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@ -53,7 +53,7 @@ __IO DISP_MEM_TYPE *const DISPLAY_DATA_ADDRESS =
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(__IO DISP_MEM_TYPE *const)((uint32_t)DISPLAY_MEMORY_BASE |
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(DISPLAY_ADDR_SHIFT << DISPLAY_MEMORY_PIN));
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#define LED_PWM_TIM_PERIOD \
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(255) // little less than 4kHz with PSC = (SystemCoreClock / 1000000) - 1)
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(255) // little less than 50kHz with PSC = (SystemCoreClock / 12000000) - 1)
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#define LED_PWM_SLOW_TIM_PERIOD \
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(10000) // about 10Hz (with PSC = (SystemCoreClock / 1000000) - 1)
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@ -72,9 +72,12 @@ __IO DISP_MEM_TYPE *const DISPLAY_DATA_ADDRESS =
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static int DISPLAY_BACKLIGHT = -1;
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static int DISPLAY_ORIENTATION = -1;
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static int pwm_period = LED_PWM_TIM_PERIOD;
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static buffer_offset_t BUFFER_OFFSET = {0};
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void display_pixeldata(uint16_t c) { PIXELDATA(c); }
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#ifdef DISPLAY_IDENTIFY
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static uint32_t read_display_id(uint8_t command) {
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volatile uint8_t c = 0;
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uint32_t id = 0;
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@ -110,6 +113,9 @@ static uint32_t display_identify(void) {
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id_set = 1;
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return id;
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}
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#else
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static uint32_t display_identify(void) { return DISPLAY_ID_ST7789V; }
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#endif
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bool display_is_inverted() {
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bool inv_on = false;
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@ -154,8 +160,6 @@ static void display_unsleep(void) {
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}
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}
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static struct { uint16_t x, y; } BUFFER_OFFSET;
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void display_set_window(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1) {
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x0 += BUFFER_OFFSET.x;
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x1 += BUFFER_OFFSET.x;
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@ -188,70 +192,16 @@ int display_orientation(int degrees) {
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// 2 bytes per pixel because we're using RGB 5-6-5 format
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PIXELDATA(0x0000);
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}
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uint16_t shift = 0;
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char BX = 0, BY = 0;
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#ifdef TREZOR_MODEL_T
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uint32_t id = display_identify();
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if ((id == DISPLAY_ID_ILI9341V) || (id == DISPLAY_ID_GC9307) ||
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(id == DISPLAY_ID_ST7789V)) {
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#define RGB (1 << 3)
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#define ML (1 << 4) // vertical refresh order
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#define MH (1 << 2) // horizontal refresh order
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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 - reference:
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// section 9.3 in the ILI9341 manual
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// section 6.2.18 in the GC9307 manual
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// section 8.12 in the ST7789V manual
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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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display_command_parameter = 0;
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BY = (id == DISPLAY_ID_GC9307);
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break;
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case 90:
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display_command_parameter = MV | MX | MH | ML;
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BX = (id != DISPLAY_ID_GC9307);
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shift = 1;
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break;
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case 180:
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display_command_parameter = MX | MY | MH | ML;
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BY = (id == DISPLAY_ID_GC9307);
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shift = 1;
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break;
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case 270:
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display_command_parameter = MV | MY;
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BX = (id != DISPLAY_ID_GC9307);
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break;
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}
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if (id == DISPLAY_ID_GC9307) {
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display_command_parameter ^= RGB | MY; // XOR RGB and MY settings
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}
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CMD(0x36);
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DATA(display_command_parameter);
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if (shift) {
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// GATECTRL: Gate Control; NL = 240 gate lines, first scan line is
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// gate 80.; gate scan direction 319 -> 0
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CMD(0xE4);
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DATA(0x1D);
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DATA(0x00);
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DATA(0x11);
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} else {
