/* u8x8_d_st7571.c Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/) Copyright (c) 2020, olikraus@gmail.com All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ST7571: 128x129 2-bit graylevel LCD https://github.com/olikraus/u8g2/issues/921 https://github.com/olikraus/u8g2/issues/1575 128x96 https://github.com/olikraus/u8g2/issues/2575 another 128x96 display */ #include "u8x8.h" static const uint8_t u8x8_d_st7571_128x128_powersave0_seq[] = { U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ U8X8_C(0x071), /* exit power save mode */ U8X8_C(0x0a8), /* disable powersave mode */ U8X8_C(0x0af), /* display on */ U8X8_END_TRANSFER(), /* disable chip */ U8X8_END() /* end of sequence */ }; static const uint8_t u8x8_d_st7571_128x128_powersave1_seq[] = { U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ U8X8_C(0x0ae), /* display off */ U8X8_C(0x0a9), /* enter powersave mode */ U8X8_END_TRANSFER(), /* disable chip */ U8X8_END() /* end of sequence */ }; static const uint8_t u8x8_d_st7571_128x128_flip0_seq[] = { U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ U8X8_C(0x0a0), /* segment remap a0/a1*/ U8X8_C(0x0c8), /* c0: scan dir normal, c8: reverse */ U8X8_END_TRANSFER(), /* disable chip */ U8X8_END() /* end of sequence */ }; static const uint8_t u8x8_d_st7571_128x128_flip1_seq[] = { U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ U8X8_C(0x0a1), /* segment remap a0/a1*/ U8X8_C(0x0c0), /* c0: scan dir normal, c8: reverse */ U8X8_END_TRANSFER(), /* disable chip */ U8X8_END() /* end of sequence */ }; /*===================================================*/ static uint8_t u8x8_d_st7571_generic(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) { uint16_t x; uint8_t c; uint8_t *ptr; switch(msg) { /* handled by the calling function case U8X8_MSG_DISPLAY_SETUP_MEMORY: u8x8_d_helper_display_setup_memory(u8x8, &u8x8_st7571_128x128_display_info); break; */ /* handled by the calling function case U8X8_MSG_DISPLAY_INIT: u8x8_d_helper_display_init(u8x8); u8x8_cad_SendSequence(u8x8, u8x8_d_st7571_128x128_init_seq); break; */ case U8X8_MSG_DISPLAY_SET_POWER_SAVE: if ( arg_int == 0 ) u8x8_cad_SendSequence(u8x8, u8x8_d_st7571_128x128_powersave0_seq); else u8x8_cad_SendSequence(u8x8, u8x8_d_st7571_128x128_powersave1_seq); break; case U8X8_MSG_DISPLAY_SET_FLIP_MODE: if ( arg_int == 0 ) { u8x8_cad_SendSequence(u8x8, u8x8_d_st7571_128x128_flip0_seq); u8x8->x_offset = u8x8->display_info->default_x_offset; } else { u8x8_cad_SendSequence(u8x8, u8x8_d_st7571_128x128_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); // 6 bit for the ST7571 u8x8_cad_EndTransfer(u8x8); break; #endif case U8X8_MSG_DISPLAY_DRAW_TILE: u8x8_cad_StartTransfer(u8x8); x = ((u8x8_tile_t *)arg_ptr)->x_pos; x *= 8; x += u8x8->x_offset; u8x8_cad_SendCmd(u8x8, 0x010 | (x>>4) ); u8x8_cad_SendCmd(u8x8, 0x000 | ((x&15))); u8x8_cad_SendCmd(u8x8, 0x0b0 | (((u8x8_tile_t *)arg_ptr)->y_pos)); do { c = ((u8x8_tile_t *)arg_ptr)->cnt; ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr; /* SendData can not handle more than 255 bytes */ /* if ( c > 31 ) { u8x8_cad_SendData(u8x8, 31*8, ptr); ptr+=31*8; c -= 31; } */ u8x8_cad_SendData(u8x8, c*8, ptr); arg_int--; } while( arg_int > 0 ); u8x8_cad_EndTransfer(u8x8); break; default: return 0; } return 1; } /*===================================================*/ /* QT-2832TSWUG02/ZJY-2832TSWZG02 */ /* fixed the 0x40 and 0x48 