1 files changed, 3 insertions, 0 deletions
diff --git a/usb-i2c-sl018/update-keys.c b/usb-i2c-sl018/update-keys.c
index efeca83..9428fc3 100644
--- a/usb-i2c-sl018/update-keys.c
+++ b/usb-i2c-sl018/update-keys.c
@@ -40,6 +40,7 @@ uint8_t generate_csum(keyslot_t data)
 void send_key(keyslot_t key, FILE* dev)
 {
   fwrite(key, sizeof(keyslot_t), 1, dev);
+  fflush(dev);
   char tmp;
   while(fread(&tmp, 1, 1, dev)) {
     fwrite(&tmp, 1, 1, stdout);
@@ -64,6 +65,8 @@ int main(int argc, char* argv[])
   int fd = fileno(dev);
   struct termios t;
   tcgetattr(fd, &t);
+  t.c_lflag &= ~(ICANON | ECHO);
+  t.c_iflag &= ~(ICRNL | INLCR | IXON | IXOFF);
   cfmakeraw(&t);
   tcflush(fd, TCIOFLUSH);
   tcsetattr(fd, TCSANOW, &t);