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Fix RS-485 delays passed to ioctl 

The kernel wants to have them in milliseconds where
SerialPort.setRs485ModeParameters uses microseconds.
This commit is contained in:
Christian Meusel 2021-06-23 16:55:56 +02:00
parent 374323cd6e
commit 2092ca0c0b
1 changed files with 5 additions and 2 deletions
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7
src/main/c/Posix/SerialPort_Posix.c
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@ -393,8 +393,11 @@ JNIEXPORT jboolean JNICALL Java_com_fazecast_jSerialComm_SerialPort_configPort(J
rs485Conf.flags &= ~(SER_RS485_RTS_ON_SEND);
rs485Conf.flags |= SER_RS485_RTS_AFTER_SEND;
}
rs485Conf.delay_rts_before_send = rs485DelayBefore;
rs485Conf.delay_rts_after_send = rs485DelayAfter;
// SerialPort defines delays in microseconds and Linux expects
// milliseconds (see
// https://github.com/torvalds/linux/blob/0c18f29aae7ce3dadd26d8ee3505d07cc982df75/include/uapi/linux/serial.h#L129).
rs485Conf.delay_rts_before_send = rs485DelayBefore / 1000;
rs485Conf.delay_rts_after_send = rs485DelayAfter / 1000;
ioctl(serialPortFD, TIOCSRS485, &rs485Conf);
}
#endif