MacroRat / MouseCode

Mouse code for the MacroRat

Dependencies:   ITG3200 QEI

mbed-dev/drivers/PortIn.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_PORTIN_H
sahilmgandhi 18:6a4db94011d3 17 #define MBED_PORTIN_H
sahilmgandhi 18:6a4db94011d3 18
sahilmgandhi 18:6a4db94011d3 19 #include "platform/platform.h"
sahilmgandhi 18:6a4db94011d3 20
sahilmgandhi 18:6a4db94011d3 21 #if DEVICE_PORTIN
sahilmgandhi 18:6a4db94011d3 22
sahilmgandhi 18:6a4db94011d3 23 #include "hal/port_api.h"
sahilmgandhi 18:6a4db94011d3 24 #include "platform/mbed_critical.h"
sahilmgandhi 18:6a4db94011d3 25
sahilmgandhi 18:6a4db94011d3 26 namespace mbed {
sahilmgandhi 18:6a4db94011d3 27 /** \addtogroup drivers */
sahilmgandhi 18:6a4db94011d3 28 /** @{*/
sahilmgandhi 18:6a4db94011d3 29
sahilmgandhi 18:6a4db94011d3 30 /** A multiple pin digital input
sahilmgandhi 18:6a4db94011d3 31 *
sahilmgandhi 18:6a4db94011d3 32 * @Note Synchronization level: Interrupt safe
sahilmgandhi 18:6a4db94011d3 33 *
sahilmgandhi 18:6a4db94011d3 34 * Example:
sahilmgandhi 18:6a4db94011d3 35 * @code
sahilmgandhi 18:6a4db94011d3 36 * // Switch on an LED if any of mbed pins 21-26 is high
sahilmgandhi 18:6a4db94011d3 37 *
sahilmgandhi 18:6a4db94011d3 38 * #include "mbed.h"
sahilmgandhi 18:6a4db94011d3 39 *
sahilmgandhi 18:6a4db94011d3 40 * PortIn p(Port2, 0x0000003F); // p21-p26
sahilmgandhi 18:6a4db94011d3 41 * DigitalOut ind(LED4);
sahilmgandhi 18:6a4db94011d3 42 *
sahilmgandhi 18:6a4db94011d3 43 * int main() {
sahilmgandhi 18:6a4db94011d3 44 * while(1) {
sahilmgandhi 18:6a4db94011d3 45 * int pins = p.read();
sahilmgandhi 18:6a4db94011d3 46 * if(pins) {
sahilmgandhi 18:6a4db94011d3 47 * ind = 1;
sahilmgandhi 18:6a4db94011d3 48 * } else {
sahilmgandhi 18:6a4db94011d3 49 * ind = 0;
sahilmgandhi 18:6a4db94011d3 50 * }
sahilmgandhi 18:6a4db94011d3 51 * }
sahilmgandhi 18:6a4db94011d3 52 * }
sahilmgandhi 18:6a4db94011d3 53 * @endcode
sahilmgandhi 18:6a4db94011d3 54 */
sahilmgandhi 18:6a4db94011d3 55 class PortIn {
sahilmgandhi 18:6a4db94011d3 56 public:
sahilmgandhi 18:6a4db94011d3 57
sahilmgandhi 18:6a4db94011d3 58 /** Create an PortIn, connected to the specified port
sahilmgandhi 18:6a4db94011d3 59 *
sahilmgandhi 18:6a4db94011d3 60 * @param port Port to connect to (Port0-Port5)
sahilmgandhi 18:6a4db94011d3 61 * @param mask A bitmask to identify which bits in the port should be included (0 - ignore)
sahilmgandhi 18:6a4db94011d3 62 */
sahilmgandhi 18:6a4db94011d3 63 PortIn(PortName port, int mask = 0xFFFFFFFF) {
sahilmgandhi 18:6a4db94011d3 64 core_util_critical_section_enter();
sahilmgandhi 18:6a4db94011d3 65 port_init(&_port, port, mask, PIN_INPUT);
sahilmgandhi 18:6a4db94011d3 66 core_util_critical_section_exit();
sahilmgandhi 18:6a4db94011d3 67 }
sahilmgandhi 18:6a4db94011d3 68
sahilmgandhi 18:6a4db94011d3 69 /** Read the value currently output on the port
sahilmgandhi 18:6a4db94011d3 70 *
sahilmgandhi 18:6a4db94011d3 71 * @returns
sahilmgandhi 18:6a4db94011d3 72 * An integer with each bit corresponding to associated port pin setting
sahilmgandhi 18:6a4db94011d3 73 */
sahilmgandhi 18:6a4db94011d3 74 int read() {
sahilmgandhi 18:6a4db94011d3 75 return port_read(&_port);
sahilmgandhi 18:6a4db94011d3 76 }
sahilmgandhi 18:6a4db94011d3 77
sahilmgandhi 18:6a4db94011d3 78 /** Set the input pin mode
sahilmgandhi 18:6a4db94011d3 79 *
sahilmgandhi 18:6a4db94011d3 80 * @param mode PullUp, PullDown, PullNone, OpenDrain
sahilmgandhi 18:6a4db94011d3 81 */
sahilmgandhi 18:6a4db94011d3 82 void mode(PinMode mode) {
sahilmgandhi 18:6a4db94011d3 83 core_util_critical_section_enter();
sahilmgandhi 18:6a4db94011d3 84 port_mode(&_port, mode);
sahilmgandhi 18:6a4db94011d3 85 core_util_critical_section_exit();
sahilmgandhi 18:6a4db94011d3 86 }
sahilmgandhi 18:6a4db94011d3 87
sahilmgandhi 18:6a4db94011d3 88 /** A shorthand for read()
sahilmgandhi 18:6a4db94011d3 89 */
sahilmgandhi 18:6a4db94011d3 90 operator int() {
sahilmgandhi 18:6a4db94011d3 91 return read();
sahilmgandhi 18:6a4db94011d3 92 }
sahilmgandhi 18:6a4db94011d3 93
sahilmgandhi 18:6a4db94011d3 94 private:
sahilmgandhi 18:6a4db94011d3 95 port_t _port;
sahilmgandhi 18:6a4db94011d3 96 };
sahilmgandhi 18:6a4db94011d3 97
sahilmgandhi 18:6a4db94011d3 98 } // namespace mbed
sahilmgandhi 18:6a4db94011d3 99
sahilmgandhi 18:6a4db94011d3 100 #endif
sahilmgandhi 18:6a4db94011d3 101
sahilmgandhi 18:6a4db94011d3 102 #endif
sahilmgandhi 18:6a4db94011d3 103
sahilmgandhi 18:6a4db94011d3 104 /** @}*/