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fix(core): fix gamma correction for Model T

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tychovrahe/T3W1/devkit1_with_ble_sq3
tychovrahe 1 year ago
parent b757bff185
commit d6ce4035dc
14 changed files with 420 additions and 261 deletions
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1
core/.changelog.d/2955.fixed
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Fixed gamma correction settings for Model T

1
core/embed/boardloader/.changelog.d/2955.fixed
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@ -0,0 +1 @@
Fixed gamma correction settings for Model T

1
core/embed/bootloader/.changelog.d/2955.fixed
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Fixed gamma correction settings for Model T

44
core/embed/trezorhal/displays/panels/LX154A2411.c
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#include "displays/st7789v.h"
void lx154a2411_init_seq() {
// most recent manual:
// https://www.newhavendisplay.com/appnotes/datasheets/LCDs/ST7789V.pdf
// TEON: Tearing Effect Line On; V-blanking only
CMD(0x35);
DATA(0x00);
// COLMOD: Interface Pixel format; 65K color: 16-bit/pixel (RGB 5-6-5 bits
// input)
CMD(0x3A);
DATA(0x55);
// CMD2EN: Commands in command table 2 can be executed when EXTC level is Low
CMD(0xDF);
DATA(0x5A);
DATA(0x69);
DATA(0x02);
DATA(0x01);
// LCMCTRL: LCM Control: XOR RGB setting
CMD(0xC0);
DATA(0x20);
// GATECTRL: Gate Control; NL = 240 gate lines, first scan line is gate 80.;
// gate scan direction 319 -> 0
CMD(0xE4);
DATA(0x1D);
DATA(0x0A);
DATA(0x11);
// INVOFF (20h): Display Inversion Off
// INVON (21h): Display Inversion On
CMD(0x20);
// the above config is the most important and definitely necessary
// PWCTRL1: Power Control 1
CMD(0xD0);
DATA(0xA4);
DATA(0xA1);
}

8
core/embed/trezorhal/displays/panels/LX154A2411.h
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#ifndef TT_OLD3_H_
#define TT_OLD3_H_
// ST7789_V IC controller
void lx154a2411_init_seq(void);
#endif

82
core/embed/trezorhal/displays/panels/LX154A2422.c
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#include "displays/st7789v.h"
void lx154a2422_gamma() {
// positive voltage correction
CMD(0xE0);
DATA(0xD0);
DATA(0x0A);
DATA(0x10);
DATA(0x0A);
DATA(0x0A);
DATA(0x26);
DATA(0x36);
DATA(0x34);
DATA(0x4D);
DATA(0x18);
DATA(0x13);
DATA(0x14);
DATA(0x2F);
DATA(0x34);
// negative voltage correction
CMD(0xE1);
DATA(0xD0);
DATA(0x0A);
DATA(0x10);
DATA(0x0A);
DATA(0x09);
DATA(0x26);
DATA(0x36);
DATA(0x53);
DATA(0x4C);
DATA(0x18);
DATA(0x14);
DATA(0x14);
DATA(0x2F);
DATA(0x34);
}
void lx154a2422_init_seq() {
// most recent manual:
// https://www.newhavendisplay.com/appnotes/datasheets/LCDs/ST7789V.pdf
// TEON: Tearing Effect Line On; V-blanking only
CMD(0x35);
DATA(0x00);
// COLMOD: Interface Pixel format; 65K color: 16-bit/pixel (RGB 5-6-5 bits
// input)
CMD(0x3A);
DATA(0x55);
// CMD2EN: Commands in command table 2 can be executed when EXTC level is Low
CMD(0xDF);
DATA(0x5A);
DATA(0x69);
DATA(0x02);
DATA(0x01);
// LCMCTRL: LCM Control: XOR RGB setting
CMD(0xC0);
DATA(0x20);
// GATECTRL: Gate Control; NL = 240 gate lines, first scan line is gate 80.;
// gate scan direction 319 -> 0
CMD(0xE4);
DATA(0x1D);
DATA(0x0A);
DATA(0x11);
// INVOFF (20h): Display Inversion Off
// INVON (21h): Display Inversion On
CMD(0x21);
// the above config is the most important and definitely necessary
// PWCTRL1: Power Control 1
CMD(0xD0);
DATA(0xA4);
DATA(0xA1);
lx154a2422_gamma();
}

