297 lines
10 KiB
C
297 lines
10 KiB
C
/*
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u8x8_d_gu800.c
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Support for GU800 series of VFD displays
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https://www.noritake-elec.com/products/vfd-display-module/dot-matrix-graphic-display/gu-800-series
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Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/)
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Copyright (c) 2021, 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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u8x8_gu800_cad_110
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WARNING: DO NOT USE THIS FILE AS TEMPLATE:
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This code requires a special cad callback which includes the start
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and end transfer code. As a consequence this code does not include any
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start / end transfer calls.
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*/
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#include "u8x8.h"
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static const uint8_t u8x8_d_gu800_128x64_powersave0_seq[] = {
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U8X8_CA(0x024, 0x040), /* Byte 1: Layer 0010xx00, Byte 2: 0x40 (graphics on, normal mode, no or/xor) */
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U8X8_END() /* end of sequence */
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};
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static const uint8_t u8x8_d_gu800_128x64_powersave1_seq[] = {
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U8X8_CA(0x020, 0x040), /* Byte 1: Layer 0010xx00, Byte 2: 0x40 (graphics on, normal mode, no or/xor) */
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U8X8_END() /* end of sequence */
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};
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/* hardware flip is not supported by GU800 */
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#ifdef NOT_SUPPORTED
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static const uint8_t u8x8_d_gu800_128x64_flip0_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_END_TRANSFER(), /* disable chip */
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U8X8_END() /* end of sequence */
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};
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static const uint8_t u8x8_d_gu800_128x64_flip1_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_END_TRANSFER(), /* disable chip */
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U8X8_END() /* end of sequence */
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};
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#endif
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uint8_t u8x8_d_gu800_common(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
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{
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uint8_t x, c;
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uint8_t *ptr;
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switch(msg)
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{
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case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
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if ( arg_int == 0 )
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u8x8_cad_SendSequence(u8x8, u8x8_d_gu800_128x64_powersave0_seq);
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else
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u8x8_cad_SendSequence(u8x8, u8x8_d_gu800_128x64_powersave1_seq);
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break;
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#ifdef NOT_SUPPORTED
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case U8X8_MSG_DISPLAY_SET_FLIP_MODE:
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if ( arg_int == 0 )
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{
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u8x8_cad_SendSequence(u8x8, u8x8_d_gu800_128x64_flip0_seq);
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u8x8->x_offset = u8x8->display_info->default_x_offset;
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}
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else
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{
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u8x8_cad_SendSequence(u8x8, u8x8_d_gu800_128x64_flip1_seq);
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u8x8->x_offset = u8x8->display_info->flipmode_x_offset;
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}
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break;
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#endif
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#ifdef U8X8_WITH_SET_CONTRAST
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case U8X8_MSG_DISPLAY_SET_CONTRAST:
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u8x8_cad_SendCmd(u8x8, 0x4f - ((arg_int >> 4)&0x0f) ); /* GU800 has range from 0..15, max brightness is 0x040 */
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break;
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#endif
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case U8X8_MSG_DISPLAY_DRAW_TILE:
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x = ((u8x8_tile_t *)arg_ptr)->x_pos;
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x *= 8;
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x += u8x8->x_offset;
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u8x8_cad_SendCmd(u8x8, 0x064 );
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u8x8_cad_SendArg(u8x8, x );
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u8x8_cad_SendCmd(u8x8, 0x060 );
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u8x8_cad_SendArg(u8x8, (((u8x8_tile_t *)arg_ptr)->y_pos) );
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do
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{
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c = ((u8x8_tile_t *)arg_ptr)->cnt;
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ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
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/* SendData can not handle more than 255 bytes, treat c > 31 correctly */
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if ( c > 31 )
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{
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u8x8_cad_SendData(u8x8, 248, ptr); /* 31*8=248 */
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ptr+=248;
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c -= 31;
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}
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u8x8_cad_SendData(u8x8, c*8, ptr);
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arg_int--;
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} while( arg_int > 0 );
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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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static const uint8_t u8x8_d_gu800_128x64_init_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_C(0x05f), /* clear all RAM, clear address counters */
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U8X8_DLY(1), /* delay for 1 ms (see datasheet) */
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/* configure all area as graphics RAM */
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U8X8_CA(0x62,0), U8X8_D1(0xff),
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U8X8_CA(0x62,1), U8X8_D1(0xff),
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U8X8_CA(0x62,2), U8X8_D1(0xff),
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U8X8_CA(0x62,3), U8X8_D1(0xff),
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U8X8_CA(0x62,4), U8X8_D1(0xff),
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U8X8_CA(0x62,5), U8X8_D1(0xff),
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U8X8_CA(0x62,6), U8X8_D1(0xff),
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U8X8_CA(0x62,7), U8X8_D1(0xff),
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U8X8_CA(0x70, 0), /* horizontal shift */
