mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-29 17:48:10 +00:00
298 lines
12 KiB
C
298 lines
12 KiB
C
/*
|
|
* Copyright (c) Pavol Rusnak, SatoshiLabs
|
|
*
|
|
* Licensed under TREZOR License
|
|
* see LICENSE file for details
|
|
*/
|
|
|
|
#include STM32_HAL_H
|
|
|
|
#define DISPLAY_ILI9341V 0
|
|
#define DISPLAY_ST7789V 1
|
|
|
|
// FSMC Bank 1 - NOR/PSRAM 1
|
|
#define DISPLAY_FSMC_BASE 0x60000000
|
|
#define DISPLAY_FSMC_DC_PIN 0x10000
|
|
|
|
#define CMD(X) (*((__IO uint8_t *)((uint32_t)(DISPLAY_FSMC_BASE))) = (X))
|
|
#define DATA(X) (*((__IO uint8_t *)((uint32_t)(DISPLAY_FSMC_BASE | DISPLAY_FSMC_DC_PIN))) = (X))
|
|
|
|
static TIM_HandleTypeDef TIM1_Handle;
|
|
|
|
#define LED_PWM_TIM_PERIOD (10000)
|
|
|
|
static uint32_t timer1_get_source_freq() {
|
|
uint32_t source;
|
|
// TIM1 is on APB2
|
|
source = HAL_RCC_GetPCLK2Freq();
|
|
if ((uint32_t)((RCC->CFGR & RCC_CFGR_PPRE2) >> 3) != RCC_HCLK_DIV1) {
|
|
source *= 2;
|
|
}
|
|
return source;
|
|
}
|
|
|
|
static void __attribute__((unused)) display_sleep(void) {
|
|
#if DISPLAY_ILI9341V || DISPLAY_ST7789V
|
|
CMD(0x28); // display off
|
|
HAL_Delay(20);
|
|
CMD(0x10); // enter sleep
|
|
#endif
|
|
}
|
|
|
|
static void display_unsleep(void) {
|
|
#if DISPLAY_ILI9341V || DISPLAY_ST7789V
|
|
CMD(0x11); // exit sleep
|
|
HAL_Delay(20);
|
|
CMD(0x29); // display on
|
|
#endif
|
|
}
|
|
|
|
static uint16_t BUFFER_OFFSET_X = 0, BUFFER_OFFSET_Y = 0;
|
|
|
|
void display_set_orientation(int degrees)
|
|
{
|
|
#define RGB (0)
|
|
#define BGR (1 << 3)
|
|
#define MV (1 << 5)
|
|
#define MX (1 << 6)
|
|
#define MY (1 << 7)
|
|
// memory access control
|
|
switch (degrees) {
|
|
case 0:
|
|
CMD(0x36);
|
|
#if DISPLAY_ILI9341V
|
|
DATA(BGR | MX | MY);
|
|
BUFFER_OFFSET_X = 0;
|
|
BUFFER_OFFSET_Y = 80;
|
|
#endif
|
|
#if DISPLAY_ST7789V
|
|
DATA(RGB | MX | MY );
|
|
BUFFER_OFFSET_X = 0;
|
|
BUFFER_OFFSET_Y = 80;
|
|
#endif
|
|
break;
|
|
case 90:
|
|
CMD(0x36);
|
|
#if DISPLAY_ILI9341V
|
|
DATA(BGR | MV | MX);
|
|
BUFFER_OFFSET_X = 0;
|
|
BUFFER_OFFSET_Y = 0;
|
|
#endif
|
|
#if DISPLAY_ST7789V
|
|
DATA(RGB | MV | MY );
|
|
BUFFER_OFFSET_X = 80;
|
|
BUFFER_OFFSET_Y = 0;
|
|
#endif
|
|
break;
|
|
case 180:
|
|
CMD(0x36);
|
|
#if DISPLAY_ILI9341V
|
|
DATA(BGR);
|
|
BUFFER_OFFSET_X = 0;
|
|
BUFFER_OFFSET_Y = 0;
|
|
#endif
|
|
#if DISPLAY_ST7789V
|
|
DATA(RGB);
|
|
BUFFER_OFFSET_X = 0;
|
|
BUFFER_OFFSET_Y = 0;
|
|
#endif
|
|
break;
|
|
case 270:
|
|
CMD(0x36);
|
|
#if DISPLAY_ILI9341V
|
|
DATA(BGR | MV | MY);
|
|
BUFFER_OFFSET_X = 80;
|
|
BUFFER_OFFSET_Y = 0;
|
|
#endif
|
|
#if DISPLAY_ST7789V
|
|
DATA(RGB | MV | MX);
|
|
BUFFER_OFFSET_X = 0;
|
|
