mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-23 14:58:09 +00:00
feat(core): refactor display_init_seq from display_init
This commit is contained in:
Pavol Rusnak
parent
5dd3d73d00
commit
29a3e91f09
@ -173,7 +173,7 @@ static void display_set_backlight(int val) {
|
||||
TIM1->CCR1 = LED_PWM_TIM_PERIOD * val / 255;
|
||||
}
|
||||
|
||||
static void display_hardware_reset(void) {
|
||||
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.
|
||||
// my dev display module ties display reset and touch panel reset together.
|
||||
@ -181,128 +181,11 @@ static void display_hardware_reset(void) {
|
||||
// development and does not hurt.
|
||||
HAL_Delay(10);
|
||||
HAL_GPIO_WritePin(GPIOC, GPIO_PIN_14, GPIO_PIN_SET); // LCD_RST/PC14
|
||||
HAL_Delay(120); // max wait time for hardware reset is 120 milliseconds
|
||||
// (experienced display flakiness using only 5ms wait before
|
||||
// sending commands)
|
||||
// identify the controller we will communicate with
|
||||
}
|
||||
|
||||
void display_init(void) {
|
||||
// init peripherials
|
||||
__HAL_RCC_GPIOE_CLK_ENABLE();
|
||||
__HAL_RCC_TIM1_CLK_ENABLE();
|
||||
__HAL_RCC_FMC_CLK_ENABLE();
|
||||
|
||||
GPIO_InitTypeDef GPIO_InitStructure;
|
||||
|
||||
// LCD_PWM/PA7 (backlight control)
|
||||
GPIO_InitStructure.Mode = GPIO_MODE_AF_PP;
|
||||
GPIO_InitStructure.Pull = GPIO_NOPULL;
|
||||
GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
|
||||
GPIO_InitStructure.Alternate = GPIO_AF1_TIM1;
|
||||
GPIO_InitStructure.Pin = GPIO_PIN_7;
|
||||
HAL_GPIO_Init(GPIOA, &GPIO_InitStructure);
|
||||
|
||||
// enable PWM timer
|
||||
TIM_HandleTypeDef TIM1_Handle;
|
||||
TIM1_Handle.Instance = TIM1;
|
||||
TIM1_Handle.Init.Period = LED_PWM_TIM_PERIOD - 1;
|
||||
// TIM1/APB2 source frequency equals to SystemCoreClock in our configuration,
|
||||
// we want 1 MHz
|
||||
TIM1_Handle.Init.Prescaler = SystemCoreClock / 1000000 - 1;
|
||||
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);
|
||||
|
||||
display_backlight(0);
|
||||
|
||||
HAL_TIM_PWM_Start(&TIM1_Handle, TIM_CHANNEL_1);
|
||||
HAL_TIMEx_PWMN_Start(&TIM1_Handle, TIM_CHANNEL_1);
|
||||
|
||||
// LCD_RST/PC14
|
||||
GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
|
||||
GPIO_InitStructure.Pull = GPIO_NOPULL;
|
||||
GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_LOW;
|
||||
GPIO_InitStructure.Alternate = 0;
|
||||
GPIO_InitStructure.Pin = GPIO_PIN_14;
|
||||
HAL_GPIO_WritePin(GPIOC, GPIO_PIN_14,
|
||||
GPIO_PIN_RESET); // default to keeping display in reset
|
||||
HAL_GPIO_Init(GPIOC, &GPIO_InitStructure);
|
||||
|
||||
// LCD_FMARK/PD12 (tearing effect)
|
||||
GPIO_InitStructure.Mode = GPIO_MODE_INPUT;
|
||||
GPIO_InitStructure.Pull = GPIO_NOPULL;
|
||||
GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
|
||||
GPIO_InitStructure.Alternate = 0;
|
||||
GPIO_InitStructure.Pin = GPIO_PIN_12;
|
||||
HAL_GPIO_Init(GPIOD, &GPIO_InitStructure);
|
||||
|
||||
GPIO_InitStructure.Mode = GPIO_MODE_AF_PP;
|
||||
GPIO_InitStructure.Pull = GPIO_NOPULL;
|
||||
GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
|
||||
GPIO_InitStructure.Alternate = GPIO_AF12_FMC;
|
||||
// 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);
|
||||
|
||||
// Reference UM1725 "Description of STM32F4 HAL and LL drivers",
|
||||
// section 64.2.1 "How to use this driver"
|
||||
SRAM_HandleTypeDef external_display_data_sram;
|
||||
external_display_data_sram.Instance = FMC_NORSRAM_DEVICE;
|
||||
external_display_data_sram.Init.NSBank = FMC_NORSRAM_BANK1;
|
||||
external_display_data_sram.Init.DataAddressMux = FMC_DATA_ADDRESS_MUX_DISABLE;
