diff options
| -rw-r--r-- | tmk_core/avr.mk | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/tmk_core/avr.mk b/tmk_core/avr.mk index 24722736ee..e11ba2e23e 100644 --- a/tmk_core/avr.mk +++ b/tmk_core/avr.mk @@ -175,10 +175,11 @@ avrdude: $(BUILD_DIR)/$(TARGET).hex check-size ls /dev/tty* > /tmp/1; \ echo -e "Detecting USB port, reset your controller now.\c"; \ while [ -z $$USB ]; do \ - sleep 1; \ echo -e ".\c"; \ + sleep 0.5; \ ls /dev/tty* > /tmp/2; \ - USB=`diff /tmp/1 /tmp/2 | grep -o '/dev/tty.*'`; \ + USB=`comm -13 /tmp/1 /tmp/2 | grep -o '/dev/tty.*'`; \ + mv /tmp/2 /tmp/1; \ done; \ echo ""; \ echo "Detected controller on USB port at $$USB"; \ |