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// GATECTRL: Gate Control; NL = 240 gate lines, first scan line is
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// gate 80.; gate scan direction 319 -> 0
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CMD(0xE4);
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DATA(0x1D);
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DATA(0x0A);
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DATA(0x11);
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}
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// reset the column and page extents
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display_set_window(0, 0, DISPLAY_RESX - 1, DISPLAY_RESY - 1);
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if (id == DISPLAY_ID_GC9307) {
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tt_old1_rotate(degrees, &BUFFER_OFFSET);
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} else {
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lx154a2422_rotate(degrees, &BUFFER_OFFSET);
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}
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BUFFER_OFFSET.x = BX ? (MAX_DISPLAY_RESY - DISPLAY_RESY) : 0;
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BUFFER_OFFSET.y = BY ? (MAX_DISPLAY_RESY - DISPLAY_RESY) : 0;
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#else
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DISPLAY_PANEL_ROTATE(degrees, &BUFFER_OFFSET);
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#endif
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}
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}
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return DISPLAY_ORIENTATION;
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@ -369,7 +319,7 @@ void display_init(void) {
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TIM1_Handle.Init.Period = LED_PWM_TIM_PERIOD - 1;
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// TIM1/APB2 source frequency equals to SystemCoreClock in our configuration,
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// we want 1 MHz
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TIM1_Handle.Init.Prescaler = SystemCoreClock / 1000000 - 1;
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TIM1_Handle.Init.Prescaler = SystemCoreClock / 12000000 - 1;
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TIM1_Handle.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
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TIM1_Handle.Init.CounterMode = TIM_COUNTERMODE_UP;
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TIM1_Handle.Init.RepetitionCounter = 0;
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@ -401,13 +351,15 @@ void display_init(void) {
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HAL_GPIO_WritePin(GPIOC, GPIO_PIN_14, GPIO_PIN_RESET);
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HAL_GPIO_Init(GPIOC, &GPIO_InitStructure);
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// LCD_FMARK/PD12 (tearing effect)
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#ifdef DISPLAY_TE_PIN
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// LCD_FMARK (tearing effect)
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GPIO_InitStructure.Mode = GPIO_MODE_INPUT;
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GPIO_InitStructure.Pull = GPIO_NOPULL;
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GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStructure.Alternate = 0;
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GPIO_InitStructure.Pin = GPIO_PIN_12;
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HAL_GPIO_Init(GPIOD, &GPIO_InitStructure);
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GPIO_InitStructure.Pin = DISPLAY_TE_PIN;
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HAL_GPIO_Init(DISPLAY_TE_PORT, &GPIO_InitStructure);
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#endif
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GPIO_InitStructure.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStructure.Pull = GPIO_NOPULL;
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@ -458,6 +410,7 @@ void display_reinit(void) {
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DISPLAY_ORIENTATION = 0;
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pwm_period = LED_PWM_TIM_PERIOD;
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TIM1->PSC = ((SystemCoreClock / 12000000) - 1);
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TIM1->CR1 |= TIM_CR1_ARPE;
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TIM1->CR2 |= TIM_CR2_CCPC;
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TIM1->CCR1 = pwm_period * prev_val / 255;
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@ -473,15 +426,18 @@ void display_reinit(void) {
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}
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void display_sync(void) {
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#ifdef DISPLAY_TE_PIN
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uint32_t id = display_identify();
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if (id && (id != DISPLAY_ID_GC9307)) {
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// synchronize with the panel synchronization signal
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// in order to avoid visual tearing effects
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while (GPIO_PIN_SET == HAL_GPIO_ReadPin(GPIOD, GPIO_PIN_12)) {
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while (GPIO_PIN_SET == HAL_GPIO_ReadPin(DISPLAY_TE_PORT, DISPLAY_TE_PIN)) {
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}
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while (GPIO_PIN_RESET == HAL_GPIO_ReadPin(GPIOD, GPIO_PIN_12)) {
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while (GPIO_PIN_RESET ==
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HAL_GPIO_ReadPin(DISPLAY_TE_PORT, DISPLAY_TE_PIN)) {
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}
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}
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#endif
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}
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void display_refresh(void) {}
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@ -493,6 +449,7 @@ void display_set_slow_pwm(void) {
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uint8_t prev_val = (prev_ccr1 * 255) / prev_arr;
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pwm_period = LED_PWM_SLOW_TIM_PERIOD;
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TIM1->PSC = ((SystemCoreClock / 1000000) - 1);
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TIM1->CR1 |= TIM_CR1_ARPE;
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TIM1->CR2 |= TIM_CR2_CCPC;
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TIM1->ARR = LED_PWM_SLOW_TIM_PERIOD - 1;
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tychovrahe
1 year ago