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+/*
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+
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+ u8x8_d_sbn1661.c
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+
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+ SED1520 / SBN1661 122x32 5V LCD
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+
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+ Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/)
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+
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+ Copyright (c) 2016, olikraus@gmail.com
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+ All rights reserved.
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+
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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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+
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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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+
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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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+
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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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+
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+
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+*/
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+#include "u8x8.h"
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+
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+
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+
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+
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+static const uint8_t u8x8_d_sbn1661_init_seq[] = {
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+ U8X8_C(0x0c0), /* display start at line 0 */
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+ U8X8_C(0x0a0), /* a0: ADC forward, a1: ADC reverse */
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+ U8X8_C(0x0a4), /* a4: normal driving, a5: power save */
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+ U8X8_C(0x0a9), /* a8: 1/16, a9: 1/32 duty */
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+
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+ //U8X8_C(0x0af), /* display on */
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+
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+ U8X8_END() /* end of sequence */
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+};
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+
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+static const uint8_t u8x8_d_sbn1661_powersave0_seq[] = {
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+ U8X8_C(0x0af), /* display on */
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+ U8X8_END() /* end of sequence */
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+};
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+
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+static const uint8_t u8x8_d_sbn1661_powersave1_seq[] = {
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+ U8X8_C(0x0ae), /* display off */
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+ U8X8_END() /* end of sequence */
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+};
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+
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+
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+struct u8x8_sbn1661_vars
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+{
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+ uint8_t *ptr;
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+ uint8_t x;
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+ uint8_t c;
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+ uint8_t arg_int;
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+};
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+
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+static void u8x8_sbn1661_out(u8x8_t *u8x8, struct u8x8_sbn1661_vars *v, void *arg_ptr)
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+{
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+ uint8_t cnt;
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+ u8x8_cad_SendCmd(u8x8, 0x000 | ((v->x << 3) & 63) );
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+ u8x8_cad_SendCmd(u8x8, 0x0b8 | (((u8x8_tile_t *)arg_ptr)->y_pos));
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+
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+ while( v->arg_int > 0 )
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+ {
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+ /* calculate tiles to next boundary (end or chip limit) */
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+ cnt = v->x;
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+ cnt += 8;
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+ cnt &= 0x0f8;
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+ cnt -= v->x;
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+
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+ if ( cnt > v->c )
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+ cnt = v->c;
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+
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+ /* of course we still could use cnt=1 here... */
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+ /* but setting cnt to 1 is not very efficient */
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+ //cnt = 1;
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+
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+ v->x +=cnt;
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+ v->c-=cnt;
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+ cnt<<=3;
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+ u8x8_cad_SendData(u8x8, cnt, v->ptr); /* note: SendData can not handle more than 255 bytes */
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+ v->ptr += cnt;
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+
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+ if ( v->c == 0 )
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+ {
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+ v->ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
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+ v->c = ((u8x8_tile_t *)arg_ptr)->cnt;
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+ v->arg_int--;
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+ }
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+ if ( ((v->x) & 7) == 0 )
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+ break;
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+ }
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+}
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+
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+
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+static const u8x8_display_info_t u8x8_sbn1661_122x32_display_info =
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+{
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+ /* chip_enable_level = */ 0, /* sbn1661: Not used */
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+ /* chip_disable_level = */ 1, /* sbn1661: Not used */
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+
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+ /* post_chip_enable_wait_ns = */ 100,
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+ /* pre_chip_disable_wait_ns = */ 20,
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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 = */ 12,
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+ /* sck_pulse_width_ns = */ 75, /* sbn1661: Not used */
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+ /* sck_clock_hz = */ 4000000UL, /* sbn1661: Not used */
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+ /* spi_mode = */ 0, /* active high, rising edge */
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+ /* i2c_bus_clock_100kHz = */ 4, /* sbn1661: Not used */
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+ /* data_setup_time_ns = */ 200,
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+ /* write_pulse_width_ns = */ 200, /* */
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+ /* tile_width = */ 16, /* width of 16*8=128 pixel */
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+ /* tile_hight = */ 4,
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+ /* default_x_offset = */ 0,
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+ /* flipmode_x_offset = */ 0,
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+ /* pixel_width = */ 122,
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+ /* pixel_height = */ 32
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+};
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+
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+uint8_t u8x8_d_sbn1661_122x32(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
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+{
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+ uint8_t *ptr;
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+ //uint8_t x;
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+ //uint8_t c;
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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_sbn1661_122x32_display_info);
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+ break;
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+ case U8X8_MSG_DISPLAY_INIT:
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+ u8x8_d_helper_display_init(u8x8);
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+
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+ u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 0, NULL);
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+ u8x8_cad_SendSequence(u8x8, u8x8_d_sbn1661_init_seq);
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+ u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 0, NULL);
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+
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+ u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 1, NULL);
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+ u8x8_cad_SendSequence(u8x8, u8x8_d_sbn1661_init_seq);
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+ u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 1, NULL);
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+ break;
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+ case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
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+
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+ if ( arg_int == 0 )
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+ {
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+ u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 0, NULL);
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+ u8x8_cad_SendSequence(u8x8, u8x8_d_sbn1661_powersave0_seq);
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+ u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 0, NULL);
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+
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+ u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 1, NULL);
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+ u8x8_cad_SendSequence(u8x8, u8x8_d_sbn1661_powersave0_seq);
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+ u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 1, NULL);
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+ }
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+ else
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+ {
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+ u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 0, NULL);
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+ u8x8_cad_SendSequence(u8x8, u8x8_d_sbn1661_powersave1_seq);
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+ u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 0, NULL);
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+
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+ u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 1, NULL);
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+ u8x8_cad_SendSequence(u8x8, u8x8_d_sbn1661_powersave1_seq);
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+ u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 1, NULL);
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+
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+ }
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+ break;
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+ case U8X8_MSG_DISPLAY_DRAW_TILE:
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+
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+ ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
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+ // x and c are ignored (u8g2 only)
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+ //x = ((u8x8_tile_t *)arg_ptr)->x_pos;
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+ //c = ((u8x8_tile_t *)arg_ptr)->cnt;
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+
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+ u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 0, NULL);
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+ u8x8_cad_SendCmd(u8x8, 0x000 | 0); // column 0
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+ u8x8_cad_SendCmd(u8x8, 0x0b8 | (((u8x8_tile_t *)arg_ptr)->y_pos));
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+ u8x8_cad_SendData(u8x8, 61, ptr); /* note: SendData can not handle more than 255 bytes */
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+ u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 0, NULL);
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+
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+ ptr += 61;
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+
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+ u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 1, NULL);
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+ u8x8_cad_SendCmd(u8x8, 0x000 | 0); // column 0
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+ u8x8_cad_SendCmd(u8x8, 0x0b8 | (((u8x8_tile_t *)arg_ptr)->y_pos));
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+
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+ u8x8_cad_SendData(u8x8, 61, ptr); /* note: SendData can not handle more than 255 bytes */
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+ u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 1, NULL);
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+
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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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+
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+uint8_t u8x8_d_sed1520_122x32(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
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+{
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+ return u8x8_d_sbn1661_122x32(u8x8, msg, arg_int, arg_ptr);
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+
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+}
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