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/AnalogIn.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_ANALOGIN_H
gmatarrubia 0:820a69dfd200 17 #define MBED_ANALOGIN_H
gmatarrubia 0:820a69dfd200 18
gmatarrubia 0:820a69dfd200 19 #include "platform.h"
gmatarrubia 0:820a69dfd200 20
gmatarrubia 0:820a69dfd200 21 #if DEVICE_ANALOGIN
gmatarrubia 0:820a69dfd200 22
gmatarrubia 0:820a69dfd200 23 #include "analogin_api.h"
gmatarrubia 0:820a69dfd200 24
gmatarrubia 0:820a69dfd200 25 namespace mbed {
gmatarrubia 0:820a69dfd200 26
gmatarrubia 0:820a69dfd200 27 /** An analog input, used for reading the voltage on a pin
gmatarrubia 0:820a69dfd200 28 *
gmatarrubia 0:820a69dfd200 29 * Example:
gmatarrubia 0:820a69dfd200 30 * @code
gmatarrubia 0:820a69dfd200 31 * // Print messages when the AnalogIn is greater than 50%
gmatarrubia 0:820a69dfd200 32 *
gmatarrubia 0:820a69dfd200 33 * #include "mbed.h"
gmatarrubia 0:820a69dfd200 34 *
gmatarrubia 0:820a69dfd200 35 * AnalogIn temperature(p20);
gmatarrubia 0:820a69dfd200 36 *
gmatarrubia 0:820a69dfd200 37 * int main() {
gmatarrubia 0:820a69dfd200 38 * while(1) {
gmatarrubia 0:820a69dfd200 39 * if(temperature > 0.5) {
gmatarrubia 0:820a69dfd200 40 * printf("Too hot! (%f)", temperature.read());
gmatarrubia 0:820a69dfd200 41 * }
gmatarrubia 0:820a69dfd200 42 * }
gmatarrubia 0:820a69dfd200 43 * }
gmatarrubia 0:820a69dfd200 44 * @endcode
gmatarrubia 0:820a69dfd200 45 */
gmatarrubia 0:820a69dfd200 46 class AnalogIn {
gmatarrubia 0:820a69dfd200 47
gmatarrubia 0:820a69dfd200 48 public:
gmatarrubia 0:820a69dfd200 49
gmatarrubia 0:820a69dfd200 50 /** Create an AnalogIn, connected to the specified pin
gmatarrubia 0:820a69dfd200 51 *
gmatarrubia 0:820a69dfd200 52 * @param pin AnalogIn pin to connect to
gmatarrubia 0:820a69dfd200 53 * @param name (optional) A string to identify the object
gmatarrubia 0:820a69dfd200 54 */
gmatarrubia 0:820a69dfd200 55 AnalogIn(PinName pin) {
gmatarrubia 0:820a69dfd200 56 analogin_init(&_adc, pin);
gmatarrubia 0:820a69dfd200 57 }
gmatarrubia 0:820a69dfd200 58
gmatarrubia 0:820a69dfd200 59 /** Read the input voltage, represented as a float in the range [0.0, 1.0]
gmatarrubia 0:820a69dfd200 60 *
gmatarrubia 0:820a69dfd200 61 * @returns A floating-point value representing the current input voltage, measured as a percentage
gmatarrubia 0:820a69dfd200 62 */
gmatarrubia 0:820a69dfd200 63 float read() {
gmatarrubia 0:820a69dfd200 64 return analogin_read(&_adc);
gmatarrubia 0:820a69dfd200 65 }
gmatarrubia 0:820a69dfd200 66
gmatarrubia 0:820a69dfd200 67 /** Read the input voltage, represented as an unsigned short in the range [0x0, 0xFFFF]
gmatarrubia 0:820a69dfd200 68 *
gmatarrubia 0:820a69dfd200 69 * @returns
gmatarrubia 0:820a69dfd200 70 * 16-bit unsigned short representing the current input voltage, normalised to a 16-bit value
gmatarrubia 0:820a69dfd200 71 */
gmatarrubia 0:820a69dfd200 72 unsigned short read_u16() {
gmatarrubia 0:820a69dfd200 73 return analogin_read_u16(&_adc);
gmatarrubia 0:820a69dfd200 74 }
gmatarrubia 0:820a69dfd200 75
gmatarrubia 0:820a69dfd200 76 #ifdef MBED_OPERATORS
gmatarrubia 0:820a69dfd200 77 /** An operator shorthand for read()
gmatarrubia 0:820a69dfd200 78 *
gmatarrubia 0:820a69dfd200 79 * The float() operator can be used as a shorthand for read() to simplify common code sequences
gmatarrubia 0:820a69dfd200 80 *
gmatarrubia 0:820a69dfd200 81 * Example:
gmatarrubia 0:820a69dfd200 82 * @code
gmatarrubia 0:820a69dfd200 83 * float x = volume.read();
gmatarrubia 0:820a69dfd200 84 * float x = volume;
gmatarrubia 0:820a69dfd200 85 *
gmatarrubia 0:820a69dfd200 86 * if(volume.read() > 0.25) { ... }
gmatarrubia 0:820a69dfd200 87 * if(volume > 0.25) { ... }
gmatarrubia 0:820a69dfd200 88 * @endcode
gmatarrubia 0:820a69dfd200 89 */
gmatarrubia 0:820a69dfd200 90 operator float() {
gmatarrubia 0:820a69dfd200 91 return read();
gmatarrubia 0:820a69dfd200 92 }
gmatarrubia 0:820a69dfd200 93 #endif
gmatarrubia 0:820a69dfd200 94
gmatarrubia 0:820a69dfd200 95 protected:
gmatarrubia 0:820a69dfd200 96 analogin_t _adc;
gmatarrubia 0:820a69dfd200 97 };
gmatarrubia 0:820a69dfd200 98
gmatarrubia 0:820a69dfd200 99 } // namespace mbed
gmatarrubia 0:820a69dfd200 100
gmatarrubia 0:820a69dfd200 101 #endif
gmatarrubia 0:820a69dfd200 102
gmatarrubia 0:820a69dfd200 103 #endif