mirror of
https://github.com/olikraus/u8g2.git
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502 lines
14 KiB
C
502 lines
14 KiB
C
/*
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u8x8_d_st7302.c
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Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/)
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Copyright (c) 2024, 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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st7302:
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Ultra-Low Power Active Matrix 240 x 320
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Mono TFT Display Driver with Controller
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https://github.com/olikraus/u8g2/issues/2436
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No Hardware Flip
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No U8x8 Support
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*/
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#include "u8x8.h"
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#include <string.h>
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static const uint8_t u8x8_d_st7302_122x250_powersave0_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_C(0x29), // 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 uint8_t u8x8_d_st7302_122x250_powersave1_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_C(0x028), /* display off */
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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_st7302_122x250_flip0_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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//U8X8_CA(0x36, 0x60), // Memory Control
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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_st7302_122x250_flip1_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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//U8X8_CA(0x36, 0xa0), // Memory Control
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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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/*===================================================*/
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/* see also: http://www.technoblogy.com/show?3YB0 */
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#ifdef NOT_USED
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static uint8_t *u8x8_st7302_convert_60(u8x8_t *u8x8, uint8_t *p)
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{
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static uint8_t buf[6];
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uint8_t bytes_per_row = u8x8->display_info->tile_width;
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memset(buf, 0, 6);
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// U8X8_CA(0x36, 0x60), // Memory Control
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// first row, left 12 pixel
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if ( p[0] & 0x80 )
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buf[2] |= 0x02;
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if ( p[0] & 0x40 )
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buf[2] |= 0x08;
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if ( p[0] & 0x20 )
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buf[2] |= 0x20;
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if ( p[0] & 0x10 )
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buf[2] |= 0x80;
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if ( p[0] & 0x08 )
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buf[1] |= 0x02;
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if ( p[0] & 0x04 )
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buf[1] |= 0x08;
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if ( p[0] & 0x02 )
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buf[1] |= 0x20;
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if ( p[0] & 0x01 )
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buf[1] |= 0x80;
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if ( p[1] & 0x80 )
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buf[0] |= 0x02;
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if ( p[1] & 0x40 )
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buf[0] |= 0x08;
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if ( p[1] & 0x20 )
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buf[0] |= 0x20;
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if ( p[1] & 0x10 )
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buf[0] |= 0x80;
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// first row, right 12 pixel
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if ( p[1] & 0x08 )
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buf[5] |= 0x02;
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if ( p[1] & 0x04 )
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buf[5] |= 0x08;
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if ( p[1] & 0x02 )
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buf[5] |= 0x20;
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if ( p[1] & 0x01 )
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buf[5] |= 0x80;
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if ( p[2] & 0x80 )
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buf[4] |= 0x02;
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if ( p[2] & 0x40 )
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buf[4] |= 0x08;
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if ( p[2] & 0x20 )
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buf[4] |= 0x20;
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if ( p[2] & 0x10 )
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buf[4] |= 0x80;
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if ( p[2] & 0x08 )
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buf[3] |= 0x02;
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if ( p[2] & 0x04 )
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buf[3] |= 0x08;
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if ( p[2] & 0x02 )
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buf[3] |= 0x20;
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if ( p[2] & 0x01 )
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buf[3] |= 0x80;
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p += u8x8->display_info->tile_width;
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// second row, left 12 pixel
