atomic pi utils

1 files changed, 16 insertions, 0 deletions

diff --git a/lib_i2c-gpio-custom-filter.sh b/lib_i2c-gpio-custom-filter.sh
new file mode 100644
index 000000000000..b8780fb8ab45
--- /dev/null
+++ b/lib_i2c-gpio-custom-filter.sh
@@ -0,0 +1,16 @@
+. /usr/lib/gpio-present.sh
+
+check_gpio_bus_configuration () {
+    ERRORS=0
+    shift;
+    if ! gpio_present $1; then
+        echo "SDA GPIO ($1) not detected" >&2
+        ERRORS="$(($ERRORS+1))"
+    fi
+    shift;
+    if ! gpio_present $1; then
+        echo "SCL GPIO ($1) not detected" >&2
+        ERRORS="$(($ERRORS+1))"
+    fi
+    return "$ERRORS"
+}