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U8X8_C(0xb0), /* vertical shift */
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U8X8_C(0x40), /* min (0x04f) / max (0x040) brightness */
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U8X8_C(0x84), /* x increment */
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// U8X8_CA(0x024, 0x040) /* display on */
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U8X8_END_TRANSFER(), /* disable chip */
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U8X8_END() /* end of sequence */
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};
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static const u8x8_display_info_t u8x8_d_gu800_128x64_display_info =
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{
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/* chip_enable_level = */ 0, /* GU800: CSS signal */
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/* chip_disable_level = */ 1, /* GU800: CSS signal */
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/* post_chip_enable_wait_ns = */ 40,
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/* pre_chip_disable_wait_ns = */ 150,
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/* reset_pulse_width_ms = */ 2, /* GU800: Unspecified in datasheet */
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/* post_reset_wait_ms = */ 2, /* GU800: Min 1.5ms per datasheet */
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/* sda_setup_time_ns = */ 40, /* GU800: 40ns according to the timing diagram */
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/* sck_pulse_width_ns = */ 80, /* GU800: Min 80ns per datasheet */
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/* sck_clock_hz = */ 4000000UL,
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/* spi_mode = */ 2, /* active high, rising edge */
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/* i2c_bus_clock_100kHz = */ 4, /* GU800: Not used */
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/* data_setup_time_ns = */ 40, /* GU800: Min 40ns per datasheet */
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/* write_pulse_width_ns = */ 150, /* GU800: Min 150ns per datasheet */
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/* tile_width = */ 16, /* width of 16*8=128 pixel */
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/* tile_height = */ 8,
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/* default_x_offset = */ 0,
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/* flipmode_x_offset = */ 0,
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/* pixel_width = */ 128,
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/* pixel_height = */ 64
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};
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uint8_t u8x8_d_gu800_128x64(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
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{
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if ( u8x8_d_gu800_common(u8x8, msg, arg_int, arg_ptr) )
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return 1;
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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_d_gu800_128x64_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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u8x8_cad_SendSequence(u8x8, u8x8_d_gu800_128x64_init_seq);
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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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/* https://github.com/olikraus/u8g2/issues/1970 */
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static const uint8_t u8x8_d_gu800_160x16_init_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_C(0x05f), /* clear all RAM, clear address counters */
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U8X8_DLY(1), /* delay for 1 ms (see datasheet) */
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/* configure all area as graphics RAM */
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U8X8_CA(0x62,0), U8X8_D1(0xff),
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U8X8_CA(0x62,1), U8X8_D1(0xff),
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U8X8_CA(0x62,2), U8X8_D1(0xff),
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U8X8_CA(0x62,3), U8X8_D1(0xff),
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U8X8_CA(0x62,4), U8X8_D1(0xff),
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U8X8_CA(0x62,5), U8X8_D1(0xff),
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U8X8_CA(0x62,6), U8X8_D1(0xff),
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U8X8_CA(0x62,7), U8X8_D1(0xff),
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U8X8_CA(0x70, 0), /* horizontal shift */
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U8X8_C(0xb0), /* vertical shift */
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U8X8_C(0x40), /* min (0x04f) / max (0x040) brightness */
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U8X8_C(0x84), /* x increment */
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// U8X8_CA(0x024, 0x040) /* display on */
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U8X8_END_TRANSFER(), /* disable chip */
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U8X8_END() /* end of sequence */
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};
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static const u8x8_display_info_t u8x8_d_gu800_160x16_display_info =
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{
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/* chip_enable_level = */ 0, /* GU800: CSS signal */
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/* chip_disable_level = */ 1, /* GU800: CSS signal */
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/* post_chip_enable_wait_ns = */ 40,
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/* pre_chip_disable_wait_ns = */ 150,
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/* reset_pulse_width_ms = */ 2, /* GU800: Unspecified in datasheet */
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/* post_reset_wait_ms = */ 2, /* GU800: Min 1.5ms per datasheet */
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/* sda_setup_time_ns = */ 40, /* GU800: 40ns according to the timing diagram */
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/* sck_pulse_width_ns = */ 80, /* GU800: Min 80ns per datasheet */
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/* sck_clock_hz = */ 4000000UL,
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/* spi_mode = */ 3, /* active high, rising edge, ISSUE 1970 */
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/* i2c_bus_clock_100kHz = */ 4, /* GU800: Not used */
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/* data_setup_time_ns = */ 40, /* GU800: Min 40ns per datasheet */
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/* write_pulse_width_ns = */ 150, /* GU800: Min 150ns per datasheet */
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/* tile_width = */ 20, /* width of 8*20=160 pixel */
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/* tile_height = */ 2,
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/* default_x_offset = */ 0,
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/* flipmode_x_offset = */ 0,
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/* pixel_width = */ 160,
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/* pixel_height = */ 16
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};
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uint8_t u8x8_d_gu800_160x16(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
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{
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if ( u8x8_d_gu800_common(u8x8, msg, arg_int, arg_ptr) )
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return 1;
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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_d_gu800_160x16_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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u8x8_cad_SendSequence(u8x8, u8x8_d_gu800_160x16_init_seq);
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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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