its a piece of program which is an Operating User Interface with TFT Screen and Keypad.
for the 10th keypad press i tried a switch case here
for if 10th press is X , Y or Z show their unique outputs.
if any other than these three ( X Y Z) i want to show " Invalid Press ".
but from the beginning void testtext10(uint16_t color)
this function runs.
what can i do ?
#define LCD_CS A3
#define LCD_CD A2
#define LCD_WR A1
#define LCD_RD A0
#define LCD_RESET A4
#define BLACK 0x0000
#define BLUE 0x001F
#define RED 0xF800
#define GREEN 0x07E0
#define CYAN 0x07FF
#define MAGENTA 0xF81F
#define YELLOW 0xFFE0
#define WHITE 0xFFFF
#include "TFTLCD.h"
#include <Keypad.h>
const byte ROWS = 5;
const byte COLS = 4;
char buff[16];
long lastUpdate = 0;
int x,i,e,k,xx;
int j=11;
TFTLCD tft(LCD_CS, LCD_CD, LCD_WR, LCD_RD, LCD_RESET);
char keys[ROWS][COLS] =
{
{'1','6','A','D'},
{'2','7','B','E'},
{'3','8','C','X'},
{'4','9','Q','Y'},
{'5','0','M','Z'},
};
byte rowPins[ROWS] = {40,39,38,37,36}; //connect to row pinouts
byte colPins[COLS] = {32,33,34,35}; //connect to column pinouts
Keypad keypad = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS );
//---------------------------------------------------------
void setup(void)
{
Serial.begin(9600);
Serial.println(" User Interface Menu Started! ");
tft.reset();
tft.initDisplay();
}
void(* resetFunc) (void) = 0;
//-------------------------------------------------------------
void loop(void)
{
char key = keypad.getKey();
if (key != NO_KEY)
{
buff[i] = key;
i = i+1;
x=x+4;
}
if((millis() - lastUpdate) > 700) // has it been >1 second since the last update?
{
if(i<10)
{
testtext(BLACK);
lastUpdate = millis();
}
}
switch (buff[10])
{
case 'X': // ok
testtext5(BLACK);
break;
case 'Y': // retry
testtext3(BLACK) ;
break;
case 'Z': // reset
testtext8(BLACK) ;
break;
default: testtext10(BLACK); // invalid press
}
}
//---------------------------------------------------------------
void testtext(uint16_t color) // 10 press in the beginning
{
if( i<11 )
{
tft.fillScreen(YELLOW);
tft.setCursor(50, 20);
tft.setTextColor(RED);
tft.setTextSize(2);
tft.println("EEEEEEE");
tft.setCursor(50, 40);
tft.setTextSize(2);
tft.println("STUDENT ID");
tft.setCursor(x, 75);
tft.setTextSize(2);
tft.print(buff);
}
}
void testtext5(uint16_t color) // PASSWORD INSERTING
{
if(i>10 && i<16)
{
tft.fillScreen(BLACK);
tft.setCursor(50, 50);
tft.setTextColor(RED);
tft.setTextSize(2);
tft.println("ENTER");
tft.setCursor(50, 70);
tft.setTextSize(2);
tft.println("PASSWORD");
tft.setCursor(x, 105);
tft.setTextSize(2);
tft.print( buff[11]);
tft.print( buff[12]);
tft.print( buff[13]);
tft.print( buff[14]);
}
}
void testtext10(uint16_t color) // if right ?
{
tft.fillScreen(CYAN);
tft.setCursor(180, 190);
tft.setTextColor(RED);
tft.setTextSize(2);
tft.print(" INVALID PRESS ");
}
void testtext3(uint16_t color) // if wrong
{
tft.drawRect(0, 0, tft.width(), tft.height(), WHITE);
//tft.drawRect(tft.width() -0, tft.height() -0,240,320, CYAN);
tft.fillRect(0, 0, tft.width(), tft.height(), WHITE);
tft.setCursor(50, 80);
tft.setTextColor(BLUE);
tft.setTextSize(2);
tft.print(" Enter Again ");
}
void testtext8(uint16_t color) // RESET
{
Serial.print(" RESET OK ");
tft.drawRect(0, 0, tft.width(), tft.height(), WHITE);
//tft.drawRect(tft.width() -0, tft.height() -0,240,320, CYAN);
tft.fillRect(0, 0, tft.width(), tft.height(), WHITE);
tft.setCursor(50, 80);
tft.setTextColor(BLUE);
tft.setTextSize(2);
tft.print("RESET");
}