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if ( p[0] & 0x80 )
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buf[2] |= 0x01;
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if ( p[0] & 0x40 )
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buf[2] |= 0x04;
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if ( p[0] & 0x20 )
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buf[2] |= 0x10;
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if ( p[0] & 0x10 )
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buf[2] |= 0x40;
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if ( p[0] & 0x08 )
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buf[1] |= 0x01;
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if ( p[0] & 0x04 )
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buf[1] |= 0x04;
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if ( p[0] & 0x02 )
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buf[1] |= 0x10;
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if ( p[0] & 0x01 )
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buf[1] |= 0x40;
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if ( p[1] & 0x80 )
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buf[0] |= 0x01;
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if ( p[1] & 0x40 )
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buf[0] |= 0x04;
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if ( p[1] & 0x20 )
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buf[0] |= 0x10;
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if ( p[1] & 0x10 )
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buf[0] |= 0x40;
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// second row, right 12 pixel
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if ( p[1] & 0x08 )
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buf[5] |= 0x01;
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if ( p[1] & 0x04 )
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buf[5] |= 0x04;
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if ( p[1] & 0x02 )
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buf[5] |= 0x10;
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if ( p[1] & 0x01 )
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buf[5] |= 0x40;
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if ( p[2] & 0x80 )
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buf[4] |= 0x01;
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if ( p[2] & 0x40 )
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buf[4] |= 0x04;
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if ( p[2] & 0x20 )
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buf[4] |= 0x10;
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if ( p[2] & 0x10 )
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buf[4] |= 0x40;
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if ( p[2] & 0x08 )
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buf[3] |= 0x01;
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if ( p[2] & 0x04 )
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buf[3] |= 0x04;
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if ( p[2] & 0x02 )
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buf[3] |= 0x10;
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if ( p[2] & 0x01 )
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buf[3] |= 0x40;
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return buf;
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}
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#endif
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static uint8_t *u8x8_st7302_convert_a0(u8x8_t *u8x8, uint8_t *p)
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{
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static uint8_t buf[6];
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static uint8_t map1[16] = {
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/* 0x00 0000 */ 0,
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/* 0x01 0001 */0x01,
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/* 0x02 0010 */0x04,
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/* 0x03 0011 */0x04+0x01,
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/* 0x04 0100 */0x10,
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/* 0x05 0101 */0x10+0x01,
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/* 0x06 0110 */0x10+0x04,
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/* 0x07 0111 */0x10+0x04+0x01,
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/* 0x08 1000 */ 0x40,
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/* 0x09 1001 */ 0x40+0x01,
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/* 0x0a 1010 */ 0x40+0x04,
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/* 0x0b 1011 */ 0x40+0x04+0x01,
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/* 0x0c 1100 */ 0x40+0x10,
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/* 0x0d 1101 */ 0x40+0x10+0x01,
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/* 0x0e 1110 */ 0x40+0x10+0x04,
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/* 0x0f 1111 */ 0x40+0x10+0x04+0x01
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};
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static uint8_t map2[16] = {
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/* 0x00 0000 */ 0,
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/* 0x01 0001 */0x02,
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/* 0x02 0010 */0x08,
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/* 0x03 0011 */0x08+0x02,
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/* 0x04 0100 */0x20,
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/* 0x05 0101 */0x20+0x02,
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/* 0x06 0110 */0x20+0x08,
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/* 0x07 0111 */0x20+0x08+0x02,
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/* 0x08 1000 */ 0x80,
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/* 0x09 1001 */ 0x80+0x02,
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/* 0x0a 1010 */ 0x80+0x08,
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/* 0x0b 1011 */ 0x80+0x08+0x02,
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/* 0x0c 1100 */ 0x80+0x20,
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/* 0x0d 1101 */ 0x80+0x20+0x02,
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/* 0x0e 1110 */ 0x80+0x20+0x08,
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/* 0x0f 1111 */ 0x80+0x20+0x08+0x02
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};
