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https://github.com/trezor/trezor-firmware.git
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display: orientation, windowing, and config updates
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embed/extmod/modtrezorui
@ -44,60 +44,49 @@ static void display_unsleep(void)
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static uint16_t BUFFER_OFFSET_X = 0, BUFFER_OFFSET_Y = 0;
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static void display_set_window(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1)
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{
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#if DISPLAY_ILI9341V || DISPLAY_ST7789V
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x0 += BUFFER_OFFSET_X;
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x1 += BUFFER_OFFSET_X;
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y0 += BUFFER_OFFSET_Y;
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y1 += BUFFER_OFFSET_Y;
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CMD(0x2A); DATA(x0 >> 8); DATA(x0 & 0xFF); DATA(x1 >> 8); DATA(x1 & 0xFF); // column addr set
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CMD(0x2B); DATA(y0 >> 8); DATA(y0 & 0xFF); DATA(y1 >> 8); DATA(y1 & 0xFF); // row addr set
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CMD(0x2C);
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#endif
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}
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void display_set_orientation(int degrees)
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{
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#define RGB (0)
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#define BGR (1 << 3)
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#define MV (1 << 5)
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#define MX (1 << 6)
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#define MY (1 << 7)
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// memory access control
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#if DISPLAY_ILI9341V || DISPLAY_ST7789V
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#define MV (1 << 5)
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#define MX (1 << 6)
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#define MY (1 << 7)
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// MADCTL: Memory Data Access Control
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// reference section 9.3 in the ILI9341 manual; 8.12 in the ST7789V manual
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BUFFER_OFFSET_X = 0;
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BUFFER_OFFSET_Y = 0;
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uint8_t display_command_parameter = 0;
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switch (degrees) {
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case 0:
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CMD(0x36);
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#if DISPLAY_ILI9341V
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DATA(BGR | MX | MY);
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#endif
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#if DISPLAY_ST7789V
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DATA(RGB | MX | MY);
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#endif
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BUFFER_OFFSET_X = 0;
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BUFFER_OFFSET_Y = MAX_DISPLAY_RESY - DISPLAY_RESY;
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display_command_parameter = 0;
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break;
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case 90:
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CMD(0x36);
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#if DISPLAY_ILI9341V
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DATA(BGR | MV | MY);
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#endif
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#if DISPLAY_ST7789V
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DATA(RGB | MV | MY);
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#endif
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BUFFER_OFFSET_X = MAX_DISPLAY_RESY - DISPLAY_RESX;
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BUFFER_OFFSET_Y = 0;
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display_command_parameter = MV | MX;
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break;
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case 180:
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CMD(0x36);
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#if DISPLAY_ILI9341V
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DATA(BGR);
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#endif
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#if DISPLAY_ST7789V
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DATA(RGB);
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#endif
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BUFFER_OFFSET_X = 0;
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BUFFER_OFFSET_Y = 0;
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display_command_parameter = MX | MY;
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BUFFER_OFFSET_Y = MAX_DISPLAY_RESY - DISPLAY_RESY;
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break;
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case 270:
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CMD(0x36);
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#if DISPLAY_ILI9341V
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DATA(BGR | MV | MX);
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#endif
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#if DISPLAY_ST7789V
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DATA(RGB | MV | MX);
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#endif
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BUFFER_OFFSET_X = 0;
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BUFFER_OFFSET_Y = 0;
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display_command_parameter = MV | MY;
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BUFFER_OFFSET_X = MAX_DISPLAY_RESY - DISPLAY_RESX;
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break;
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}
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CMD(0x36); DATA(display_command_parameter);
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display_set_window(0, 0, DISPLAY_RESX - 1, DISPLAY_RESY - 1); // reset the column and page extents
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#endif
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}
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void display_set_backlight(int val)
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@ -105,6 +94,14 @@ void display_set_backlight(int val)
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TIM1->CCR1 = LED_PWM_TIM_PERIOD * val / 255;
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}
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void display_hardware_reset(void)
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{
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HAL_GPIO_WritePin(GPIOC, GPIO_PIN_14, GPIO_PIN_RESET); // LCD_RST/PC14
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HAL_Delay(1); // wait 1 millisecond. only needs to be low for 10 microseconds.
