mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-24 07:18:09 +00:00
290 lines
12 KiB
C
290 lines
12 KiB
C
/*
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* Copyright (c) Pavol Rusnak, SatoshiLabs
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*
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* Licensed under TREZOR License
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* see LICENSE file for details
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*/
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#include STM32_HAL_H
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#ifndef DISPLAY_ILI9341V
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#define DISPLAY_ILI9341V 0
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#endif
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#ifndef DISPLAY_ST7789V
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#define DISPLAY_ST7789V 1
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#endif
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// FSMC/FMC Bank 1 - NOR/PSRAM 1
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#define DISPLAY_MEMORY_BASE 0x60000000
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#define DISPLAY_MEMORY_PIN 16
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#define CMD(X) (*((__IO uint8_t *)((uint32_t)(DISPLAY_MEMORY_BASE))) = (X))
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#define DATA(X) (*((__IO uint8_t *)((uint32_t)(DISPLAY_MEMORY_BASE | (1 << DISPLAY_MEMORY_PIN)))) = (X))
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#define LED_PWM_TIM_PERIOD (10000)
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static void __attribute__((unused)) display_sleep(void) {
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#if DISPLAY_ILI9341V || DISPLAY_ST7789V
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CMD(0x28); // display off
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HAL_Delay(20);
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CMD(0x10); // enter sleep
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#endif
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}
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static void display_unsleep(void) {
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#if DISPLAY_ILI9341V || DISPLAY_ST7789V
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CMD(0x11); // exit sleep
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HAL_Delay(20);
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CMD(0x29); // display on
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#endif
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}
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static uint16_t BUFFER_OFFSET_X = 0, BUFFER_OFFSET_Y = 0;
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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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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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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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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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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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break;
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}
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}
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void display_set_backlight(int val)
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{
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TIM1->CCR1 = LED_PWM_TIM_PERIOD * val / 255;
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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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__HAL_RCC_GPIOE_CLK_ENABLE();
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__HAL_RCC_TIM1_CLK_ENABLE();
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__HAL_RCC_FMC_CLK_ENABLE();
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GPIO_InitTypeDef GPIO_InitStructure;
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// LCD_PWM/PA7 (backlight control)
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GPIO_InitStructure.Mode = GPIO_MODE_AF_PP;
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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 = GPIO_AF1_TIM1;
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GPIO_InitStructure.Pin = GPIO_PIN_7;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStructure);
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// enable PWM timer
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TIM_HandleTypeDef TIM1_Handle;
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TIM1_Handle.Instance = TIM1;
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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, we want 1 MHz
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TIM1_Handle.Init.Prescaler = SystemCoreClock / 1000000 - 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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HAL_TIM_PWM_Init(&TIM1_Handle);
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TIM_OC_InitTypeDef TIM_OC_InitStructure;
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TIM_OC_InitStructure.Pulse = 0;
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TIM_OC_InitStructure.OCMode = TIM_OCMODE_PWM2;
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TIM_OC_InitStructure.OCPolarity = TIM_OCPOLARITY_HIGH;
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TIM_OC_InitStructure.OCFastMode = TIM_OCFAST_DISABLE;
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TIM_OC_InitStructure.OCNPolarity = TIM_OCNPOLARITY_HIGH;
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TIM_OC_InitStructure.OCIdleState = TIM_OCIDLESTATE_SET;
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TIM_OC_InitStructure.OCNIdleState = TIM_OCNIDLESTATE_SET;
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HAL_TIM_PWM_ConfigChannel(&TIM1_Handle, &TIM_OC_InitStructure, TIM_CHANNEL_1);
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display_backlight(0);
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HAL_TIM_PWM_Start(&TIM1_Handle, TIM_CHANNEL_1);
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HAL_TIMEx_PWMN_Start(&TIM1_Handle, TIM_CHANNEL_1);
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// LCD_RST/PC14
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GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStructure.Pull = GPIO_PULLUP;
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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_14;
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HAL_GPIO_Init(GPIOC, &GPIO_InitStructure);
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HAL_GPIO_WritePin(GPIOC, GPIO_PIN_14, GPIO_PIN_SET);
