display.c File Reference

: display control More...

#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include "display.h"
#include "main.h"
#include "tcp.h"
#include "TCP_HA.h"
#include "lwip.h"
#include "../../Drivers/BSP/STM32F7508-Discovery/stm32f7508_discovery.h"
#include "../../Drivers/BSP/STM32F7508-Discovery/stm32f7508_discovery_lcd.h"
#include "../../Drivers/BSP/STM32F7508-Discovery/stm32f7508_discovery_ts.h"
#include "configEntitysHA.h"
#include "ui_v1_data.h"
#include "madByMB_v1_data.h"

Go to the source code of this file.

Macros
#define	enable_vBgReleased   0
	enable extra functie vBgReleased
#define	screenWidth   480
	Screen Width.
#define	screenHeight   272
	Screen Height.
#define	bgRecH   136
	Background rectangle Height.
#define	bgRecW   160
	Background rectangle Width.
#define	greyColorStartUp   ((uint32_t)0xff161616)
	Start up color.
#define	SCREENSAVER_DELAY   30000
	ScreenSaver delay.

Functions
static void	vDisplayBgPressed (uint16_t usPosY, uint16_t usPosX)
	private Kleur van de achtergrond bij indrukken veranderen
static void	vBgButton (uint16_t usPosY, uint16_t usPosX, uint32_t ulColor)
	Verander de achtergrond van de button.
static void	prvDisplayPrintText (char message[])
	private functie om de tekst te gaan afdrukken op het scherm
void	vDisplaycCheckScreensaver (void)
	Schakelt het display uit na ingestelde tijd ( SCREENSAVER_DELAY)
void	vDisplayInit (void)
	Init display.
void	vDisplayStartUpScreen (void)
	Start scherm weergeven.
void	vDisplayMainScreen (void)
	Display het hoofd scherm met de UI.
void	vDisplayMessage (char message[])
	Display message op het scherm.
void	vDisplayError (char message[])
	Display error op het scherm.
void	vDisplaySetUpButtonStates (void)
	Vraagt de status op van iedere knop.
uint16_t	usDisplayTouch (TS_StateTypeDef *TS_State)
	Verwerkt de touch actie van de user.
void	vDisplayBgButtonState (uint8_t usButtonId, char cState[])
	Verandert de achtergrond van de knop op basis van de status.

Variables
uint8_t	globalReceive
	Globale variabele voor communicatie tussen twee aparte functies.
LTDC_HandleTypeDef	hltdc

Detailed Description

: display control

display.c

Created on: Nov 26, 2024 Author: buele

Definition in file display.c.

Macro Definition Documentation

bgRecH

#define bgRecH   136

Background rectangle Height.

Definition at line 45 of file display.c.

bgRecW

#define bgRecW   160

Background rectangle Width.

Definition at line 47 of file display.c.

enable_vBgReleased

#define enable_vBgReleased   0

enable extra functie vBgReleased

Definition at line 37 of file display.c.

greyColorStartUp

#define greyColorStartUp   ((uint32_t)0xff161616)

Start up color.

Definition at line 51 of file display.c.

screenHeight

#define screenHeight   272

Screen Height.

Definition at line 42 of file display.c.

SCREENSAVER_DELAY

#define SCREENSAVER_DELAY   30000

ScreenSaver delay.

Definition at line 54 of file display.c.

screenWidth

#define screenWidth   480

Screen Width.

Definition at line 40 of file display.c.

Function Documentation

prvDisplayPrintText()

static void prvDisplayPrintText ( char message[] )

static

private functie om de tekst te gaan afdrukken op het scherm

Print de boodschap af met de op voorhand ingestelde font kleur.

Parameters

char[]

boodschap

Definition at line 190 of file display.c.

                                               {
    BSP_LCD_SetBackColor(LCD_COLOR_TRANSPARENT);
    BSP_LCD_SetFont(&Font12);
    BSP_LCD_DisplayStringAt(10,screenHeight - 15 , (uint8_t*) message, LEFT_MODE );
}

References screenHeight.

usDisplayTouch()

uint16_t usDisplayTouch

(

TS_StateTypeDef *

TS_State

)

Verwerkt de touch actie van de user.

De touch actie van de user wordt verwerkt en op basis van kolom en rij wordt de nummer van de knop teruggegeven.

Parameters

TS_StateTypeDef*

touchScreen struct

Returns

us Button nummer

Definition at line 240 of file display.c.

