/***************************************************KEYPAD *****************************************
Displays keys pressed on 4x4 keypad on the uart
*****************************************************TEST*******************************************/
void keypad_test()
{
uint8_t key;
UART_Printf("\n\rConnections: Port 2");
UART_Printf("\n\rMake connections and hit 'k' to test!");
while(UART_RxChar()!='k');
KEYPAD_Init();
while(1)
{
key = KEYPAD_GetKey();
UART_Printf("\n\r Key:%c", key);
}
}
int main()
{
uint8_t key;
SystemInit();
UART0_Init(9600); // Initialize UART0 at 9600 baud rate
KEYPAD_Init(P2_0,P2_1,P2_2,P2_3,P2_4,P2_5,P2_6,P2_7); // Keypad is connected to P2_0 - P2_7
while (1)
{
key = KEYPAD_GetKey(); // Read the Ascii value of Key
UART0_Printf("\n\r Key:%c", key); // Transmit the key pressed on UART
}
}
/***************************************************KEYPAD *****************************************
Displays keys pressed on 4x4 keypad on the uart
*****************************************************TEST*******************************************/
void keypad_test()
{
uint8_t key;
UART_Printf("\n\rConnections: PORTD");
UART_Printf("\n\rMake connections and hit 'k' to test!");
while(UART_RxChar()!='k');
KEYPAD_Init(PD_0,PD_1,PD_2,PD_3,PD_4,PD_5,PD_6,PD_7);
while(1)
{
key = KEYPAD_GetKey();
UART_Printf("\n\r Key:%c", key);
}
}
/* Program to demonstrate the hex-Keypad interface*/
int main()
{
uint8_t key;
LCD_Init(8,2,16); /*Initialize the 2x16 LCD in 8-bit mode */
KEYPAD_Init(); /*Configure the ROWs and COLUMNs for keypad scanning*/
while(1)
{
key = KEYPAD_GetKey(); /*Get the Ascii value of the key Pressed */
LCD_DisplayChar(key); /*Display the key pressed */
}
return 0;
}
