MacroRat / MouseCode

Mouse code for the MacroRat

Dependencies:   ITG3200 QEI

mbed-dev/drivers/AnalogIn.h@46:b156ef445742, 2017-06-03 (annotated)

Committer:
sahilmgandhi
Date:
Sat Jun 03 00:22:44 2017 +0000
Revision:
46:b156ef445742
Parent:
18:6a4db94011d3 
Final code for internal battlebot competition.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sahilmgandhi 18:6a4db94011d3 1 /* mbed Microcontroller Library
sahilmgandhi 18:6a4db94011d3 2 * Copyright (c) 2006-2013 ARM Limited
sahilmgandhi 18:6a4db94011d3 3 *
sahilmgandhi 18:6a4db94011d3 4 * Licensed under the Apache License, Version 2.0 (the "License");
sahilmgandhi 18:6a4db94011d3 5 * you may not use this file except in compliance with the License.
sahilmgandhi 18:6a4db94011d3 6 * You may obtain a copy of the License at
sahilmgandhi 18:6a4db94011d3 7 *
sahilmgandhi 18:6a4db94011d3 8 * http://www.apache.org/licenses/LICENSE-2.0
sahilmgandhi 18:6a4db94011d3 9 *
sahilmgandhi 18:6a4db94011d3 10 * Unless required by applicable law or agreed to in writing, software
sahilmgandhi 18:6a4db94011d3 11 * distributed under the License is distributed on an "AS IS" BASIS,
sahilmgandhi 18:6a4db94011d3 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
sahilmgandhi 18:6a4db94011d3 13 * See the License for the specific language governing permissions and
sahilmgandhi 18:6a4db94011d3 14 * limitations under the License.
sahilmgandhi 18:6a4db94011d3 15 */
sahilmgandhi 18:6a4db94011d3 16 #ifndef MBED_ANALOGIN_H
sahilmgandhi 18:6a4db94011d3 17 #define MBED_ANALOGIN_H
sahilmgandhi 18:6a4db94011d3 18
sahilmgandhi 18:6a4db94011d3 19 #include "platform/platform.h"
sahilmgandhi 18:6a4db94011d3 20
sahilmgandhi 18:6a4db94011d3 21 #if DEVICE_ANALOGIN
sahilmgandhi 18:6a4db94011d3 22
sahilmgandhi 18:6a4db94011d3 23 #include "hal/analogin_api.h"
sahilmgandhi 18:6a4db94011d3 24 #include "platform/SingletonPtr.h"
sahilmgandhi 18:6a4db94011d3 25 #include "platform/PlatformMutex.h"
sahilmgandhi 18:6a4db94011d3 26
sahilmgandhi 18:6a4db94011d3 27 namespace mbed {
sahilmgandhi 18:6a4db94011d3 28 /** \addtogroup drivers */
sahilmgandhi 18:6a4db94011d3 29 /** @{*/
sahilmgandhi 18:6a4db94011d3 30
sahilmgandhi 18:6a4db94011d3 31 /** An analog input, used for reading the voltage on a pin
sahilmgandhi 18:6a4db94011d3 32 *
sahilmgandhi 18:6a4db94011d3 33 * @Note Synchronization level: Thread safe
sahilmgandhi 18:6a4db94011d3 34 *
sahilmgandhi 18:6a4db94011d3 35 * Example:
sahilmgandhi 18:6a4db94011d3 36 * @code
sahilmgandhi 18:6a4db94011d3 37 * // Print messages when the AnalogIn is greater than 50%
sahilmgandhi 18:6a4db94011d3 38 *
sahilmgandhi 18:6a4db94011d3 39 * #include "mbed.h"
sahilmgandhi 18:6a4db94011d3 40 *
sahilmgandhi 18:6a4db94011d3 41 * AnalogIn temperature(p20);
sahilmgandhi 18:6a4db94011d3 42 *
sahilmgandhi 18:6a4db94011d3 43 * int main() {
sahilmgandhi 18:6a4db94011d3 44 * while(1) {
sahilmgandhi 18:6a4db94011d3 45 * if(temperature > 0.5) {
sahilmgandhi 18:6a4db94011d3 46 * printf("Too hot! (%f)", temperature.read());
sahilmgandhi 18:6a4db94011d3 47 * }
sahilmgandhi 18:6a4db94011d3 48 * }
sahilmgandhi 18:6a4db94011d3 49 * }
sahilmgandhi 18:6a4db94011d3 50 * @endcode
sahilmgandhi 18:6a4db94011d3 51 */
sahilmgandhi 18:6a4db94011d3 52 class AnalogIn {
sahilmgandhi 18:6a4db94011d3 53
sahilmgandhi 18:6a4db94011d3 54 public:
sahilmgandhi 18:6a4db94011d3 55
sahilmgandhi 18:6a4db94011d3 56 /** Create an AnalogIn, connected to the specified pin
sahilmgandhi 18:6a4db94011d3 57 *
sahilmgandhi 18:6a4db94011d3 58 * @param pin AnalogIn pin to connect to
sahilmgandhi 18:6a4db94011d3 59 * @param name (optional) A string to identify the object
