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jSerialComm
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Only enable BRKINT flag if not in RS485 mode

This commit is contained in:
hedgecrw85 2020-04-01 21:31:57 -05:00
parent ff463aaa42
commit 5ef0299abd
1 changed files with 3 additions and 1 deletions
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4
src/main/c/Posix/SerialPort_Posix.c
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@ -251,6 +251,7 @@ JNIEXPORT jlong JNICALL Java_com_fazecast_jSerialComm_SerialPort_openPortNative(
const char *portName = (*env)->GetStringUTFChars(env, portNameJString, NULL);
unsigned char isDtrEnabled = (*env)->GetBooleanField(env, obj, isDtrEnabledField);
unsigned char isRtsEnabled = (*env)->GetBooleanField(env, obj, isRtsEnabledField);
unsigned char rs485ModeEnabled = (*env)->GetBooleanField(env, obj, rs485ModeField);
// Try to open existing serial port with read/write access
int serialPortFD = -1;
@ -281,7 +282,8 @@ JNIEXPORT jlong JNICALL Java_com_fazecast_jSerialComm_SerialPort_openPortNative(
#endif
if (!isDtrEnabled || !isRtsEnabled)
options.c_cflag &= ~HUPCL;
options.c_iflag |= BRKINT;
if (!rs485ModeEnabled)
options.c_iflag |= BRKINT;
tcsetattr(serialPortFD, TCSANOW, &options);
// Configure the port parameters and timeouts