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memset(buf, 0, 6);
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// U8X8_CA(0x36, 0x0), // Memory Control
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// first row, left 12 pixel
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buf[0] |= map1[p[0]>>4];
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buf[1] |= map1[p[0] & 0x0f];
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buf[2] |= map1[p[1]>>4];
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// first row, right 12 pixel
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buf[3] |= map1[p[1] & 0x0f];
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buf[4] |= map1[p[2]>>4];
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buf[5] |= map1[p[2] & 0x0f];
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p += u8x8->display_info->tile_width;
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// second row, left 12 pixel
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buf[0] |= map2[p[0]>>4];
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buf[1] |= map2[p[0] & 0x0f];
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buf[2] |= map2[p[1]>>4];
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// second row, right 12 pixel
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buf[3] |= map2[p[1] & 0x0f];
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buf[4] |= map2[p[2]>>4];
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buf[5] |= map2[p[2] & 0x0f];
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return buf;
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}
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/*===================================================*/
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/*
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see also:
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https://github.com/zhcong/ST7302-for-arduino/blob/c9390fabcacefe7c36a113cd3e62959418c13b97/libraries/ST7302SPI/ST7302SPI.cpp#L21
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*/
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static const uint8_t u8x8_d_st7302_122x250_init_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_C(0x01), // software reset
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U8X8_DLY(100),
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U8X8_C(0x28), // display off
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U8X8_CAA(0xC7, 0x26, 0xE9), // disable OSC
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U8X8_CA(0xD1, 0x00), // Booster disable
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U8X8_DLY(20),
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U8X8_C(0x10), // sleep in: enter sleep mode
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U8X8_DLY(20),
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U8X8_C(0x01), // software reset
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U8X8_DLY(20), // wait
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U8X8_C(0x38), // High Power Mode
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U8X8_CA(0xEB, 0x02), // Disable NVM Load
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U8X8_CA(0xD7, 0x68), // NVM Load Control: Enable ID1 ID2 ID3 Load
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U8X8_CA(0xD1, 0x01), // Booster Enable
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U8X8_CA(0xC0, 0x80), // Gate Voltage Setting VGH=12V (upper 4 bit, 8V-15V); VGL=-5V (lower 4 bit, -5V .. -10V)
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U8X8_C(0x0C1), // Source Voltage Control 1
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U8X8_A6(0x28,0x28,0x28,0x28,0x14,0x00), // Source high voltage in reflective and transmissive mode, gamma voltage 1&2
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U8X8_C(0x0C2), // Source Voltage Control 1
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U8X8_A4(0x00,0x00,0x00,0x00), // Source low voltage in reflective and transmissive mode
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U8X8_CA(0xCB, 0x14), // VCOMH: 0x14 = 4V (0x28 = 5V)
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U8X8_CAA(0xB4, 0xE5, 0x77), // Update Period Gate EQ Control, why 0x77??? it should be 0x66 according to the datasheet
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U8X8_A8(0xF1, 0xFF, 0xFF, 0x4F, 0xF1, 0xFF, 0xFF, 0X4F),
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U8X8_CA(0xB0, 0x64), // Duty Cycle... this must be before sleep out
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U8X8_C(0x11), // sleep out: furn off sleep mode
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U8X8_DLY(120),
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U8X8_CAA(0xC7, 0xA6, 0xE9), // Enable OSC
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U8X8_CA(0x36, 0xa0), // Memory Control
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U8X8_CA(0x3A, 0x11), // Data Format
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U8X8_CA(0xB9, 0x23), // Source Setting: Clear RAM off
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U8X8_CA(0xB8, 0x09), // Panel Setting / Panel Layout
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U8X8_CAA(0x2A, 0x05, 0x36), // col addr
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U8X8_CAA(0x2B, 0x00, 0xC7), // row addr
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U8X8_CA(0xD0, 0x1F), // Not in datasheet
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U8X8_C(0x29), // display on
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U8X8_CA(0x72, 0x00), // Not in datasheet
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U8X8_CAA(0xB2,1, 5), // Frame Rate for High and Low Power Mode (hier: 32Hz and 8Hz)
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U8X8_C(0x39), // enable Low Power Mode...: 8Hz, see above
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U8X8_DLY(100),
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/*
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U8X8_CAA(0x2A, 0x19, 0x3a), // col addr 0x14 < col < 0x3b
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U8X8_CAA(0x2B, 115, 115), // row addr (0..250, y in u8g2), 0 is top row in u8g2
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U8X8_C(0x2C), // write start
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U8X8_D1(0xff), // pixel data
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U8X8_D1(0xff), // pixel data
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U8X8_D1(0xff), // pixel data