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HAL_GPIO_WritePin(GPIOC, GPIO_PIN_14, GPIO_PIN_SET); // LCD_RST/PC14
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HAL_Delay(120); // max wait time for hardware reset is 120 milliseconds (experienced display flakiness using only 5ms wait before sending commands)
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}
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void display_init(void)
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{
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// init peripherials
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@ -210,16 +207,13 @@ void display_init(void)
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HAL_SRAM_Init(&external_display_data_sram, &normal_mode_timing, NULL);
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// hardware reset
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HAL_GPIO_WritePin(GPIOC, GPIO_PIN_14, GPIO_PIN_RESET);
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HAL_Delay(20);
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HAL_GPIO_WritePin(GPIOC, GPIO_PIN_14, GPIO_PIN_SET);
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HAL_Delay(5);
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display_hardware_reset();
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#if DISPLAY_ILI9341V
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CMD(0x01); // software reset
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HAL_Delay(120);
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// most recent manual: https://www.newhavendisplay.com/app_notes/ILI9341.pdf
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CMD(0x35); DATA(0x00); // TEON: Tearing Effect Line On; V-blanking only
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CMD(0x3A); DATA(0x55); // COLMOD: Interface Pixel format; 65K color: 16-bit/pixel (RGB 5-6-5 bits input)
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CMD(0xB6); DATA(0x0A); DATA(0xC2); DATA(0x27); DATA(0x00); // Display Function Control: change gate scan direction
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CMD(0xF6); DATA(0x09); DATA(0x30); DATA(0x00); // Interface Control: XOR BGR as ST7789V does
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CMD(0xCF); DATA(0x00); DATA(0xC1); DATA(0x30);
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CMD(0xED); DATA(0x64); DATA(0x03); DATA(0x12); DATA(0x81);
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CMD(0xE8); DATA(0x85); DATA(0x10); DATA(0x7A);
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@ -231,8 +225,6 @@ void display_init(void)
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CMD(0xC5); DATA(0x60); DATA(0x44); // vcm control 1
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CMD(0xC7); DATA(0x8A); // vcm control 2
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CMD(0xB1); DATA(0x00); DATA(0x18); // framerate
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CMD(0xB6); DATA(0x0A); DATA(0xA2); // display function control
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CMD(0xF6); DATA(0x01); DATA(0x30); DATA(0x00); // interface control
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CMD(0xF2); DATA(0x00); // 3 gamma func disable
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// gamma curve 1
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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);
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@ -240,10 +232,11 @@ void display_init(void)
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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);
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#endif
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#if DISPLAY_ST7789V
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CMD(0x01); // software reset
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HAL_Delay(120);
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CMD(0x35); DATA(0x00); // TEON: Tearing Effect Line On; V-blanking only
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CMD(0x3A); DATA(0x55); // COLMOD: Interface Pixel format; 65K color: 16-bit/pixel (RGB 5-6-5 bits input)
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CMD(0xC0); DATA(0x20); // LCMCTRL: LCM Control: XOR RGB setting
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CMD(0xE4); DATA(0x1d); DATA(0x0A); DATA(0x11); // GATECTRL: Gate Control; NL = 240 gate lines, first scan line is gate 80.; gate scan direction 319 -> 0
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CMD(0xB2); DATA(0x08); DATA(0x08); DATA(0x00); DATA(0x22); DATA(0x22); // PORCTRK: Porch setting
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CMD(0xB7); DATA(0x35); // GCTRL: Gate Control
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CMD(0xC2); DATA(0x01); DATA(0xFF); // VDVVRHEN: VDV and VRH Command Enable
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@ -259,26 +252,9 @@ void display_init(void)
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// 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);
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#endif
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display_clear();
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display_orientation(0);
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display_unsleep();
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}
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static void display_set_window_raw(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1)
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{
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#if DISPLAY_ILI9341V || DISPLAY_ST7789V
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CMD(0x2A); DATA(x0 >> 8); DATA(x0 & 0xFF); DATA(x1 >> 8); DATA(x1 & 0xFF); // column addr set
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CMD(0x2B); DATA(y0 >> 8); DATA(y0 & 0xFF); DATA(y1 >> 8); DATA(y1 & 0xFF); // row addr set
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CMD(0x2C);
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#endif
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}
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static void display_set_window(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1)
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{
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x0 += BUFFER_OFFSET_X; y0 += BUFFER_OFFSET_Y;
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x1 += BUFFER_OFFSET_X; y1 += BUFFER_OFFSET_Y;
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display_set_window_raw(x0, y0, x1, y1);
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}
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void display_refresh(void)
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{
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// synchronize with the panel synchronization signal in order to avoid visual tearing effects
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@ -67,7 +67,7 @@ void display_init(void)
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#endif
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}
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static void display_set_window_raw(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1)
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static void display_set_window(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1)
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{
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#ifndef TREZOR_NOUI
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if (!RENDERER) {
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@ -80,11 +80,6 @@ static void display_set_window_raw(uint16_t x0, uint16_t y0, uint16_t x1, uint16
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#endif
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}
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static void display_set_window(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1)
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{
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display_set_window_raw(x0, y0, x1, y1);
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}
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void display_refresh(void)
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{
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#ifndef TREZOR_NOUI
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@ -68,10 +68,14 @@ static inline void clamp_coords(int x, int y, int w, int h, int *x0, int *y0, in
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void display_clear(void)
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{
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display_set_window_raw(0, 0, MAX_DISPLAY_RESX - 1, MAX_DISPLAY_RESY - 1);
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for (int i = 0; i < MAX_DISPLAY_RESX * MAX_DISPLAY_RESY * 2; i++) {
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DATA(0x00);
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const int saved_orientation = DISPLAY_ORIENTATION;
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display_orientation(0); // set MADCTL first so that we can set the window correctly next
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display_set_window(0, 0, MAX_DISPLAY_RESX - 1, MAX_DISPLAY_RESY - 1); // address the complete frame memory
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for (uint32_t i = 0; i < MAX_DISPLAY_RESX * MAX_DISPLAY_RESY; i++) {
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DATA(0x00); DATA(0x00); // 2 bytes per pixel because we're using RGB 5-6-5 format
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}
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display_set_window(0, 0, DISPLAY_RESX - 1, DISPLAY_RESY - 1); // go back to restricted window
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display_orientation(saved_orientation); // if valid, go back to the saved orientation
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}
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void display_bar(int x, int y, int w, int h, uint16_t c)
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