SIFLI-SDK

hal/lcdc

Chinese (Simplified Han script)

Source strings

69	Strings		100%	Browse Translate
940	Words		100%
5,670	Characters		100%

This translation is being used as source strings within this component.

Strings status

Strings Words Characters
69 940 5,670		All strings	Browse Translate Zen
69 940 5,670		Read-only strings	Browse Translate Zen
1 567 4,843		Strings with any failing checks	Browse Translate Zen
1 567 4,843		Failing check: Ellipsis	Browse Translate Zen

Summary

Project website	github.com/OpenSiFli/SiFli-SDK
Translation license	Apache License 2.0
Translation process	Translations can be made directly. Translation suggestions can be made. Any authenticated user can contribute. The translation uses monolingual files. The translation base language can not be edited.
Source code repository	`https://github.com/OpenSiFli/SiFli-SDK.git`
Repository branch	main
Last remote commit	[chore][ci] Fix the incorrect path to version.json `3a455377` admin authored 03/16/2026
Last commit in Weblate	Translated using Weblate (English) `576956fb` OpenAI authored 03/27/2026
Weblate repository	`https://weblate.sifli.com/git/sifli-sdk/docs/`
File mask	`docs/source/*/hal/lcdc.md`
Monolingual base language file	`docs/source/zh_CN/hal/lcdc.md`
Translation file	Download `docs/source/zh_CN/hal/lcdc.md`
Last change	March 25, 2026, 9:35 a.m.
Last change made by	None
Language	Chinese (Simplified Han script)
Language code	zh_Hans
Text direction	Left to right
Case sensitivity	Case-insensitive
Number of speakers	1,286,444,445
Number of plurals	1
Plural type	None
Plurals
Plural formula	`0`

03/27/2026

String statistics

	Strings percent	Hosted strings	Words percent	Hosted words	Characters percent	Hosted characters
Total		69		940		5,670
Translated	100%	69	100%	940	100%	5,670
Needs editing	0%	0	0%	0	0%	0
Read-only	100%	69	100%	940	100%	5,670
Failing checks	1%	1	60%	567	85%	4,843
Strings with suggestions	0%	0	0%	0	0%	0
Untranslated strings	0%	0	0%	0	0%	0

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File “docs/source/zh_CN/hal/lcdc.md” was added. 03/25/2026

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String added in the repository

Chinese (Simplified Han script)

Chinese (Simplified Han script) 5 characters editedCurrent translationState: Read-only

03/25/2026

None

String added in the repository

Chinese (Simplified Han script)

Chinese (Simplified Han script) 5 characters editedCurrent translationState: Read-only

03/25/2026

None

String added in the repository

Chinese (Simplified Han script)

static LCDC_InitTypeDef lcdc_int_cfg =
{
.lcd_itf = LCDC_INTF_SPI_DCX_1DATA, //Choose 4SPI 1data interface
.freq = 24000000, //SPI clock 24MHz
.color_mode = LCDC_PIXEL_FORMAT_RGB565, //LCDC output color format RGB565
.cfg = {
.spi = {

.dummy_clock = 1, //Dummy clock between cmd & data in read mode
.syn_mode = HAL_LCDC_SYNC_VER, //TE sychronization mode
.vsyn_polarity = 0, //TE pin polarity
.vsyn_delay_us = 1000, //Delay 1ms to send frame buffer right after received TE signal
.hsyn_num = 0, //Hsyn num if syn_mode is HAL_LCDC_SYNC_VERHOR
},
},

};

LCDC_HandleTypeDef hlcdc_st7789h2;

__ROM_USED void LCDC1_IRQHandler(void)
{

rt_interrupt_enter();

HAL_LCDC_IRQHandler(lcdc);

rt_interrupt_leave();
}

void HAL_LCDC_SendLayerDataCpltCbk(LCDC_HandleTypeDef *lcdc)
{
/*Send layer data completed*/
}

/**
* @brief Power on the LCD.
* @param None
* @retval None
*/
void ST7789H2_Init(LCDC_HandleTypeDef *hlcdc)
{
uint8_t parameter[14];

