Milen Pavlov / XRange_mbed_src

Mbed SDK for XRange SX1272 LoRa module

Dependents:   XRangePingPong XRange-LoRaWAN-lmic-app lora-transceiver

SX1272 LoRa RF module

https://www.netblocks.eu/xrange-sx1272-lora-datasheet/

api/DigitalIn.h@339:ac6f3fd999f3, 2016-01-07 (annotated)

Committer:
netblocks
Date:
Thu Jan 07 13:01:25 2016 +0000
Revision:
339:ac6f3fd999f3
Parent:
336:1e18a06a987b 
HSE_VALUE set for XTAL 16Mhz

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dudmuck 336:1e18a06a987b 1 /* mbed Microcontroller Library
dudmuck 336:1e18a06a987b 2 * Copyright (c) 2006-2013 ARM Limited
dudmuck 336:1e18a06a987b 3 *
dudmuck 336:1e18a06a987b 4 * Licensed under the Apache License, Version 2.0 (the "License");
dudmuck 336:1e18a06a987b 5 * you may not use this file except in compliance with the License.
dudmuck 336:1e18a06a987b 6 * You may obtain a copy of the License at
dudmuck 336:1e18a06a987b 7 *
dudmuck 336:1e18a06a987b 8 * http://www.apache.org/licenses/LICENSE-2.0
dudmuck 336:1e18a06a987b 9 *
dudmuck 336:1e18a06a987b 10 * Unless required by applicable law or agreed to in writing, software
dudmuck 336:1e18a06a987b 11 * distributed under the License is distributed on an "AS IS" BASIS,
dudmuck 336:1e18a06a987b 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
dudmuck 336:1e18a06a987b 13 * See the License for the specific language governing permissions and
dudmuck 336:1e18a06a987b 14 * limitations under the License.
dudmuck 336:1e18a06a987b 15 */
dudmuck 336:1e18a06a987b 16 #ifndef MBED_DIGITALIN_H
dudmuck 336:1e18a06a987b 17 #define MBED_DIGITALIN_H
dudmuck 336:1e18a06a987b 18
dudmuck 336:1e18a06a987b 19 #include "platform.h"
dudmuck 336:1e18a06a987b 20
dudmuck 336:1e18a06a987b 21 #include "gpio_api.h"
dudmuck 336:1e18a06a987b 22
dudmuck 336:1e18a06a987b 23 namespace mbed {
dudmuck 336:1e18a06a987b 24
dudmuck 336:1e18a06a987b 25 /** A digital input, used for reading the state of a pin
dudmuck 336:1e18a06a987b 26 *
dudmuck 336:1e18a06a987b 27 * Example:
dudmuck 336:1e18a06a987b 28 * @code
dudmuck 336:1e18a06a987b 29 * // Flash an LED while a DigitalIn is true
dudmuck 336:1e18a06a987b 30 *
dudmuck 336:1e18a06a987b 31 * #include "mbed.h"
dudmuck 336:1e18a06a987b 32 *
dudmuck 336:1e18a06a987b 33 * DigitalIn enable(p5);
dudmuck 336:1e18a06a987b 34 * DigitalOut led(LED1);
dudmuck 336:1e18a06a987b 35 *
dudmuck 336:1e18a06a987b 36 * int main() {
dudmuck 336:1e18a06a987b 37 * while(1) {
dudmuck 336:1e18a06a987b 38 * if(enable) {
dudmuck 336:1e18a06a987b 39 * led = !led;
dudmuck 336:1e18a06a987b 40 * }
dudmuck 336:1e18a06a987b 41 * wait(0.25);
dudmuck 336:1e18a06a987b 42 * }
dudmuck 336:1e18a06a987b 43 * }
dudmuck 336:1e18a06a987b 44 * @endcode
dudmuck 336:1e18a06a987b 45 */
dudmuck 336:1e18a06a987b 46 class DigitalIn {
dudmuck 336:1e18a06a987b 47
dudmuck 336:1e18a06a987b 48 public:
dudmuck 336:1e18a06a987b 49 /** Create a DigitalIn connected to the specified pin
dudmuck 336:1e18a06a987b 50 *
dudmuck 336:1e18a06a987b 51 * @param pin DigitalIn pin to connect to
dudmuck 336:1e18a06a987b 52 */
dudmuck 336:1e18a06a987b 53 DigitalIn(PinName pin) : gpio() {
dudmuck 336:1e18a06a987b 54 gpio_init_in(&gpio, pin);
dudmuck 336:1e18a06a987b 55 }
dudmuck 336:1e18a06a987b 56
dudmuck 336:1e18a06a987b 57 /** Create a DigitalIn connected to the specified pin
dudmuck 336:1e18a06a987b 58 *
dudmuck 336:1e18a06a987b 59 * @param pin DigitalIn pin to connect to
dudmuck 336:1e18a06a987b 60 * @param mode the initial mode of the pin
dudmuck 336:1e18a06a987b 61 */
dudmuck 336:1e18a06a987b 62 DigitalIn(PinName pin, PinMode mode) : gpio() {
dudmuck 336:1e18a06a987b 63 gpio_init_in_ex(&gpio, pin, mode);
dudmuck 336:1e18a06a987b 64 }
dudmuck 336:1e18a06a987b 65 /** Read the input, represented as 0 or 1 (int)
dudmuck 336:1e18a06a987b 66 *
dudmuck 336:1e18a06a987b 67 * @returns
dudmuck 336:1e18a06a987b 68 * An integer representing the state of the input pin,
dudmuck 336:1e18a06a987b 69 * 0 for logical 0, 1 for logical 1
dudmuck 336:1e18a06a987b 70 */
dudmuck 336:1e18a06a987b 71 int read() {
dudmuck 336:1e18a06a987b 72 return gpio_read(&gpio);
dudmuck 336:1e18a06a987b 73 }
dudmuck 336:1e18a06a987b 74
dudmuck 336:1e18a06a987b 75 /** Set the input pin mode
dudmuck 336:1e18a06a987b 76 *
dudmuck 336:1e18a06a987b 77 * @param mode PullUp, PullDown, PullNone, OpenDrain
dudmuck 336:1e18a06a987b 78 */
dudmuck 336:1e18a06a987b 79 void mode(PinMode pull) {
dudmuck 336:1e18a06a987b 80 gpio_mode(&gpio, pull);
dudmuck 336:1e18a06a987b 81 }
dudmuck 336:1e18a06a987b 82
dudmuck 336:1e18a06a987b 83 #ifdef MBED_OPERATORS
dudmuck 336:1e18a06a987b 84 /** An operator shorthand for read()
dudmuck 336:1e18a06a987b 85 */
dudmuck 336:1e18a06a987b 86 operator int() {
dudmuck 336:1e18a06a987b 87 return read();
dudmuck 336:1e18a06a987b 88 }
dudmuck 336:1e18a06a987b 89 #endif
dudmuck 336:1e18a06a987b 90
dudmuck 336:1e18a06a987b 91 protected:
dudmuck 336:1e18a06a987b 92 gpio_t gpio;
dudmuck 336:1e18a06a987b 93 };
dudmuck 336:1e18a06a987b 94
dudmuck 336:1e18a06a987b 95 } // namespace mbed
dudmuck 336:1e18a06a987b 96
dudmuck 336:1e18a06a987b 97 #endif