Hideharu Tsunemoto / Mbed 2 deprecated SmallDoseMeter_Single_AE_LPC11U35

LPC11U35 ADC Tick & USBSerial

Dependencies:   mbed

Dependents:   SmallDoseMeter_SingleCH_AE_lpc11u35_V1_00

mbed/AnalogIn.h@1:b1a3be5f48ab, 2018-02-19 (annotated)

Committer:
H_Tsunemoto
Date:
Mon Feb 19 09:09:52 2018 +0000
Revision:
1:b1a3be5f48ab
Parent:
0:871ab6846b18 
test

Who changed what in which revision?

UserRevisionLine numberNew contents of line
H_Tsunemoto 0:871ab6846b18 1 /* mbed Microcontroller Library
H_Tsunemoto 0:871ab6846b18 2 * Copyright (c) 2006-2013 ARM Limited
H_Tsunemoto 0:871ab6846b18 3 *
H_Tsunemoto 0:871ab6846b18 4 * Licensed under the Apache License, Version 2.0 (the "License");
H_Tsunemoto 0:871ab6846b18 5 * you may not use this file except in compliance with the License.
H_Tsunemoto 0:871ab6846b18 6 * You may obtain a copy of the License at
H_Tsunemoto 0:871ab6846b18 7 *
H_Tsunemoto 0:871ab6846b18 8 * http://www.apache.org/licenses/LICENSE-2.0
H_Tsunemoto 0:871ab6846b18 9 *
H_Tsunemoto 0:871ab6846b18 10 * Unless required by applicable law or agreed to in writing, software
H_Tsunemoto 0:871ab6846b18 11 * distributed under the License is distributed on an "AS IS" BASIS,
H_Tsunemoto 0:871ab6846b18 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
H_Tsunemoto 0:871ab6846b18 13 * See the License for the specific language governing permissions and
H_Tsunemoto 0:871ab6846b18 14 * limitations under the License.
H_Tsunemoto 0:871ab6846b18 15 */
H_Tsunemoto 0:871ab6846b18 16 #ifndef MBED_ANALOGIN_H
H_Tsunemoto 0:871ab6846b18 17 #define MBED_ANALOGIN_H
H_Tsunemoto 0:871ab6846b18 18
H_Tsunemoto 0:871ab6846b18 19 #include "platform.h"
H_Tsunemoto 0:871ab6846b18 20
H_Tsunemoto 0:871ab6846b18 21 #if DEVICE_ANALOGIN
H_Tsunemoto 0:871ab6846b18 22
H_Tsunemoto 0:871ab6846b18 23 #include "analogin_api.h"
H_Tsunemoto 0:871ab6846b18 24
H_Tsunemoto 0:871ab6846b18 25 namespace mbed {
H_Tsunemoto 0:871ab6846b18 26
H_Tsunemoto 0:871ab6846b18 27 /** An analog input, used for reading the voltage on a pin
H_Tsunemoto 0:871ab6846b18 28 *
H_Tsunemoto 0:871ab6846b18 29 * Example:
H_Tsunemoto 0:871ab6846b18 30 * @code
H_Tsunemoto 0:871ab6846b18 31 * // Print messages when the AnalogIn is greater than 50%
H_Tsunemoto 0:871ab6846b18 32 *
H_Tsunemoto 0:871ab6846b18 33 * #include "mbed.h"
H_Tsunemoto 0:871ab6846b18 34 *
H_Tsunemoto 0:871ab6846b18 35 * AnalogIn temperature(p20);
H_Tsunemoto 0:871ab6846b18 36 *
H_Tsunemoto 0:871ab6846b18 37 * int main() {
H_Tsunemoto 0:871ab6846b18 38 * while(1) {
H_Tsunemoto 0:871ab6846b18 39 * if(temperature > 0.5) {
H_Tsunemoto 0:871ab6846b18 40 * printf("Too hot! (%f)", temperature.read());
H_Tsunemoto 0:871ab6846b18 41 * }
H_Tsunemoto 0:871ab6846b18 42 * }
H_Tsunemoto 0:871ab6846b18 43 * }
H_Tsunemoto 0:871ab6846b18 44 * @endcode
H_Tsunemoto 0:871ab6846b18 45 */
H_Tsunemoto 0:871ab6846b18 46 class AnalogIn {
