2 files changed, 5 insertions, 1 deletions
diff --git a/wirish/io.h b/wirish/io.h
index e779604..4aa1eef 100644
--- a/wirish/io.h
+++ b/wirish/io.h
@@ -47,7 +47,8 @@ typedef enum WiringPinMode {
     INPUT_PULLUP,
     INPUT_PULLDOWN,
     INPUT_FLOATING,
-    PWM
+    PWM,
+    PWM_OPEN_DRAIN,
 } WiringPinMode;
 
 
diff --git a/wirish/wirish_digital.c b/wirish/wirish_digital.c
index c93c786..9dd46ed 100644
--- a/wirish/wirish_digital.c
+++ b/wirish/wirish_digital.c
@@ -58,6 +58,9 @@ void pinMode(uint8 pin, WiringPinMode mode) {
     case PWM:
         outputMode = GPIO_MODE_AF_OUTPUT_PP;
         break;
+    case PWM_OPEN_DRAIN:
+        outputMode = GPIO_MODE_AF_OUTPUT_OD;
+        break;
     default:
         ASSERT(0);
         return;