Aravind Vadali / mbed-src-AV

mbed.h library with any bug fixes AV finds.

Dependents:   micromouse4_encoder_testing PID_Test Lab1_Test WorkingPID ... more

api/PortInOut.h@1:ebce2ad32f95, 2015-11-02 (annotated)

Committer:
aravindsv
Date:
Mon Nov 02 03:07:12 2015 +0000
Revision:
1:ebce2ad32f95
Parent:
0:ba7650f404af 
Changed the RCC timeout value to 500 ms, so total code startup time before program starts running is ~1s. Hopefully no side-effects from lower startup timeouts

Who changed what in which revision?

UserRevisionLine numberNew contents of line
aravindsv 0:ba7650f404af 1 /* mbed Microcontroller Library
aravindsv 0:ba7650f404af 2 * Copyright (c) 2006-2013 ARM Limited
aravindsv 0:ba7650f404af 3 *
aravindsv 0:ba7650f404af 4 * Licensed under the Apache License, Version 2.0 (the "License");
aravindsv 0:ba7650f404af 5 * you may not use this file except in compliance with the License.
aravindsv 0:ba7650f404af 6 * You may obtain a copy of the License at
aravindsv 0:ba7650f404af 7 *
aravindsv 0:ba7650f404af 8 * http://www.apache.org/licenses/LICENSE-2.0
aravindsv 0:ba7650f404af 9 *
aravindsv 0:ba7650f404af 10 * Unless required by applicable law or agreed to in writing, software
aravindsv 0:ba7650f404af 11 * distributed under the License is distributed on an "AS IS" BASIS,
aravindsv 0:ba7650f404af 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
aravindsv 0:ba7650f404af 13 * See the License for the specific language governing permissions and
aravindsv 0:ba7650f404af 14 * limitations under the License.
aravindsv 0:ba7650f404af 15 */
aravindsv 0:ba7650f404af 16 #ifndef MBED_PORTINOUT_H
aravindsv 0:ba7650f404af 17 #define MBED_PORTINOUT_H
aravindsv 0:ba7650f404af 18
aravindsv 0:ba7650f404af 19 #include "platform.h"
aravindsv 0:ba7650f404af 20
aravindsv 0:ba7650f404af 21 #if DEVICE_PORTINOUT
aravindsv 0:ba7650f404af 22
aravindsv 0:ba7650f404af 23 #include "port_api.h"
aravindsv 0:ba7650f404af 24
aravindsv 0:ba7650f404af 25 namespace mbed {
aravindsv 0:ba7650f404af 26
aravindsv 0:ba7650f404af 27 /** A multiple pin digital in/out used to set/read multiple bi-directional pins
aravindsv 0:ba7650f404af 28 */
aravindsv 0:ba7650f404af 29 class PortInOut {
aravindsv 0:ba7650f404af 30 public:
aravindsv 0:ba7650f404af 31
aravindsv 0:ba7650f404af 32 /** Create an PortInOut, connected to the specified port
aravindsv 0:ba7650f404af 33 *
aravindsv 0:ba7650f404af 34 * @param port Port to connect to (Port0-Port5)
aravindsv 0:ba7650f404af 35 * @param mask A bitmask to identify which bits in the port should be included (0 - ignore)
aravindsv 0:ba7650f404af 36 */
aravindsv 0:ba7650f404af 37 PortInOut(PortName port, int mask = 0xFFFFFFFF) {
aravindsv 0:ba7650f404af 38 port_init(&_port, port, mask, PIN_INPUT);
aravindsv 0:ba7650f404af 39 }
aravindsv 0:ba7650f404af 40
aravindsv 0:ba7650f404af 41 /** Write the value to the output port
aravindsv 0:ba7650f404af 42 *
aravindsv 0:ba7650f404af 43 * @param value An integer specifying a bit to write for every corresponding port pin
aravindsv 0:ba7650f404af 44 */
aravindsv 0:ba7650f404af 45 void write(int value) {
aravindsv 0:ba7650f404af 46 port_write(&_port, value);
aravindsv 0:ba7650f404af 47 }
aravindsv 0:ba7650f404af 48
aravindsv 0:ba7650f404af 49 /** Read the value currently output on the port
aravindsv 0:ba7650f404af 50 *
aravindsv 0:ba7650f404af 51 * @returns
aravindsv 0:ba7650f404af 52 * An integer with each bit corresponding to associated port pin setting
aravindsv 0:ba7650f404af 53 */
aravindsv 0:ba7650f404af 54 int read() {
aravindsv 0:ba7650f404af 55 return port_read(&_port);
aravindsv 0:ba7650f404af 56 }
aravindsv 0:ba7650f404af 57
aravindsv 0:ba7650f404af 58 /** Set as an output
aravindsv 0:ba7650f404af 59 */
aravindsv 0:ba7650f404af 60 void output() {
aravindsv 0:ba7650f404af 61 port_dir(&_port, PIN_OUTPUT);
aravindsv 0:ba7650f404af 62 }
aravindsv 0:ba7650f404af 63
aravindsv 0:ba7650f404af 64 /** Set as an input
aravindsv 0:ba7650f404af 65 */
aravindsv 0:ba7650f404af 66 void input() {
aravindsv 0:ba7650f404af 67 port_dir(&_port, PIN_INPUT);
aravindsv 0:ba7650f404af 68 }
aravindsv 0:ba7650f404af 69
aravindsv 0:ba7650f404af 70 /** Set the input pin mode
aravindsv 0:ba7650f404af 71 *
aravindsv 0:ba7650f404af 72 * @param mode PullUp, PullDown, PullNone, OpenDrain
aravindsv 0:ba7650f404af 73 */
aravindsv 0:ba7650f404af 74 void mode(PinMode mode) {
aravindsv 0:ba7650f404af 75 port_mode(&_port, mode);
aravindsv 0:ba7650f404af 76 }
aravindsv 0:ba7650f404af 77
aravindsv 0:ba7650f404af 78 /** A shorthand for write()
aravindsv 0:ba7650f404af 79 */
aravindsv 0:ba7650f404af 80 PortInOut& operator= (int value) {
aravindsv 0:ba7650f404af 81 write(value);
aravindsv 0:ba7650f404af 82 return *this;
aravindsv 0:ba7650f404af 83 }
aravindsv 0:ba7650f404af 84
aravindsv 0:ba7650f404af 85 PortInOut& operator= (PortInOut& rhs) {
aravindsv 0:ba7650f404af 86 write(rhs.read());
aravindsv 0:ba7650f404af 87 return *this;
aravindsv 0:ba7650f404af 88 }
aravindsv 0:ba7650f404af 89
aravindsv 0:ba7650f404af 90 /** A shorthand for read()
aravindsv 0:ba7650f404af 91 */
aravindsv 0:ba7650f404af 92 operator int() {
aravindsv 0:ba7650f404af 93 return read();
aravindsv 0:ba7650f404af 94 }
aravindsv 0:ba7650f404af 95
aravindsv 0:ba7650f404af 96 private:
aravindsv 0:ba7650f404af 97 port_t _port;
aravindsv 0:ba7650f404af 98 };
aravindsv 0:ba7650f404af 99
aravindsv 0:ba7650f404af 100 } // namespace mbed
aravindsv 0:ba7650f404af 101
aravindsv 0:ba7650f404af 102 #endif
aravindsv 0:ba7650f404af 103
aravindsv 0:ba7650f404af 104 #endif