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363 lines
11 KiB
363 lines
11 KiB
/*
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u8x8_d_st7571.c
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Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/)
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Copyright (c) 2020, 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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ST7571: 128x129 2-bit graylevel LCD
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https://github.com/olikraus/u8g2/issues/921
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https://github.com/olikraus/u8g2/issues/1575 128x96
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*/
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#include "u8x8.h"
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static const uint8_t u8x8_d_st7571_128x128_powersave0_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_C(0x071), /* exit power save mode */
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U8X8_C(0x0a8), /* disable powersave mode */
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U8X8_C(0x0af), /* 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_st7571_128x128_powersave1_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_C(0x0ae), /* display off */
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U8X8_C(0x0a9), /* enter powersave mode */
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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_st7571_128x128_flip0_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_C(0x0a0), /* segment remap a0/a1*/
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U8X8_C(0x0c8), /* c0: scan dir normal, c8: reverse */
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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_st7571_128x128_flip1_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_C(0x0a1), /* segment remap a0/a1*/
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U8X8_C(0x0c0), /* c0: scan dir normal, c8: reverse */
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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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static uint8_t u8x8_d_st7571_generic(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;
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uint8_t *ptr;
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switch(msg)
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{
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/* handled by the calling function
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case U8X8_MSG_DISPLAY_SETUP_MEMORY:
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u8x8_d_helper_display_setup_memory(u8x8, &u8x8_st7571_128x128_display_info);
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break;
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*/
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/* handled by the calling function
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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_st7571_128x128_init_seq);
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break;
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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_st7571_128x128_powersave0_seq);
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else
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u8x8_cad_SendSequence(u8x8, u8x8_d_st7571_128x128_powersave1_seq);
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break;
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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_st7571_128x128_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_st7571_128x128_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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#ifdef U8X8_WITH_SET_CONTRAST
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case U8X8_MSG_DISPLAY_SET_CONTRAST:
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u8x8_cad_StartTransfer(u8x8);
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u8x8_cad_SendCmd(u8x8, 0x081 );
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u8x8_cad_SendArg(u8x8, arg_int>>2); // 6 bit for the ST7571
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u8x8_cad_EndTransfer(u8x8);
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break;
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#endif
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case U8X8_MSG_DISPLAY_DRAW_TILE:
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u8x8_cad_StartTransfer(u8x8);
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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, 0x010 | (x>>4) );
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u8x8_cad_SendCmd(u8x8, 0x000 | ((x&15)));
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u8x8_cad_SendCmd(u8x8, 0x0b0 | (((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 */
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/*
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if ( c > 31 )
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{
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u8x8_cad_SendData(u8x8, 31*8, ptr);
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ptr+=31*8;
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c -= 31;
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}
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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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u8x8_cad_EndTransfer(u8x8);
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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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/* QT-2832TSWUG02/ZJY-2832TSWZG02 */
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/* fixed the 0x40 and 0x48 commands, verified with FlipMode example: All ok */
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static const uint8_t u8x8_d_st7571_128x128_init_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_C(0xAE), // Display OFF
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U8X8_C(0x38), // Mode Set
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U8X8_C(0xB8), // FR=1011 (85Hz), BE[1:0]=10, level 3 booster
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U8X8_C(0xA0), // ADC select
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U8X8_C(0xC8), // SHL select
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U8X8_CA(0x44, 0x00), // COM0 register
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U8X8_CA(0x40, 0x0), // initial display line (0x7f... strange but ok... maybe specific for the JLX128128)
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// 2 sep 2021: maybe this also wrong because the 0x44 command is overwritten later.
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// 4 Mar 2022: Changed to 0
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U8X8_C(0xAB), // OSC ON
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U8X8_C(0x25), // Voltage regulator
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U8X8_CA(0x81, 0x33), // Volume
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U8X8_C(0x54), // LCD Bias: 0x056=1/11 (1/11 according to JLX128128 datasheet), 0x054=1/9
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U8X8_CA(0x48, 0x80), // Duty 1/128 // 2 Sep 2021: Should this be 00x48???
