* Base commit for DAC.

libraries/mbed/targets/hal/TARGET_Atmel/TARGET_SAM21/TARGET_SAMR21G18A/device.h

@@ -23,7 +23,7 @@
 #define DEVICE_INTERRUPTIN      1
 
 #define DEVICE_ANALOGIN         1
-#define DEVICE_ANALOGOUT        0
+#define DEVICE_ANALOGOUT        1
 
 #define DEVICE_SERIAL           1
 #define DEVICE_SERIAL_FC        1

libraries/mbed/targets/hal/TARGET_Atmel/TARGET_SAM21/analogout_api.c

@@ -0,0 +1,53 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "mbed_assert.h"
+#include "analogout_api.h"
+
+#include "cmsis.h"
+#include "pinmap.h"
+#include "PeripheralPins.h"
+
+void analogout_init(dac_t *obj, PinName pin)
+{
+}
+
+void analogout_free(dac_t *obj)
+{
+}
+
+static inline void dac_write(dac_t *obj, int value)
+{
+}
+
+static inline int dac_read(dac_t *obj)
+{
+}
+
+void analogout_write(dac_t *obj, float value)
+{
+}
+
+void analogout_write_u16(dac_t *obj, uint16_t value)
+{
+}
+
+float analogout_read(dac_t *obj)
+{
+}
+
+uint16_t analogout_read_u16(dac_t *obj)
+{
+}