//Initalize interface
memcpy(&hlcdc->Init, &lcdc_int_cfg, sizeof(LCDC_InitTypeDef));
HAL_LCDC_Init(hlcdc);

//Generate a reset pulse to reset ST7789H2
HAL_LCDC_ResetLCD(hlcdc, LCDC_RESX_NEG_PULSE, 10);

/************* ST7789H2 initialize sequence start ************************/
/*Sleep In Command */
HAL_LCDC_WriteU8Reg(hlcdc, ST7789H2_SLEEP_IN, (uint8_t *)NULL, 0);
/* Wait for 10ms */
HAL_Delay(10);

/* SW Reset Command */
HAL_LCDC_WriteU8Reg(hlcdc, 0x01, (uint8_t *)NULL, 0);
/* Wait for 200ms */
HAL_Delay(200);

/* Sleep Out Command */
HAL_LCDC_WriteU8Reg(hlcdc, ST7789H2_SLEEP_OUT, (uint8_t *)NULL, 0);
/* Wait for 120ms */
HAL_Delay(120);

...
/************* ST7789H2 initialize sequence end ************************/
}

/**
* @brief ST7789H2 read mode should slow down SPI clock to 4MHz
* @param enable: false - write spi mode | true - read spi mode
* @retval None
*/
void ST7789H2_ReadMode(LCDC_HandleTypeDef *hlcdc, bool enable)
{
if (HAL_LCDC_IS_SPI_IF(lcdc_int_cfg.lcd_itf))
{
if (enable)
{
HAL_LCDC_SetFreq(hlcdc, 4000000); //SPI clock is 4MHz on Read mode
}
else
{
HAL_LCDC_SetFreq(hlcdc, lcdc_int_cfg.freq); //Restore normal frequency
}

}
}

/**
* @brief Reads the selected LCD Register.
* @param RegValue: Address of the register to read
* @param ReadSize: Number of bytes to read
* @retval LCD Register Value.
*/
uint32_t ST7789H2_ReadData(LCDC_HandleTypeDef *hlcdc, uint16_t RegValue, uint8_t ReadSize)
{
uint32_t rd_data = 0;

//Entry read mode
ST7789H2_ReadMode(hlcdc, true);

HAL_LCDC_ReadU8Reg(hlcdc, RegValue, (uint8_t *)&rd_data, ReadSize);

//Recovery to normal mode
ST7789H2_ReadMode(hlcdc, false);

return rd_data;
}

/**
* @brief Set LCD & LCDC clip area
* @param hlcdc LCD controller handle
* @param Xpos0 - Clip area left coordinate, base on LCD top-left, same as below.
* @param Ypos0 - Clip area top coordinate
* @param Xpos1 - Clip area right coordinate
* @param Ypos1 - Clip area bottom coordinate
*/
void ST7789H2_SetRegion(LCDC_HandleTypeDef *hlcdc, uint16_t Xpos0, uint16_t Ypos0, uint16_t Xpos1, uint16_t Ypos1)
{
uint8_t parameter[4];

//Set LCDC clip area
HAL_LCDC_SetROIArea(hlcdc, Xpos0, Ypos0, Xpos1, Ypos1);

//Set LCD clip area
parameter[0] = (Xpos0) >> 8;
parameter[1] = (Xpos0) & 0xFF;
parameter[2] = (Xpos1) >> 8;
parameter[3] = (Xpos1) & 0xFF;
HAL_LCDC_WriteU8Reg(hlcdc, ST7789H2_CASET, parameter, 4);

parameter[0] = (Ypos0) >> 8;
parameter[1] = (Ypos0) & 0xFF;
parameter[2] = (Ypos1) >> 8;
parameter[3] = (Ypos1) & 0xFF;
HAL_LCDC_WriteU8Reg(hlcdc, ST7789H2_RASET, parameter, 4);
}