7
core/embed/trezorhal/displays/panels/LX154A2422.h
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@ -0,0 +1,7 @@
#ifndef LX154A2422_H_
#define LX154A2422_H_
void lx154a2422_init_seq();
void lx154a2422_gamma();
#endif

93
core/embed/trezorhal/displays/panels/tt_old1.c
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#include "displays/st7789v.h"
void tt_old1_init_seq(void) {
// Inter Register Enable1
CMD(0xFE);
// Inter Register Enable2
CMD(0xEF);
// TEON: Tearing Effect Line On; V-blanking only
CMD(0x35);
DATA(0x00);
// COLMOD: Interface Pixel format; 65K color: 16-bit/pixel (RGB 5-6-5 bits
// input)
CMD(0x3A);
DATA(0x55);
// Frame Rate
// CMD(0xE8); DATA(0x12); DATA(0x00);
// Power Control 2
CMD(0xC3);
DATA(0x27);
// Power Control 3
CMD(0xC4);
DATA(0x18);
// Power Control 4
CMD(0xC9);
DATA(0x1F);
CMD(0xC5);
DATA(0x0F);
CMD(0xC6);
DATA(0x00);
CMD(0xC7);
DATA(0x10);
CMD(0xC8);
DATA(0x01);
CMD(0xFF);
DATA(0x62);
CMD(0x99);
DATA(0x3E);
CMD(0x9D);
DATA(0x4B);
CMD(0x8E);
DATA(0x0F);
// SET_GAMMA1
CMD(0xF0);
DATA(0x8F);
DATA(0x1B);
DATA(0x05);
DATA(0x06);
DATA(0x07);
DATA(0x42);
// SET_GAMMA3
CMD(0xF2);
DATA(0x5C);
DATA(0x1F);
DATA(0x12);
DATA(0x10);
DATA(0x07);
DATA(0x43);
// SET_GAMMA2
CMD(0xF1);
DATA(0x59);
DATA(0xCF);
DATA(0xCF);
DATA(0x35);
DATA(0x37);
DATA(0x8F);
// SET_GAMMA4
CMD(0xF3);
DATA(0x58);
DATA(0xCF);
DATA(0xCF);
DATA(0x35);
DATA(0x37);
DATA(0x8F);
}

8
core/embed/trezorhal/displays/panels/tt_old1.h
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@ -0,0 +1,8 @@
#ifndef TT_OLD1_H_
#define TT_OLD1_H_
// GC9307 IC controller
void tt_old1_init_seq(void);
#endif

115
core/embed/trezorhal/displays/panels/tt_old2.c
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#include "displays/st7789v.h"
void tt_old2_init_seq(void) {
// most recent manual: https://www.newhavendisplay.com/app_notes/ILI9341.pdf
// TEON: Tearing Effect Line On; V-blanking only
CMD(0x35);
DATA(0x00);
// COLMOD: Interface Pixel format; 65K color: 16-bit/pixel (RGB 5-6-5 bits
// input)
CMD(0x3A);
DATA(0x55);
// Display Function Control: gate scan direction 319 -> 0
CMD(0xB6);
DATA(0x0A);
DATA(0xC2);
DATA(0x27);
DATA(0x00);
// Interface Control: XOR BGR as ST7789V does
CMD(0xF6);
DATA(0x09);
DATA(0x30);
DATA(0x00);
// the above config is the most important and definitely necessary
CMD(0xCF);
DATA(0x00);
DATA(0xC1);
DATA(0x30);
CMD(0xED);
DATA(0x64);
DATA(0x03);
DATA(0x12);
DATA(0x81);
CMD(0xE8);
DATA(0x85);
DATA(0x10);
DATA(0x7A);
CMD(0xF7);
DATA(0x20);
CMD(0xEA);
DATA(0x00);
DATA(0x00);
// power control VRH[5:0]
CMD(0xC0);
DATA(0x23);
// power control SAP[2:0] BT[3:0]
CMD(0xC1);
DATA(0x12);
// vcm control 1
CMD(0xC5);
DATA(0x60);
DATA(0x44);
// vcm control 2
CMD(0xC7);
DATA(0x8A);
// framerate
CMD(0xB1);
DATA(0x00);
DATA(0x18);
// 3 gamma func disable
CMD(0xF2);
DATA(0x00);
// gamma curve 1
CMD(0xE0);
DATA(0x0F);
DATA(0x2F);
DATA(0x2C);
DATA(0x0B);
DATA(0x0F);
DATA(0x09);
DATA(0x56);
DATA(0xD9);
DATA(0x4A);
DATA(0x0B);
DATA(0x14);
DATA(0x05);
DATA(0x0C);
DATA(0x06);
DATA(0x00);
// gamma curve 2
CMD(0xE1);
DATA(0x00);
DATA(0x10);
DATA(0x13);
DATA(0x04);
DATA(0x10);
DATA(0x06);
DATA(0x25);
DATA(0x26);
DATA(0x3B);
DATA(0x04);
DATA(0x0B);
DATA(0x0A);
DATA(0x33);
DATA(0x39);
DATA(0x0F);
}

