Gonzalo Matarrubia / Mbed LPC1549 mod

This repo contains the libraries of Mbed for LPC1549 with following changes: - IAP commands. - EEPROM write and read. - UART write and read (public) - CAN can_s -> LPC_C_CAN0_Type *can

mbed/DigitalIn.h@0:820a69dfd200, 2015-04-14 (annotated)

Committer:
gmatarrubia
Date:
Tue Apr 14 15:00:13 2015 +0200
Revision:
0:820a69dfd200
Initial repo. IAP commands, EEPROM write/read, UART write/read, CAN

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gmatarrubia 0:820a69dfd200 1 /* mbed Microcontroller Library
gmatarrubia 0:820a69dfd200 2 * Copyright (c) 2006-2013 ARM Limited
gmatarrubia 0:820a69dfd200 3 *
gmatarrubia 0:820a69dfd200 4 * Licensed under the Apache License, Version 2.0 (the "License");
gmatarrubia 0:820a69dfd200 5 * you may not use this file except in compliance with the License.
gmatarrubia 0:820a69dfd200 6 * You may obtain a copy of the License at
gmatarrubia 0:820a69dfd200 7 *
gmatarrubia 0:820a69dfd200 8 * http://www.apache.org/licenses/LICENSE-2.0
gmatarrubia 0:820a69dfd200 9 *
gmatarrubia 0:820a69dfd200 10 * Unless required by applicable law or agreed to in writing, software
gmatarrubia 0:820a69dfd200 11 * distributed under the License is distributed on an "AS IS" BASIS,
gmatarrubia 0:820a69dfd200 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
gmatarrubia 0:820a69dfd200 13 * See the License for the specific language governing permissions and
gmatarrubia 0:820a69dfd200 14 * limitations under the License.
gmatarrubia 0:820a69dfd200 15 */
gmatarrubia 0:820a69dfd200 16 #ifndef MBED_DIGITALIN_H
gmatarrubia 0:820a69dfd200 17 #define MBED_DIGITALIN_H
gmatarrubia 0:820a69dfd200 18
gmatarrubia 0:820a69dfd200 19 #include "platform.h"
gmatarrubia 0:820a69dfd200 20
gmatarrubia 0:820a69dfd200 21 #include "gpio_api.h"
gmatarrubia 0:820a69dfd200 22
gmatarrubia 0:820a69dfd200 23 namespace mbed {
gmatarrubia 0:820a69dfd200 24
gmatarrubia 0:820a69dfd200 25 /** A digital input, used for reading the state of a pin
gmatarrubia 0:820a69dfd200 26 *
gmatarrubia 0:820a69dfd200 27 * Example:
gmatarrubia 0:820a69dfd200 28 * @code
gmatarrubia 0:820a69dfd200 29 * // Flash an LED while a DigitalIn is true
gmatarrubia 0:820a69dfd200 30 *
gmatarrubia 0:820a69dfd200 31 * #include "mbed.h"
gmatarrubia 0:820a69dfd200 32 *
gmatarrubia 0:820a69dfd200 33 * DigitalIn enable(p5);
gmatarrubia 0:820a69dfd200 34 * DigitalOut led(LED1);
gmatarrubia 0:820a69dfd200 35 *
gmatarrubia 0:820a69dfd200 36 * int main() {
gmatarrubia 0:820a69dfd200 37 * while(1) {
gmatarrubia 0:820a69dfd200 38 * if(enable) {
gmatarrubia 0:820a69dfd200 39 * led = !led;
gmatarrubia 0:820a69dfd200 40 * }
gmatarrubia 0:820a69dfd200 41 * wait(0.25);
gmatarrubia 0:820a69dfd200 42 * }
gmatarrubia 0:820a69dfd200 43 * }
gmatarrubia 0:820a69dfd200 44 * @endcode
gmatarrubia 0:820a69dfd200 45 */
gmatarrubia 0:820a69dfd200 46 class DigitalIn {
gmatarrubia 0:820a69dfd200 47