H_Tsunemoto 0:871ab6846b18 47
H_Tsunemoto 0:871ab6846b18 48 public:
H_Tsunemoto 0:871ab6846b18 49
H_Tsunemoto 0:871ab6846b18 50 /** Create an AnalogIn, connected to the specified pin
H_Tsunemoto 0:871ab6846b18 51 *
H_Tsunemoto 0:871ab6846b18 52 * @param pin AnalogIn pin to connect to
H_Tsunemoto 0:871ab6846b18 53 * @param name (optional) A string to identify the object
H_Tsunemoto 0:871ab6846b18 54 */
H_Tsunemoto 0:871ab6846b18 55 AnalogIn(PinName pin) {
H_Tsunemoto 0:871ab6846b18 56 analogin_init(&_adc, pin);
H_Tsunemoto 0:871ab6846b18 57 }
H_Tsunemoto 0:871ab6846b18 58
H_Tsunemoto 0:871ab6846b18 59 /** Read the input voltage, represented as a float in the range [0.0, 1.0]
H_Tsunemoto 0:871ab6846b18 60 *
H_Tsunemoto 0:871ab6846b18 61 * @returns A floating-point value representing the current input voltage, measured as a percentage
H_Tsunemoto 0:871ab6846b18 62 */
H_Tsunemoto 0:871ab6846b18 63 float read() {
H_Tsunemoto 0:871ab6846b18 64 return analogin_read(&_adc);
H_Tsunemoto 0:871ab6846b18 65 }
H_Tsunemoto 0:871ab6846b18 66
H_Tsunemoto 0:871ab6846b18 67 /** Read the input voltage, represented as an unsigned short in the range [0x0, 0xFFFF]
H_Tsunemoto 0:871ab6846b18 68 *
H_Tsunemoto 0:871ab6846b18 69 * @returns
H_Tsunemoto 0:871ab6846b18 70 * 16-bit unsigned short representing the current input voltage, normalised to a 16-bit value
H_Tsunemoto 0:871ab6846b18 71 */
H_Tsunemoto 0:871ab6846b18 72 unsigned short read_u16() {
H_Tsunemoto 0:871ab6846b18 73 return analogin_read_u16(&_adc);
H_Tsunemoto 0:871ab6846b18 74 }
H_Tsunemoto 0:871ab6846b18 75
H_Tsunemoto 0:871ab6846b18 76 #ifdef MBED_OPERATORS
H_Tsunemoto 0:871ab6846b18 77 /** An operator shorthand for read()
H_Tsunemoto 0:871ab6846b18 78 *
H_Tsunemoto 0:871ab6846b18 79 * The float() operator can be used as a shorthand for read() to simplify common code sequences
H_Tsunemoto 0:871ab6846b18 80 *
H_Tsunemoto 0:871ab6846b18 81 * Example:
H_Tsunemoto 0:871ab6846b18 82 * @code
H_Tsunemoto 0:871ab6846b18 83 * float x = volume.read();
H_Tsunemoto 0:871ab6846b18 84 * float x = volume;
H_Tsunemoto 0:871ab6846b18 85 *
H_Tsunemoto 0:871ab6846b18 86 * if(volume.read() > 0.25) { ... }
H_Tsunemoto 0:871ab6846b18 87 * if(volume > 0.25) { ... }
H_Tsunemoto 0:871ab6846b18 88 * @endcode
H_Tsunemoto 0:871ab6846b18 89 */
H_Tsunemoto 0:871ab6846b18 90 operator float() {
H_Tsunemoto 0:871ab6846b18 91 return read();
H_Tsunemoto 0:871ab6846b18 92 }
H_Tsunemoto 0:871ab6846b18 93 #endif
H_Tsunemoto 0:871ab6846b18 94
H_Tsunemoto 0:871ab6846b18 95 protected:
H_Tsunemoto 0:871ab6846b18 96 analogin_t _adc;
H_Tsunemoto 0:871ab6846b18 97 };
H_Tsunemoto 0:871ab6846b18 98
H_Tsunemoto 0:871ab6846b18 99 } // namespace mbed
H_Tsunemoto 0:871ab6846b18 100
H_Tsunemoto 0:871ab6846b18 101 #endif
H_Tsunemoto 0:871ab6846b18 102
H_Tsunemoto 0:871ab6846b18 103 #endif