void usbToUartService()
{
uint8 signals;
// Data
while(usbComRxAvailable() && uart1TxAvailable())
{
uart1TxSendByte(usbComRxReceiveByte());
}
while(uart1RxAvailable() && usbComTxAvailable())
{
usbComTxSendByte(uart1RxReceiveByte());
}
// Control lines controlled by computer.
P1_0 = !(usbComRxControlSignals() & ACM_CONTROL_LINE_DTR);
P1_1 = !(usbComRxControlSignals() & ACM_CONTROL_LINE_RTS);
P1DIR |= (1<<0) | (1<<1);
// Control lines controlled by device.
signals = 0;
if (!P1_2){ signals |= ACM_SERIAL_STATE_TX_CARRIER; } // TX Carrier = DSR
if (!P1_3){ signals |= ACM_SERIAL_STATE_RX_CARRIER; } // RX Carrier = CD
usbComTxControlSignals(signals);
}
void uartToRadioService()
{
// Data
while(uart1RxAvailable() && radioComTxAvailable())
{
radioComTxSendByte(uart1RxReceiveByte());
}
while(radioComRxAvailable() && uart1TxAvailable())
{
uart1TxSendByte(radioComRxReceiveByte());
}
// Control Signals.
ioTxSignals(radioComRxControlSignals());
radioComTxControlSignals(ioRxSignals());
}
void usbToUartService()
{
uint8 signals;
// Data
while(usbComRxAvailable() && uart1TxAvailable())
{
uart1TxSendByte(usbComRxReceiveByte());
}
while(uart1RxAvailable() && usbComTxAvailable())
{
usbComTxSendByte(uart1RxReceiveByte());
}
ioTxSignals(usbComRxControlSignals());
// Need to switch bits 0 and 1 so that DTR pairs up with DSR.
signals = ioRxSignals();
usbComTxControlSignals( ((signals & 1) ? 2 : 0) | ((signals & 2) ? 1 : 0));
// TODO: report framing, parity, and overrun errors to the USB host here
}
void putchar(char c)
{
uart1TxSendByte(c); //Routine für die Ausgabe einzelner char
}
