add gpio bit read function

1 files changed, 10 insertions, 0 deletions

diff --git a/bus.c b/bus.c
index 38298d0..0683113 100644
--- a/bus.c
+++ b/bus.c
@@ -358,6 +358,16 @@ void bus_init()
 	}
 }
 
+
+int bus_getpin(int pin)
+{
+        if (isbb) {
+                return gpio_readvalue(gpio_pins[pin]);
+        } else {
+		return 0;
+	}
+}
+
 void bus_setpin(int pin, int value)
 {
 	if (isbb) {