atomic pi utils

1 files changed, 20 insertions, 0 deletions

diff --git a/atomicpi-hold-xmos b/atomicpi-hold-xmos
new file mode 100755
index 000000000000..fb6618fa6211
--- /dev/null
+++ b/atomicpi-hold-xmos
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+. /usr/lib/atomicpi.sh
+
+if [ "$1" = "--cleanup" ] || ! lsusb -d 20b1: ; then
+    # If XMOS hasn't initialized, first pull the reset line low to
+    # give it a nice voltage ramp.
+    atomicpi_gpio_hardware && gpioset --mode=time --us=200000 $ATOMICPICHIP_XMOS_RESET=0
+fi
+
+if [ -z "$1" ]; then
+    # Hold reset high
+    if atomicpi_gpio_hardware; then
+        exec gpioset --mode=signal $ATOMICPICHIP_XMOS_RESET=1
+    else
+        while true; do
+            sleep 2147483647;
+        done
+    fi
+fi