BUFFER_OFFSET_Y = 0;
|
|
#endif
|
|
break;
|
|
}
|
|
}
|
|
|
|
void display_set_backlight(int val)
|
|
{
|
|
__HAL_TIM_SetCompare(&TIM1_Handle, TIM_CHANNEL_1, LED_PWM_TIM_PERIOD * val / 255);
|
|
}
|
|
|
|
int display_init(void) {
|
|
// init peripherials
|
|
__GPIOE_CLK_ENABLE();
|
|
__TIM1_CLK_ENABLE();
|
|
__FSMC_CLK_ENABLE();
|
|
|
|
GPIO_InitTypeDef GPIO_InitStructure;
|
|
|
|
// LCD_RST/PC14
|
|
GPIO_InitStructure.Pin = GPIO_PIN_14;
|
|
GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
|
|
GPIO_InitStructure.Pull = GPIO_PULLUP;
|
|
GPIO_InitStructure.Speed = GPIO_SPEED_HIGH;
|
|
HAL_GPIO_Init(GPIOC, &GPIO_InitStructure);
|
|
HAL_GPIO_WritePin(GPIOC, GPIO_PIN_14, GPIO_PIN_SET);
|
|
|
|
// LCD_FMARK/PD12
|
|
GPIO_InitStructure.Pin = GPIO_PIN_12;
|
|
GPIO_InitStructure.Mode = GPIO_MODE_INPUT;
|
|
GPIO_InitStructure.Pull = GPIO_NOPULL;
|
|
GPIO_InitStructure.Speed = GPIO_SPEED_HIGH;
|
|
HAL_GPIO_Init(GPIOD, &GPIO_InitStructure);
|
|
|
|
// LCD_PWM/PB13
|
|
GPIO_InitStructure.Mode = GPIO_MODE_AF_PP;
|
|
GPIO_InitStructure.Pull = GPIO_NOPULL;
|
|
GPIO_InitStructure.Speed = GPIO_SPEED_HIGH;
|
|
GPIO_InitStructure.Alternate = GPIO_AF1_TIM1;
|
|
GPIO_InitStructure.Pin = GPIO_PIN_13;
|
|
HAL_GPIO_Init(GPIOB, &GPIO_InitStructure);
|
|
|
|
GPIO_InitStructure.Alternate = GPIO_AF12_FSMC;
|
|
// LCD_CS/PD7 LCD_RS/PD11 LCD_RD/PD4 LCD_WR/PD5
|
|
GPIO_InitStructure.Pin = GPIO_PIN_7 | GPIO_PIN_11 | GPIO_PIN_4 | GPIO_PIN_5;
|
|
HAL_GPIO_Init(GPIOD, &GPIO_InitStructure);
|
|
// LCD_D0/PD14 LCD_D1/PD15 LCD_D2/PD0 LCD_D3/PD1
|
|
GPIO_InitStructure.Pin = GPIO_PIN_14 | GPIO_PIN_15 | GPIO_PIN_0 | GPIO_PIN_1;
|
|
HAL_GPIO_Init(GPIOD, &GPIO_InitStructure);
|
|
// LCD_D4/PE7 LCD_D5/PE8 LCD_D6/PE9 LCD_D7/PE10
|
|
GPIO_InitStructure.Pin = GPIO_PIN_7 | GPIO_PIN_8 | GPIO_PIN_9 | GPIO_PIN_10;
|
|
HAL_GPIO_Init(GPIOE, &GPIO_InitStructure);
|
|
|
|
// enable PWM timer
|
|
TIM1_Handle.Instance = TIM1;
|
|
TIM1_Handle.Init.Period = LED_PWM_TIM_PERIOD - 1;
|
|
TIM1_Handle.Init.Prescaler = timer1_get_source_freq() / 1000000 - 1; // TIM runs at 1MHz
|
|
TIM1_Handle.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
|
|
TIM1_Handle.Init.CounterMode = TIM_COUNTERMODE_UP;
|
|
TIM1_Handle.Init.RepetitionCounter = 0;
|
|
HAL_TIM_PWM_Init(&TIM1_Handle);
|
|
|
|
TIM_OC_InitTypeDef TIM_OC_InitStructure;
|
|
TIM_OC_InitStructure.Pulse = 0;
|
|
TIM_OC_InitStructure.OCMode = TIM_OCMODE_PWM2;
|
|
TIM_OC_InitStructure.OCPolarity = TIM_OCPOLARITY_HIGH;
|
|
TIM_OC_InitStructure.OCFastMode = TIM_OCFAST_DISABLE;
|
|
TIM_OC_InitStructure.OCNPolarity = TIM_OCNPOLARITY_HIGH;
|
|
TIM_OC_InitStructure.OCIdleState = TIM_OCIDLESTATE_SET;
|
|
