#include "oulib.h"

#ifdef SERIAL_NPORTS_2
// Two serial ports
struct OU_FILE_BUF *ou_file_buf[2] = {NULL, NULL};

ISR(USART0_RX_vect) {
  serial_receive_isr(ou_file_buf[0]);
}
ISR(USART1_RX_vect) {
  serial_receive_isr(ou_file_buf[1]);
}
ISR(USART0_UDRE_vect) {
  serial_transmit_isr(ou_file_buf[0]);
}
ISR(USART1_UDRE_vect) {
  serial_transmit_isr(ou_file_buf[1]);
}
#else
#ifdef SERIAL_NPORTS_4
// Four serial ports
struct OU_FILE_BUF *ou_file_buf[4] = {NULL, NULL, NULL, NULL};

ISR(USART0_RX_vect) {
  serial_receive_isr(ou_file_buf[0]);
}
ISR(USART1_RX_vect) {
  serial_receive_isr(ou_file_buf[1]);
}

ISR(USART2_RX_vect) {
  serial_receive_isr(ou_file_buf[2]);
}

ISR(USART3_RX_vect) {
  serial_receive_isr(ou_file_buf[3]);
}
ISR(USART0_UDRE_vect) {
  serial_transmit_isr(ou_file_buf[0]);
}
ISR(USART1_UDRE_vect) {
  serial_transmit_isr(ou_file_buf[1]);
}
ISR(USART2_UDRE_vect) {
  serial_transmit_isr(ou_file_buf[2]);
}
ISR(USART3_UDRE_vect) {
  serial_transmit_isr(ou_file_buf[3]);
}
#else
// One serial port
struct OU_FILE_BUF *ou_file_buf[1] = {NULL};

ISR(USART_RXC_vect) {
  serial_receive_isr(ou_file_buf[0]);
}
ISR(USART_UDRE_vect) {
  serial_transmit_isr(ou_file_buf[0]);
}
#endif
#endif