Kiyoteru Hayama / mbedRobotracer_Edu

mbed robotracer for education.

Robotracer (line follower robot ) using stepper motor.

/media/uploads/hayama/cimg8463.jpg

/media/uploads/hayama/mbedrobotracer-manual-english.pdf

/media/uploads/hayama/mbedrobotracer-manual-japanese.pdf

/media/uploads/hayama/eagle-design-robotracer.zip

movie -> https://www.youtube.com/watch?v=INwun8gSds4

(for competition->) https://www.youtube.com/watch?v=l_gP2pUt4w0

mbed/AnalogIn.h@1:200aad416161, 2013-10-02 (annotated)

Committer:
hayama
Date:
Wed Oct 02 01:09:55 2013 +0000
Revision:
1:200aad416161
Parent:
0:da22b0b4395a 
mbed robotracer for education.

;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
hayama 0:da22b0b4395a 1 /* mbed Microcontroller Library
hayama 0:da22b0b4395a 2 * Copyright (c) 2006-2013 ARM Limited
hayama 0:da22b0b4395a 3 *
hayama 0:da22b0b4395a 4 * Licensed under the Apache License, Version 2.0 (the "License");
hayama 0:da22b0b4395a 5 * you may not use this file except in compliance with the License.
hayama 0:da22b0b4395a 6 * You may obtain a copy of the License at
hayama 0:da22b0b4395a 7 *
hayama 0:da22b0b4395a 8 * http://www.apache.org/licenses/LICENSE-2.0
hayama 0:da22b0b4395a 9 *
hayama 0:da22b0b4395a 10 * Unless required by applicable law or agreed to in writing, software
hayama 0:da22b0b4395a 11 * distributed under the License is distributed on an "AS IS" BASIS,
hayama 0:da22b0b4395a 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
hayama 0:da22b0b4395a 13 * See the License for the specific language governing permissions and
hayama 0:da22b0b4395a 14 * limitations under the License.
hayama 0:da22b0b4395a 15 */
hayama 0:da22b0b4395a 16 #ifndef MBED_ANALOGIN_H
hayama 0:da22b0b4395a 17 #define MBED_ANALOGIN_H
hayama 0:da22b0b4395a 18
hayama 0:da22b0b4395a 19 #include "platform.h"
hayama 0:da22b0b4395a 20
hayama 0:da22b0b4395a 21 #if DEVICE_ANALOGIN
hayama 0:da22b0b4395a 22
hayama 0:da22b0b4395a 23 #include "analogin_api.h"
hayama 0:da22b0b4395a 24
hayama 0:da22b0b4395a 25 namespace mbed {
hayama 0:da22b0b4395a 26
hayama 0:da22b0b4395a 27 /** An analog input, used for reading the voltage on a pin
hayama 0:da22b0b4395a 28 *
hayama 0:da22b0b4395a 29 * Example:
hayama 0:da22b0b4395a 30 * @code
hayama 0:da22b0b4395a 31 * // Print messages when the AnalogIn is greater than 50%
hayama 0:da22b0b4395a 32 *
hayama 0:da22b0b4395a 33 * #include "mbed.h"
hayama 0:da22b0b4395a 34 *
hayama 0:da22b0b4395a 35 * AnalogIn temperature(p20);
hayama 0:da22b0b4395a 36 *
hayama 0:da22b0b4395a 37 * int main() {
hayama 0:da22b0b4395a 38 * while(1) {
hayama 0:da22b0b4395a 39 * if(temperature > 0.5) {
hayama 0:da22b0b4395a 40 * printf("Too hot! (%f)", temperature.read());
hayama 0:da22b0b4395a 41 * }
hayama 0:da22b0b4395a 42 * }
hayama 0:da22b0b4395a 43 * }
hayama 0:da22b0b4395a 44 * @endcode
hayama 0:da22b0b4395a 45 */
hayama 0:da22b0b4395a 46 class AnalogIn {
hayama 0:da22b0b4395a 47
hayama 0:da22b0b4395a 48 public:
hayama 0:da22b0b4395a 49
hayama 0:da22b0b4395a 50 /** Create an AnalogIn, connected to the specified pin
hayama 0:da22b0b4395a 51 *
hayama 0:da22b0b4395a 52 * @param pin AnalogIn pin to connect to
hayama 0:da22b0b4395a 53 * @param name (optional) A string to identify the object
hayama 0:da22b0b4395a 54 */
hayama 0:da22b0b4395a 55 AnalogIn(PinName pin) {
hayama 0:da22b0b4395a 56 analogin_init(&_adc, pin);
hayama 0:da22b0b4395a 57 }
hayama 0:da22b0b4395a 58
hayama 0:da22b0b4395a 59 /** Read the input voltage, represented as a float in the range [0.0, 1.0]
hayama 0:da22b0b4395a 60 *
hayama 0:da22b0b4395a 61 * @returns A floating-point value representing the current input voltage, measured as a percentage
hayama 0:da22b0b4395a 62 */
hayama 0:da22b0b4395a 63 float read() {
hayama 0:da22b0b4395a 64 return analogin_read(&_adc);
hayama 0:da22b0b4395a 65 }
hayama 0:da22b0b4395a 66
hayama 0:da22b0b4395a 67 /** Read the input voltage, represented as an unsigned short in the range [0x0, 0xFFFF]
hayama 0:da22b0b4395a 68 *
hayama 0:da22b0b4395a 69 * @returns
hayama 0:da22b0b4395a 70 * 16-bit unsigned short representing the current input voltage, normalised to a 16-bit value
hayama 0:da22b0b4395a 71 */
hayama 0:da22b0b4395a 72 unsigned short read_u16() {
hayama 0:da22b0b4395a 73 return analogin_read_u16(&_adc);
hayama 0:da22b0b4395a 74 }
hayama 0:da22b0b4395a 75
hayama 0:da22b0b4395a 76 #ifdef MBED_OPERATORS
hayama 0:da22b0b4395a 77 /** An operator shorthand for read()
hayama 0:da22b0b4395a 78 *
hayama 0:da22b0b4395a 79 * The float() operator can be used as a shorthand for read() to simplify common code sequences
hayama 0:da22b0b4395a 80 *
hayama 0:da22b0b4395a 81 * Example:
hayama 0:da22b0b4395a 82 * @code
hayama 0:da22b0b4395a 83 * float x = volume.read();
hayama 0:da22b0b4395a 84 * float x = volume;
hayama 0:da22b0b4395a 85 *
hayama 0:da22b0b4395a 86 * if(volume.read() > 0.25) { ... }
hayama 0:da22b0b4395a 87 * if(volume > 0.25) { ... }
hayama 0:da22b0b4395a 88 * @endcode
hayama 0:da22b0b4395a 89 */
hayama 0:da22b0b4395a 90 operator float() {
hayama 0:da22b0b4395a 91 return read();
hayama 0:da22b0b4395a 92 }
hayama 0:da22b0b4395a 93 #endif
hayama 0:da22b0b4395a 94
hayama 0:da22b0b4395a 95 protected:
hayama 0:da22b0b4395a 96 analogin_t _adc;
hayama 0:da22b0b4395a 97 };
hayama 0:da22b0b4395a 98
hayama 0:da22b0b4395a 99 } // namespace mbed
hayama 0:da22b0b4395a 100
hayama 0:da22b0b4395a 101 #endif
hayama 0:da22b0b4395a 102
hayama 0:da22b0b4395a 103 #endif