TIM_OC_InitStructure.OCNIdleState = TIM_OCNIDLESTATE_SET;
|
|
HAL_TIM_PWM_ConfigChannel(&TIM1_Handle, &TIM_OC_InitStructure, TIM_CHANNEL_1);
|
|
HAL_TIM_PWM_Start(&TIM1_Handle, TIM_CHANNEL_1);
|
|
HAL_TIMEx_PWMN_Start(&TIM1_Handle, TIM_CHANNEL_1);
|
|
|
|
// timing values from:
|
|
// http://ele-tech.com/html/it-is-developed-that-embedded-stm32-fsmc-interface-drives-tft-lcd-to-be-designed.html
|
|
|
|
FSMC_NORSRAM_InitTypeDef FSMC_NORSRAMInitStructure;
|
|
FSMC_NORSRAM_TimingTypeDef FSMC_NORSRAMTimingStructure;
|
|
|
|
FSMC_NORSRAMTimingStructure.AddressSetupTime = 2;
|
|
FSMC_NORSRAMTimingStructure.AddressHoldTime = 0;
|
|
FSMC_NORSRAMTimingStructure.DataSetupTime = 5;
|
|
FSMC_NORSRAMTimingStructure.BusTurnAroundDuration = 0;
|
|
FSMC_NORSRAMTimingStructure.CLKDivision = 0;
|
|
FSMC_NORSRAMTimingStructure.DataLatency = 0;
|
|
FSMC_NORSRAMTimingStructure.AccessMode = FSMC_ACCESS_MODE_B;
|
|
|
|
FSMC_NORSRAMInitStructure.NSBank = FSMC_NORSRAM_BANK1;
|
|
FSMC_NORSRAMInitStructure.DataAddressMux = FSMC_DATA_ADDRESS_MUX_DISABLE;
|
|
FSMC_NORSRAMInitStructure.MemoryType = FSMC_MEMORY_TYPE_NOR;
|
|
FSMC_NORSRAMInitStructure.MemoryDataWidth = FSMC_NORSRAM_MEM_BUS_WIDTH_8;
|
|
FSMC_NORSRAMInitStructure.BurstAccessMode = FSMC_BURST_ACCESS_MODE_DISABLE;
|
|
FSMC_NORSRAMInitStructure.WaitSignalPolarity = FSMC_WAIT_SIGNAL_POLARITY_LOW;
|
|
FSMC_NORSRAMInitStructure.WrapMode = FSMC_WRAP_MODE_DISABLE;
|
|
FSMC_NORSRAMInitStructure.WaitSignalActive = FSMC_WAIT_TIMING_BEFORE_WS;
|
|
FSMC_NORSRAMInitStructure.WriteOperation = FSMC_WRITE_OPERATION_ENABLE;
|
|
FSMC_NORSRAMInitStructure.WaitSignal = FSMC_WAIT_SIGNAL_DISABLE;
|
|
FSMC_NORSRAMInitStructure.ExtendedMode = FSMC_EXTENDED_MODE_DISABLE;
|
|
FSMC_NORSRAMInitStructure.AsynchronousWait = FSMC_ASYNCHRONOUS_WAIT_DISABLE;
|
|
FSMC_NORSRAMInitStructure.WriteBurst = FSMC_WRITE_BURST_DISABLE;
|
|
FSMC_NORSRAMInitStructure.PageSize = FSMC_PAGE_SIZE_NONE;
|
|
|
|
FSMC_NORSRAM_Init(FSMC_NORSRAM_DEVICE, &FSMC_NORSRAMInitStructure);
|
|
FSMC_NORSRAM_Timing_Init(FSMC_NORSRAM_DEVICE, &FSMC_NORSRAMTimingStructure, FSMC_NORSRAMInitStructure.NSBank);
|
|
// FSMC_NORSRAM_Extended_Timing_Init(FSMC_NORSRAM_EXTENDED_DEVICE, &FSMC_NORSRAMTimingStructure, FSMC_NORSRAMInitStructure.NSBank, FSMC_NORSRAMInitStructure.ExtendedMode);
|
|
__FSMC_NORSRAM_ENABLE(FSMC_NORSRAM_DEVICE, FSMC_NORSRAMInitStructure.NSBank);
|
|
|
|
// hardware reset
|
|
HAL_GPIO_WritePin(GPIOC, GPIO_PIN_14, GPIO_PIN_RESET);
|
|
HAL_Delay(20);
|
|
HAL_GPIO_WritePin(GPIOC, GPIO_PIN_14, GPIO_PIN_SET);
|
|
HAL_Delay(5);
|
|
#if DISPLAY_ILI9341V
|
|
CMD(0x01); // software reset
|
|
HAL_Delay(20);
|
|
CMD(0x28); // display off
|
|
