jesus antonio lopez / mbed

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Dependents:   2doejemplo Labo_TRSE_Drone

Fork of mbed by mbed official

PortOut.h@59:0883845fe643, 2013-02-18 (annotated)

Committer:
emilmont
Date:
Mon Feb 18 11:12:58 2013 +0000
Revision:
59:0883845fe643
Parent:
55:d722ed6a4237
Child:
65:5798e58a58b1
Add pinmap NC terminators for LPC1768 CAN.

Update the license from MIT to Apache v2.

Make the semihost code target independent using opportune defines for the UID and MAC.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 44:24d45a770a51 1 /* mbed Microcontroller Library
emilmont 54:71b101360fb9 2 * Copyright (c) 2006-2013 ARM Limited
emilmont 44:24d45a770a51 3 *
emilmont 59:0883845fe643 4 * Licensed under the Apache License, Version 2.0 (the "License");
emilmont 59:0883845fe643 5 * you may not use this file except in compliance with the License.
emilmont 59:0883845fe643 6 * You may obtain a copy of the License at
emilmont 59:0883845fe643 7 *
emilmont 59:0883845fe643 8 * http://www.apache.org/licenses/LICENSE-2.0
emilmont 44:24d45a770a51 9 *
emilmont 59:0883845fe643 10 * Unless required by applicable law or agreed to in writing, software
emilmont 59:0883845fe643 11 * distributed under the License is distributed on an "AS IS" BASIS,
emilmont 59:0883845fe643 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
emilmont 59:0883845fe643 13 * See the License for the specific language governing permissions and
emilmont 59:0883845fe643 14 * limitations under the License.
emilmont 44:24d45a770a51 15 */
emilmont 44:24d45a770a51 16 #ifndef MBED_PORTOUT_H
emilmont 44:24d45a770a51 17 #define MBED_PORTOUT_H
emilmont 44:24d45a770a51 18
emilmont 44:24d45a770a51 19 #include "platform.h"
emilmont 44:24d45a770a51 20
emilmont 44:24d45a770a51 21 #if DEVICE_PORTOUT
emilmont 44:24d45a770a51 22
emilmont 44:24d45a770a51 23 #include "port_api.h"
emilmont 44:24d45a770a51 24
emilmont 44:24d45a770a51 25 namespace mbed {
emilmont 44:24d45a770a51 26 /** A multiple pin digital out
emilmont 44:24d45a770a51 27 *
emilmont 44:24d45a770a51 28 * Example:
emilmont 44:24d45a770a51 29 * @code
emilmont 44:24d45a770a51 30 * // Toggle all four LEDs
emilmont 55:d722ed6a4237 31 *
emilmont 44:24d45a770a51 32 * #include "mbed.h"
emilmont 44:24d45a770a51 33 *
emilmont 44:24d45a770a51 34 * // LED1 = P1.18 LED2 = P1.20 LED3 = P1.21 LED4 = P1.23
emilmont 44:24d45a770a51 35 * #define LED_MASK 0x00B40000
emilmont 44:24d45a770a51 36 *
emilmont 44:24d45a770a51 37 * PortOut ledport(Port1, LED_MASK);
emilmont 44:24d45a770a51 38 *
emilmont 44:24d45a770a51 39 * int main() {
emilmont 44:24d45a770a51 40 * while(1) {
emilmont 44:24d45a770a51 41 * ledport = LED_MASK;
emilmont 44:24d45a770a51 42 * wait(1);
emilmont 44:24d45a770a51 43 * ledport = 0;
emilmont 44:24d45a770a51 44 * wait(1);
emilmont 44:24d45a770a51 45 * }
emilmont 44:24d45a770a51 46 * }
emilmont 44:24d45a770a51 47 * @endcode
emilmont 55:d722ed6a4237 48 */
emilmont 44:24d45a770a51 49 class PortOut {
emilmont 44:24d45a770a51 50 public:
emilmont 44:24d45a770a51 51
emilmont 44:24d45a770a51 52 /** Create an PortOut, connected to the specified port
emilmont 44:24d45a770a51 53 *
emilmont 44:24d45a770a51 54 * @param port Port to connect to (Port0-Port5)
emilmont 44:24d45a770a51 55 * @param mask A bitmask to identify which bits in the port should be included (0 - ignore)
emilmont 55:d722ed6a4237 56 */
emilmont 44:24d45a770a51 57 PortOut(PortName port, int mask = 0xFFFFFFFF) {
emilmont 44:24d45a770a51 58 port_init(&_port, port, mask, PIN_OUTPUT);
emilmont 44:24d45a770a51 59 }
emilmont 55:d722ed6a4237 60
emilmont 44:24d45a770a51 61 /** Write the value to the output port
emilmont 44:24d45a770a51 62 *
emilmont 44:24d45a770a51 63 * @param value An integer specifying a bit to write for every corresponding PortOut pin
emilmont 55:d722ed6a4237 64 */
emilmont 44:24d45a770a51 65 void write(int value) {
emilmont 44:24d45a770a51 66 port_write(&_port, value);
emilmont 44:24d45a770a51 67 }
emilmont 55:d722ed6a4237 68
emilmont 44:24d45a770a51 69 /** Read the value currently output on the port
emilmont 44:24d45a770a51 70 *
emilmont 44:24d45a770a51 71 * @returns
emilmont 44:24d45a770a51 72 * An integer with each bit corresponding to associated PortOut pin setting
emilmont 44:24d45a770a51 73 */
emilmont 44:24d45a770a51 74 int read() {
emilmont 44:24d45a770a51 75 return port_read(&_port);
emilmont 44:24d45a770a51 76 }
emilmont 44:24d45a770a51 77
emilmont 44:24d45a770a51 78 /** A shorthand for write()
emilmont 55:d722ed6a4237 79 */
emilmont 55:d722ed6a4237 80 PortOut& operator= (int value) {
emilmont 44:24d45a770a51 81 write(value);
emilmont 44:24d45a770a51 82 return *this;
emilmont 44:24d45a770a51 83 }
emilmont 55:d722ed6a4237 84
emilmont 55:d722ed6a4237 85 PortOut& operator= (PortOut& rhs) {
emilmont 44:24d45a770a51 86 write(rhs.read());
emilmont 44:24d45a770a51 87 return *this;
emilmont 44:24d45a770a51 88 }
emilmont 55:d722ed6a4237 89
emilmont 44:24d45a770a51 90 /** A shorthand for read()
emilmont 44:24d45a770a51 91 */
emilmont 55:d722ed6a4237 92 operator int() {
emilmont 44:24d45a770a51 93 return read();
emilmont 44:24d45a770a51 94 }
emilmont 44:24d45a770a51 95
emilmont 44:24d45a770a51 96 private:
emilmont 44:24d45a770a51 97 port_t _port;
emilmont 44:24d45a770a51 98 };
emilmont 44:24d45a770a51 99
emilmont 44:24d45a770a51 100 } // namespace mbed
emilmont 44:24d45a770a51 101
emilmont 44:24d45a770a51 102 #endif
emilmont 44:24d45a770a51 103
emilmont 44:24d45a770a51 104 #endif