/**
* \brief Initialize the ports for USART in order to display strings to the LCD, and terminal.
*/
void initializeUSART() {
// Turn on the serial port for debugging or for other USART reasons.
usartOpen(USART_0, BAUD_RATE_115200, portSERIAL_BUFFER_TX, portSERIAL_BUFFER_RX);
// Turn on the LCD port
usartOpen(USART_1, BAUD_RATE_9600, portSERIAL_BUFFER_TX, portSERIAL_BUFFER_RX);
// Turn on the Gainspan port (wireless interface)
usartOpen(USART_2, BAUD_RATE_9600, portSERIAL_BUFFER_TX, portSERIAL_BUFFER_RX);
}
/*!\brief Initialize the LCD for communication, called before any printing
* can be done.
*
*\details This function must be called once before trying to print on the LCD,
* or else the LCD will not receive commands sent to it. In technical detail,
* to be able to communicate with and print on the LCD, we have to set the
* Data Register DDRD, and then set PortD pin 3 as output compare, since the
* LCD is connected to pin 3 on Chico™.
*
*/
void initLCD (void) {
// Open the USART port for writing.
usartOpen(LCD_ADDRESS, 9600, portSERIAL_BUFFER_TX, portSERIAL_BUFFER_RX);
// Set the data register for the LCD.
DDRD |= _BV(DDD3);
// Point at pin 3, where the LCD is connected.
PORTD |= _BV(PORTD3);
// Turn on the display.
lcdCommand(TURN_ON_DISPLAY);
// Clear the LCD, in case it has any previous content.
lcdCommand(CLEAR_LCD);
}
