Exemplos de serialGetBaudEntry em C++ (Cpp)

Exemplo n.º 1

Arquivo: serial_msdos.c Projeto: junwuwei/brailleback

int
serialGetAttributes (SerialDevice *serial, SerialAttributes *attributes) {
  int interruptsWereEnabled = disable();
  unsigned char lcr = serialReadPort(serial, UART_PORT_LCR);
  int divisor;

  serialWritePort(serial, UART_PORT_LCR,
                  lcr | UART_FLAG_LCR_DLAB);
  divisor = (serialReadPort(serial, UART_PORT_DLH) << 8) |
            serialReadPort(serial, UART_PORT_DLL);
  serialWritePort(serial, UART_PORT_LCR, lcr);
  if (interruptsWereEnabled) enable();

  attributes->bios.byte = lcr;
  {
    const SerialBaudEntry *baud = serialGetBaudEntry(SERIAL_DIVISOR_BASE/divisor);
    if (baud) {
      attributes->speed = baud->speed;
    } else {
      memset(&attributes->speed, 0,
             sizeof(attributes->speed));
    }
  }
  attributes->bios.fields.bps = attributes->speed.biosBPS;

  return 1;
}

Exemplo n.º 2

int
serialGetAttributes (SerialDevice *serial, SerialAttributes *attributes) {
  unsigned char lcr;
  int divisor;

  {
    int wasEnabled = disable();

    lcr = serialReadPort(serial, UART_PORT_LCR);
    serialWritePort(serial, UART_PORT_LCR, (lcr | UART_FLAG_LCR_DLAB));

    divisor = (serialReadPort(serial, UART_PORT_DLH) << 8) |
               serialReadPort(serial, UART_PORT_DLL);
    serialWritePort(serial, UART_PORT_LCR, lcr);

    if (wasEnabled) enable();
  }

  attributes->bios.byte = lcr;

  {
    const SerialBaudEntry *baud = serialGetBaudEntry(SERIAL_DIVISOR_BASE/divisor);

    if (baud) {
      attributes->speed = baud->speed;
    } else {
      logMessage(LOG_WARNING, "unsupported serial divisor: %d", divisor);
      memset(&attributes->speed, 0, sizeof(attributes->speed));
    }
  }

  attributes->bios.fields.bps = attributes->speed.bps;
  return 1;
}

Exemplo n.º 3

void
serialPutInitialAttributes (SerialAttributes *attributes) {
  attributes->speed = serialGetBaudEntry(9600)->speed;
  attributes->bios.fields.bps = attributes->speed.bps;
  attributes->bios.fields.dataBits = SERIAL_BIOS_DATA_8;
  attributes->bios.fields.stopBits = SERIAL_BIOS_STOP_1;
  attributes->bios.fields.parity = SERIAL_BIOS_PARITY_NONE;
}

Exemplo n.º 4

int
serialSetBaud (SerialDevice *serial, unsigned int baud) {
  const SerialBaudEntry *entry = serialGetBaudEntry(baud);

  if (entry) {
    logMessage(LOG_CATEGORY(SERIAL_IO), "set baud: %u", baud);

    if (serialPutSpeed(&serial->pendingAttributes, entry->speed)) {
      return 1;
    } else {
      logMessage(LOG_WARNING, "unsupported serial baud: %d", baud);
    }
  } else {
    logMessage(LOG_WARNING, "undefined serial baud: %d", baud);
  }

  return 0;
}

Exemplo n.º 5

static void
serialInitializeAttributes (SerialAttributes *attributes) {
  memset(attributes, 0, sizeof(*attributes));
  serialPutInitialAttributes(attributes);

  {
    const SerialBaudEntry *entry = serialGetBaudEntry(SERIAL_DEFAULT_BAUD);

    if (!entry) {
      logMessage(LOG_WARNING, "default serial baud not defined: %u", SERIAL_DEFAULT_BAUD);
    } else if (!serialPutSpeed(attributes, entry->speed)) {
      logMessage(LOG_WARNING, "default serial baud not supported: %u", SERIAL_DEFAULT_BAUD);
    }
  }

  if (!serialPutDataBits(attributes, SERIAL_DEFAULT_DATA_BITS)) {
    logMessage(LOG_WARNING, "default serial data bits not supported: %u", SERIAL_DEFAULT_DATA_BITS);
  }

  if (!serialPutStopBits(attributes, SERIAL_DEFAULT_STOP_BITS)) {
    logMessage(LOG_WARNING, "default serial stop bits not supported: %u", SERIAL_DEFAULT_STOP_BITS);
  }

  if (!serialPutParity(attributes, SERIAL_DEFAULT_PARITY)) {
    logMessage(LOG_WARNING, "default serial parity not supported: %u", SERIAL_DEFAULT_PARITY);
  }

  if (serialPutFlowControl(attributes, SERIAL_DEFAULT_FLOW_CONTROL)) {
    logMessage(LOG_WARNING, "default serial flow control not supported: 0X%04X", SERIAL_DEFAULT_FLOW_CONTROL);
  }

  {
    int state = 0;

    if (!serialPutModemState(attributes, state)) {
      logMessage(LOG_WARNING, "default serial modem state not supported: %d", state);
    }
  }
}

Exemplo n.º 6

int
serialValidateBaud (unsigned int *baud, const char *description, const char *word, const unsigned int *choices) {
  if (!*word || isUnsignedInteger(baud, word)) {
    const SerialBaudEntry *entry = serialGetBaudEntry(*baud);

    if (entry) {
      if (!choices) return 1;

      while (*choices) {
        if (*baud == *choices) return 1;
        choices += 1;
      }

      logMessage(LOG_ERR, "unsupported %s: %u", description, *baud);
    } else {
      logMessage(LOG_ERR, "undefined %s: %u", description, *baud);
    }
  } else {
    logMessage(LOG_ERR, "invalid %s: %u", description, *baud);
  }

  return 0;
}