David DiCarlo / mbed-src-KL05Z-smart-sensor

Fork of mbed for KL05Z based smart sensor which has no crystal on the board, so MCG FEI mode is required.

Dependents:   smart-sensor-KL05Z-debug

Fork of mbed-src by Ermanno Brusadin

api/PortIn.h@1:da408b460382, 2018-01-29 (annotated)

Committer:
r14793
Date:
Mon Jan 29 15:38:37 2018 +0000
Revision:
1:da408b460382
Parent:
0:0a673c671a56 
changed KL05 MCG mode to FEI for smart sensor boards (no crystal)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ebrus 0:0a673c671a56 1 /* mbed Microcontroller Library
ebrus 0:0a673c671a56 2 * Copyright (c) 2006-2013 ARM Limited
ebrus 0:0a673c671a56 3 *
ebrus 0:0a673c671a56 4 * Licensed under the Apache License, Version 2.0 (the "License");
ebrus 0:0a673c671a56 5 * you may not use this file except in compliance with the License.
ebrus 0:0a673c671a56 6 * You may obtain a copy of the License at
ebrus 0:0a673c671a56 7 *
ebrus 0:0a673c671a56 8 * http://www.apache.org/licenses/LICENSE-2.0
ebrus 0:0a673c671a56 9 *
ebrus 0:0a673c671a56 10 * Unless required by applicable law or agreed to in writing, software
ebrus 0:0a673c671a56 11 * distributed under the License is distributed on an "AS IS" BASIS,
ebrus 0:0a673c671a56 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
ebrus 0:0a673c671a56 13 * See the License for the specific language governing permissions and
ebrus 0:0a673c671a56 14 * limitations under the License.
ebrus 0:0a673c671a56 15 */
ebrus 0:0a673c671a56 16 #ifndef MBED_PORTIN_H
ebrus 0:0a673c671a56 17 #define MBED_PORTIN_H
ebrus 0:0a673c671a56 18
ebrus 0:0a673c671a56 19 #include "platform.h"
ebrus 0:0a673c671a56 20
ebrus 0:0a673c671a56 21 #if DEVICE_PORTIN
ebrus 0:0a673c671a56 22
ebrus 0:0a673c671a56 23 #include "port_api.h"
ebrus 0:0a673c671a56 24
ebrus 0:0a673c671a56 25 namespace mbed {
ebrus 0:0a673c671a56 26
ebrus 0:0a673c671a56 27 /** A multiple pin digital input
ebrus 0:0a673c671a56 28 *
ebrus 0:0a673c671a56 29 * Example:
ebrus 0:0a673c671a56 30 * @code
ebrus 0:0a673c671a56 31 * // Switch on an LED if any of mbed pins 21-26 is high
ebrus 0:0a673c671a56 32 *
ebrus 0:0a673c671a56 33 * #include "mbed.h"
ebrus 0:0a673c671a56 34 *
ebrus 0:0a673c671a56 35 * PortIn p(Port2, 0x0000003F); // p21-p26
ebrus 0:0a673c671a56 36 * DigitalOut ind(LED4);
ebrus 0:0a673c671a56 37 *
ebrus 0:0a673c671a56 38 * int main() {
ebrus 0:0a673c671a56 39 * while(1) {
ebrus 0:0a673c671a56 40 * int pins = p.read();
ebrus 0:0a673c671a56 41 * if(pins) {
ebrus 0:0a673c671a56 42 * ind = 1;
ebrus 0:0a673c671a56 43 * } else {
ebrus 0:0a673c671a56 44 * ind = 0;
ebrus 0:0a673c671a56 45 * }
ebrus 0:0a673c671a56 46 * }
ebrus 0:0a673c671a56 47 * }
ebrus 0:0a673c671a56 48 * @endcode
ebrus 0:0a673c671a56 49 */
ebrus 0:0a673c671a56 50 class PortIn {
ebrus 0:0a673c671a56 51 public:
ebrus 0:0a673c671a56 52
ebrus 0:0a673c671a56 53 /** Create an PortIn, connected to the specified port
ebrus 0:0a673c671a56 54 *
ebrus 0:0a673c671a56 55 * @param port Port to connect to (Port0-Port5)
ebrus 0:0a673c671a56 56 * @param mask A bitmask to identify which bits in the port should be included (0 - ignore)
ebrus 0:0a673c671a56 57 */
ebrus 0:0a673c671a56 58 PortIn(PortName port, int mask = 0xFFFFFFFF) {
ebrus 0:0a673c671a56 59 port_init(&_port, port, mask, PIN_INPUT);
ebrus 0:0a673c671a56 60 }
ebrus 0:0a673c671a56 61
ebrus 0:0a673c671a56 62 /** Read the value currently output on the port
ebrus 0:0a673c671a56 63 *
ebrus 0:0a673c671a56 64 * @returns
ebrus 0:0a673c671a56 65 * An integer with each bit corresponding to associated port pin setting
ebrus 0:0a673c671a56 66 */
ebrus 0:0a673c671a56 67 int read() {
ebrus 0:0a673c671a56 68 return port_read(&_port);
ebrus 0:0a673c671a56 69 }
ebrus 0:0a673c671a56 70
ebrus 0:0a673c671a56 71 /** Set the input pin mode
ebrus 0:0a673c671a56 72 *
ebrus 0:0a673c671a56 73 * @param mode PullUp, PullDown, PullNone, OpenDrain
ebrus 0:0a673c671a56 74 */
ebrus 0:0a673c671a56 75 void mode(PinMode mode) {
ebrus 0:0a673c671a56 76 port_mode(&_port, mode);
ebrus 0:0a673c671a56 77 }
ebrus 0:0a673c671a56 78
ebrus 0:0a673c671a56 79 /** A shorthand for read()
ebrus 0:0a673c671a56 80 */
ebrus 0:0a673c671a56 81 operator int() {
ebrus 0:0a673c671a56 82 return read();
ebrus 0:0a673c671a56 83 }
ebrus 0:0a673c671a56 84
ebrus 0:0a673c671a56 85 private:
ebrus 0:0a673c671a56 86 port_t _port;
ebrus 0:0a673c671a56 87 };
ebrus 0:0a673c671a56 88
ebrus 0:0a673c671a56 89 } // namespace mbed
ebrus 0:0a673c671a56 90
ebrus 0:0a673c671a56 91 #endif
ebrus 0:0a673c671a56 92
ebrus 0:0a673c671a56 93 #endif