commands, verified with FlipMode example: All ok */ static const uint8_t u8x8_d_st7571_128x128_init_seq[] = { U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ U8X8_C(0xAE), // Display OFF U8X8_C(0x38), // Mode Set U8X8_C(0xB8), // FR=1011 (85Hz), BE[1:0]=10, level 3 booster U8X8_C(0xA0), // ADC select U8X8_C(0xC8), // SHL select U8X8_CA(0x44, 0x00), // COM0 register U8X8_CA(0x40, 0x0), // initial display line (0x7f... strange but ok... maybe specific for the JLX128128) // 2 sep 2021: maybe this also wrong because the 0x44 command is overwritten later. // 4 Mar 2022: Changed to 0 U8X8_C(0xAB), // OSC ON U8X8_C(0x25), // Voltage regulator U8X8_CA(0x81, 0x33), // Volume U8X8_C(0x54), // LCD Bias: 0x056=1/11 (1/11 according to JLX128128 datasheet), 0x054=1/9 U8X8_CA(0x48, 0x80), // Duty 1/128 // 2 Sep 2021: Should this be 00x48??? // 4 Mar 2022, cmd changed to 0x48, arg changed to 0x80 U8X8_C(0x2C), // Power Control, VC: ON, VR: OFF, VF: OFF U8X8_DLY(200), U8X8_C(0x2E), // Power Control, VC: ON, VR: ON, VF: OFF U8X8_DLY(200), U8X8_C(0x2F), // Power Control, VC: ON, VR: ON, VF: ON U8X8_DLY(10), U8X8_C(0x7B), // command set 3 U8X8_C(0x11), // black white mode U8X8_C(0x00), // exit command set 3 U8X8_C(0xA6), // Display Inverse OFF U8X8_C(0xA4), // Disable Display All Pixel ON //U8X8_C(0xAF), // Display on U8X8_END_TRANSFER(), /* disable chip */ U8X8_END() /* end of sequence */ }; static const u8x8_display_info_t u8x8_st7571_128x128_display_info = { /* chip_enable_level = */ 0, /* chip_disable_level = */ 1, /* post_chip_enable_wait_ns = */ 20, /* pre_chip_disable_wait_ns = */ 20, /* reset_pulse_width_ms = */ 5, /* post_reset_wait_ms = */ 5, /**/ /* sda_setup_time_ns = */ 20, /* */ /* sck_pulse_width_ns = */ 40, /* */ /* sck_clock_hz = */ 4000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns */ /* spi_mode = */ 0, /* active high, rising edge */ /* i2c_bus_clock_100kHz = */ 4, /* 400KHz */ /* data_setup_time_ns = */ 15, /* write_pulse_width_ns = */ 70, /* tile_width = */ 16, /* tile_height = */ 16, /* default_x_offset = */ 0, /* flipmode_x_offset = */ 0, /* pixel_width = */ 128, /* pixel_height = */ 128 }; uint8_t u8x8_d_st7571_128x128(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) { if ( u8x8_d_st7571_generic(u8x8, msg, arg_int, arg_ptr) != 0 ) return 1; switch(msg) { case U8X8_MSG_DISPLAY_INIT: u8x8_d_helper_display_init(u8x8); u8x8_cad_SendSequence(u8x8, u8x8_d_st7571_128x128_init_seq); break; case U8X8_MSG_DISPLAY_SETUP_MEMORY: u8x8_d_helper_display_setup_memory(u8x8, &u8x8_st7571_128x128_display_info); break; default: return 0; } return 1; } /*===================================================*/ /* https://github.com/olikraus/u8g2/issues/1575 http://www.jlxlcd.cn/html/zh-detail-1211.html */ static const uint8_t u8x8_d_st7571_128x96_init_seq[] = { U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ U8X8_C(0xAE), // Display OFF U8X8_C(0x38), // Mode Set //U8X8_C(0xB8), // FR=1011 (85Hz), BE[1:0]=10, level 3 booster U8X8_C(0x94), // 128x96: 75 Hz U8X8_C(0xA0), // ADC select U8X8_C(0xC8), // SHL select U8X8_CA(0x44, 0x20), // 128x96: COM0 register U8X8_CA(0x40, 0x00), // 128x96 datasheet U8X8_C(0xAB), // OSC ON U8X8_C(0x27), // 128x96: Voltage regulator U8X8_CA(0x81, 0x28), // 128x96: Volume U8X8_C(0x57), // 128x96: LCD Bias: 1/12 U8X8_CA(0x48, 0x61), // 128x96: Duty 1/96 U8X8_C(0x2C), // Power Control, VC: ON, VR: OFF, VF: OFF