82 lines
3.2 KiB
C
82 lines
3.2 KiB
C
#ifndef __SWM341_LCD_H__
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#define __SWM341_LCD_H__
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typedef struct {
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uint8_t ClkDiv; //取值范围2--65
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uint8_t Format; //LCD_FMT_RGB565、LCD_FMT_RGB888、LCD_FMT_SRGB565、LCD_FMT_SRGB888
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uint16_t HnPixel; //水平方向像素个数，最大取值1024
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uint16_t VnPixel; //垂直方向像素个数，最大取值1024
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uint8_t Hfp; //horizonal front porch，最大取值64
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uint16_t Hbp; //horizonal back porch， 最大取值256
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uint8_t Vfp; //vertical front porch， 最大取值64
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uint16_t Vbp; //vertical back porch， 最大取值256
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uint16_t HsyncWidth; //HSYNC低电平持续多少个DOTCLK，最大取值256
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uint16_t VsyncWidth; //VSYNC低电平持续多少个行时间，最大取值256
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uint32_t DataSource; //显示数据地址
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uint32_t Background; //背景颜色
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uint8_t SampleEdge; //屏幕在DOTCLK的哪个边沿采样数据：LCD_SAMPLE_RISE、LCD_SAMPLE_FALL
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uint8_t IntEOTEn; //End of Transter（传输完成）中断使能
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} LCD_InitStructure;
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typedef struct {
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uint8_t Alpha;
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uint16_t HStart; //水平方向起始位置，取值范围0 ~ HnPixel-1
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uint16_t HStop; //水平方向终止位置（包含），不得小于HStart，且 HStop - HStart 结果必须为奇数
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uint16_t VStart;
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uint16_t VStop;
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uint32_t DataSource; //显示数据地址
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} LCD_LayerInitStructure;
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#define LCD_FMT_RGB565 0
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#define LCD_FMT_RGB888 1
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#define LCD_FMT_SRGB565 2 //Serial RGB
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#define LCD_FMT_SRGB888 3
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#define LCD_SAMPLE_RISE 0 //屏幕在DOTCLK的上升沿采样数据
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#define LCD_SAMPLE_FALL 1 //屏幕在DOTCLK的下降沿采样数据
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#define LCD_LAYER_1 0
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#define LCD_LAYER_2 1
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void LCD_Init(LCD_TypeDef * LCDx, LCD_InitStructure * initStruct);
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void LCD_LayerInit(LCD_TypeDef * LCDx, uint32_t layerx, LCD_LayerInitStructure * initStruct);
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void LCD_SetLayerPos(LCD_TypeDef * LCDx, uint32_t layerx, uint16_t hstart, uint16_t hstop, uint16_t vstart, uint16_t vstop);
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void LCD_Start(LCD_TypeDef * LCDx);
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uint32_t LCD_IsBusy(LCD_TypeDef * LCDx);
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void LCD_INTEn(LCD_TypeDef * LCDx);
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void LCD_INTDis(LCD_TypeDef * LCDx);
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void LCD_INTClr(LCD_TypeDef * LCDx);
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uint32_t LCD_INTStat(LCD_TypeDef * LCDx);
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typedef struct {
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uint8_t RDHoldTime; //LCD_RD低电平保持时间,取值1--32
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uint8_t WRHoldTime; //LCD_WR低电平保持时间,取值1--16
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uint8_t CSFall_WRFall; //LCD_CS下降沿到LCD_WR下降沿延时，取值1--4
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uint8_t WRRise_CSRise; //LCD_WR上升沿到LCD_CS上升沿延时，取值1--4
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uint8_t RDCSRise_Fall; //读操作时，LCD_CS上升沿到下降沿延时，取值1--32
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uint8_t WRCSRise_Fall; //写操作时，LCD_CS上升沿到下降沿延时，取值1--16
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} MPULCD_InitStructure;
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void MPULCD_Init(LCD_TypeDef * LCDx, MPULCD_InitStructure * initStruct);
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void LCD_WR_REG(LCD_TypeDef * LCDx, uint16_t reg);
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void LCD_WR_DATA(LCD_TypeDef * LCDx, uint16_t val);
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void LCD_WriteReg(LCD_TypeDef * LCDx, uint16_t reg, uint16_t val);
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uint16_t LCD_ReadReg(LCD_TypeDef * LCDx, uint16_t reg);
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void MPULCD_DMAStart(LCD_TypeDef * LCDx, uint32_t * buff, uint16_t hpix, uint16_t vpix);
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uint32_t MPULCD_DMABusy(LCD_TypeDef * LCDx);
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#endif //__SWM341_LCD_H__
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