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// LCD_FMARK/PD12 (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.Mode = GPIO_MODE_AF_PP;
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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 = GPIO_AF12_FMC;
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// LCD_CS/PD7 LCD_RS/PD11 LCD_RD/PD4 LCD_WR/PD5
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GPIO_InitStructure.Pin = GPIO_PIN_7 | GPIO_PIN_11 | GPIO_PIN_4 | GPIO_PIN_5;
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HAL_GPIO_Init(GPIOD, &GPIO_InitStructure);
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// LCD_D0/PD14 LCD_D1/PD15 LCD_D2/PD0 LCD_D3/PD1
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GPIO_InitStructure.Pin = GPIO_PIN_14 | GPIO_PIN_15 | GPIO_PIN_0 | GPIO_PIN_1;
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HAL_GPIO_Init(GPIOD, &GPIO_InitStructure);
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// LCD_D4/PE7 LCD_D5/PE8 LCD_D6/PE9 LCD_D7/PE10
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GPIO_InitStructure.Pin = GPIO_PIN_7 | GPIO_PIN_8 | GPIO_PIN_9 | GPIO_PIN_10;
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HAL_GPIO_Init(GPIOE, &GPIO_InitStructure);
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// Reference UM1725 "Description of STM32F4 HAL and LL drivers", section 64.2.1 "How to use this driver"
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SRAM_HandleTypeDef external_display_data_sram;
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external_display_data_sram.Instance = FMC_NORSRAM_DEVICE;
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external_display_data_sram.Init.NSBank = FMC_NORSRAM_BANK1;
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external_display_data_sram.Init.DataAddressMux = FMC_DATA_ADDRESS_MUX_DISABLE;
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external_display_data_sram.Init.MemoryType = FMC_MEMORY_TYPE_SRAM;
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external_display_data_sram.Init.MemoryDataWidth = FMC_NORSRAM_MEM_BUS_WIDTH_8;
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external_display_data_sram.Init.BurstAccessMode = FMC_BURST_ACCESS_MODE_DISABLE;
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external_display_data_sram.Init.WaitSignalPolarity = FMC_WAIT_SIGNAL_POLARITY_LOW;
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external_display_data_sram.Init.WrapMode = FMC_WRAP_MODE_DISABLE;
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external_display_data_sram.Init.WaitSignalActive = FMC_WAIT_TIMING_BEFORE_WS;
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external_display_data_sram.Init.WriteOperation = FMC_WRITE_OPERATION_ENABLE;
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external_display_data_sram.Init.WaitSignal = FMC_WAIT_SIGNAL_DISABLE;
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external_display_data_sram.Init.ExtendedMode = FMC_EXTENDED_MODE_DISABLE;
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external_display_data_sram.Init.AsynchronousWait = FMC_ASYNCHRONOUS_WAIT_DISABLE;
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external_display_data_sram.Init.WriteBurst = FMC_WRITE_BURST_DISABLE;
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external_display_data_sram.Init.ContinuousClock = FMC_CONTINUOUS_CLOCK_SYNC_ONLY;
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external_display_data_sram.Init.PageSize = FMC_PAGE_SIZE_NONE;
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// reference RM0090 section 37.5 Table 259, 37.5.4, Mode 1 SRAM, and 37.5.6
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FMC_NORSRAM_TimingTypeDef normal_mode_timing;
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normal_mode_timing.AddressSetupTime = 4;
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normal_mode_timing.AddressHoldTime = 1;
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normal_mode_timing.DataSetupTime = 4;
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normal_mode_timing.BusTurnAroundDuration = 0;
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normal_mode_timing.CLKDivision = 2;
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normal_mode_timing.DataLatency = 2;
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normal_mode_timing.AccessMode = FMC_ACCESS_MODE_A;
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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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#if DISPLAY_ILI9341V
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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(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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CMD(0xCB); DATA(0x39); DATA(0x2C); DATA(0x00); DATA(0x34); DATA(0x02);
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CMD(0xF7); DATA(0x20);
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CMD(0xEA); DATA(0x00);
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CMD(0xC0); DATA(0x23); // power control VRH[5:0]
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CMD(0xC1); DATA(0x12); // power control SAP[2:0] BT[3:0]
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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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// gamma curve 2
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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(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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CMD(0xC3); DATA(0x0B); // VRHS: VRH Set
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CMD(0xC4); DATA(0x20); // VDVS: VDV Set
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CMD(0xBB); DATA(0x20); // VCOMS: VCOM setting
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CMD(0xC5); DATA(0x20); // VCMOFSET
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// CMD(0xC6); DATA(0x0F); // FRCTRL2: Framerate Control (60 Hz)
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CMD(0xD0); DATA(0xA4); DATA(0xA1); // PWCTRL1: Power Control 1
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// gamma curve 1
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// 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);
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// gamma curve 2
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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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while (GPIO_PIN_RESET == HAL_GPIO_ReadPin(GPIOD, GPIO_PIN_12)) { }
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while (GPIO_PIN_SET == HAL_GPIO_ReadPin(GPIOD, GPIO_PIN_12)) { }
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}
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void display_save(const char *filename)
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{
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}
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