U8X8_DLY(200), U8X8_C(0x2E), // Power Control, VC: ON, VR: ON, VF: OFF U8X8_DLY(200), U8X8_C(0x2F), // Power Control, VC: ON, VR: ON, VF: ON U8X8_DLY(10), U8X8_C(0x7B), // command set 3 U8X8_C(0x11), // black white mode U8X8_C(0x00), // exit command set 3 U8X8_C(0xA6), // Display Inverse OFF U8X8_C(0xA4), // Disable Display All Pixel ON //U8X8_C(0xAF), // Display on U8X8_END_TRANSFER(), /* disable chip */ U8X8_END() /* end of sequence */ }; static const u8x8_display_info_t u8x8_st7571_128x96_display_info = { /* chip_enable_level = */ 0, /* chip_disable_level = */ 1, /* post_chip_enable_wait_ns = */ 20, /* pre_chip_disable_wait_ns = */ 20, /* reset_pulse_width_ms = */ 5, /* post_reset_wait_ms = */ 5, /**/ /* sda_setup_time_ns = */ 20, /* */ /* sck_pulse_width_ns = */ 40, /* */ /* sck_clock_hz = */ 4000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns */ /* spi_mode = */ 0, /* active high, rising edge */ /* i2c_bus_clock_100kHz = */ 4, /* 400KHz */ /* data_setup_time_ns = */ 15, /* write_pulse_width_ns = */ 70, /* tile_width = */ 16, /* tile_height = */ 12, /* default_x_offset = */ 0, /* flipmode_x_offset = */ 0, /* pixel_width = */ 128, /* pixel_height = */ 96 }; uint8_t u8x8_d_st7571_128x96(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) { if ( u8x8_d_st7571_generic(u8x8, msg, arg_int, arg_ptr) != 0 ) return 1; switch(msg) { case U8X8_MSG_DISPLAY_INIT: u8x8_d_helper_display_init(u8x8); u8x8_cad_SendSequence(u8x8, u8x8_d_st7571_128x96_init_seq); break; case U8X8_MSG_DISPLAY_SETUP_MEMORY: u8x8_d_helper_display_setup_memory(u8x8, &u8x8_st7571_128x96_display_info); break; default: return 0; } return 1; } /*===================================================*/ /* ccsb4736w g12896 display https://github.com/olikraus/u8g2/issues/2575 reusing u8x8_st7571_128x96_display_info */ static const uint8_t u8x8_d_st7571_g12896_init_seq[] = { U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ U8X8_C(0xAE), // Display OFF U8X8_C(0x38), // Mode Set //U8X8_C(0xB8), // FR=1011 (85Hz), BE[1:0]=10, level 3 booster U8X8_C(0x94), // 128x96: 75 Hz U8X8_C(0xA0), // ADC select U8X8_C(0xC8), // SHL select U8X8_CA(0x44, 0x00), // 128x96: COM0 register https://github.com/olikraus/u8g2/issues/2575 U8X8_CA(0x40, 0x00), // 128x96 datasheet U8X8_C(0xAB), // OSC ON U8X8_C(0x27), // 128x96: Voltage regulator U8X8_CA(0x81, 0x28), // 128x96: Volume U8X8_C(0x57), // 128x96: LCD Bias: 1/12 U8X8_CA(0x48, 0x61), // 128x96: Duty 1/96 U8X8_C(0x2C), // Power Control, VC: ON, VR: OFF, VF: OFF U8X8_DLY(200), U8X8_C(0x2E), // Power Control, VC: ON, VR: ON, VF: OFF U8X8_DLY(200), U8X8_C(0x2F), // Power Control, VC: ON, VR: ON, VF: ON U8X8_DLY(10), U8X8_C(0x7B), // command set 3 U8X8_C(0x11), // black white mode U8X8_C(0x00), // exit command set 3 U8X8_C(0xA6), // Display Inverse OFF U8X8_C(0xA4), // Disable Display All Pixel ON //U8X8_C(0xAF), // Display on U8X8_END_TRANSFER(), /* disable chip */ U8X8_END() /* end of sequence */ }; uint8_t u8x8_d_st7571_g12896(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) { if ( u8x8_d_st7571_generic(u8x8, msg, arg_int, arg_ptr) != 0 ) return 1; switch(msg) { case U8X8_MSG_DISPLAY_INIT: u8x8_d_helper_display_init(u8x8); u8x8_cad_SendSequence(u8x8, u8x8_d_st7571_g12896_init_seq); break; case U8X8_MSG_DISPLAY_SETUP_MEMORY: u8x8_d_helper_display_setup_memory(u8x8, &u8x8_st7571_128x96_display_info); break; default: return 0; } return 1; }