swtbbert
Newbie level 5
Hi to you all,
I designed a wireless language translator to be used in frights, please some1 can check on my project and help me where i am wrong.
transmitter code
receiver code
I designed a wireless language translator to be used in frights, please some1 can check on my project and help me where i am wrong.
transmitter code
Code:
/* Main.c file generated by New Project wizard
*
* Created: Mon Feb 10 2014
* Processor: PIC16F877A
* Compiler: HI-TECH C for PIC10/12/16
*/
#include <htc.h>
#use delay(clock = 20000000)
#use rs232 (baud = 9600, xmit=PIN_B0,rcv=PIN_B1,stream=WIRELESS) // WIRELESS communication
unsigned long x_coord, y_coord;
void send_data(char sdata[])
{
fputs(sdata,WIRELESS);
}
unsigned long GetX()
{
unsigned long result;
set_adc_channel(0);
output_low(PIN_A2);
output_high(PIN_A3);
result = read_adc();
return result;
}
unsigned long GetY()
{
unsigned long result;
set_adc_channel(1);
output_low(PIN_A3);
output_high(PIN_A2);
result = read_adc();
return result;
}
void main()
{
char text[25];
output_high(PIN_C4);
delay_ms(1000);
output_low(PIN_C4);
delay_ms(1000);
output_high(PIN_C4);
delay_ms(1000);
output_low(PIN_C4);
while(1)
{
x_coord = GetX(); //get X- coordinates of touched location on to variable x_coord
y_coord = GetY(); //Get the Y-coordingates of touched location
if((x_coord > 25) && (x_coord < 85) && (y_coord > 25) && (y_coord < 125))
{
sprintf(text,"1");
send_data(text);
output_high(PIN_C4);
}
else if((x_coord > 25) && (x_coord < 85) && (y_coord > 150) && (y_coord < 240))
{
sprintf(text,"2");
send_data(text);
output_high(PIN_C4);
}
else if((x_coord > 90) && (x_coord < 140) && (y_coord > 25) && (y_coord < 125))
{
sprintf(text,"3");
send_data(text);
output_high(PIN_C4);
}
else if((x_coord > 90) && (x_coord < 140) && (y_coord > 150) && (y_coord < 240))
{
sprintf(text,"4");
send_data(text);
output_high(PIN_C4);
}
else if((x_coord > 145) && (x_coord < 190) && (y_coord > 25) && (y_coord < 125))
{
sprintf(text,"5");
send_data(text);
output_high(PIN_C4);
}
else if((x_coord > 145) && (x_coord < 190) && (y_coord > 150) && (y_coord < 240))
{
sprintf(text,"6");
send_data(text);
output_high(PIN_C4);
}
else if((x_coord > 195) && (x_coord < 250) && (y_coord > 25) && (y_coord < 125))
{
output_high(PIN_C3); //LED Lamp ON
}
else if((x_coord > 195) && (x_coord < 250) && (y_coord > 150) && (y_coord < 240))
{
output_low(PIN_C3); //LED Lamp OFF
}
delay_ms(100);
output_low(PIN_C4);
}
}receiver code
Code:
/* Main.c file generated by New Project wizard
*
* Created: Mon Feb 10 2014
* Processor: PIC16F877A
* Compiler: HI-TECH C for PIC10/12/16
*/
#include <htc.h>
#use delay(clock=20000000) //crystal oscillator
#use rs232 (baud = 9600, xmit=PIN_B1,rcv=PIN_B0,stream=WIRELESS) // WIRELESS communication
#include <nokiaGLCD.c> //For Nokia Graphical LCD
void main()
{
char text[25]; //For capturing the text
char ch;
//Following code is for Health Check (microcontroller)
output_high(PIN_C4); //LED ON
delay_ms(1000);
output_low(PIN_C4); //LED OFF
delay_ms(1000);
output_high(PIN_C4); //LED ON
delay_ms(1000);
output_low(PIN_C4); //LED OFF
nokia_init(); //Initialise Nokia GLCD
//Nokia LCD got 6 row and 21 columns
nokia_clear_screen(); //Clear the screen contents
nokia_gotoxy(2,1); //Go to row number-1 and column number 2
sprintf(text," TOUCH SCREEN"); //this copies the text "TOUCH SCREEN" into the variable text.
printf(nokia_printchar,"%s",text); //Print the text on to LCD
delay_ms(1000); //wait for 1000 milli seconds
nokia_gotoxy(2,3); //third row second column
sprintf(text," AIR LINES"); //copies the text into text variable
printf(nokia_printchar,"%s",text);
delay_ms(500);
nokia_gotoxy(2,5); //Fifth row and second column
sprintf(text," ASSISTANT");
printf(nokia_printchar,"%s",text);
delay_ms(2000);
nokia_clear_screen(); //clear LCD contents
nokia_gotoxy(3,3);
sprintf(text,"*** READY ***");
printf(nokia_printchar,"%s",text);
delay_ms(1000);
while(1) //Infinite loop starts here
{
if(!input(PIN_A0)) //If the clear button pressed, then clear the requests on LCD
{
output_high(PIN_C3);
delay_ms(500); //Long Beep
output_low(PIN_C3);
nokia_clear_screen();
nokia_gotoxy(4,1);
printf(nokia_printchar," NO");
nokia_gotoxy(4,3);
printf(nokia_printchar," PENDING");
nokia_gotoxy(4,5);
printf(nokia_printchar," REQUESTS");
output_low(PIN_C4);
}
ch = fgetc(WIRELESS); //get character
nokia_clear_screen(); // clear Nokia screen LCD
nokia_gotoxy(1,1);
printf(nokia_printchar," SEAT NO: A9");
output_high(PIN_C4); //LED ON
switch(ch) //switch to the block based on character received.
{
case '1':
nokia_gotoxy(4,3);
printf(nokia_printchar," REQUESTING");
nokia_gotoxy(4,5);
printf(nokia_printchar," WATER");
break;
case '2':
nokia_gotoxy(4,3);
printf(nokia_printchar," REQUESTING");
nokia_gotoxy(4,5);
printf(nokia_printchar," FOOD");
break;
case '3':
nokia_gotoxy(4,3);
printf(nokia_printchar," REQUESTING");
nokia_gotoxy(4,5);
printf(nokia_printchar," MEDICINE");
break;
case '4':
nokia_gotoxy(4,3);
printf(nokia_printchar," REQUESTING");
nokia_gotoxy(4,5);
printf(nokia_printchar," BED SHEET");
break;
case '5':
nokia_gotoxy(4,3);
printf(nokia_printchar," REQUESTING");
nokia_gotoxy(4,5);
printf(nokia_printchar," SNACKS");
break;
case '6':
nokia_gotoxy(4,3);
printf(nokia_printchar," REQUESTING");
nokia_gotoxy(4,5);
printf(nokia_printchar," MAGAZINE");
break;
} //end of switch statement
}
}