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// 4 Mar 2022, cmd changed to 0x48, arg changed to 0x80
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U8X8_C(0x2C), // Power Control, VC: ON, VR: OFF, VF: OFF
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U8X8_DLY(200),
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U8X8_C(0x2E), // Power Control, VC: ON, VR: ON, VF: OFF
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U8X8_DLY(200),
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U8X8_C(0x2F), // Power Control, VC: ON, VR: ON, VF: ON
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U8X8_DLY(10),
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U8X8_C(0x7B), // command set 3
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U8X8_C(0x11), // black white mode
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U8X8_C(0x00), // exit command set 3
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U8X8_C(0xA6), // Display Inverse OFF
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U8X8_C(0xA4), // Disable Display All Pixel ON
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//U8X8_C(0xAF), // 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_st7571_128x128_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 = */ 5,
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/* post_reset_wait_ms = */ 5, /**/
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/* sda_setup_time_ns = */ 20, /* */
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/* sck_pulse_width_ns = */ 40, /* */
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/* sck_clock_hz = */ 4000000UL, /* 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 = */ 16,
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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 = */ 128
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};
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uint8_t u8x8_d_st7571_128x128(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
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{
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if ( u8x8_d_st7571_generic(u8x8, msg, arg_int, arg_ptr) != 0 )
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return 1;
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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_st7571_128x128_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_st7571_128x128_display_info);
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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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/*
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https://github.com/olikraus/u8g2/issues/1575
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http://www.jlxlcd.cn/html/zh-detail-1211.html
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*/
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static const uint8_t u8x8_d_st7571_128x96_init_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_C(0xAE), // Display OFF
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U8X8_C(0x38), // Mode Set
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//U8X8_C(0xB8), // FR=1011 (85Hz), BE[1:0]=10, level 3 booster
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U8X8_C(0x94), // 128x96: 75 Hz
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U8X8_C(0xA0), // ADC select
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U8X8_C(0xC8), // SHL select
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U8X8_CA(0x44, 0x20), // 128x96: COM0 register
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U8X8_CA(0x40, 0x00), // 128x96 datasheet
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U8X8_C(0xAB), // OSC ON
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U8X8_C(0x27), // 128x96: Voltage regulator
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U8X8_CA(0x81, 0x28), // 128x96: Volume
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U8X8_C(0x57), // 128x96: LCD Bias: 1/12
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U8X8_CA(0x48, 0x61), // 128x96: Duty 1/96
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U8X8_C(0x2C), // Power Control, VC: ON, VR: OFF, VF: OFF
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U8X8_DLY(200),
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U8X8_C(0x2E), // Power Control, VC: ON, VR: ON, VF: OFF
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U8X8_DLY(200),
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U8X8_C(0x2F), // Power Control, VC: ON, VR: ON, VF: ON
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U8X8_DLY(10),
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U8X8_C(0x7B), // command set 3
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U8X8_C(0x11), // black white mode
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U8X8_C(0x00), // exit command set 3
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U8X8_C(0xA6), // Display Inverse OFF
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U8X8_C(0xA4), // Disable Display All Pixel ON
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//U8X8_C(0xAF), // 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_st7571_128x96_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 = */ 5,
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/* post_reset_wait_ms = */ 5, /**/
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/* sda_setup_time_ns = */ 20, /* */
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/* sck_pulse_width_ns = */ 40, /* */
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/* sck_clock_hz = */ 4000000UL, /* 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 = */ 12,
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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 = */ 96
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};
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uint8_t u8x8_d_st7571_128x96(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
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{
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if ( u8x8_d_st7571_generic(u8x8, msg, arg_int, arg_ptr) != 0 )
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return 1;
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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_st7571_128x96_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_st7571_128x96_display_info);
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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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