You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
160 lines
4.2 KiB
160 lines
4.2 KiB
/*
|
|
* This file is part of the Trezor project, https://trezor.io/
|
|
*
|
|
* Copyright (c) SatoshiLabs
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "lx154a2422.h"
|
|
|
|
#include "../display_io.h"
|
|
|
|
void lx154a2422_gamma(void) {
|
|
// positive voltage correction
|
|
ISSUE_CMD_BYTE(0xE0);
|
|
ISSUE_DATA_BYTE(0xD0);
|
|
ISSUE_DATA_BYTE(0x0A);
|
|
ISSUE_DATA_BYTE(0x10);
|
|
ISSUE_DATA_BYTE(0x0A);
|
|
ISSUE_DATA_BYTE(0x0A);
|
|
ISSUE_DATA_BYTE(0x26);
|
|
ISSUE_DATA_BYTE(0x36);
|
|
ISSUE_DATA_BYTE(0x34);
|
|
ISSUE_DATA_BYTE(0x4D);
|
|
ISSUE_DATA_BYTE(0x18);
|
|
ISSUE_DATA_BYTE(0x13);
|
|
ISSUE_DATA_BYTE(0x14);
|
|
ISSUE_DATA_BYTE(0x2F);
|
|
ISSUE_DATA_BYTE(0x34);
|
|
|
|
// negative voltage correction
|
|
ISSUE_CMD_BYTE(0xE1);
|
|
ISSUE_DATA_BYTE(0xD0);
|
|
ISSUE_DATA_BYTE(0x0A);
|
|
ISSUE_DATA_BYTE(0x10);
|
|
ISSUE_DATA_BYTE(0x0A);
|
|
ISSUE_DATA_BYTE(0x09);
|
|
ISSUE_DATA_BYTE(0x26);
|
|
ISSUE_DATA_BYTE(0x36);
|
|
ISSUE_DATA_BYTE(0x53);
|
|
ISSUE_DATA_BYTE(0x4C);
|
|
ISSUE_DATA_BYTE(0x18);
|
|
ISSUE_DATA_BYTE(0x14);
|
|
ISSUE_DATA_BYTE(0x14);
|
|
ISSUE_DATA_BYTE(0x2F);
|
|
ISSUE_DATA_BYTE(0x34);
|
|
}
|
|
|
|
void lx154a2422_init_seq(void) {
|
|
// most recent manual:
|
|
// https://www.newhavendisplay.com/appnotes/datasheets/LCDs/ST7789V.pdf
|
|
// TEON: Tearing Effect Line On; V-blanking only
|
|
ISSUE_CMD_BYTE(0x35);
|
|
ISSUE_DATA_BYTE(0x00);
|
|
|
|
// COLMOD: Interface Pixel format; 65K color: 16-bit/pixel (RGB 5-6-5 bits
|
|
// input)
|
|
ISSUE_CMD_BYTE(0x3A);
|
|
ISSUE_DATA_BYTE(0x55);
|
|
|
|
// CMD2EN: Commands in command table 2 can be executed when EXTC level is Low
|
|
ISSUE_CMD_BYTE(0xDF);
|
|
ISSUE_DATA_BYTE(0x5A);
|
|
ISSUE_DATA_BYTE(0x69);
|
|
ISSUE_DATA_BYTE(0x02);
|
|
ISSUE_DATA_BYTE(0x01);
|
|
|
|
// LCMCTRL: LCM Control: XOR RGB setting
|
|
ISSUE_CMD_BYTE(0xC0);
|
|
ISSUE_DATA_BYTE(0x20);
|
|
|
|
// GATECTRL: Gate Control; NL = 240 gate lines, first scan line is gate 80.;
|
|
// gate scan direction 319 -> 0
|
|
ISSUE_CMD_BYTE(0xE4);
|
|
ISSUE_DATA_BYTE(0x1D);
|
|
ISSUE_DATA_BYTE(0x0A);
|
|
ISSUE_DATA_BYTE(0x11);
|
|
|
|
// INVOFF (20h): Display Inversion Off
|
|
// INVON (21h): Display Inversion On
|
|
ISSUE_CMD_BYTE(0x21);
|
|
|
|
// the above config is the most important and definitely necessary
|
|
|
|
// PWCTRL1: Power Control 1
|
|
ISSUE_CMD_BYTE(0xD0);
|
|
ISSUE_DATA_BYTE(0xA4);
|
|
ISSUE_DATA_BYTE(0xA1);
|
|
|
|
lx154a2422_gamma();
|
|
}
|
|
|
|
void lx154a2422_rotate(int degrees, display_padding_t* padding) {
|
|
uint16_t shift = 0;
|
|
char BX = 0, BY = 0;
|
|
|
|
#define RGB (1 << 3)
|
|
#define ML (1 << 4) // vertical refresh order
|
|
#define MH (1 << 2) // horizontal refresh order
|
|
#define MV (1 << 5)
|
|
#define MX (1 << 6)
|
|
#define MY (1 << 7)
|
|
// MADCTL: Memory Data Access Control - reference:
|
|
// section 8.12 in the ST7789V manual
|
|
uint8_t display_command_parameter = 0;
|
|
switch (degrees) {
|
|
case 0:
|
|
display_command_parameter = 0;
|
|
BY = 0;
|
|
break;
|
|
case 90:
|
|
display_command_parameter = MV | MX | MH | ML;
|
|
BX = 1;
|
|
shift = 1;
|
|
break;
|
|
case 180:
|
|
display_command_parameter = MX | MY | MH | ML;
|
|
BY = 0;
|
|
shift = 1;
|
|
break;
|
|
case 270:
|
|
display_command_parameter = MV | MY;
|
|
BX = 1;
|
|
break;
|
|
}
|
|
|
|
ISSUE_CMD_BYTE(0x36);
|
|
ISSUE_DATA_BYTE(display_command_parameter);
|
|
|
|
if (shift) {
|
|
// GATECTRL: Gate Control; NL = 240 gate lines, first scan line is
|
|
// gate 80.; gate scan direction 319 -> 0
|
|
ISSUE_CMD_BYTE(0xE4);
|
|
ISSUE_DATA_BYTE(0x1D);
|
|
ISSUE_DATA_BYTE(0x00);
|
|
ISSUE_DATA_BYTE(0x11);
|
|
} else {
|
|
// GATECTRL: Gate Control; NL = 240 gate lines, first scan line is
|
|
// gate 80.; gate scan direction 319 -> 0
|
|
ISSUE_CMD_BYTE(0xE4);
|
|
ISSUE_DATA_BYTE(0x1D);
|
|
ISSUE_DATA_BYTE(0x0A);
|
|
ISSUE_DATA_BYTE(0x11);
|
|
}
|
|
|
|
padding->x = BX ? (320 - DISPLAY_RESY) : 0;
|
|
padding->y = BY ? (320 - DISPLAY_RESY) : 0;
|
|
}
|