Yihui Xiong / BLE_NODE_TEST

Test code for Grove Node BLE

Dependencies:   BLE_API nRF51822

Fork of BLE_LoopbackUART by Bluetooth Low Energy

mbed-src/api/PortIn.h@10:22480ac31879, 2014-11-27 (annotated)

Committer:
yihui
Date:
Thu Nov 27 09:30:36 2014 +0000
Revision:
10:22480ac31879
Parent:
9:05f0b5a3a70a 
change to new revision hardware

Who changed what in which revision?

UserRevisionLine numberNew contents of line
yihui 9:05f0b5a3a70a 1 /* mbed Microcontroller Library
yihui 9:05f0b5a3a70a 2 * Copyright (c) 2006-2013 ARM Limited
yihui 9:05f0b5a3a70a 3 *
yihui 9:05f0b5a3a70a 4 * Licensed under the Apache License, Version 2.0 (the "License");
yihui 9:05f0b5a3a70a 5 * you may not use this file except in compliance with the License.
yihui 9:05f0b5a3a70a 6 * You may obtain a copy of the License at
yihui 9:05f0b5a3a70a 7 *
yihui 9:05f0b5a3a70a 8 * http://www.apache.org/licenses/LICENSE-2.0
yihui 9:05f0b5a3a70a 9 *
yihui 9:05f0b5a3a70a 10 * Unless required by applicable law or agreed to in writing, software
yihui 9:05f0b5a3a70a 11 * distributed under the License is distributed on an "AS IS" BASIS,
yihui 9:05f0b5a3a70a 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
yihui 9:05f0b5a3a70a 13 * See the License for the specific language governing permissions and
yihui 9:05f0b5a3a70a 14 * limitations under the License.
yihui 9:05f0b5a3a70a 15 */
yihui 9:05f0b5a3a70a 16 #ifndef MBED_PORTIN_H
yihui 9:05f0b5a3a70a 17 #define MBED_PORTIN_H
yihui 9:05f0b5a3a70a 18
yihui 9:05f0b5a3a70a 19 #include "platform.h"
yihui 9:05f0b5a3a70a 20
yihui 9:05f0b5a3a70a 21 #if DEVICE_PORTIN
yihui 9:05f0b5a3a70a 22
yihui 9:05f0b5a3a70a 23 #include "port_api.h"
yihui 9:05f0b5a3a70a 24
yihui 9:05f0b5a3a70a 25 namespace mbed {
yihui 9:05f0b5a3a70a 26
yihui 9:05f0b5a3a70a 27 /** A multiple pin digital input
yihui 9:05f0b5a3a70a 28 *
yihui 9:05f0b5a3a70a 29 * Example:
yihui 9:05f0b5a3a70a 30 * @code
yihui 9:05f0b5a3a70a 31 * // Switch on an LED if any of mbed pins 21-26 is high
yihui 9:05f0b5a3a70a 32 *
yihui 9:05f0b5a3a70a 33 * #include "mbed.h"
yihui 9:05f0b5a3a70a 34 *
yihui 9:05f0b5a3a70a 35 * PortIn p(Port2, 0x0000003F); // p21-p26
yihui 9:05f0b5a3a70a 36 * DigitalOut ind(LED4);
yihui 9:05f0b5a3a70a 37 *
yihui 9:05f0b5a3a70a 38 * int main() {
yihui 9:05f0b5a3a70a 39 * while(1) {
yihui 9:05f0b5a3a70a 40 * int pins = p.read();
yihui 9:05f0b5a3a70a 41 * if(pins) {
yihui 9:05f0b5a3a70a 42 * ind = 1;
yihui 9:05f0b5a3a70a 43 * } else {
yihui 9:05f0b5a3a70a 44 * ind = 0;
yihui 9:05f0b5a3a70a 45 * }
yihui 9:05f0b5a3a70a 46 * }
yihui 9:05f0b5a3a70a 47 * }
yihui 9:05f0b5a3a70a 48 * @endcode
yihui 9:05f0b5a3a70a 49 */
yihui 9:05f0b5a3a70a 50 class PortIn {
yihui 9:05f0b5a3a70a 51 public:
yihui 9:05f0b5a3a70a 52
yihui 9:05f0b5a3a70a 53 /** Create an PortIn, connected to the specified port
yihui 9:05f0b5a3a70a 54 *
yihui 9:05f0b5a3a70a 55 * @param port Port to connect to (Port0-Port5)
yihui 9:05f0b5a3a70a 56 * @param mask A bitmask to identify which bits in the port should be included (0 - ignore)
yihui 9:05f0b5a3a70a 57 */
yihui 9:05f0b5a3a70a 58 PortIn(PortName port, int mask = 0xFFFFFFFF) {
yihui 9:05f0b5a3a70a 59 port_init(&_port, port, mask, PIN_INPUT);
yihui 9:05f0b5a3a70a 60 }
yihui 9:05f0b5a3a70a 61
yihui 9:05f0b5a3a70a 62 /** Read the value currently output on the port
yihui 9:05f0b5a3a70a 63 *
yihui 9:05f0b5a3a70a 64 * @returns
yihui 9:05f0b5a3a70a 65 * An integer with each bit corresponding to associated port pin setting
yihui 9:05f0b5a3a70a 66 */
yihui 9:05f0b5a3a70a 67 int read() {
yihui 9:05f0b5a3a70a 68 return port_read(&_port);
yihui 9:05f0b5a3a70a 69 }
yihui 9:05f0b5a3a70a 70
yihui 9:05f0b5a3a70a 71 /** Set the input pin mode
yihui 9:05f0b5a3a70a 72 *
yihui 9:05f0b5a3a70a 73 * @param mode PullUp, PullDown, PullNone, OpenDrain
yihui 9:05f0b5a3a70a 74 */
yihui 9:05f0b5a3a70a 75 void mode(PinMode mode) {
yihui 9:05f0b5a3a70a 76 port_mode(&_port, mode);
yihui 9:05f0b5a3a70a 77 }
yihui 9:05f0b5a3a70a 78
yihui 9:05f0b5a3a70a 79 /** A shorthand for read()
yihui 9:05f0b5a3a70a 80 */
yihui 9:05f0b5a3a70a 81 operator int() {
yihui 9:05f0b5a3a70a 82 return read();
yihui 9:05f0b5a3a70a 83 }
yihui 9:05f0b5a3a70a 84
yihui 9:05f0b5a3a70a 85 private:
yihui 9:05f0b5a3a70a 86 port_t _port;
yihui 9:05f0b5a3a70a 87 };
yihui 9:05f0b5a3a70a 88
yihui 9:05f0b5a3a70a 89 } // namespace mbed
yihui 9:05f0b5a3a70a 90
yihui 9:05f0b5a3a70a 91 #endif
yihui 9:05f0b5a3a70a 92
yihui 9:05f0b5a3a70a 93 #endif