Juan Salazar / sofi7

test

Dependents:   robotic_fish_6

PortOut.h@0:c792b17d9f78, 2021-12-03 (annotated)

Committer:
juansal12
Date:
Fri Dec 03 23:00:34 2021 +0000
Revision:
0:c792b17d9f78
uploaded sofi code ;

Who changed what in which revision?

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juansal12 0:c792b17d9f78 1 /* mbed Microcontroller Library
juansal12 0:c792b17d9f78 2 * Copyright (c) 2006-2013 ARM Limited
juansal12 0:c792b17d9f78 3 *
juansal12 0:c792b17d9f78 4 * Licensed under the Apache License, Version 2.0 (the "License");
juansal12 0:c792b17d9f78 5 * you may not use this file except in compliance with the License.
juansal12 0:c792b17d9f78 6 * You may obtain a copy of the License at
juansal12 0:c792b17d9f78 7 *
juansal12 0:c792b17d9f78 8 * http://www.apache.org/licenses/LICENSE-2.0
juansal12 0:c792b17d9f78 9 *
juansal12 0:c792b17d9f78 10 * Unless required by applicable law or agreed to in writing, software
juansal12 0:c792b17d9f78 11 * distributed under the License is distributed on an "AS IS" BASIS,
juansal12 0:c792b17d9f78 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
juansal12 0:c792b17d9f78 13 * See the License for the specific language governing permissions and
juansal12 0:c792b17d9f78 14 * limitations under the License.
juansal12 0:c792b17d9f78 15 */
juansal12 0:c792b17d9f78 16 #ifndef MBED_PORTOUT_H
juansal12 0:c792b17d9f78 17 #define MBED_PORTOUT_H
juansal12 0:c792b17d9f78 18
juansal12 0:c792b17d9f78 19 #include "platform.h"
juansal12 0:c792b17d9f78 20
juansal12 0:c792b17d9f78 21 #if DEVICE_PORTOUT
juansal12 0:c792b17d9f78 22
juansal12 0:c792b17d9f78 23 #include "port_api.h"
juansal12 0:c792b17d9f78 24
juansal12 0:c792b17d9f78 25 namespace mbed {
juansal12 0:c792b17d9f78 26 /** A multiple pin digital out
juansal12 0:c792b17d9f78 27 *
juansal12 0:c792b17d9f78 28 * Example:
juansal12 0:c792b17d9f78 29 * @code
juansal12 0:c792b17d9f78 30 * // Toggle all four LEDs
juansal12 0:c792b17d9f78 31 *
juansal12 0:c792b17d9f78 32 * #include "mbed.h"
juansal12 0:c792b17d9f78 33 *
juansal12 0:c792b17d9f78 34 * // LED1 = P1.18 LED2 = P1.20 LED3 = P1.21 LED4 = P1.23
juansal12 0:c792b17d9f78 35 * #define LED_MASK 0x00B40000
juansal12 0:c792b17d9f78 36 *
juansal12 0:c792b17d9f78 37 * PortOut ledport(Port1, LED_MASK);
juansal12 0:c792b17d9f78 38 *
juansal12 0:c792b17d9f78 39 * int main() {
juansal12 0:c792b17d9f78 40 * while(1) {
juansal12 0:c792b17d9f78 41 * ledport = LED_MASK;
juansal12 0:c792b17d9f78 42 * wait(1);
juansal12 0:c792b17d9f78 43 * ledport = 0;
juansal12 0:c792b17d9f78 44 * wait(1);
juansal12 0:c792b17d9f78 45 * }
juansal12 0:c792b17d9f78 46 * }
juansal12 0:c792b17d9f78 47 * @endcode
juansal12 0:c792b17d9f78 48 */
juansal12 0:c792b17d9f78 49 class PortOut {
juansal12 0:c792b17d9f78 50 public:
juansal12 0:c792b17d9f78 51
juansal12 0:c792b17d9f78 52 /** Create an PortOut, connected to the specified port
juansal12 0:c792b17d9f78 53 *
juansal12 0:c792b17d9f78 54 * @param port Port to connect to (Port0-Port5)
juansal12 0:c792b17d9f78 55 * @param mask A bitmask to identify which bits in the port should be included (0 - ignore)
juansal12 0:c792b17d9f78 56 */
juansal12 0:c792b17d9f78 57 PortOut(PortName port, int mask = 0xFFFFFFFF) {
juansal12 0:c792b17d9f78 58 port_init(&_port, port, mask, PIN_OUTPUT);
juansal12 0:c792b17d9f78 59 }
juansal12 0:c792b17d9f78 60
juansal12 0:c792b17d9f78 61 /** Write the value to the output port
juansal12 0:c792b17d9f78 62 *
juansal12 0:c792b17d9f78 63 * @param value An integer specifying a bit to write for every corresponding PortOut pin
juansal12 0:c792b17d9f78 64 */
juansal12 0:c792b17d9f78 65 void write(int value) {
juansal12 0:c792b17d9f78 66 port_write(&_port, value);
juansal12 0:c792b17d9f78 67 }
juansal12 0:c792b17d9f78 68
juansal12 0:c792b17d9f78 69 /** Read the value currently output on the port
juansal12 0:c792b17d9f78 70 *
juansal12 0:c792b17d9f78 71 * @returns
juansal12 0:c792b17d9f78 72 * An integer with each bit corresponding to associated PortOut pin setting
juansal12 0:c792b17d9f78 73 */
juansal12 0:c792b17d9f78 74 int read() {
juansal12 0:c792b17d9f78 75 return port_read(&_port);
juansal12 0:c792b17d9f78 76 }
juansal12 0:c792b17d9f78 77
juansal12 0:c792b17d9f78 78 /** A shorthand for write()
juansal12 0:c792b17d9f78 79 */
juansal12 0:c792b17d9f78 80 PortOut& operator= (int value) {
juansal12 0:c792b17d9f78 81 write(value);
juansal12 0:c792b17d9f78 82 return *this;
juansal12 0:c792b17d9f78 83 }
juansal12 0:c792b17d9f78 84
juansal12 0:c792b17d9f78 85 PortOut& operator= (PortOut& rhs) {
juansal12 0:c792b17d9f78 86 write(rhs.read());
juansal12 0:c792b17d9f78 87 return *this;
juansal12 0:c792b17d9f78 88 }
juansal12 0:c792b17d9f78 89
juansal12 0:c792b17d9f78 90 /** A shorthand for read()
juansal12 0:c792b17d9f78 91 */
juansal12 0:c792b17d9f78 92 operator int() {
juansal12 0:c792b17d9f78 93 return read();
juansal12 0:c792b17d9f78 94 }
juansal12 0:c792b17d9f78 95
juansal12 0:c792b17d9f78 96 private:
juansal12 0:c792b17d9f78 97 port_t _port;
juansal12 0:c792b17d9f78 98 };
juansal12 0:c792b17d9f78 99
juansal12 0:c792b17d9f78 100 } // namespace mbed
juansal12 0:c792b17d9f78 101
juansal12 0:c792b17d9f78 102 #endif
juansal12 0:c792b17d9f78 103
juansal12 0:c792b17d9f78 104 #endif