clear uart parity

src/main.c

@@ -120,6 +120,8 @@ void read_can(Tel *t, int soc) {
 
         if (nbytes < 0) return; // -1 EAGAIN means empty
 
+        if (nbytes != sizeof(struct can_frame)) return;
+
         if (nbytes > 0) {
 
                 switch (frame.can_id) {
@@ -522,6 +524,7 @@ int main(int argc, char **argv) {
 
                 uart_str.c_cflag &= ~CSIZE; // clear bit size
                 uart_str.c_cflag |= (CLOCAL | CREAD | CS8);
+                uart_str.c_cflag &= ~PARENB;
 
                 cfsetispeed(&uart_str, B115200);
                 cfsetospeed(&uart_str, B115200);