/*** get keypad input ****/
void get_keypad_input() {
char keypad_key;
keypad_enable();
while(training) {
keypad_key=getkey(); // get value from keypad
wait_keyup();
lcd_init();
set_lcd_addr(0x00);
if(keypad_key==1) { // 1 = forward
move_forward();
}else if(keypad_key==4) { // 4 = left
move_left();
}else if(keypad_key==7) { // 7 = right
move_right();
}else if(keypad_key==0) { // 0 = reverse
move_reverse();
}else if(keypad_key==6) { // 7 = pause
move_pause();
}else if(keypad_key==9) { // break out of training mode
training=0;
move_stop();
display_movement(&stop_training);
break;
}else{
display_movement(&error);
}
ms_delay(50);
}
}
void main(void) {
long op1, op2; //32-bit operands
char* ptr; //pointer to keypad buffer
char* blanks;
char kbuf[12]; //keypad buffer
char c, a;
int i;
ptr = kbuf;
blanks = " ";
PLL_init(); //set system clock freq to 24MHz
lcd_init(); //enable lcd
keypad_enable(); //enable keypad
set_lcd_addr(0x00); //display on 1st line
i = 0;
while(1) {
c = getkey(); //read keypad
a = hex2asc(c); //convert to ascii
kbuf[i] = a; // and store in kbuf
if(c<10) { //if 0 - 9
data8(a); // display on lcd
wait_keyup(); // wait to release key
i++; //increment index
} else {
switch(c) {
case 0xE: //if enter (*) key
op1 = number(ptr); //convert to binary
set_lcd_addr(0x40); //display on 2nd line
write_long_lcd(op1);
set_lcd_addr(0x00); //clear 1st line
type_lcd(blanks);
wait_keyup(); //wait to release key
i = 0; //reset kbuf index
set_lcd_addr(0x00); //display on 2nd line
break;
case 0xA: //if key A
op2 = number(ptr); //convert to binary
op1 = op1 + op2; //compete sum
set_lcd_addr(0x40); //display on 2nd line
write_long_lcd(op1);
set_lcd_addr(0x00); //clear 1st line
type_lcd(blanks);
wait_keyup(); //wait to release key
i = 0; //reset kbuf index
set_lcd_addr(0x00); //display on 1st line
break;
case 0xF: //if clear (#) key
clear_lcd(); //clear lcd display
wait_keyup(); //wait to release key
i = 0; //reset kbuf index
break;
default:
break;
}
}
}
}
void main(void) {
char key; //key pressed
Flag *flag = createFlag();
PLL_init(); //set system clock freq to 24MHz
lcd_init(); //enable lcd display (clear display)
keypad_enable(); //enable keypad
led_enable(); //enable leds
seg7_disable(); //turn off and disable seg7 display
set_lcd_addr(0x40); //set display on 2nd line
while(1){
key = getkey(); //read keypad
if(flag->shift == true) //shift key was pressed
shiftMode(key, flag); //operator input keys
else
stdMode(key, flag); //standard input keys
} //end while(1)
} //end main