Diff: hal/analogin_api.h

Revision:

144:ef7eb2e8f9f7

Parent:

0:9b334a45a8ff

Child:

149:156823d33999

--- a/hal/analogin_api.h	Tue Aug 02 14:07:36 2016 +0000
+++ b/hal/analogin_api.h	Fri Sep 02 15:07:44 2016 +0100
@@ -1,39 +1,66 @@
-/* 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.
- */
-#ifndef MBED_ANALOGIN_API_H
-#define MBED_ANALOGIN_API_H
-
-#include "device.h"
-
-#if DEVICE_ANALOGIN
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef struct analogin_s analogin_t;
-
-void     analogin_init    (analogin_t *obj, PinName pin);
-float    analogin_read    (analogin_t *obj);
-uint16_t analogin_read_u16(analogin_t *obj);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
-
-#endif
+/* 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.
+ */
+#ifndef MBED_ANALOGIN_API_H
+#define MBED_ANALOGIN_API_H
+
+#include "device.h"
+
+#if DEVICE_ANALOGIN
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Analogin hal structure. analogin_s is declared in the target's hal
+ */
+typedef struct analogin_s analogin_t;
+
+/**
+ * \defgroup hal_analogin Analogin hal functions
+ * @{
+ */
+
+/** Initialize the analogin peripheral
+ *
+ * Configures the pin used by analogin.
+ * @param obj The analogin object to initialize
+ * @param pin The analogin pin name
+ */
+void analogin_init(analogin_t *obj, PinName pin);
+
+/** Read the input voltage, represented as a float in the range [0.0, 1.0]
+ *
+ * @param obj The analogin object
+ * @return A floating value representing the current input voltage
+ */
+float analogin_read(analogin_t *obj);
+
+/** Read the value from analogin pin, represented as an unsigned 16bit value
+ *
+ * @param obj The analogin object
+ * @return An unsigned 16bit value representing the current input voltage
+ */
+uint16_t analogin_read_u16(analogin_t *obj);
+
+/**@}*/
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+#endif