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U8X8_D1(0xff), // pixel data
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U8X8_D1(0xff), // pixel data
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U8X8_D1(0xff), // pixel data
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U8X8_D1(0xff), // pixel data
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U8X8_D1(0xff), // pixel data
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U8X8_D1(0xff), // pixel data
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U8X8_D1(0xff), // pixel data
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U8X8_D1(0xff), // pixel data
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U8X8_D1(0xff), // pixel data
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U8X8_CAA(0x2A, 0x19, 0x3a), // col addr 0x14 < col < 0x3b
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U8X8_CAA(0x2B, 116, 116), // row addr (0..250, y in u8g2), 0 is top row in u8g2
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U8X8_C(0x2C), // write start
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U8X8_D1(0x80), // pixel data
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U8X8_D1(0x00), // pixel data
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U8X8_D1(0x00), // pixel data
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U8X8_D1(0x00), // pixel data
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U8X8_D1(0x00), // pixel data
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U8X8_D1(0x00), // pixel data
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U8X8_D1(0x00), // pixel data
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U8X8_D1(0x00), // pixel data
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U8X8_D1(0x00), // pixel data
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U8X8_D1(0x00), // pixel data
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U8X8_D1(0x00), // pixel data
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U8X8_D1(0x00), // pixel data
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*/
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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_st7302_122x250_display_info =
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{
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/* chip_enable_level = */ 0,
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/* chip_disable_level = */ 1,
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/* post_chip_enable_wait_ns = */ 20,
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/* pre_chip_disable_wait_ns = */ 20,
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/* reset_pulse_width_ms = */ 3,
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/* post_reset_wait_ms = */ 3, /**/
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/* sda_setup_time_ns = */ 10, /* */
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/* sck_pulse_width_ns = */ 30, /* */
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/* sck_clock_hz = */ 2000000UL, /* 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, /* active high, rising edge */
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/* i2c_bus_clock_100kHz = */ 4, /* 400KHz */
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/* data_setup_time_ns = */ 15,
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/* write_pulse_width_ns = */ 70,
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/* tile_width = */ 16,
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/* tile_height = */ 32,
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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 = */ 250
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};
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uint8_t u8x8_d_st7302_122x250(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
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{
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uint16_t x;
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uint8_t c, i, y;
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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_INIT:
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u8x8_d_helper_display_init(u8x8);
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u8x8_cad_SendSequence(u8x8, u8x8_d_st7302_122x250_init_seq);
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break;
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case U8X8_MSG_DISPLAY_SETUP_MEMORY:
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u8x8_d_helper_display_setup_memory(u8x8, &u8x8_st7302_122x250_display_info);
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break;
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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_st7302_122x250_powersave0_seq);
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else
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u8x8_cad_SendSequence(u8x8, u8x8_d_st7302_122x250_powersave1_seq);
|
|
break;
|
|
case U8X8_MSG_DISPLAY_SET_FLIP_MODE:
|
|
if ( arg_int == 0 )
|
|
{
|
|
u8x8_cad_SendSequence(u8x8, u8x8_d_st7302_122x250_flip0_seq);
|
|
u8x8->x_offset = u8x8->display_info->default_x_offset;
|
|
}
|
|
else
|
|
{
|
|
u8x8_cad_SendSequence(u8x8, u8x8_d_st7302_122x250_flip1_seq);
|
|
u8x8->x_offset = u8x8->display_info->flipmode_x_offset;
|
|
}
|
|
break;
|
|
#ifdef U8X8_WITH_SET_CONTRAST
|
|
case U8X8_MSG_DISPLAY_SET_CONTRAST:
|
|
u8x8_cad_StartTransfer(u8x8);
|
|
u8x8_cad_SendCmd(u8x8, 0x081 );
|
|
u8x8_cad_SendArg(u8x8, arg_int<<2 );
|
|
u8x8_cad_SendArg(u8x8, arg_int>>6 );
|
|
u8x8_cad_EndTransfer(u8x8);
|
|
break;
|
|
#endif
|
|
case U8X8_MSG_DISPLAY_DRAW_TILE:
|
|
x = ((u8x8_tile_t *)arg_ptr)->x_pos;
|
|
x *= 8;
|
|
x += u8x8->x_offset;
|
|
y= (((u8x8_tile_t *)arg_ptr)->y_pos);
|
|
y*=4;
|
|
|
|
y+=115; // specific for the 122x250 LCD
|
|
|
|
u8x8_cad_StartTransfer(u8x8);
|
|
|
|
for( i = 0; i < 4; i++ )
|
|
{
|
|
|
|
u8x8_cad_SendCmd(u8x8, 0x2a);
|
|
u8x8_cad_SendArg(u8x8, 0x19); // specific for the 122x250 LCD
|
|
u8x8_cad_SendArg(u8x8, 0x3a );
|
|
|
|
u8x8_cad_SendCmd(u8x8, 0x2b );
|
|
u8x8_cad_SendArg(u8x8, y+i);
|
|
u8x8_cad_SendArg(u8x8, y+i);
|
|
u8x8_cad_SendCmd(u8x8, 0x02c ); // write data
|
|
|
|
c = ((u8x8_tile_t *)arg_ptr)->cnt;
|
|
ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
|
|
|
|
ptr += u8x8->display_info->tile_width*i*2;
|
|
|
|
c = (c+2)/3; // calculate the number of 24 bit blocks to send
|
|
|
|
|
|
while( c > 0 )
|
|
{
|
|
u8x8_cad_SendData(u8x8, 6, u8x8_st7302_convert_a0(u8x8, ptr));
|
|
ptr+=3;
|
|
--c;
|
|
}
|
|
}
|
|
u8x8_cad_EndTransfer(u8x8);
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|