--- /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