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author | Jakob Odersky <jodersky@gmail.com> | 2013-07-11 15:33:14 +0200 |
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committer | Jakob Odersky <jodersky@gmail.com> | 2013-07-11 15:33:14 +0200 |
commit | b686a116e484cc8f315443e09a8e20a9ccb7abce (patch) | |
tree | 6249e59955a756d12c7c54915a45fc70f99496ca /flow-native/unix/src | |
parent | 9ceea97cfb9bbf692c986534860ab0bbb315911b (diff) | |
download | akka-serial-b686a116e484cc8f315443e09a8e20a9ccb7abce.tar.gz akka-serial-b686a116e484cc8f315443e09a8e20a9ccb7abce.tar.bz2 akka-serial-b686a116e484cc8f315443e09a8e20a9ccb7abce.zip |
add support for different serial configurations
Diffstat (limited to 'flow-native/unix/src')
-rw-r--r-- | flow-native/unix/src/flow.c | 63 |
1 files changed, 45 insertions, 18 deletions
diff --git a/flow-native/unix/src/flow.c b/flow-native/unix/src/flow.c index 29769d3..07e1c9f 100644 --- a/flow-native/unix/src/flow.c +++ b/flow-native/unix/src/flow.c @@ -57,7 +57,13 @@ struct serial_config { }; -int serial_open(const char* port_name, int baud, struct serial_config** serial) { +int serial_open( + const char* port_name, + int baud, + int char_size, + bool two_stop_bits, + int parity, + struct serial_config** serial) { int fd = open(port_name, O_RDWR | O_NOCTTY | O_NONBLOCK); @@ -75,6 +81,15 @@ int serial_open(const char* port_name, int baud, struct serial_config** serial) return E_BUSY; } + /* configure new port settings */ + struct termios newtio; + + newtio.c_cflag = 0; + newtio.c_oflag = 0; + newtio.c_iflag = 0; + newtio.c_lflag = 0; + + /* set speed */ speed_t bd; switch (baud) { case 50: bd = B50; break; @@ -97,29 +112,41 @@ int serial_open(const char* port_name, int baud, struct serial_config** serial) case 230400: bd = B230400; break; default: close(fd); - return E_INVALID_BAUD; - break; + return E_INVALID_SETTINGS; } - - /* configure new port settings */ - struct termios newtio; - newtio.c_cflag &= ~(PARENB | CSTOPB | CSIZE | CRTSCTS); // 8N1 - newtio.c_cflag |= CS8 | CREAD | CLOCAL; - newtio.c_iflag &= ~(IXON | IXOFF | IXANY); // turn off s/w flow ctrl - newtio.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG); // make raw - newtio.c_oflag &= ~OPOST; // make raw - - //see: http://unixwiz.net/techtips/termios-vmin-vtime.html - //newtio.c_cc[VMIN] = 1; - //newtio.c_cc[VTIME] = 2*10/baud; if (cfsetspeed(&newtio, bd) < 0) { DEBUG(perror("set baud rate");); close(fd); return E_IO; } + + /* set char size*/ + switch (char_size) { + case 5: newtio.c_cflag |= CS5; break; + case 6: newtio.c_cflag |= CS6; break; + case 7: newtio.c_cflag |= CS7; break; + case 8: newtio.c_cflag |= CS8; break; + default: + close(fd); + return E_INVALID_SETTINGS; + } + + /* use two stop bits */ + if (two_stop_bits){ + newtio.c_cflag |= CSTOPB; + } + + /* set parity */ + switch (parity) { + case PARITY_NONE: break; + case PARITY_ODD: newtio.c_cflag |= (PARENB | PARODD); break; + case PARITY_EVEN: newtio.c_cflag |= PARENB; break; + default: + close(fd); + return E_INVALID_SETTINGS; + } - /* load new settings to port */ if (tcflush(fd, TCIOFLUSH) < 0) { DEBUG(perror("flush serial settings");); close(fd); @@ -255,11 +282,11 @@ inline jlong s2j(struct serial_config* pointer) { } JNIEXPORT jint JNICALL Java_com_github_jodersky_flow_internal_NativeSerial_open - (JNIEnv *env, jclass clazz, jstring port_name, jint baud, jlongArray jserialp) + (JNIEnv *env, jclass clazz, jstring port_name, jint baud, jint char_size, jboolean two_stop_bits, jint parity, jlongArray jserialp) { const char *dev = (*env)->GetStringUTFChars(env, port_name, 0); struct serial_config* serial; - int r = serial_open(dev, baud, &serial); + int r = serial_open(dev, baud, char_size, two_stop_bits, parity, &serial); (*env)->ReleaseStringUTFChars(env, port_name, dev); long serialp = s2j(serial); |