diff options
| -rw-r--r-- | src/main.c | 5 | ||||
| -rw-r--r-- | src/serial.c | 64 |
2 files changed, 68 insertions, 1 deletions
@@ -134,7 +134,7 @@ int main(int argc, char* argv[]) fclose (pidfile); }//if params.fork - if(params.serial) + if ( params.serial ) printf("asdf"); else if (params.telnet) telnet_server(params); @@ -142,6 +142,9 @@ int main(int argc, char* argv[]) return 0; } +void dialup_server(struct prog_params params) +{ +} void telnet_server(struct prog_params params) { diff --git a/src/serial.c b/src/serial.c new file mode 100644 index 0000000..01f27bb --- /dev/null +++ b/src/serial.c @@ -0,0 +1,64 @@ +#include <errno.h> +#include <fcntl.h> +#include <string.h> +#include <termios.h> +#include <unistd.h> + +int +set_interface_attribs (int fd, int speed, int parity) +{ + struct termios tty; + memset (&tty, 0, sizeof tty); + if (tcgetattr (fd, &tty) != 0) + { + error_message ("error %d from tcgetattr", errno); + return -1; + } + + cfsetospeed (&tty, speed); + cfsetispeed (&tty, speed); + + tty.c_cflag = (tty.c_cflag & ~CSIZE) | CS8; // 8-bit chars + // disable IGNBRK for mismatched speed tests; otherwise receive break + // as \000 chars + tty.c_iflag &= ~IGNBRK; // disable break processing + tty.c_lflag = 0; // no signaling chars, no echo, + // no canonical processing + tty.c_oflag = 0; // no remapping, no delays + tty.c_cc[VMIN] = 0; // read doesn't block + tty.c_cc[VTIME] = 5; // 0.5 seconds read timeout + + tty.c_iflag &= ~(IXON | IXOFF | IXANY); // shut off xon/xoff ctrl + + tty.c_cflag |= (CLOCAL | CREAD);// ignore modem controls, + // enable reading + tty.c_cflag &= ~(PARENB | PARODD); // shut off parity + tty.c_cflag |= parity; + tty.c_cflag &= ~CSTOPB; + tty.c_cflag &= ~CRTSCTS; + + if (tcsetattr (fd, TCSANOW, &tty) != 0) + { + error_message ("error %d from tcsetattr", errno); + return -1; + } + return 0; +} + +void +set_blocking (int fd, int should_block) +{ + struct termios tty; + memset (&tty, 0, sizeof tty); + if (tcgetattr (fd, &tty) != 0) + { + error_message ("error %d from tggetattr", errno); + return; + } + + tty.c_cc[VMIN] = should_block ? 1 : 0; + tty.c_cc[VTIME] = 5; // 0.5 seconds read timeout + + if (tcsetattr (fd, TCSANOW, &tty) != 0) + error_message ("error %d setting term attributes", errno); +} |