Lee Kai Xuan / mbed-os

mbed-os

Fork of mbed-os by erkin yucel

hal/analogin_api.h@1:3deb71413561, 2017-07-20 (annotated)

Committer:
xuaner
Date:
Thu Jul 20 14:26:57 2017 +0000
Revision:
1:3deb71413561
Parent:
0:f269e3021894 
mbed_os

Who changed what in which revision?

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elessair 0:f269e3021894 1
elessair 0:f269e3021894 2 /** \addtogroup hal */
elessair 0:f269e3021894 3 /** @{*/
elessair 0:f269e3021894 4 /* mbed Microcontroller Library
elessair 0:f269e3021894 5 * Copyright (c) 2006-2013 ARM Limited
elessair 0:f269e3021894 6 *
elessair 0:f269e3021894 7 * Licensed under the Apache License, Version 2.0 (the "License");
elessair 0:f269e3021894 8 * you may not use this file except in compliance with the License.
elessair 0:f269e3021894 9 * You may obtain a copy of the License at
elessair 0:f269e3021894 10 *
elessair 0:f269e3021894 11 * http://www.apache.org/licenses/LICENSE-2.0
elessair 0:f269e3021894 12 *
elessair 0:f269e3021894 13 * Unless required by applicable law or agreed to in writing, software
elessair 0:f269e3021894 14 * distributed under the License is distributed on an "AS IS" BASIS,
elessair 0:f269e3021894 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
elessair 0:f269e3021894 16 * See the License for the specific language governing permissions and
elessair 0:f269e3021894 17 * limitations under the License.
elessair 0:f269e3021894 18 */
elessair 0:f269e3021894 19 #ifndef MBED_ANALOGIN_API_H
elessair 0:f269e3021894 20 #define MBED_ANALOGIN_API_H
elessair 0:f269e3021894 21
elessair 0:f269e3021894 22 #include "device.h"
elessair 0:f269e3021894 23
elessair 0:f269e3021894 24 #if DEVICE_ANALOGIN
elessair 0:f269e3021894 25
elessair 0:f269e3021894 26 #ifdef __cplusplus
elessair 0:f269e3021894 27 extern "C" {
elessair 0:f269e3021894 28 #endif
elessair 0:f269e3021894 29
elessair 0:f269e3021894 30 /** Analogin hal structure. analogin_s is declared in the target's hal
elessair 0:f269e3021894 31 */
elessair 0:f269e3021894 32 typedef struct analogin_s analogin_t;
elessair 0:f269e3021894 33
elessair 0:f269e3021894 34 /**
elessair 0:f269e3021894 35 * \defgroup hal_analogin Analogin hal functions
elessair 0:f269e3021894 36 * @{
elessair 0:f269e3021894 37 */
elessair 0:f269e3021894 38
elessair 0:f269e3021894 39 /** Initialize the analogin peripheral
elessair 0:f269e3021894 40 *
elessair 0:f269e3021894 41 * Configures the pin used by analogin.
elessair 0:f269e3021894 42 * @param obj The analogin object to initialize
elessair 0:f269e3021894 43 * @param pin The analogin pin name
elessair 0:f269e3021894 44 */
elessair 0:f269e3021894 45 void analogin_init(analogin_t *obj, PinName pin);
elessair 0:f269e3021894 46
elessair 0:f269e3021894 47
elessair 0:f269e3021894 48 /** Initialize the battery level peripheral
elessair 0:f269e3021894 49 * Configures internal bandgap to read battery level.
elessair 0:f269e3021894 50 * @param obj The analogin object to initialize
elessair 0:f269e3021894 51 */
elessair 0:f269e3021894 52 void battery_init(analogin_t *obj);
elessair 0:f269e3021894 53
elessair 0:f269e3021894 54 /** Read the value from battery, represented as an unsigned 16bit value
elessair 0:f269e3021894 55 *
elessair 0:f269e3021894 56 * @param obj The analogin object
elessair 0:f269e3021894 57 * @return An unsigned 16bit value representing the current input voltage
elessair 0:f269e3021894 58 */
elessair 0:f269e3021894 59 uint16_t battery_read_u16(analogin_t *obj);
elessair 0:f269e3021894 60
elessair 0:f269e3021894 61 /** Read the input voltage, represented as a float in the range [0.0, 1.0]
elessair 0:f269e3021894 62 *
elessair 0:f269e3021894 63 * @param obj The analogin object
elessair 0:f269e3021894 64 * @return A floating value representing the current input voltage
elessair 0:f269e3021894 65 */
elessair 0:f269e3021894 66
elessair 0:f269e3021894 67 float analogin_read(analogin_t *obj);
elessair 0:f269e3021894 68
elessair 0:f269e3021894 69 /** Read the value from analogin pin, represented as an unsigned 16bit value
elessair 0:f269e3021894 70 *
elessair 0:f269e3021894 71 * @param obj The analogin object
elessair 0:f269e3021894 72 * @return An unsigned 16bit value representing the current input voltage
elessair 0:f269e3021894 73 */
elessair 0:f269e3021894 74 uint16_t analogin_read_u16(analogin_t *obj);
elessair 0:f269e3021894 75
elessair 0:f269e3021894 76 /**@}*/
elessair 0:f269e3021894 77
elessair 0:f269e3021894 78 #ifdef __cplusplus
elessair 0:f269e3021894 79 }
elessair 0:f269e3021894 80 #endif
elessair 0:f269e3021894 81
elessair 0:f269e3021894 82 #endif
elessair 0:f269e3021894 83
elessair 0:f269e3021894 84 #endif
elessair 0:f269e3021894 85
elessair 0:f269e3021894 86 /** @}*/