CRAC Team / CRAC-Strat_2017-19-05-2017

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mbed/PortIn.h@17:d1594579eec6, 2017-05-19 (annotated)

Committer:
ClementBreteau
Date:
Fri May 19 17:14:07 2017 +0000
Revision:
17:d1594579eec6
Parent:
0:ad97421fb1fb 
strat du robot, 19-05-2017, 19h

Who changed what in which revision?

UserRevisionLine numberNew contents of line
antbig 0:ad97421fb1fb 1 /* mbed Microcontroller Library - PortInOut
antbig 0:ad97421fb1fb 2 * Copyright (c) 2006-2011 ARM Limited. All rights reserved.
antbig 0:ad97421fb1fb 3 */
antbig 0:ad97421fb1fb 4
antbig 0:ad97421fb1fb 5 #ifndef MBED_PORTIN_H
antbig 0:ad97421fb1fb 6 #define MBED_PORTIN_H
antbig 0:ad97421fb1fb 7
antbig 0:ad97421fb1fb 8 #include "device.h"
antbig 0:ad97421fb1fb 9
antbig 0:ad97421fb1fb 10 #if DEVICE_PORTIN
antbig 0:ad97421fb1fb 11
antbig 0:ad97421fb1fb 12 #include "PortNames.h"
antbig 0:ad97421fb1fb 13 #include "PinNames.h"
antbig 0:ad97421fb1fb 14
antbig 0:ad97421fb1fb 15 namespace mbed {
antbig 0:ad97421fb1fb 16
antbig 0:ad97421fb1fb 17 /* Class: PortIn
antbig 0:ad97421fb1fb 18 * A multiple pin digital input
antbig 0:ad97421fb1fb 19 *
antbig 0:ad97421fb1fb 20 * Example:
antbig 0:ad97421fb1fb 21 * > // Switch on an LED if any of mbed pins 21-26 is high
antbig 0:ad97421fb1fb 22 * >
antbig 0:ad97421fb1fb 23 * > #include "mbed.h"
antbig 0:ad97421fb1fb 24 * >
antbig 0:ad97421fb1fb 25 * > PortIn p(Port2, 0x0000003F); // p21-p26
antbig 0:ad97421fb1fb 26 * > DigitalOut ind(LED4);
antbig 0:ad97421fb1fb 27 * >
antbig 0:ad97421fb1fb 28 * > int main() {
antbig 0:ad97421fb1fb 29 * > while(1) {
antbig 0:ad97421fb1fb 30 * > int pins = p.read();
antbig 0:ad97421fb1fb 31 * > if(pins) {
antbig 0:ad97421fb1fb 32 * > ind = 1;
antbig 0:ad97421fb1fb 33 * > } else {
antbig 0:ad97421fb1fb 34 * > ind = 0;
antbig 0:ad97421fb1fb 35 * > }
antbig 0:ad97421fb1fb 36 * > }
antbig 0:ad97421fb1fb 37 * > }
antbig 0:ad97421fb1fb 38 */
antbig 0:ad97421fb1fb 39 class PortIn {
antbig 0:ad97421fb1fb 40 public:
antbig 0:ad97421fb1fb 41
antbig 0:ad97421fb1fb 42 /* Constructor: PortIn
antbig 0:ad97421fb1fb 43 * Create an PortIn, connected to the specified port
antbig 0:ad97421fb1fb 44 *
antbig 0:ad97421fb1fb 45 * Variables:
antbig 0:ad97421fb1fb 46 * port - Port to connect to (Port0-Port5)
antbig 0:ad97421fb1fb 47 * mask - A bitmask to identify which bits in the port should be included (0 - ignore)
antbig 0:ad97421fb1fb 48 */
antbig 0:ad97421fb1fb 49 PortIn(PortName port, int mask = 0xFFFFFFFF);
antbig 0:ad97421fb1fb 50
antbig 0:ad97421fb1fb 51 /* Function: read
antbig 0:ad97421fb1fb 52 * Read the value currently output on the port
antbig 0:ad97421fb1fb 53 *
antbig 0:ad97421fb1fb 54 * Variables:
antbig 0:ad97421fb1fb 55 * returns - An integer with each bit corresponding to associated port pin setting
antbig 0:ad97421fb1fb 56 */
antbig 0:ad97421fb1fb 57 int read();
antbig 0:ad97421fb1fb 58
antbig 0:ad97421fb1fb 59 /* Function: mode
antbig 0:ad97421fb1fb 60 * Set the input pin mode
antbig 0:ad97421fb1fb 61 *
antbig 0:ad97421fb1fb 62 * Variables:
antbig 0:ad97421fb1fb 63 * mode - PullUp, PullDown, PullNone, OpenDrain
antbig 0:ad97421fb1fb 64 */
antbig 0:ad97421fb1fb 65 void mode(PinMode mode);
antbig 0:ad97421fb1fb 66
antbig 0:ad97421fb1fb 67 /* Function: operator int()
antbig 0:ad97421fb1fb 68 * A shorthand for <read>
antbig 0:ad97421fb1fb 69 */
antbig 0:ad97421fb1fb 70 operator int() {
antbig 0:ad97421fb1fb 71 return read();
antbig 0:ad97421fb1fb 72 }
antbig 0:ad97421fb1fb 73
antbig 0:ad97421fb1fb 74 private:
antbig 0:ad97421fb1fb 75 #if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
antbig 0:ad97421fb1fb 76 LPC_GPIO_TypeDef *_gpio;
antbig 0:ad97421fb1fb 77 #endif
antbig 0:ad97421fb1fb 78 PortName _port;
antbig 0:ad97421fb1fb 79 uint32_t _mask;
antbig 0:ad97421fb1fb 80 };
antbig 0:ad97421fb1fb 81
antbig 0:ad97421fb1fb 82 } // namespace mbed
antbig 0:ad97421fb1fb 83
antbig 0:ad97421fb1fb 84 #endif
antbig 0:ad97421fb1fb 85
antbig 0:ad97421fb1fb 86 #endif