/**
* @brief Send layer data to LCD
* @param hlcdc LCD controller handle
* @param RGBCode - Pointer to layer data
* @param Xpos0 - Layer data left coordinate, base on LCD top-left, same as below.
* @param Ypos0 - Layer data top coordinate
* @param Xpos1 - Layer data right coordinate
* @param Ypos1 - Layer data bottom coordinate
*/
void ST7789H2_WriteMultiplePixels(LCDC_HandleTypeDef *hlcdc, const uint8_t *RGBCode, uint16_t Xpos0, uint16_t Ypos0, uint16_t Xpos1, uint16_t Ypos1)
{
uint32_t size;

if ((Xpos0 > Xpos1) || (Ypos0 > Ypos1))
{
//Invalid coordinates
return;
}

//Set default layer data
HAL_LCDC_LayerSetData(hlcdc, HAL_LCDC_LAYER_DEFAULT, (uint8_t *)RGBCode, Xpos0, Ypos0, Xpos1, Ypos1);
//Write datas to LCD register
HAL_LCDC_SendLayerData2Reg_IT(hlcdc, 0x2c, 1);
}

Chinese (Simplified Han script) 4843 characters editedCurrent translationState: Read-only

static LCDC_InitTypeDef lcdc_int_cfg =
{
.lcd_itf = LCDC_INTF_SPI_DCX_1DATA, //Choose 4SPI 1data interface
.freq = 24000000, //SPI clock 24MHz
.color_mode = LCDC_PIXEL_FORMAT_RGB565, //LCDC output color format RGB565
.cfg = {
.spi = {

.dummy_clock = 1, //Dummy clock between cmd & data in read mode
.syn_mode = HAL_LCDC_SYNC_VER, //TE sychronization mode
.vsyn_polarity = 0, //TE pin polarity
.vsyn_delay_us = 1000, //Delay 1ms to send frame buffer right after received TE signal
.hsyn_num = 0, //Hsyn num if syn_mode is HAL_LCDC_SYNC_VERHOR
},
},

};

LCDC_HandleTypeDef hlcdc_st7789h2;

__ROM_USED void LCDC1_IRQHandler(void)
{

rt_interrupt_enter();

HAL_LCDC_IRQHandler(lcdc);

rt_interrupt_leave();
}

void HAL_LCDC_SendLayerDataCpltCbk(LCDC_HandleTypeDef *lcdc)
{
/*Send layer data completed*/
}

/**
* @brief Power on the LCD.
* @param None
* @retval None
*/
void ST7789H2_Init(LCDC_HandleTypeDef *hlcdc)
{
uint8_t parameter[14];

//Initalize interface
memcpy(&hlcdc->Init, &lcdc_int_cfg, sizeof(LCDC_InitTypeDef));
HAL_LCDC_Init(hlcdc);

//Generate a reset pulse to reset ST7789H2
HAL_LCDC_ResetLCD(hlcdc, LCDC_RESX_NEG_PULSE, 10);

/************* ST7789H2 initialize sequence start ************************/
/*Sleep In Command */
HAL_LCDC_WriteU8Reg(hlcdc, ST7789H2_SLEEP_IN, (uint8_t *)NULL, 0);
/* Wait for 10ms */
HAL_Delay(10);

/* SW Reset Command */
HAL_LCDC_WriteU8Reg(hlcdc, 0x01, (uint8_t *)NULL, 0);
/* Wait for 200ms */
HAL_Delay(200);

/* Sleep Out Command */
HAL_LCDC_WriteU8Reg(hlcdc, ST7789H2_SLEEP_OUT, (uint8_t *)NULL, 0);
/* Wait for 120ms */
HAL_Delay(120);

...
/************* ST7789H2 initialize sequence end ************************/
}

/**
* @brief ST7789H2 read mode should slow down SPI clock to 4MHz
* @param enable: false - write spi mode | true - read spi mode
* @retval None
*/
void ST7789H2_ReadMode(LCDC_HandleTypeDef *hlcdc, bool enable)
{
if (HAL_LCDC_IS_SPI_IF(lcdc_int_cfg.lcd_itf))
{
if (enable)
{
HAL_LCDC_SetFreq(hlcdc, 4000000); //SPI clock is 4MHz on Read mode
}
else
{
HAL_LCDC_SetFreq(hlcdc, lcdc_int_cfg.freq); //Restore normal frequency
}