8
core/embed/trezorhal/displays/panels/tt_old2.h
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@ -0,0 +1,8 @@
#ifndef TT_OLD2_H_
#define TT_OLD2_H_
// ILI9341 IC controller
void tt_old2_init_seq(void);
#endif

308
core/embed/trezorhal/displays/st7789v.c
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@ -17,6 +17,7 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdbool.h>
#include <stdint.h>
#include TREZOR_BOARD
#include "display_interface.h"
@ -24,11 +25,18 @@
#include "st7789v.h"
#include STM32_HAL_H
#ifdef TREZOR_MODEL_T
#include "displays/panels/LX154A2411.h"
#include "displays/panels/LX154A2422.h"
#include "displays/panels/tt_old1.h"
#include "displays/panels/tt_old2.h"
#endif
// using const volatile instead of #define results in binaries that change
// only in 1-byte when the flag changes.
// using #define leads compiler to over-optimize the code leading to bigger
// differencies in the resulting binaries.
const volatile uint8_t DISPLAY_ST7789V_INVERT_COLORS = 0;
const volatile uint8_t DISPLAY_ST7789V_INVERT_COLORS = 1;
// FSMC/FMC Bank 1 - NOR/PSRAM 1
#define DISPLAY_MEMORY_BASE 0x60000000
@ -103,6 +111,25 @@ static uint32_t display_identify(void) {
return id;
}
bool display_is_inverted() {
bool inv_on = false;
uint32_t id = display_identify();
if (id == DISPLAY_ID_ST7789V) {
volatile uint8_t c = 0;
CMD(0x09); // read display status
c = *DISPLAY_DATA_ADDRESS; // don't care
c = *DISPLAY_DATA_ADDRESS; // don't care
c = *DISPLAY_DATA_ADDRESS; // don't care
c = *DISPLAY_DATA_ADDRESS;
if (c & 0x20) {
inv_on = true;
}
c = *DISPLAY_DATA_ADDRESS; // don't care
}
return inv_on;
}
void display_reset_state() {}
static void __attribute__((unused)) display_sleep(void) {
@ -240,263 +267,6 @@ int display_backlight(int val) {
return DISPLAY_BACKLIGHT;
}
static void send_init_seq_GC9307(void) {
// Inter Register Enable1
CMD(0xFE);
// Inter Register Enable2
CMD(0xEF);
// TEON: Tearing Effect Line On; V-blanking only
CMD(0x35);
DATA(0x00);
// COLMOD: Interface Pixel format; 65K color: 16-bit/pixel (RGB 5-6-5 bits
// input)
CMD(0x3A);
DATA(0x55);
// Frame Rate
// CMD(0xE8); DATA(0x12); DATA(0x00);
// Power Control 2
CMD(0xC3);
DATA(0x27);
// Power Control 3
CMD(0xC4);
DATA(0x18);
// Power Control 4
CMD(0xC9);
DATA(0x1F);
CMD(0xC5);
DATA(0x0F);
CMD(0xC6);
DATA(0x00);
CMD(0xC7);
DATA(0x10);
CMD(0xC8);
DATA(0x01);
CMD(0xFF);
DATA(0x62);
CMD(0x99);
DATA(0x3E);
CMD(0x9D);
DATA(0x4B);
CMD(0x8E);
DATA(0x0F);
// SET_GAMMA1
CMD(0xF0);
DATA(0x8F);
DATA(0x1B);
DATA(0x05);
DATA(0x06);
DATA(0x07);
DATA(0x42);
// SET_GAMMA3
CMD(0xF2);
