Tried to initialize the buttons and slider but couldn't get it to work.

Dependencies:   mbed

Committer:
mturner5
Date:
Mon Sep 19 03:28:41 2016 +0000
Revision:
0:0d6b77c9ae01
basic v2;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mturner5 0:0d6b77c9ae01 1 /* mbed Microcontroller Library
mturner5 0:0d6b77c9ae01 2 * Copyright (c) 2006-2013 ARM Limited
mturner5 0:0d6b77c9ae01 3 *
mturner5 0:0d6b77c9ae01 4 * Licensed under the Apache License, Version 2.0 (the "License");
mturner5 0:0d6b77c9ae01 5 * you may not use this file except in compliance with the License.
mturner5 0:0d6b77c9ae01 6 * You may obtain a copy of the License at
mturner5 0:0d6b77c9ae01 7 *
mturner5 0:0d6b77c9ae01 8 * http://www.apache.org/licenses/LICENSE-2.0
mturner5 0:0d6b77c9ae01 9 *
mturner5 0:0d6b77c9ae01 10 * Unless required by applicable law or agreed to in writing, software
mturner5 0:0d6b77c9ae01 11 * distributed under the License is distributed on an "AS IS" BASIS,
mturner5 0:0d6b77c9ae01 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mturner5 0:0d6b77c9ae01 13 * See the License for the specific language governing permissions and
mturner5 0:0d6b77c9ae01 14 * limitations under the License.
mturner5 0:0d6b77c9ae01 15 */
mturner5 0:0d6b77c9ae01 16 #ifndef MBED_ANALOGIN_H
mturner5 0:0d6b77c9ae01 17 #define MBED_ANALOGIN_H
mturner5 0:0d6b77c9ae01 18
mturner5 0:0d6b77c9ae01 19 #include "platform.h"
mturner5 0:0d6b77c9ae01 20
mturner5 0:0d6b77c9ae01 21 #if DEVICE_ANALOGIN
mturner5 0:0d6b77c9ae01 22
mturner5 0:0d6b77c9ae01 23 #include "analogin_api.h"
mturner5 0:0d6b77c9ae01 24
mturner5 0:0d6b77c9ae01 25 namespace mbed {
mturner5 0:0d6b77c9ae01 26
mturner5 0:0d6b77c9ae01 27 /** An analog input, used for reading the voltage on a pin
mturner5 0:0d6b77c9ae01 28 *
mturner5 0:0d6b77c9ae01 29 * Example:
mturner5 0:0d6b77c9ae01 30 * @code
mturner5 0:0d6b77c9ae01 31 * // Print messages when the AnalogIn is greater than 50%
mturner5 0:0d6b77c9ae01 32 *
mturner5 0:0d6b77c9ae01 33 * #include "mbed.h"
mturner5 0:0d6b77c9ae01 34 *
mturner5 0:0d6b77c9ae01 35 * AnalogIn temperature(p20);
mturner5 0:0d6b77c9ae01 36 *
mturner5 0:0d6b77c9ae01 37 * int main() {
mturner5 0:0d6b77c9ae01 38 * while(1) {
mturner5 0:0d6b77c9ae01 39 * if(temperature > 0.5) {
mturner5 0:0d6b77c9ae01 40 * printf("Too hot! (%f)", temperature.read());
mturner5 0:0d6b77c9ae01 41 * }
mturner5 0:0d6b77c9ae01 42 * }
mturner5 0:0d6b77c9ae01 43 * }
mturner5 0:0d6b77c9ae01 44 * @endcode
mturner5 0:0d6b77c9ae01 45 */
mturner5 0:0d6b77c9ae01 46 class AnalogIn {
mturner5 0:0d6b77c9ae01 47
mturner5 0:0d6b77c9ae01 48 public:
mturner5 0:0d6b77c9ae01 49
mturner5 0:0d6b77c9ae01 50 /** Create an AnalogIn, connected to the specified pin
mturner5 0:0d6b77c9ae01 51 *
mturner5 0:0d6b77c9ae01 52 * @param pin AnalogIn pin to connect to
mturner5 0:0d6b77c9ae01 53 * @param name (optional) A string to identify the object
mturner5 0:0d6b77c9ae01 54 */
mturner5 0:0d6b77c9ae01 55 AnalogIn(PinName pin) {
mturner5 0:0d6b77c9ae01 56 analogin_init(&_adc, pin);
mturner5 0:0d6b77c9ae01 57 }
mturner5 0:0d6b77c9ae01 58
mturner5 0:0d6b77c9ae01 59 /** Read the input voltage, represented as a float in the range [0.0, 1.0]
mturner5 0:0d6b77c9ae01 60 *
mturner5 0:0d6b77c9ae01 61 * @returns A floating-point value representing the current input voltage, measured as a percentage
mturner5 0:0d6b77c9ae01 62 */
mturner5 0:0d6b77c9ae01 63 float read() {
mturner5 0:0d6b77c9ae01 64 return analogin_read(&_adc);
mturner5 0:0d6b77c9ae01 65 }
mturner5 0:0d6b77c9ae01 66
mturner5 0:0d6b77c9ae01 67 /** Read the input voltage, represented as an unsigned short in the range [0x0, 0xFFFF]
mturner5 0:0d6b77c9ae01 68 *
mturner5 0:0d6b77c9ae01 69 * @returns
mturner5 0:0d6b77c9ae01 70 * 16-bit unsigned short representing the current input voltage, normalised to a 16-bit value
mturner5 0:0d6b77c9ae01 71 */
mturner5 0:0d6b77c9ae01 72 unsigned short read_u16() {
mturner5 0:0d6b77c9ae01 73 return analogin_read_u16(&_adc);
mturner5 0:0d6b77c9ae01 74 }
mturner5 0:0d6b77c9ae01 75
mturner5 0:0d6b77c9ae01 76 #ifdef MBED_OPERATORS
mturner5 0:0d6b77c9ae01 77 /** An operator shorthand for read()
mturner5 0:0d6b77c9ae01 78 *
mturner5 0:0d6b77c9ae01 79 * The float() operator can be used as a shorthand for read() to simplify common code sequences
mturner5 0:0d6b77c9ae01 80 *
mturner5 0:0d6b77c9ae01 81 * Example:
mturner5 0:0d6b77c9ae01 82 * @code
mturner5 0:0d6b77c9ae01 83 * float x = volume.read();
mturner5 0:0d6b77c9ae01 84 * float x = volume;
mturner5 0:0d6b77c9ae01 85 *
mturner5 0:0d6b77c9ae01 86 * if(volume.read() > 0.25) { ... }
mturner5 0:0d6b77c9ae01 87 * if(volume > 0.25) { ... }
mturner5 0:0d6b77c9ae01 88 * @endcode
mturner5 0:0d6b77c9ae01 89 */
mturner5 0:0d6b77c9ae01 90 operator float() {
mturner5 0:0d6b77c9ae01 91 return read();
mturner5 0:0d6b77c9ae01 92 }
mturner5 0:0d6b77c9ae01 93 #endif
mturner5 0:0d6b77c9ae01 94
mturner5 0:0d6b77c9ae01 95 protected:
mturner5 0:0d6b77c9ae01 96 analogin_t _adc;
mturner5 0:0d6b77c9ae01 97 };
mturner5 0:0d6b77c9ae01 98
mturner5 0:0d6b77c9ae01 99 } // namespace mbed
mturner5 0:0d6b77c9ae01 100
mturner5 0:0d6b77c9ae01 101 #endif
mturner5 0:0d6b77c9ae01 102
mturner5 0:0d6b77c9ae01 103 #endif