stm32f769i_eval_lcd.c File Reference

This file includes the driver for Liquid Crystal Display (LCD) module mounted on STM32F769I-EVAL evaluation board. More...

#include "stm32f769i_eval_lcd.h" #include "../../../Utilities/Fonts/fonts.h"
#include "../../../Utilities/Fonts/font24.c"
#include "../../../Utilities/Fonts/font20.c"
#include "../../../Utilities/Fonts/font16.c"
#include "../../../Utilities/Fonts/font12.c"
#include "../../../Utilities/Fonts/font8.c"

Go to the source code of this file.

Defines
#define	LCD_DSI_ID   0x11
#define	LCD_DSI_ADDRESS   TS_I2C_ADDRESS
#define	LCD_DSI_ID_REG   0xA8
#define	ABS(X)   ((X) > 0 ? (X) : -(X))
#define	POLY_X(Z)   ((int32_t)((Points + (Z))->X))
#define	POLY_Y(Z)   ((int32_t)((Points + (Z))->Y))
Functions
static void	DrawChar (uint16_t Xpos, uint16_t Ypos, const uint8_t *c)
	Draws a character on LCD.
static void	FillTriangle (uint16_t x1, uint16_t x2, uint16_t x3, uint16_t y1, uint16_t y2, uint16_t y3)
	Fills a triangle (between 3 points).
static void	LL_FillBuffer (uint32_t LayerIndex, void *pDst, uint32_t xSize, uint32_t ySize, uint32_t OffLine, uint32_t ColorIndex)
	Fills a buffer.
static void	LL_ConvertLineToARGB8888 (void *pSrc, void *pDst, uint32_t xSize, uint32_t ColorMode)
	Converts a line to an ARGB8888 pixel format.
static uint16_t	LCD_IO_GetID (void)
	Returns the ID of connected screen by checking the HDMI (adv7533 component) ID or LCD DSI (via TS ID) ID.
uint8_t	BSP_LCD_Init (void)
	Initializes the DSI LCD.
uint8_t	BSP_LCD_InitEx (LCD_OrientationTypeDef orientation)
	Initializes the DSI LCD.
void	BSP_LCD_Reset (void)
	BSP LCD Reset Hw reset the LCD DSI activating its XRES signal (active low for some time) and desactivating it later.
uint32_t	BSP_LCD_GetXSize (void)
	Gets the LCD X size.
uint32_t	BSP_LCD_GetYSize (void)
	Gets the LCD Y size.
void	BSP_LCD_SetXSize (uint32_t imageWidthPixels)
	Set the LCD X size.
void	BSP_LCD_SetYSize (uint32_t imageHeightPixels)
	Set the LCD Y size.
void	BSP_LCD_LayerDefaultInit (uint16_t LayerIndex, uint32_t FB_Address)
	Initializes the LCD layers.
void	BSP_LCD_SelectLayer (uint32_t LayerIndex)
	Selects the LCD Layer.
void	BSP_LCD_SetLayerVisible (uint32_t LayerIndex, FunctionalState State)
	Sets an LCD Layer visible.
void	BSP_LCD_SetTransparency (uint32_t LayerIndex, uint8_t Transparency)
	Configures the transparency.
void	BSP_LCD_SetLayerAddress (uint32_t LayerIndex, uint32_t Address)
	Sets an LCD layer frame buffer address.
void	BSP_LCD_SetLayerWindow (uint16_t LayerIndex, uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height)
	Sets display window.
void	BSP_LCD_SetColorKeying (uint32_t LayerIndex, uint32_t RGBValue)
	Configures and sets the color keying.
void	BSP_LCD_ResetColorKeying (uint32_t LayerIndex)
	Disables the color keying.
void	BSP_LCD_SetTextColor (uint32_t Color)
	Sets the LCD text color.
uint32_t	BSP_LCD_GetTextColor (void)
	Gets the LCD text color.
void	BSP_LCD_SetBackColor (uint32_t Color)
	Sets the LCD background color.
uint32_t	BSP_LCD_GetBackColor (void)
	Gets the LCD background color.
void	BSP_LCD_SetFont (sFONT *fonts)
	Sets the LCD text font.
sFONT *	BSP_LCD_GetFont (void)
	Gets the LCD text font.
uint32_t	BSP_LCD_ReadPixel (uint16_t Xpos, uint16_t Ypos)
	Reads an LCD pixel.
void	BSP_LCD_Clear (uint32_t Color)
	Clears the whole currently active layer of LTDC.
void	BSP_LCD_ClearStringLine (uint32_t Line)
	Clears the selected line in currently active layer.
void	BSP_LCD_DisplayChar (uint16_t Xpos, uint16_t Ypos, uint8_t Ascii)