DATA(0x5C);
DATA(0x1F);
DATA(0x12);
DATA(0x10);
DATA(0x07);
DATA(0x43);
// SET_GAMMA2
CMD(0xF1);
DATA(0x59);
DATA(0xCF);
DATA(0xCF);
DATA(0x35);
DATA(0x37);
DATA(0x8F);
// SET_GAMMA4
CMD(0xF3);
DATA(0x58);
DATA(0xCF);
DATA(0xCF);
DATA(0x35);
DATA(0x37);
DATA(0x8F);
}
static void send_init_seq_ST7789V(uint8_t invert_colors) {
// most recent manual:
// https://www.newhavendisplay.com/appnotes/datasheets/LCDs/ST7789V.pdf
// TEON: Tearing Effect Line On; V-blanking only
CMD(0x35);
DATA(0x00);
// COLMOD: Interface Pixel format; 65K color: 16-bit/pixel (RGB 5-6-5 bits
// input)
CMD(0x3A);
DATA(0x55);
// CMD2EN: Commands in command table 2 can be executed when EXTC level is Low
CMD(0xDF);
DATA(0x5A);
DATA(0x69);
DATA(0x02);
DATA(0x01);
// LCMCTRL: LCM Control: XOR RGB setting
CMD(0xC0);
DATA(0x20);
// GATECTRL: Gate Control; NL = 240 gate lines, first scan line is gate 80.;
// gate scan direction 319 -> 0
CMD(0xE4);
DATA(0x1D);
DATA(0x0A);
DATA(0x11);
// INVOFF (20h): Display Inversion Off
// INVON (21h): Display Inversion On
CMD(0x20 | invert_colors);
// the above config is the most important and definitely necessary
// PWCTRL1: Power Control 1
CMD(0xD0);
DATA(0xA4);
DATA(0xA1);
// gamma curve 1
// CMD(0xE0); DATA(0x70); DATA(0x2C); DATA(0x2E); DATA(0x15); DATA(0x10);
// DATA(0x09); DATA(0x48); DATA(0x33); DATA(0x53); DATA(0x0B); DATA(0x19);
// DATA(0x18); DATA(0x20); DATA(0x25);
// gamma curve 2
// CMD(0xE1); DATA(0x70);
// DATA(0x2C); DATA(0x2E); DATA(0x15); DATA(0x10); DATA(0x09); DATA(0x48);
// DATA(0x33); DATA(0x53); DATA(0x0B); DATA(0x19); DATA(0x18); DATA(0x20);
// DATA(0x25);
}
static void send_init_seq_ILI9341V(void) {
// most recent manual: https://www.newhavendisplay.com/app_notes/ILI9341.pdf
// TEON: Tearing Effect Line On; V-blanking only
CMD(0x35);
DATA(0x00);
// COLMOD: Interface Pixel format; 65K color: 16-bit/pixel (RGB 5-6-5 bits
// input)
CMD(0x3A);
DATA(0x55);
// Display Function Control: gate scan direction 319 -> 0
CMD(0xB6);
DATA(0x0A);
DATA(0xC2);
DATA(0x27);
DATA(0x00);
// Interface Control: XOR BGR as ST7789V does
CMD(0xF6);
DATA(0x09);
DATA(0x30);
DATA(0x00);
// the above config is the most important and definitely necessary
CMD(0xCF);
DATA(0x00);
DATA(0xC1);
DATA(0x30);
CMD(0xED);
DATA(0x64);
DATA(0x03);
DATA(0x12);
DATA(0x81);
CMD(0xE8);
DATA(0x85);
DATA(0x10);
DATA(0x7A);
CMD(0xF7);
DATA(0x20);
CMD(0xEA);
DATA(0x00);
DATA(0x00);
// power control VRH[5:0]
CMD(0xC0);
DATA(0x23);
// power control SAP[2:0] BT[3:0]
CMD(0xC1);
DATA(0x12);
// vcm control 1
CMD(0xC5);
DATA(0x60);
DATA(0x44);
