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/DigitalIn.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_DIGITALIN_H
hayama 0:da22b0b4395a 17 #define MBED_DIGITALIN_H
hayama 0:da22b0b4395a 18
hayama 0:da22b0b4395a 19 #include "platform.h"
hayama 0:da22b0b4395a 20
hayama 0:da22b0b4395a 21 #include "gpio_api.h"
hayama 0:da22b0b4395a 22
hayama 0:da22b0b4395a 23 namespace mbed {
hayama 0:da22b0b4395a 24
hayama 0:da22b0b4395a 25 /** A digital input, used for reading the state of a pin
hayama 0:da22b0b4395a 26 *
hayama 0:da22b0b4395a 27 * Example:
hayama 0:da22b0b4395a 28 * @code
hayama 0:da22b0b4395a 29 * // Flash an LED while a DigitalIn is true
hayama 0:da22b0b4395a 30 *
hayama 0:da22b0b4395a 31 * #include "mbed.h"
hayama 0:da22b0b4395a 32 *
hayama 0:da22b0b4395a 33 * DigitalIn enable(p5);
hayama 0:da22b0b4395a 34 * DigitalOut led(LED1);
hayama 0:da22b0b4395a 35 *
hayama 0:da22b0b4395a 36 * int main() {
hayama 0:da22b0b4395a 37 * while(1) {
hayama 0:da22b0b4395a 38 * if(enable) {
hayama 0:da22b0b4395a 39 * led = !led;
hayama 0:da22b0b4395a 40 * }
hayama 0:da22b0b4395a 41 * wait(0.25);
hayama 0:da22b0b4395a 42 * }
hayama 0:da22b0b4395a 43 * }
hayama 0:da22b0b4395a 44 * @endcode
hayama 0:da22b0b4395a 45 */
hayama 0:da22b0b4395a 46 class DigitalIn {
hayama 0:da22b0b4395a 47
hayama 0:da22b0b4395a 48 public:
hayama 0:da22b0b4395a 49 /** Create a DigitalIn connected to the specified pin
hayama 0:da22b0b4395a 50 *
hayama 0:da22b0b4395a 51 * @param pin DigitalIn pin to connect to
hayama 0:da22b0b4395a 52 * @param name (optional) A string to identify the object
hayama 0:da22b0b4395a 53 */
hayama 0:da22b0b4395a 54 DigitalIn(PinName pin) {
hayama 0:da22b0b4395a 55 gpio_init(&gpio, pin, PIN_INPUT);
hayama 0:da22b0b4395a 56 }
hayama 0:da22b0b4395a 57
hayama 0:da22b0b4395a 58 /** Read the input, represented as 0 or 1 (int)
hayama 0:da22b0b4395a 59 *
hayama 0:da22b0b4395a 60 * @returns
hayama 0:da22b0b4395a 61 * An integer representing the state of the input pin,
hayama 0:da22b0b4395a 62 * 0 for logical 0, 1 for logical 1
hayama 0:da22b0b4395a 63 */
hayama 0:da22b0b4395a 64 int read() {
hayama 0:da22b0b4395a 65 return gpio_read(&gpio);
hayama 0:da22b0b4395a 66 }
hayama 0:da22b0b4395a 67
hayama 0:da22b0b4395a 68 /** Set the input pin mode
hayama 0:da22b0b4395a 69 *
hayama 0:da22b0b4395a 70 * @param mode PullUp, PullDown, PullNone, OpenDrain
hayama 0:da22b0b4395a 71 */
hayama 0:da22b0b4395a 72 void mode(PinMode pull) {
hayama 0:da22b0b4395a 73 gpio_mode(&gpio, pull);
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 operator int() {
hayama 0:da22b0b4395a 80 return read();
hayama 0:da22b0b4395a 81 }
hayama 0:da22b0b4395a 82 #endif
hayama 0:da22b0b4395a 83
hayama 0:da22b0b4395a 84 protected:
hayama 0:da22b0b4395a 85 gpio_t gpio;
hayama 0:da22b0b4395a 86 };
hayama 0:da22b0b4395a 87
hayama 0:da22b0b4395a 88 } // namespace mbed
hayama 0:da22b0b4395a 89
hayama 0:da22b0b4395a 90 #endif