void onInterrupt(UsartEventType uet) {
if(uet==UsartEventType::EVENT_RECEIVE) {
// receive the next character
_buffer[_index++]=_usart.receive();
// if we've got the 5 characters then disable receiving interrupts
// and enable sending
if(_index==5) {
_index=0;
_usart.disableInterrupts(MyUsartInterrupt::RECEIVE);
_usart.enableInterrupts(MyUsartInterrupt::TRANSMIT);
}
}
else if(uet==UsartEventType::EVENT_READY_TO_TRANSMIT) {
// send the next character
_usart.send(_buffer[_index++]);
// if we've sent back all 5 then disable sending interrupts and go back
// to receiving again
if(_index==5) {
_index=0;
_usart.disableInterrupts(MyUsartInterrupt::TRANSMIT);
_usart.enableInterrupts(MyUsartInterrupt::RECEIVE);
}
}
}