}
}

/**
* @brief Reads the selected LCD Register.
* @param RegValue: Address of the register to read
* @param ReadSize: Number of bytes to read
* @retval LCD Register Value.
*/
uint32_t ST7789H2_ReadData(LCDC_HandleTypeDef *hlcdc, uint16_t RegValue, uint8_t ReadSize)
{
uint32_t rd_data = 0;

//Entry read mode
ST7789H2_ReadMode(hlcdc, true);

HAL_LCDC_ReadU8Reg(hlcdc, RegValue, (uint8_t *)&rd_data, ReadSize);

//Recovery to normal mode
ST7789H2_ReadMode(hlcdc, false);

return rd_data;
}

/**
* @brief Set LCD & LCDC clip area
* @param hlcdc LCD controller handle
* @param Xpos0 - Clip area left coordinate, base on LCD top-left, same as below.
* @param Ypos0 - Clip area top coordinate
* @param Xpos1 - Clip area right coordinate
* @param Ypos1 - Clip area bottom coordinate
*/
void ST7789H2_SetRegion(LCDC_HandleTypeDef *hlcdc, uint16_t Xpos0, uint16_t Ypos0, uint16_t Xpos1, uint16_t Ypos1)
{
uint8_t parameter[4];

//Set LCDC clip area
HAL_LCDC_SetROIArea(hlcdc, Xpos0, Ypos0, Xpos1, Ypos1);

//Set LCD clip area
parameter[0] = (Xpos0) >> 8;
parameter[1] = (Xpos0) & 0xFF;
parameter[2] = (Xpos1) >> 8;
parameter[3] = (Xpos1) & 0xFF;
HAL_LCDC_WriteU8Reg(hlcdc, ST7789H2_CASET, parameter, 4);

parameter[0] = (Ypos0) >> 8;
parameter[1] = (Ypos0) & 0xFF;
parameter[2] = (Ypos1) >> 8;
parameter[3] = (Ypos1) & 0xFF;
HAL_LCDC_WriteU8Reg(hlcdc, ST7789H2_RASET, parameter, 4);
}

/**
* @brief Send layer data to LCD
* @param hlcdc LCD controller handle
* @param RGBCode - Pointer to layer data
* @param Xpos0 - Layer data left coordinate, base on LCD top-left, same as below.
* @param Ypos0 - Layer data top coordinate
* @param Xpos1 - Layer data right coordinate
* @param Ypos1 - Layer data bottom coordinate
*/
void ST7789H2_WriteMultiplePixels(LCDC_HandleTypeDef *hlcdc, const uint8_t *RGBCode, uint16_t Xpos0, uint16_t Ypos0, uint16_t Xpos1, uint16_t Ypos1)
{
uint32_t size;

if ((Xpos0 > Xpos1) || (Ypos0 > Ypos1))
{
//Invalid coordinates
return;
}

//Set default layer data
HAL_LCDC_LayerSetData(hlcdc, HAL_LCDC_LAYER_DEFAULT, (uint8_t *)RGBCode, Xpos0, Ypos0, Xpos1, Ypos1);
//Write datas to LCD register
HAL_LCDC_SendLayerData2Reg_IT(hlcdc, 0x2c, 1);
}

03/25/2026

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Chinese (Simplified Han script)

Chinese (Simplified Han script) 27 characters editedCurrent translationState: Read-only

03/25/2026

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Chinese (Simplified Han script)

Chinese (Simplified Han script) 9 characters editedCurrent translationState: Read-only

03/25/2026

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Chinese (Simplified Han script) 48 characters editedCurrent translationState: Read-only

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Chinese (Simplified Han script)

Chinese (Simplified Han script) 9 characters editedCurrent translationState: Read-only

03/25/2026

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Chinese (Simplified Han script)

Chinese (Simplified Han script) 34 characters editedCurrent translationState: Read-only

03/25/2026

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