|
||||
external_display_data_sram.Init.MemoryType = FMC_MEMORY_TYPE_SRAM;
|
||||
external_display_data_sram.Init.MemoryDataWidth = FMC_NORSRAM_MEM_BUS_WIDTH_8;
|
||||
external_display_data_sram.Init.BurstAccessMode =
|
||||
FMC_BURST_ACCESS_MODE_DISABLE;
|
||||
external_display_data_sram.Init.WaitSignalPolarity =
|
||||
FMC_WAIT_SIGNAL_POLARITY_LOW;
|
||||
external_display_data_sram.Init.WrapMode = FMC_WRAP_MODE_DISABLE;
|
||||
external_display_data_sram.Init.WaitSignalActive = FMC_WAIT_TIMING_BEFORE_WS;
|
||||
external_display_data_sram.Init.WriteOperation = FMC_WRITE_OPERATION_ENABLE;
|
||||
external_display_data_sram.Init.WaitSignal = FMC_WAIT_SIGNAL_DISABLE;
|
||||
external_display_data_sram.Init.ExtendedMode = FMC_EXTENDED_MODE_DISABLE;
|
||||
external_display_data_sram.Init.AsynchronousWait =
|
||||
FMC_ASYNCHRONOUS_WAIT_DISABLE;
|
||||
external_display_data_sram.Init.WriteBurst = FMC_WRITE_BURST_DISABLE;
|
||||
external_display_data_sram.Init.ContinuousClock =
|
||||
FMC_CONTINUOUS_CLOCK_SYNC_ONLY;
|
||||
external_display_data_sram.Init.PageSize = FMC_PAGE_SIZE_NONE;
|
||||
|
||||
// reference RM0090 section 37.5 Table 259, 37.5.4, Mode 1 SRAM, and 37.5.6
|
||||
FMC_NORSRAM_TimingTypeDef normal_mode_timing;
|
||||
normal_mode_timing.AddressSetupTime = 4;
|
||||
normal_mode_timing.AddressHoldTime = 1;
|
||||
normal_mode_timing.DataSetupTime = 4;
|
||||
normal_mode_timing.BusTurnAroundDuration = 0;
|
||||
normal_mode_timing.CLKDivision = 2;
|
||||
normal_mode_timing.DataLatency = 2;
|
||||
normal_mode_timing.AccessMode = FMC_ACCESS_MODE_A;
|
||||
|
||||
HAL_SRAM_Init(&external_display_data_sram, &normal_mode_timing, NULL);
|
||||
|
||||
display_hardware_reset();
|
||||
// max wait time for hardware reset is 120 milliseconds
|
||||
// (experienced display flakiness using only 5ms wait before sending commands)
|
||||
HAL_Delay(120);
|
||||
|
||||
// identify the controller we will communicate with
|
||||
uint32_t id = display_identify();
|
||||
if (id == DISPLAY_ID_GC9307) {
|
||||
CMD(0xFE); // Inter Register Enable1
|
||||
@ -486,6 +369,123 @@ void display_init(void) {
|
||||
display_unsleep();
|
||||
}
|
||||
|
||||
void display_init(void) {
|
||||
// init peripherials
|
||||
__HAL_RCC_GPIOE_CLK_ENABLE();
|
||||
__HAL_RCC_TIM1_CLK_ENABLE();
|
||||
__HAL_RCC_FMC_CLK_ENABLE();
|
||||
|
||||
GPIO_InitTypeDef GPIO_InitStructure;
|
||||
|
||||
// LCD_PWM/PA7 (backlight control)
|
||||
GPIO_InitStructure.Mode = GPIO_MODE_AF_PP;
|
||||
GPIO_InitStructure.Pull = GPIO_NOPULL;
|
||||
GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
|
||||
GPIO_InitStructure.Alternate = GPIO_AF1_TIM1;
|
||||
GPIO_InitStructure.Pin = GPIO_PIN_7;
|
||||
HAL_GPIO_Init(GPIOA, &GPIO_InitStructure);
|
||||
|
||||
// enable PWM timer
|
||||
TIM_HandleTypeDef TIM1_Handle;
|
||||
TIM1_Handle.Instance = TIM1;
|
||||
TIM1_Handle.Init.Period = LED_PWM_TIM_PERIOD - 1;
|
||||
// TIM1/APB2 source frequency equals to SystemCoreClock in our configuration,
|
||||
// we want 1 MHz
|
||||
TIM1_Handle.Init.Prescaler = SystemCoreClock / 1000000 - 1;
|
||||
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);
|
||||
|
||||
display_backlight(0);
|
||||
|
||||
HAL_TIM_PWM_Start(&TIM1_Handle, TIM_CHANNEL_1);
|
||||
HAL_TIMEx_PWMN_Start(&TIM1_Handle, TIM_CHANNEL_1);
|
||||
|
||||
// LCD_RST/PC14
|
||||
GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
|
||||
GPIO_InitStructure.Pull = GPIO_NOPULL;
|
||||
GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_LOW;
|
||||
GPIO_InitStructure.Alternate = 0;
|
||||
GPIO_InitStructure.Pin = GPIO_PIN_14;