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(0xCB); DATA(0x39); DATA(0x2C); DATA(0x00); DATA(0x34); DATA(0x02);
|
|
CMD(0xF7); DATA(0x20);
|
|
CMD(0xEA); DATA(0x00); DATA(0x00);
|
|
CMD(0xC0); DATA(0x23); // power control VRH[5:0]
|
|
CMD(0xC1); DATA(0x12); // power control SAP[2:0] BT[3:0]
|
|
CMD(0xC5); DATA(0x60); DATA(0x44); // vcm control 1
|
|
CMD(0xC7); DATA(0x8A); // vcm control 2
|
|
CMD(0x3A); DATA(0x55); // memory access control (16-bit 565)
|
|
CMD(0xB1); DATA(0x00); DATA(0x18); // framerate
|
|
CMD(0xB6); DATA(0x0A); DATA(0xA2); // display function control
|
|
CMD(0xF6); DATA(0x01); DATA(0x30); DATA(0x00); // interface control
|
|
CMD(0xF2); DATA(0x00); // 3 gamma func disable
|
|
CMD(0x26); DATA(0x01); // gamma func enable
|
|
// 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);
|
|
CMD(0x21); // invert colors
|
|
#endif
|
|
#if DISPLAY_ST7789V
|
|
CMD(0x01); // software reset
|
|
HAL_Delay(20);
|
|
CMD(0x28); // display off
|
|
CMD(0x3A); DATA(0x55); // COLMOD: Interface Pixel format
|
|
CMD(0xB2); DATA(0x08); DATA(0x08); DATA(0x00); DATA(0x22); DATA(0x22); // PORCTRK: Porch setting
|
|
CMD(0xB7); DATA(0x35); // GCTRL: Gate Control
|
|
CMD(0xC2); DATA(0x01); DATA(0xFF); // VDVVRHEN: VDV and VRH Command Enable
|
|
CMD(0xC3); DATA(0x0B); // VRHS: VRH Set
|
|
CMD(0xC4); DATA(0x20); // VDVS: VDV Set
|
|
CMD(0xBB); DATA(0x20); // VCOMS: VCOM setting
|
|
CMD(0xC5); DATA(0x20); // VCMOFSET
|
|
// CMD(0xC6); DATA(0x0F); // FRCTRL2: Framerate Control (60 Hz)
|
|
CMD(0x35); DATA(0x00); // TEON: Tearing Effect Line On
|
|
CMD(0xD0); DATA(0xA4); DATA(0xA1); // PWCTRL1: Power Control 1
|
|
// 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);
|
|
CMD(0x26); DATA(0x01); // gamma func (gc3) enable
|
|
CMD(0x20); // don't invert colors
|
|
#endif
|
|
display_set_orientation(0);
|
|
display_set_backlight(0);
|
|
// clear buffer
|
|
display_clear();
|
|
display_unsleep();
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void display_set_window(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1) {
|
|
x0 += BUFFER_OFFSET_X; y0 += BUFFER_OFFSET_Y;
|
|
x1 += BUFFER_OFFSET_X; y1 += BUFFER_OFFSET_Y;
|
|
#if DISPLAY_ILI9341V || DISPLAY_ST7789V
|
|
CMD(0x2A); DATA(x0 >> 8); DATA(x0 & 0xFF); DATA(x1 >> 8); DATA(x1 & 0xFF); // column addr set
|
|
CMD(0x2B); DATA(y0 >> 8); DATA(y0 & 0xFF); DATA(y1 >> 8); DATA(y1 & 0xFF); // row addr set
|
|
CMD(0x2C);
|
|
#endif
|
|
}
|
|
|
|
void display_refresh(void) {
|
|
while (GPIO_PIN_RESET == HAL_GPIO_ReadPin(GPIOD, GPIO_PIN_12)) { }
|
|
while (GPIO_PIN_SET == HAL_GPIO_ReadPin(GPIOD, GPIO_PIN_12)) { }
|
|
}
|
|
|
|
void display_save(const char *filename)
|
|
{
|
|
}
|