1 files changed, 39 insertions, 0 deletions
diff --git a/core/wiring_analog.c b/core/wiring_analog.c
new file mode 100644
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--- /dev/null
+++ b/core/wiring_analog.c
@@ -0,0 +1,39 @@
+/* *****************************************************************************
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *  Created: 12/18/09 02:41:55
+ *  Copyright (c) 2009 Perry L. Hung. All rights reserved.
+ *
+ * ****************************************************************************/
+
+/**
+ *  @file wiring_analog.c
+ *
+ *  @brief 
+ */
+
+#include "libmaple.h"
+#include "wiring.h"
+#include "io.h"
+
+extern const PinMapping PIN_MAP[NR_MAPLE_PINS];
+
+/* Assumes that the ADC has been initialized and
+ * that the pin is set to ANALOG_INPUT */
+uint32_t analogRead(uint8_t pin) {
+    if (pin >= NR_ANALOG_PINS)
+        return 0;
+
+    return adc_read(PIN_MAP[pin].adc);
+}