// vcm control 2
CMD(0xC7);
DATA(0x8A);
// framerate
CMD(0xB1);
DATA(0x00);
DATA(0x18);
// 3 gamma func disable
CMD(0xF2);
DATA(0x00);
// gamma curve 1
CMD(0xE0);
DATA(0x0F);
DATA(0x2F);
DATA(0x2C);
DATA(0x0B);
DATA(0x0F);
DATA(0x09);
DATA(0x56);
DATA(0xD9);
DATA(0x4A);
DATA(0x0B);
DATA(0x14);
DATA(0x05);
DATA(0x0C);
DATA(0x06);
DATA(0x00);
// gamma curve 2
CMD(0xE1);
DATA(0x00);
DATA(0x10);
DATA(0x13);
DATA(0x04);
DATA(0x10);
DATA(0x06);
DATA(0x25);
DATA(0x26);
DATA(0x3B);
DATA(0x04);
DATA(0x0B);
DATA(0x0A);
DATA(0x33);
DATA(0x39);
DATA(0x0F);
}
void display_init_seq(void) {
HAL_GPIO_WritePin(GPIOC, GPIO_PIN_14, GPIO_PIN_RESET); // LCD_RST/PC14
// wait 10 milliseconds. only needs to be low for 10 microseconds.
@ -510,14 +280,22 @@ void display_init_seq(void) {
HAL_Delay(120);
// identify the controller we will communicate with
#ifdef TREZOR_MODEL_T
uint32_t id = display_identify();
if (id == DISPLAY_ID_GC9307) {
send_init_seq_GC9307();
tt_old1_init_seq();
} else if (id == DISPLAY_ID_ST7789V) {
send_init_seq_ST7789V(DISPLAY_ST7789V_INVERT_COLORS);
if (DISPLAY_ST7789V_INVERT_COLORS) {
lx154a2422_init_seq();
} else {
lx154a2411_init_seq();
}
} else if (id == DISPLAY_ID_ILI9341V) {
send_init_seq_ILI9341V();
tt_old2_init_seq();
}
#else
DISPLAY_PANEL_INIT_SEQ();
#endif
display_unsleep();
}
@ -684,6 +462,14 @@ void display_reinit(void) {
TIM1->CR2 |= TIM_CR2_CCPC;
TIM1->CCR1 = pwm_period * prev_val / 255;
TIM1->ARR = LED_PWM_TIM_PERIOD - 1;
#ifdef TREZOR_MODEL_T
uint32_t id = display_identify();
if (id == DISPLAY_ID_ST7789V && display_is_inverted()) {
// newest TT display - set proper gamma
lx154a2422_gamma();
}
#endif
}
void display_sync(void) {

1
core/embed/trezorhal/displays/st7789v.h
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@ -2,6 +2,7 @@
#define _ST7789V_H
#include STM32_HAL_H
#include TREZOR_BOARD
// ILI9341V, GC9307 and ST7789V drivers support 240px x 320px display resolution
#define MAX_DISPLAY_RESX 240

4
core/site_scons/boards/trezor_t.py
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@ -18,6 +18,10 @@ def configure(
defines += [f"HW_MODEL={hw_model}"]
defines += [f"HW_REVISION={hw_revision}"]
sources += [f"embed/trezorhal/displays/{display}"]
sources += [f'embed/trezorhal/displays/panels/tt_old1.c', ]
sources += [f'embed/trezorhal/displays/panels/tt_old2.c', ]
sources += [f'embed/trezorhal/displays/panels/LX154A2411.c', ]
sources += [f'embed/trezorhal/displays/panels/LX154A2422.c', ]
if "input" in features_wanted:
sources += ["embed/trezorhal/i2c.c"]

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