/* u8x8_d_st75320.c Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/) Copyright (c) 2019, 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. ST75320: 320x240 monochrome LCD https://github.com/olikraus/u8g2/issues/921 */ #include "u8x8.h" static const uint8_t u8x8_d_st75320_jlx320240_powersave0_seq[] = { U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ U8X8_C(0x0af), /* display on */ U8X8_END_TRANSFER(), /* disable chip */ U8X8_END() /* end of sequence */ }; static const uint8_t u8x8_d_st75320_jlx320240_powersave1_seq[] = { U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ U8X8_C(0x0ae), /* display off */ U8X8_END_TRANSFER(), /* disable chip */ U8X8_END() /* end of sequence */ }; static const uint8_t u8x8_d_st75320_jlx320240_flip0_seq[] = { U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ U8X8_CA(0xC4, 0x02), /* COM Output Status, Bits 0 & 1 */ U8X8_C(0xA1), /* Column Address Direction: Bit 0 */ //U8X8_C(0x0a1), /* 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_st75320_jlx320240_flip1_seq[] = { U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ //U8X8_C(0x0a0), /* segment remap a0/a1*/ //U8X8_C(0x0c0), /* c0: scan dir normal, c8: reverse */ U8X8_CA(0xC4, 0x03), /* COM Output Status, Bits 0 & 1 */ U8X8_C(0xA0), /* Column Address Direction: Bit 0 */ U8X8_END_TRANSFER(), /* disable chip */ U8X8_END() /* end of sequence */ }; /*===================================================*/ static uint8_t u8x8_d_st75320_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_st75320_jlx320240_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_st75320_jlx320240_init_seq); break; */ case U8X8_MSG_DISPLAY_SET_POWER_SAVE: if ( arg_int == 0 ) u8x8_cad_SendSequence(u8x8, u8x8_d_st75320_jlx320240_powersave0_seq); else u8x8_cad_SendSequence(u8x8, u8x8_d_st75320_jlx320240_powersave1_seq); break; case U8X8_MSG_DISPLAY_SET_FLIP_MODE: if ( arg_int == 0 ) { u8x8_cad_SendSequence(u8x8, u8x8_d_st75320_jlx320240_flip0_seq); u8x8->x_offset = u8x8->display_info->default_x_offset; } else { u8x8_cad_SendSequence(u8x8, u8x8_d_st75320_jlx320240_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; u8x8_cad_StartTransfer(u8x8); u8x8_cad_SendCmd(u8x8, 0x013); u8x8_cad_SendArg(u8x8, (x>>8) ); u8x8_cad_SendArg(u8x8, (x&255) ); u8x8_cad_SendCmd(u8x8, 0x0b1 ); u8x8_cad_SendArg(u8x8, (((u8x8_tile_t *)arg_ptr)->y_pos)); u8x8_cad_SendCmd(u8x8, 0x01d ); // write data 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, 248, ptr); /* 31*8=248 */ ptr+=248; 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 */ static const uint8_t u8x8_d_st75320_jlx320240_init_seq[] = { U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ U8X8_C(0xAE), // Display OFF U8X8_CA(0xEA, 0x00), // Power Discharge Control, Discharge OFF U8X8_C(0xA8), // sleep out U8X8_C(0xAB), // OSC ON U8X8_C(0x69), // Temperature Detection ON U8X8_C(0x4E), // TC Setting U8X8_A8(0xff, 0x44, 0x12, 0x11, 0x11, 0x11, 0x22, 0x23), U8X8_CAA(0x39, 0x00, 0x00), //TC Flag U8X8_CA(0x2B, 0x00), // Frame Rate Level U8X8_CAA(0x5F, 0x66, 0x66), // Set Frame Frequency, fFR=80Hz in all temperature range U8X8_CAAA(0xEC, 0x19, 0x64, 0x6e), // FR Compensation Temp. Range, TA = -15 degree, TB = 60 degree, TC = 70 degree U8X8_CAA(0xED, 0x04, 0x04), // Temp. Hysteresis Value (thermal sensitivity) U8X8_C(0xA6), // Display Inverse OFF U8X8_C(0xA4), // Disable Display All Pixel ON U8X8_CA(0xC4, 0x02), // COM Output Status U8X8_C(0xA1), // Column Address Direction: MX=0 U8X8_CAA(0x6D, 0x07, 0x00), // Display Area, Duty = 1/240 duty, Start Group = 1 U8X8_C(0x84), // Display Data Input Direction: Column U8X8_CA(0x36, 0x1e), // Set N-Line U8X8_C(0xE4), // N-Line On U8X8_CA(0xE7, 0x19), // LCD Drive Method //NLFR=1// U8X8_CAA(0x81, 0x4f, 0x01), // OX81: Set EV=64h, 0..255, 0..3 U8X8_CA(0xA2, 0x0a), // BIAS //1/16 BIAS U8X8_CA(0x25, 0x020), // Power Control //AVDD ON U8X8_DLY(10), U8X8_CA(0x25, 0x60), // Power Control//AVDD, MV3 & NAVDD ON U8X8_DLY(10), U8X8_CA(0x25, 0x70), // Power Control //AVDD, MV3, NAVDD & V3 ON U8X8_DLY(10), U8X8_CA(0x25, 0x78), // Power Control//AVDD, MV3, NAVDD, V3 & VPF ON U8X8_DLY(10), U8X8_CA(0x25, 0x7c), // Power Control//AVDD, MV3, NAVDD, V3, VPF & VNF ON U8X8_DLY(10), U8X8_CA(0x25, 0x7e), // Power Control//VOUT, AVDD, MV3, NAVDD, V3, VPF & VNF ON U8X8_DLY(10), U8X8_CA(0x25, 0x7f), // Power Control/VOUT, AVDD, MV3, NAVDD, V3, VPF & VNF ON U8X8_DLY(10), //U8X8_C(0xaf); //Display ON U8X8_END_TRANSFER(), /* disable chip */ U8X8_END() /* end of sequence */ }; static const u8x8_display_info_t u8x8_st75320_jlx320240_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 = */ 40, /* tile_height = */ 30, /* default_x_offset = */ 0, /* flipmode_x_offset = */ 0, /* pixel_width = */ 320, /* pixel_height = */ 240 }; uint8_t u8x8_d_st75320_jlx320240(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) { if ( u8x8_d_st75320_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_st75320_jlx320240_init_seq); break; case U8X8_MSG_DISPLAY_SETUP_MEMORY: u8x8_d_helper_display_setup_memory(u8x8, &u8x8_st75320_jlx320240_display_info); break; default: return 0; } return 1; }