summaryrefslogtreecommitdiff
path: root/tmk_core
diff options
context:
space:
mode:
authorDanny Nguyen <danny@keeb.io>2018-01-25 16:36:01 -0500
committerJack Humbert <jack.humb@gmail.com>2018-02-08 15:15:12 -0500
commit361810dca80b31b2ba236df8fdea48b89fedfd4d (patch)
tree33f811b194eb605169584d1deb2c590fc84ceb2d /tmk_core
parent53ff8a31b61952d9675558149d927f7942071df9 (diff)
Only search through newly detected devices and discard ones that disappeared
Diffstat (limited to 'tmk_core')
-rw-r--r--tmk_core/avr.mk5
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"; \