sw: started to implement serial on linux side

1 files changed, 20 insertions, 0 deletions

diff --git a/sw/linux/src/serial.c b/sw/linux/src/serial.c
index a13ef45..564676b 100644
--- a/sw/linux/src/serial.c
+++ b/sw/linux/src/serial.c
@@ -16,7 +16,27 @@ int serial_connect(const char *devpath, long baudrate)
         return -1;
     }
 
+    // TODO: update UI or add support for custom baudrate
     // cfsetospeed(&tty, 
+    // cfsetispeed(&tty, 
+
+    tty.c_cflag &= ~PARENB;  // no parity
+    tty.c_cflag &= ~CSTOPB;  // no stop bit
+    tty.c_cflag |= CS8;      // 8 bit data
+    tty.c_cflag &= ~CRTSCTS; // no flow control
+
+    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;  // no block read
+    tty.c_cc[VTIME] = .5;  // .5 seconds read timeout
+
+    tty.c_cflag |= CREAD | CLOCAL;      // turn on read and ignore ctrl lines
+    tty.c_iflag &= ~(IXON | IXOFF | IXANY); // turn off s/w flow ctrl
+    tty.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG); // make raw
+    tty.c_oflag &= ~OPOST; // make raw
+
+    tcflush(fd , TCIFLUSH);
+    // if (tcsetaddr(
 
     return fd;
 }