                                                   {
    BSP_TS_GetState(TS_State);
    if(TS_State->touchDetected >= 1 ){
        //column1
        if(TS_State->touchX[0] <= bgRecW){
            if(TS_State->touchY[0] < bgRecH ){
                vDisplayBgPressed(0,0);
                return 1;
            }
            else{
                vDisplayBgPressed(1,0);
                return 4;
            }
        }
        //column2
        else if(TS_State->touchX[0] > bgRecW && TS_State->touchX[0] <= (bgRecW * 2)){
            if(TS_State->touchY[0] < bgRecH ){
                vDisplayBgPressed(0,1);
                return 2;
            }
            else{
                vDisplayBgPressed(1,1);
                return 5;
            }
        }
        //column3
        else {
            if(TS_State->touchY[0] < bgRecH ){
                vDisplayBgPressed(0,2);
                return 3;
            }
            else{
                vDisplayBgPressed(1,2);
                return 6;
            }
        }
    }
 
    return 0;
}

References bgRecH, bgRecW, and vDisplayBgPressed().

vBgButton()

static void vBgButton ( uint16_t usPosY, uint16_t usPosX, uint32_t ulColor )

static

Verander de achtergrond van de button.

Parameters

usPosY	de y pos van de button
usPosX	de x pos van de button
ulColor	de kleur van de achtergrond

Definition at line 361 of file display.c.

                                                                         {
    while(!(hltdc.Instance->CDSR & 1<<2)); //wachten op vsync
    BSP_LCD_SelectLayer(0);
    BSP_LCD_SetTextColor(ulColor);
    BSP_LCD_FillRect((usPosX * bgRecW) ,(usPosY * bgRecH),bgRecW,bgRecH);
}

References bgRecH, bgRecW, and hltdc.

vDisplayBgButtonState()

void vDisplayBgButtonState	(	uint8_t	usButtonId,
		char	cState[] )

Verandert de achtergrond van de knop op basis van de status.

De achtergrond van de knop wordt veranderd op basis van de status dat is meegeven.

Parameters

usButtonId	id van de button
cState[]	status van de button

Definition at line 291 of file display.c.

                                                             {
    uint32_t ulBgColor;
 
    if(strcmp(cState,"on") == 0){
        ulBgColor = LCD_COLOR_ORANGE;
    }
    else if(strcmp(cState,"off") == 0){
        ulBgColor = LCD_COLOR_LIGHTGRAY;
    }
    else{
        ulBgColor = LCD_COLOR_WHITE;
    }
 
 
    switch (usButtonId){
          case 1:
              vBgButton(0,0,ulBgColor);
              break;
          case 2:
              vBgButton(0,1,ulBgColor);
              break;
          case 3:
              vBgButton(0,2,ulBgColor);
              break;
          case 4:
              vBgButton(1,0,ulBgColor);
              break;
          case 5:
              vBgButton(1,1,ulBgColor);
              break;
          case 6:
              vBgButton(1,2,ulBgColor);
              break;
          default:
              printf("Error button doesn't exist, vDisplayBgButtonState");
              break;
      }
 
}

References vBgButton().

vDisplayBgPressed()

static void vDisplayBgPressed ( uint16_t usPosY, uint16_t usPosX )

static

private Kleur van de achtergrond bij indrukken veranderen

De achtergrond van de knop wordt veranderd als er op wordt geduwd voor user feedback te geven.

Er wordt gewacht op de vsync voor een beter resultaat

Parameters

usPosY	de y pos van de knop
usPosx	de x pos van de knop

Returns

Definition at line 344 of file display.c.

                                                               {
    while(!(hltdc.Instance->CDSR & 1<<2)); //wachten op vsync
    vBgButton(usPosY,usPosX,LCD_COLOR_GRAY);
}

References hltdc, and vBgButton().

vDisplaycCheckScreensaver()

void vDisplaycCheckScreensaver

(

void

)

Schakelt het display uit na ingestelde tijd ( SCREENSAVER_DELAY)

Note

Functie geschreven door docent

Definition at line 76 of file display.c.

                                    {
    static uint32_t ScreensaverStart = SCREENSAVER_DELAY+100;
    static uint8_t screensaver_status = 0;
    if(ScreensaverStart < HAL_GetTick() && screensaver_status == 0){
        //Screen saver on -> display Off
        HAL_GPIO_WritePin(LCD_DISP_GPIO_PORT, LCD_DISP_PIN, GPIO_PIN_RESET);
        HAL_GPIO_WritePin(LCD_BL_CTRL_GPIO_PORT, LCD_BL_CTRL_PIN, GPIO_PIN_RESET);
        screensaver_status = 1;
        printf("Screensaver: on\n");
    }
    TS_StateTypeDef TS_State;
    BSP_TS_GetState(&TS_State);
    if(TS_State.touchDetected > 0){
        //new start value
        ScreensaverStart = HAL_GetTick() + SCREENSAVER_DELAY;
        if(screensaver_status == 1){
            HAL_GPIO_WritePin(LCD_DISP_GPIO_PORT, LCD_DISP_PIN, GPIO_PIN_SET);
            HAL_Delay(100);
            HAL_GPIO_WritePin(LCD_BL_CTRL_GPIO_PORT, LCD_BL_CTRL_PIN, GPIO_PIN_SET);
            screensaver_status = 0;
            printf("Screensaver: off\n");
        }
    }
}

References SCREENSAVER_DELAY.

vDisplayError()

void vDisplayError

(

char

message[]

)

Display error op het scherm.

