csrc/u8x8_d_a2printer.c Tue Oct 08 12:00:31 2019 +0200 @@ -0,0 +1,182 @@ +/* + + u8x8_d_a2printer.c + + Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/) + + Copyright (c) 2016, olikraus@gmail.com + All rights reserved. + + Redistribution and use in source and binary forms, with or without modification, + are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, this list + of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above copyright notice, this + list of conditions and the following disclaimer in the documentation and/or other + materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR + CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + + Use DC2 bitmap command of the A2 Micro panel termal printer + double stroke + + +*/ + + +#include "u8x8.h" + +#define LINE_MIN_DELAY_MS 15 +/* higher values improve quality */ +/* however if the value is too high (>=5) then form feed does not work any more */ +#define LINE_EXTRA_8PIXEL_DELAY_MS 3 +/* this must be a power of two and between 1 and 8 */ +/* best quality only with 1 */ +#define NO_OF_LINES_TO_SEND_WITHOUT_DELAY 1 + +/* calculates the delay, based on the number of black pixel */ +/* actually only "none-zero" bytes are calculated which is, of course not so accurate, but should be good enough */ +uint16_t get_delay_in_milliseconds(uint8_t cnt, uint8_t *data) +{ + uint8_t i; + uint16_t time = LINE_MIN_DELAY_MS; + for ( i = 0; i < cnt; i++ ) + if ( data[i] != 0 ) + time += LINE_EXTRA_8PIXEL_DELAY_MS; + return time; +} + +uint8_t u8x8_d_a2printer_common(u8x8_t *u8x8, uint8_t msg, U8X8_UNUSED uint8_t arg_int, void *arg_ptr) +{ + uint8_t c, i, j; + uint8_t *ptr; + uint16_t delay_in_milliseconds; + switch(msg) + { + /* U8X8_MSG_DISPLAY_SETUP_MEMORY is handled by the calling function */ + /* + case U8X8_MSG_DISPLAY_SETUP_MEMORY: + break; + */ + case U8X8_MSG_DISPLAY_INIT: + u8x8_d_helper_display_init(u8x8); + // no setup required + // u8x8_cad_SendSequence(u8x8, u8x8_d_a2printer_init_seq); + break; + case U8X8_MSG_DISPLAY_SET_POWER_SAVE: + // no powersave + break; + case U8X8_MSG_DISPLAY_DRAW_TILE: + u8x8_cad_StartTransfer(u8x8); + + u8x8_cad_SendCmd(u8x8, 27); /* ESC */ + u8x8_cad_SendCmd(u8x8, 55 ); /* parameter command */ + /* increasing the "max printing dots" requires a good power supply, but LINE_EXTRA_8PIXEL_DELAY_MS could be reduced then */ + 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 */ + u8x8_cad_SendCmd(u8x8, 200); /* 3-255 Heating time,Unit(10us),Default:80(800us) */ + u8x8_cad_SendCmd(u8x8, 2); /* 0-255 Heating interval,Unit(10us),Default:2(20us) ... does not have much influence */ + + //c = ((u8x8_tile_t *)arg_ptr)->cnt; /* number of tiles */ + c = u8x8->display_info->tile_width; + ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr; /* data ptr to the tiles */ + + u8x8_cad_SendCmd(u8x8, 18); /* DC2 */ + u8x8_cad_SendCmd(u8x8, 42 ); /* * */ + u8x8_cad_SendCmd(u8x8, 8 ); /* height */ + u8x8_cad_SendCmd(u8x8, c ); /* c, u8x8->display_info->tile_width */ + + for( j = 0; j < 8 / NO_OF_LINES_TO_SEND_WITHOUT_DELAY; j ++ ) + { + + delay_in_milliseconds = 0; + for( i = 0; i < NO_OF_LINES_TO_SEND_WITHOUT_DELAY; i++ ) + { + u8x8_cad_SendData(u8x8, c, ptr); /* c, note: SendData can not handle more than 255 bytes, send one line of data */ + delay_in_milliseconds += get_delay_in_milliseconds(c, ptr); + ptr += c; + } + + while( delay_in_milliseconds > 200 ) + { + u8x8->gpio_and_delay_cb(u8x8, U8X8_MSG_DELAY_MILLI, 200, NULL); + delay_in_milliseconds -= 200; + } + u8x8->gpio_and_delay_cb(u8x8, U8X8_MSG_DELAY_MILLI, delay_in_milliseconds, NULL); + } + + /* set parameters back to their default values */ + u8x8_cad_SendCmd(u8x8, 27); /* ESC */ + u8x8_cad_SendCmd(u8x8, 55 ); /* parameter command */ + u8x8_cad_SendCmd(u8x8, 7); /* Max printing dots,Unit(8dots),Default:7(64 dots) 8*(x+1)*/ + u8x8_cad_SendCmd(u8x8, 80); /* 3-255 Heating time,Unit(10us),Default:80(800us) */ + u8x8_cad_SendCmd(u8x8, 2); /* 0-255 Heating interval,Unit(10us),Default:2(20us)*/ + + u8x8_cad_EndTransfer(u8x8); + + break; + default: + return 0; + } + return 1; +} + + +static const u8x8_display_info_t u8x8_a2printer_384x240_display_info = +{ + /* most of the settings are not required, because this is a serial RS232 printer */ + + /* chip_enable_level = */ 1, + /* chip_disable_level = */ 0, + + /* post_chip_enable_wait_ns = */ 5, + /* pre_chip_disable_wait_ns = */ 5, + /* reset_pulse_width_ms = */ 1, + /* post_reset_wait_ms = */ 6, + /* sda_setup_time_ns = */ 20, + /* sck_pulse_width_ns = */ 140, + /* sck_clock_hz = */ 1000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns */ + /* spi_mode = */ 0, /* old: sck_takeover_edge, new: active high (bit 1), rising edge (bit 0) */ + /* i2c_bus_clock_100kHz = */ 4, + /* data_setup_time_ns = */ 30, + /* write_pulse_width_ns = */ 40, + /* tile_width = */ 48, + /* tile_hight = */ 30, + /* default_x_offset = */ 0, + /* flipmode_x_offset = */ 0, + /* pixel_width = */ 384, + /* pixel_height = */ 240 +}; + +uint8_t u8x8_d_a2printer_384x240(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) +{ + switch(msg) + { + case U8X8_MSG_DISPLAY_SETUP_MEMORY: + u8x8_d_helper_display_setup_memory(u8x8, &u8x8_a2printer_384x240_display_info); + break; + default: + return u8x8_d_a2printer_common(u8x8, msg, arg_int, arg_ptr); + } + return 1; +} + + + + + + \ No newline at end of file