X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fcommon%2Fserial.c;h=cebca29e418dd833007c37572a747d2c84d85cbc;hb=e006af1116adb76014e77db718bb8673137a8bf5;hp=3ecd124e0ba634b3d52a9571c572a36bd3708250;hpb=f0551a6543206a0970410481b8e36bbfa6a609ea;p=libsigrok.git diff --git a/hardware/common/serial.c b/hardware/common/serial.c index 3ecd124e..cebca29e 100644 --- a/hardware/common/serial.c +++ b/hardware/common/serial.c @@ -124,7 +124,10 @@ void serial_restore_params(int fd, void *backup) #endif } -/* flowcontrol 1 = rts/cts 2 = xon/xoff */ +/* + * flowcontrol 1 = rts/cts 2 = xon/xoff + * parity 0 = none, 1 = even, 2 = odd + */ int serial_set_params(int fd, int speed, int bits, int parity, int stopbits, int flowcontrol) { @@ -165,21 +168,81 @@ int serial_set_params(int fd, int speed, int bits, int parity, int stopbits, } #else struct termios term; + speed_t baud; - /* Only supporting what we need really, currently the OLS driver. */ - if (speed != 115200 || bits != 8 || parity != 0 || stopbits != 1 - || flowcontrol != 2) + switch (speed) { + case 9600: + baud = B9600; + break; + case 38400: + baud = B38400; + break; + case 57600: + baud = B57600; + break; + case 115200: + baud = B115200; + break; + case 460800: + baud = B460800; + break; + default: return SIGROK_ERR; + } if (tcgetattr(fd, &term) < 0) return SIGROK_ERR; - if (cfsetispeed(&term, B115200) < 0) + if (cfsetispeed(&term, baud) < 0) return SIGROK_ERR; + term.c_cflag &= ~CSIZE; - term.c_cflag |= CS8; + switch (bits) { + case 8: + term.c_cflag |= CS8; + break; + case 7: + term.c_cflag |= CS7; + break; + default: + return SIGROK_ERR; + } + term.c_cflag &= ~CSTOPB; - term.c_cflag |= IXON | IXOFF; - term.c_iflag |= IGNPAR; + switch (stopbits) { + case 1: + break; + case 2: + term.c_cflag |= CSTOPB; + default: + return SIGROK_ERR; + } + + term.c_cflag &= ~(IXON | IXOFF | CRTSCTS); + switch (flowcontrol) { + case 2: + term.c_cflag |= IXON | IXOFF; + break; + case 1: + term.c_cflag |= CRTSCTS; + default: + return SIGROK_ERR; + } + + term.c_iflag &= ~(IGNPAR | PARODD | PARENB); + switch (parity) { + case 0: + term.c_iflag |= IGNPAR; + break; + case 1: + term.c_iflag |= PARENB; + break; + case 2: + term.c_iflag |= PARENB | PARODD; + break; + default: + return SIGROK_ERR; + } + if (tcsetattr(fd, TCSADRAIN, &term) < 0) return SIGROK_ERR; #endif