Gaat de gegeven boodschap afprinten op het scherm als een error

Parameters

message[]

Boodschap

Definition at line 176 of file display.c.

                                  {
    BSP_LCD_SelectLayer(1);
    BSP_LCD_SetTextColor(LCD_COLOR_RED);
    prvDisplayPrintText(message);
}

References prvDisplayPrintText().

vDisplayInit()

void vDisplayInit

(

void

)

Init display.

Het display wordt geïnisaliseerd

Definition at line 108 of file display.c.

                       {
    BSP_LCD_Init();
    BSP_LCD_LayerDefaultInit(1, LCD_FB_START_ADDRESS);
    BSP_LCD_LayerDefaultInit(0, LCD_FB_START_ADDRESS+(480*272*4));
    /* Enable the LCD */
    BSP_LCD_DisplayOn();
    /* Select the LCD Background Layer  */
    BSP_LCD_SelectLayer(0);
    /* Clear the Background Layer */
    BSP_LCD_Clear(LCD_COLOR_WHITE);
    BSP_LCD_SelectLayer(1);
    /* Clear the foreground Layer */
    BSP_LCD_Clear(LCD_COLOR_WHITE);
 
    BSP_TS_Init(480,272);
    vDisplayStartUpScreen();
 
}

References vDisplayStartUpScreen().

vDisplayMainScreen()

void vDisplayMainScreen

(

void

)

Display het hoofd scherm met de UI.

Print de UI met de knoppen

Definition at line 147 of file display.c.

                             {
    BSP_LCD_SelectLayer(1);
    //BSP_LCD_Clear(LCD_COLOR_WHITE); //doet moeilijk na een error van de tcp, om de uit terug te schrijven
    WDA_LCD_DrawBitmap(UI_V1_DATA, 0,0, UI_V1_DATA_X_PIXEL, UI_V1_DATA_Y_PIXEL, UI_V1_DATA_FORMAT);
}

vDisplayMessage()

void vDisplayMessage

(

char

message[]

)

Display message op het scherm.

Print de boodschap op het scherm

Parameters

message[]

Boodschap

Definition at line 162 of file display.c.

                                    {
    BSP_LCD_SelectLayer(1);
    BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
    prvDisplayPrintText(message);
}

References prvDisplayPrintText().

vDisplaySetUpButtonStates()

void vDisplaySetUpButtonStates

(

void

)

Vraagt de status op van iedere knop.

Bij het laden van het hoofdscherm is het aangeraden om de statussen van de knoppen te gaan ophalen vanuit de server.

Definition at line 203 of file display.c.

                                    {
    //lWip stack verhooght naar 6 om toch zo snel mogelijk al de states op te vragen met max 6 tcp_pcb
 
      vDisplayMessage("setting up button state");
      char *entityArray[6] = {
              entity1,
              entity2,
              entity3,
              entity4,
              entity5,
              entity6
      };
 
      for(uint8_t i = 1; i <= numberOfEntiys; i++){
 
          errHaSend(entityArray[i-1],"",i);
 
          while(globalReceive == 0){
              MX_LWIP_Process();
              //printf("Wait on recieve\n");
          }
          printf("Init states of button: %d\n",i);
 
          //globalReceive = 0;
     }
}

References errHaSend(), globalReceive, and vDisplayMessage().

vDisplayStartUpScreen()

void vDisplayStartUpScreen

(

void

)

Start scherm weergeven.

Start scherm weergeven

Definition at line 133 of file display.c.

                                {
    BSP_LCD_SelectLayer(1);
    BSP_LCD_Clear(greyColorStartUp);
    WDA_LCD_DrawBitmap(MADEBYMB_SMAL_DATA,(screenWidth-MADEBYMB_SMAL_DATA_X_PIXEL)/2,0,MADEBYMB_SMAL_DATA_X_PIXEL,MADEBYMB_SMAL_DATA_Y_PIXEL,MADEBYMB_SMAL_DATA_FORMAT);
}

References greyColorStartUp, and screenWidth.

Variable Documentation

globalReceive

uint8_t globalReceive

extern

Globale variabele voor communicatie tussen twee aparte functies.

Definition at line 67 of file main.c.

hltdc

LTDC_HandleTypeDef hltdc

extern

Definition at line 57 of file main.c.