gmatarrubia 0:820a69dfd200 48 public:
gmatarrubia 0:820a69dfd200 49 /** Create a DigitalIn connected to the specified pin
gmatarrubia 0:820a69dfd200 50 *
gmatarrubia 0:820a69dfd200 51 * @param pin DigitalIn pin to connect to
gmatarrubia 0:820a69dfd200 52 */
gmatarrubia 0:820a69dfd200 53 DigitalIn(PinName pin) : gpio() {
gmatarrubia 0:820a69dfd200 54 gpio_init_in(&gpio, pin);
gmatarrubia 0:820a69dfd200 55 }
gmatarrubia 0:820a69dfd200 56
gmatarrubia 0:820a69dfd200 57 /** Create a DigitalIn connected to the specified pin
gmatarrubia 0:820a69dfd200 58 *
gmatarrubia 0:820a69dfd200 59 * @param pin DigitalIn pin to connect to
gmatarrubia 0:820a69dfd200 60 * @param mode the initial mode of the pin
gmatarrubia 0:820a69dfd200 61 */
gmatarrubia 0:820a69dfd200 62 DigitalIn(PinName pin, PinMode mode) : gpio() {
gmatarrubia 0:820a69dfd200 63 gpio_init_in_ex(&gpio, pin, mode);
gmatarrubia 0:820a69dfd200 64 }
gmatarrubia 0:820a69dfd200 65 /** Read the input, represented as 0 or 1 (int)
gmatarrubia 0:820a69dfd200 66 *
gmatarrubia 0:820a69dfd200 67 * @returns
gmatarrubia 0:820a69dfd200 68 * An integer representing the state of the input pin,
gmatarrubia 0:820a69dfd200 69 * 0 for logical 0, 1 for logical 1
gmatarrubia 0:820a69dfd200 70 */
gmatarrubia 0:820a69dfd200 71 int read() {
gmatarrubia 0:820a69dfd200 72 return gpio_read(&gpio);
gmatarrubia 0:820a69dfd200 73 }
gmatarrubia 0:820a69dfd200 74
gmatarrubia 0:820a69dfd200 75 /** Set the input pin mode
gmatarrubia 0:820a69dfd200 76 *
gmatarrubia 0:820a69dfd200 77 * @param mode PullUp, PullDown, PullNone, OpenDrain
gmatarrubia 0:820a69dfd200 78 */
gmatarrubia 0:820a69dfd200 79 void mode(PinMode pull) {
gmatarrubia 0:820a69dfd200 80 gpio_mode(&gpio, pull);
gmatarrubia 0:820a69dfd200 81 }
gmatarrubia 0:820a69dfd200 82
gmatarrubia 0:820a69dfd200 83 /** Return the output setting, represented as 0 or 1 (int)
gmatarrubia 0:820a69dfd200 84 *
gmatarrubia 0:820a69dfd200 85 * @returns
gmatarrubia 0:820a69dfd200 86 * Non zero value if pin is connected to uc GPIO
gmatarrubia 0:820a69dfd200 87 * 0 if gpio object was initialized with NC
gmatarrubia 0:820a69dfd200 88 */
gmatarrubia 0:820a69dfd200 89 int is_connected() {
gmatarrubia 0:820a69dfd200 90 return gpio_is_connected(&gpio);
gmatarrubia 0:820a69dfd200 91 }
gmatarrubia 0:820a69dfd200 92
gmatarrubia 0:820a69dfd200 93 #ifdef MBED_OPERATORS
gmatarrubia 0:820a69dfd200 94 /** An operator shorthand for read()
gmatarrubia 0:820a69dfd200 95 */
gmatarrubia 0:820a69dfd200 96 operator int() {
gmatarrubia 0:820a69dfd200 97 return read();
gmatarrubia 0:820a69dfd200 98 }
gmatarrubia 0:820a69dfd200 99 #endif
gmatarrubia 0:820a69dfd200 100
gmatarrubia 0:820a69dfd200 101 protected:
gmatarrubia 0:820a69dfd200 102 gpio_t gpio;
gmatarrubia 0:820a69dfd200 103 };
gmatarrubia 0:820a69dfd200 104
gmatarrubia 0:820a69dfd200 105 } // namespace mbed
gmatarrubia 0:820a69dfd200 106
gmatarrubia 0:820a69dfd200 107 #endif