Basic demo showing how to use the touch screen present on the DISCO_F429ZI board.

Dependencies:   BSP_DISCO_F429ZI LCD_DISCO_F429ZI TS_DISCO_F429ZI mbed

main.cpp

Committer:
jeromecoutant
Date:
2017-07-04
Revision:
3:4faee567c996
Parent:
0:91c6ab790bd7

File content as of revision 3:4faee567c996:

#include "mbed.h"
#include "TS_DISCO_F429ZI.h"
#include "LCD_DISCO_F429ZI.h"

LCD_DISCO_F429ZI lcd;
TS_DISCO_F429ZI ts;

int main()
{
    TS_StateTypeDef TS_State;
    uint16_t x, y;
    uint8_t text[30];
    uint8_t status;
  
    BSP_LCD_SetFont(&Font20);
  
    lcd.DisplayStringAt(0, LINE(5), (uint8_t *)"TOUCHSCREEN", CENTER_MODE);
    lcd.DisplayStringAt(0, LINE(6), (uint8_t *)"DEMO", CENTER_MODE);
    wait(1);
  
    status = ts.Init(lcd.GetXSize(), lcd.GetYSize());
  
    if (status != TS_OK)
    {
      lcd.Clear(LCD_COLOR_RED);
      lcd.SetBackColor(LCD_COLOR_RED);
      lcd.SetTextColor(LCD_COLOR_WHITE);
      lcd.DisplayStringAt(0, LINE(5), (uint8_t *)"TOUCHSCREEN", CENTER_MODE);
      lcd.DisplayStringAt(0, LINE(6), (uint8_t *)"INIT FAIL", CENTER_MODE);
    }
    else
    {
      lcd.Clear(LCD_COLOR_GREEN);
      lcd.SetBackColor(LCD_COLOR_GREEN);
      lcd.SetTextColor(LCD_COLOR_WHITE);
      lcd.DisplayStringAt(0, LINE(5), (uint8_t *)"TOUCHSCREEN", CENTER_MODE);
      lcd.DisplayStringAt(0, LINE(6), (uint8_t *)"INIT OK", CENTER_MODE);
    }
    
    wait(1);
    lcd.Clear(LCD_COLOR_BLUE);
    lcd.SetBackColor(LCD_COLOR_BLUE);
    lcd.SetTextColor(LCD_COLOR_WHITE);
    
    while(1)
    {
      
      ts.GetState(&TS_State);      
      if (TS_State.TouchDetected)
      {
        x = TS_State.X;
        y = TS_State.Y;
        sprintf((char*)text, "x=%d y=%d    ", x, y);
        lcd.DisplayStringAt(0, LINE(0), (uint8_t *)&text, LEFT_MODE);
      }
    }
}