|
||||
HAL_GPIO_WritePin(GPIOC, GPIO_PIN_14,
|
||||
GPIO_PIN_RESET); // default to keeping display in reset
|
||||
HAL_GPIO_Init(GPIOC, &GPIO_InitStructure);
|
||||
|
||||
// LCD_FMARK/PD12 (tearing effect)
|
||||
GPIO_InitStructure.Mode = GPIO_MODE_INPUT;
|
||||
GPIO_InitStructure.Pull = GPIO_NOPULL;
|
||||
GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
|
||||
GPIO_InitStructure.Alternate = 0;
|
||||
GPIO_InitStructure.Pin = GPIO_PIN_12;
|
||||
HAL_GPIO_Init(GPIOD, &GPIO_InitStructure);
|
||||
|
||||
GPIO_InitStructure.Mode = GPIO_MODE_AF_PP;
|
||||
GPIO_InitStructure.Pull = GPIO_NOPULL;
|
||||
GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
|
||||
GPIO_InitStructure.Alternate = GPIO_AF12_FMC;
|
||||
// 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);
|
||||
|
||||
// Reference UM1725 "Description of STM32F4 HAL and LL drivers",
|
||||
// section 64.2.1 "How to use this driver"
|
||||
SRAM_HandleTypeDef external_display_data_sram;
|
||||
external_display_data_sram.Instance = FMC_NORSRAM_DEVICE;
|
||||
external_display_data_sram.Init.NSBank = FMC_NORSRAM_BANK1;
|
||||
external_display_data_sram.Init.DataAddressMux = FMC_DATA_ADDRESS_MUX_DISABLE;
|
||||
external_display_data_sram.Init.MemoryType = FMC_MEMORY_TYPE_SRAM;
|
||||
external_display_data_sram.Init.MemoryDataWidth = FMC_NORSRAM_MEM_BUS_WIDTH_8;
|
||||
external_display_data_sram.Init.BurstAccessMode =
|
||||
FMC_BURST_ACCESS_MODE_DISABLE;
|
||||
external_display_data_sram.Init.WaitSignalPolarity =
|
||||
FMC_WAIT_SIGNAL_POLARITY_LOW;
|
||||
external_display_data_sram.Init.WrapMode = FMC_WRAP_MODE_DISABLE;
|
||||
external_display_data_sram.Init.WaitSignalActive = FMC_WAIT_TIMING_BEFORE_WS;
|
||||
external_display_data_sram.Init.WriteOperation = FMC_WRITE_OPERATION_ENABLE;
|
||||
external_display_data_sram.Init.WaitSignal = FMC_WAIT_SIGNAL_DISABLE;
|
||||
external_display_data_sram.Init.ExtendedMode = FMC_EXTENDED_MODE_DISABLE;
|
||||
external_display_data_sram.Init.AsynchronousWait =
|
||||
FMC_ASYNCHRONOUS_WAIT_DISABLE;
|
||||
external_display_data_sram.Init.WriteBurst = FMC_WRITE_BURST_DISABLE;
|
||||
external_display_data_sram.Init.ContinuousClock =
|
||||
FMC_CONTINUOUS_CLOCK_SYNC_ONLY;
|
||||
external_display_data_sram.Init.PageSize = FMC_PAGE_SIZE_NONE;
|
||||
|
||||
// reference RM0090 section 37.5 Table 259, 37.5.4, Mode 1 SRAM, and 37.5.6
|
||||
FMC_NORSRAM_TimingTypeDef normal_mode_timing;
|
||||
normal_mode_timing.AddressSetupTime = 4;
|
||||
normal_mode_timing.AddressHoldTime = 1;
|
||||
normal_mode_timing.DataSetupTime = 4;
|
||||
normal_mode_timing.BusTurnAroundDuration = 0;
|
||||
normal_mode_timing.CLKDivision = 2;
|
||||
normal_mode_timing.DataLatency = 2;
|
||||
normal_mode_timing.AccessMode = FMC_ACCESS_MODE_A;
|
||||
|
||||
HAL_SRAM_Init(&external_display_data_sram, &normal_mode_timing, NULL);
|
||||
|
||||
display_init_seq();
|
||||
}
|
||||
|
||||
void display_refresh(void) {
|
||||
uint32_t id = display_identify();
|
||||
if (id && (id != DISPLAY_ID_GC9307)) {
|
||||
|
||||
@ -94,6 +94,8 @@ void PIXELDATA(uint16_t c) {
|
||||
}
|
||||
}
|
||||
|
||||
void display_init_seq(void) { }
|
||||
|
||||
void display_init(void) {
|
||||
if (SDL_Init(SDL_INIT_VIDEO) != 0) {
|
||||
printf("%s\n", SDL_GetError());
|
||||
|
||||
@ -64,6 +64,7 @@
|
||||
// provided by port
|
||||
|
||||
void display_init(void);
|
||||
void display_init_seq(void);
|
||||
void display_refresh(void);
|
||||
const char *display_save(const char *prefix);
|
||||
void display_clear_save(void);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user