From 48be688f451e81d2a81c76a85dadf18093e672ab Mon Sep 17 00:00:00 2001
From: Perry Hung <iperry@alum.mit.edu>
Date: Mon, 22 Mar 2010 23:52:08 -0400
Subject: Added open-drain output and analog-input modes

---
 src/wiring/io.h             | 18 ++----------------
 src/wiring/wiring_digital.c |  5 +++++
 2 files changed, 7 insertions(+), 16 deletions(-)

(limited to 'src')

diff --git a/src/wiring/io.h b/src/wiring/io.h
index 9c226c5..a313b2b 100644
--- a/src/wiring/io.h
+++ b/src/wiring/io.h
@@ -94,29 +94,15 @@ extern "C"{
 
 typedef enum WiringPinMode {
     OUTPUT,
+    OUTPUT_OPEN_DRAIN,
     INPUT,
+    INPUT_ANALOG,
     INPUT_PULLUP,
     INPUT_PULLDOWN,
     INPUT_FLOATING,
     PWM
 } WiringPinMode;
 
-#if 0
-typedef enum PinMode {
-    INPUT_FLOATING,
-    INPUT_ANALOG,
-    INPUT_DIGITAL,
-    INPUT_PULLDOWN,
-    INPUT_PULLUP,
-    INPUT,
-    OUTPUT,
-    PWM,
-    SERIAL,
-    SPI,
-    I2C,
-} PinMode;
-#endif
-
 /* Set pin to mode
  * pinMode(pin, mode):
  *     pin -> {0-38, D0-D39, A0-16}
diff --git a/src/wiring/wiring_digital.c b/src/wiring/wiring_digital.c
index 71be17b..b1be9a5 100644
--- a/src/wiring/wiring_digital.c
+++ b/src/wiring/wiring_digital.c
@@ -97,10 +97,15 @@ void pinMode(uint8_t pin, WiringPinMode mode) {
     case OUTPUT:
         outputMode = GPIO_MODE_OUTPUT_PP;
         break;
+    case OUTPUT_OPEN_DRAIN:
+        outputMode = GPIO_MODE_OUTPUT_OD;
+        break;
     case INPUT:
     case INPUT_FLOATING:
         outputMode = GPIO_MODE_INPUT_FLOATING;
         break;
+    case INPUT_ANALOG:
+        outputMode = GPIO_MODE_INPUT_ANALOG;
     case INPUT_PULLUP:
         outputMode = GPIO_MODE_INPUT_PU;
         break;
-- 
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