Diff: mbed/hal/analogin_api.h

Revision:

6:40e873bbc5f7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed/hal/analogin_api.h	Thu Mar 16 21:58:09 2017 +0900
@@ -0,0 +1,71 @@
+
+/** \addtogroup hal */
+/** @{*/
+/* 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
+
+/** @}*/