sahilmgandhi 18:6a4db94011d3 60 */
sahilmgandhi 18:6a4db94011d3 61 AnalogIn(PinName pin) {
sahilmgandhi 18:6a4db94011d3 62 lock();
sahilmgandhi 18:6a4db94011d3 63 analogin_init(&_adc, pin);
sahilmgandhi 18:6a4db94011d3 64 unlock();
sahilmgandhi 18:6a4db94011d3 65 }
sahilmgandhi 18:6a4db94011d3 66
sahilmgandhi 18:6a4db94011d3 67 /** Read the input voltage, represented as a float in the range [0.0, 1.0]
sahilmgandhi 18:6a4db94011d3 68 *
sahilmgandhi 18:6a4db94011d3 69 * @returns A floating-point value representing the current input voltage, measured as a percentage
sahilmgandhi 18:6a4db94011d3 70 */
sahilmgandhi 18:6a4db94011d3 71 float read() {
sahilmgandhi 18:6a4db94011d3 72 lock();
sahilmgandhi 18:6a4db94011d3 73 float ret = analogin_read(&_adc);
sahilmgandhi 18:6a4db94011d3 74 unlock();
sahilmgandhi 18:6a4db94011d3 75 return ret;
sahilmgandhi 18:6a4db94011d3 76 }
sahilmgandhi 18:6a4db94011d3 77
sahilmgandhi 18:6a4db94011d3 78 /** Read the input voltage, represented as an unsigned short in the range [0x0, 0xFFFF]
sahilmgandhi 18:6a4db94011d3 79 *
sahilmgandhi 18:6a4db94011d3 80 * @returns
sahilmgandhi 18:6a4db94011d3 81 * 16-bit unsigned short representing the current input voltage, normalised to a 16-bit value
sahilmgandhi 18:6a4db94011d3 82 */
sahilmgandhi 18:6a4db94011d3 83 unsigned short read_u16() {
sahilmgandhi 18:6a4db94011d3 84 lock();
sahilmgandhi 18:6a4db94011d3 85 unsigned short ret = analogin_read_u16(&_adc);
sahilmgandhi 18:6a4db94011d3 86 unlock();
sahilmgandhi 18:6a4db94011d3 87 return ret;
sahilmgandhi 18:6a4db94011d3 88 }
sahilmgandhi 18:6a4db94011d3 89
sahilmgandhi 18:6a4db94011d3 90 /** An operator shorthand for read()
sahilmgandhi 18:6a4db94011d3 91 *
sahilmgandhi 18:6a4db94011d3 92 * The float() operator can be used as a shorthand for read() to simplify common code sequences
sahilmgandhi 18:6a4db94011d3 93 *
sahilmgandhi 18:6a4db94011d3 94 * Example:
sahilmgandhi 18:6a4db94011d3 95 * @code
sahilmgandhi 18:6a4db94011d3 96 * float x = volume.read();
sahilmgandhi 18:6a4db94011d3 97 * float x = volume;
sahilmgandhi 18:6a4db94011d3 98 *
sahilmgandhi 18:6a4db94011d3 99 * if(volume.read() > 0.25) { ... }
sahilmgandhi 18:6a4db94011d3 100 * if(volume > 0.25) { ... }
sahilmgandhi 18:6a4db94011d3 101 * @endcode
sahilmgandhi 18:6a4db94011d3 102 */
sahilmgandhi 18:6a4db94011d3 103 operator float() {
sahilmgandhi 18:6a4db94011d3 104 // Underlying call is thread safe
sahilmgandhi 18:6a4db94011d3 105 return read();
sahilmgandhi 18:6a4db94011d3 106 }
sahilmgandhi 18:6a4db94011d3 107
sahilmgandhi 18:6a4db94011d3 108 virtual ~AnalogIn() {
sahilmgandhi 18:6a4db94011d3 109 // Do nothing
sahilmgandhi 18:6a4db94011d3 110 }
sahilmgandhi 18:6a4db94011d3 111
sahilmgandhi 18:6a4db94011d3 112 protected:
sahilmgandhi 18:6a4db94011d3 113
sahilmgandhi 18:6a4db94011d3 114 virtual void lock() {
sahilmgandhi 18:6a4db94011d3 115 _mutex->lock();
sahilmgandhi 18:6a4db94011d3 116 }
sahilmgandhi 18:6a4db94011d3 117
sahilmgandhi 18:6a4db94011d3 118 virtual void unlock() {
sahilmgandhi 18:6a4db94011d3 119 _mutex->unlock();
sahilmgandhi 18:6a4db94011d3 120 }
sahilmgandhi 18:6a4db94011d3 121
sahilmgandhi 18:6a4db94011d3 122 analogin_t _adc;
sahilmgandhi 18:6a4db94011d3 123 static SingletonPtr<PlatformMutex> _mutex;
sahilmgandhi 18:6a4db94011d3 124 };
sahilmgandhi 18:6a4db94011d3 125
sahilmgandhi 18:6a4db94011d3 126 } // namespace mbed
sahilmgandhi 18:6a4db94011d3 127
sahilmgandhi 18:6a4db94011d3 128 #endif
sahilmgandhi 18:6a4db94011d3 129
sahilmgandhi 18:6a4db94011d3 130 #endif
sahilmgandhi 18:6a4db94011d3 131
sahilmgandhi 18:6a4db94011d3 132 /** @}*/