	Displays one character in currently active layer.
void	BSP_LCD_DisplayStringAt (uint16_t Xpos, uint16_t Ypos, uint8_t *Text, Text_AlignModeTypdef Mode)
	Displays characters in currently active layer.
void	BSP_LCD_DisplayStringAtLine (uint16_t Line, uint8_t *ptr)
	Displays a maximum of 60 characters on the LCD.
void	BSP_LCD_DrawHLine (uint16_t Xpos, uint16_t Ypos, uint16_t Length)
	Draws an horizontal line in currently active layer.
void	BSP_LCD_DrawVLine (uint16_t Xpos, uint16_t Ypos, uint16_t Length)
	Draws a vertical line in currently active layer.
void	BSP_LCD_DrawLine (uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2)
	Draws an uni-line (between two points) in currently active layer.
void	BSP_LCD_DrawRect (uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height)
	Draws a rectangle in currently active layer.
void	BSP_LCD_DrawCircle (uint16_t Xpos, uint16_t Ypos, uint16_t Radius)
	Draws a circle in currently active layer.
void	BSP_LCD_DrawPolygon (pPoint Points, uint16_t PointCount)
	Draws an poly-line (between many points) in currently active layer.
void	BSP_LCD_DrawEllipse (int Xpos, int Ypos, int XRadius, int YRadius)
	Draws an ellipse on LCD in currently active layer.
void	BSP_LCD_DrawBitmap (uint32_t Xpos, uint32_t Ypos, uint8_t *pbmp)
	Draws a bitmap picture loaded in the internal Flash (32 bpp) in currently active layer.
void	BSP_LCD_FillRect (uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height)
	Draws a full rectangle in currently active layer.
void	BSP_LCD_FillCircle (uint16_t Xpos, uint16_t Ypos, uint16_t Radius)
	Draws a full circle in currently active layer.
void	BSP_LCD_FillPolygon (pPoint Points, uint16_t PointCount)
	Draws a full poly-line (between many points) in currently active layer.
void	BSP_LCD_FillEllipse (int Xpos, int Ypos, int XRadius, int YRadius)
	Draws a full ellipse in currently active layer.
void	BSP_LCD_DisplayOn (void)
	Switch back on the display if was switched off by previous call of BSP_LCD_DisplayOff().
void	BSP_LCD_DisplayOff (void)
	Switch Off the display.
void	BSP_LCD_SetBrightness (uint8_t BrightnessValue)
	Set the brightness value.
void	DSI_IO_WriteCmd (uint32_t NbrParams, uint8_t *pParams)
	DCS or Generic short/long write command.
__weak void	BSP_LCD_MspDeInit (void)
	De-Initializes the BSP LCD Msp Application can surcharge if needed this function implementation.
__weak void	BSP_LCD_MspInit (void)
	Initialize the BSP LCD Msp.
void	BSP_LCD_DrawPixel (uint16_t Xpos, uint16_t Ypos, uint32_t RGB_Code)
	Draws a pixel on LCD.
Variables
static DSI_VidCfgTypeDef	hdsivideo_handle
DMA2D_HandleTypeDef	hdma2d_eval
	DMA2D handle variable.
LTDC_HandleTypeDef	hltdc_eval
DSI_HandleTypeDef	hdsi_eval
uint32_t	lcd_x_size = OTM8009A_800X480_WIDTH
uint32_t	lcd_y_size = OTM8009A_800X480_HEIGHT
static uint32_t	ActiveLayer = LTDC_ACTIVE_LAYER_BACKGROUND
	Default Active LTDC Layer in which drawing is made is LTDC Layer Background.
static LCD_DrawPropTypeDef	DrawProp [LTDC_MAX_LAYER_NUMBER]
	Current Drawing Layer properties variable.

---

Detailed Description

This file includes the driver for Liquid Crystal Display (LCD) module mounted on STM32F769I-EVAL evaluation board.

Author:

MCD Application Team

Version:

V2.0.1

Date:

06-April-2017

Attention:

© COPYRIGHT(c) 2017 STMicroelectronics

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. Neither the name of STMicroelectronics nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Definition in file stm32f769i_eval_lcd.c.