serialPort_t *findNextSharedSerialPort(uint16_t functionMask, serialPortFunction_e sharedWithFunction)
{
while (findSharedSerialPortState.lastIndex < SERIAL_PORT_COUNT) {
serialPortConfig_t *candidate = &serialConfig->portConfigs[findSharedSerialPortState.lastIndex++];
if (isSerialPortShared(candidate, functionMask, sharedWithFunction)) {
serialPortUsage_t *serialPortUsage = findSerialPortUsageByIdentifier(candidate->identifier);
if (!serialPortUsage) {
continue;
}
return serialPortUsage->serialPort;
}
}
return NULL;
}
serialPort_t *openSerialPort(
serialPortIdentifier_e identifier,
serialPortFunction_e function,
serialReceiveCallbackPtr callback,
uint32_t baudRate,
portMode_t mode,
portOptions_t options)
{
#if (!defined(USE_VCP) && !defined(USE_UART1) && !defined(USE_UART2) && !defined(USE_UART3) && !defined(USE_UART4) && !defined(USE_UART5) && !defined(USE_SOFTSERIAL1) && !defined(USE_SOFTSERIAL1))
UNUSED(callback);
UNUSED(baudRate);
UNUSED(mode);
UNUSED(options);
#endif
serialPortUsage_t *serialPortUsage = findSerialPortUsageByIdentifier(identifier);
if (!serialPortUsage || serialPortUsage->function != FUNCTION_NONE) {
// not available / already in use
return NULL;
}
serialPort_t *serialPort = NULL;
switch(identifier) {
#ifdef USE_VCP
case SERIAL_PORT_USB_VCP:
serialPort = usbVcpOpen();
break;
#endif
#ifdef USE_UART1
case SERIAL_PORT_UART1:
serialPort = uartOpen(USART1, callback, baudRate, mode, options);
break;
#endif
#ifdef USE_UART2
case SERIAL_PORT_UART2:
serialPort = uartOpen(USART2, callback, baudRate, mode, options);
break;
#endif
#ifdef USE_UART3
case SERIAL_PORT_UART3:
serialPort = uartOpen(USART3, callback, baudRate, mode, options);
break;
#endif
#ifdef USE_UART4
case SERIAL_PORT_UART4:
serialPort = uartOpen(UART4, callback, baudRate, mode, options);
break;
#endif
#ifdef USE_UART5
case SERIAL_PORT_UART5:
serialPort = uartOpen(UART5, callback, baudRate, mode, options);
break;
#endif
#ifdef USE_SOFTSERIAL1
case SERIAL_PORT_SOFTSERIAL1:
serialPort = openSoftSerial(SOFTSERIAL1, callback, baudRate, options);
serialSetMode(serialPort, mode);
break;
#endif
#ifdef USE_SOFTSERIAL2
case SERIAL_PORT_SOFTSERIAL2:
serialPort = openSoftSerial(SOFTSERIAL2, callback, baudRate, options);
serialSetMode(serialPort, mode);
break;
#endif
default:
break;
}
if (!serialPort) {
return NULL;
}
serialPort->identifier = identifier;
serialPortUsage->function = function;
serialPortUsage->serialPort = serialPort;
return serialPort;
}
serialPort_t *openSerialPort(
serialPortIdentifier_e identifier,
serialPortFunction_e function,
serialReceiveCallbackPtr callback,
uint32_t baudRate,
portMode_t mode,
serialInversion_e inversion)
{
serialPortUsage_t *serialPortUsage = findSerialPortUsageByIdentifier(identifier);
if (serialPortUsage->function != FUNCTION_NONE) {
// already in use
return NULL;
}
serialPort_t *serialPort = NULL;
switch(identifier) {
#ifdef USE_VCP
case SERIAL_PORT_USB_VCP:
serialPort = usbVcpOpen();
break;
#endif
#ifdef USE_USART1
case SERIAL_PORT_USART1:
serialPort = uartOpen(USART1, callback, baudRate, mode, inversion);
break;
#endif
#ifdef USE_USART2
case SERIAL_PORT_USART2:
serialPort = uartOpen(USART2, callback, baudRate, mode, inversion);
break;
#endif
#ifdef USE_USART3
case SERIAL_PORT_USART3:
serialPort = uartOpen(USART3, callback, baudRate, mode, inversion);
break;
#endif
#ifdef USE_SOFTSERIAL1
case SERIAL_PORT_SOFTSERIAL1:
serialPort = openSoftSerial(SOFTSERIAL1, callback, baudRate, inversion);
serialSetMode(serialPort, mode);
break;
#endif
#ifdef USE_SOFTSERIAL2
case SERIAL_PORT_SOFTSERIAL2:
serialPort = openSoftSerial(SOFTSERIAL2, callback, baudRate, inversion);
serialSetMode(serialPort, mode);
break;
#endif
default:
break;
}
if (!serialPort) {
return NULL;
}
serialPort->identifier = identifier;
serialPortUsage->function = function;
serialPortUsage->serialPort = serialPort;
return serialPort;
}
bool isSerialPortOpen(serialPortConfig_t *portConfig)
{
serialPortUsage_t *serialPortUsage = findSerialPortUsageByIdentifier(portConfig->identifier);
return serialPortUsage && serialPortUsage->function != FUNCTION_NONE;
}