Erik van de Coevering / quadV3

This is my quadcopter prototype software, still in development!

quadv3/mbed/PortIn.h@1:ac68f0368a77, 2013-07-23 (annotated)

Committer:
Anaesthetix
Date:
Tue Jul 23 14:01:42 2013 +0000
Revision:
1:ac68f0368a77
Parent:
0:978110f7f027 
Other accelerometer added

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Anaesthetix 0:978110f7f027 1 /* mbed Microcontroller Library - PortInOut
Anaesthetix 0:978110f7f027 2 * Copyright (c) 2006-2011 ARM Limited. All rights reserved.
Anaesthetix 0:978110f7f027 3 */
Anaesthetix 0:978110f7f027 4
Anaesthetix 0:978110f7f027 5 #ifndef MBED_PORTIN_H
Anaesthetix 0:978110f7f027 6 #define MBED_PORTIN_H
Anaesthetix 0:978110f7f027 7
Anaesthetix 0:978110f7f027 8 #include "device.h"
Anaesthetix 0:978110f7f027 9
Anaesthetix 0:978110f7f027 10 #if DEVICE_PORTIN
Anaesthetix 0:978110f7f027 11
Anaesthetix 0:978110f7f027 12 #include "PortNames.h"
Anaesthetix 0:978110f7f027 13 #include "PinNames.h"
Anaesthetix 0:978110f7f027 14
Anaesthetix 0:978110f7f027 15 namespace mbed {
Anaesthetix 0:978110f7f027 16
Anaesthetix 0:978110f7f027 17 /* Class: PortIn
Anaesthetix 0:978110f7f027 18 * A multiple pin digital input
Anaesthetix 0:978110f7f027 19 *
Anaesthetix 0:978110f7f027 20 * Example:
Anaesthetix 0:978110f7f027 21 * > // Switch on an LED if any of mbed pins 21-26 is high
Anaesthetix 0:978110f7f027 22 * >
Anaesthetix 0:978110f7f027 23 * > #include "mbed.h"
Anaesthetix 0:978110f7f027 24 * >
Anaesthetix 0:978110f7f027 25 * > PortIn p(Port2, 0x0000003F); // p21-p26
Anaesthetix 0:978110f7f027 26 * > DigitalOut ind(LED4);
Anaesthetix 0:978110f7f027 27 * >
Anaesthetix 0:978110f7f027 28 * > int main() {
Anaesthetix 0:978110f7f027 29 * > while(1) {
Anaesthetix 0:978110f7f027 30 * > int pins = p.read();
Anaesthetix 0:978110f7f027 31 * > if(pins) {
Anaesthetix 0:978110f7f027 32 * > ind = 1;
Anaesthetix 0:978110f7f027 33 * > } else {
Anaesthetix 0:978110f7f027 34 * > ind = 0;
Anaesthetix 0:978110f7f027 35 * > }
Anaesthetix 0:978110f7f027 36 * > }
Anaesthetix 0:978110f7f027 37 * > }
Anaesthetix 0:978110f7f027 38 */
Anaesthetix 0:978110f7f027 39 class PortIn {
Anaesthetix 0:978110f7f027 40 public:
Anaesthetix 0:978110f7f027 41
Anaesthetix 0:978110f7f027 42 /* Constructor: PortIn
Anaesthetix 0:978110f7f027 43 * Create an PortIn, connected to the specified port
Anaesthetix 0:978110f7f027 44 *
Anaesthetix 0:978110f7f027 45 * Variables:
Anaesthetix 0:978110f7f027 46 * port - Port to connect to (Port0-Port5)
Anaesthetix 0:978110f7f027 47 * mask - A bitmask to identify which bits in the port should be included (0 - ignore)
Anaesthetix 0:978110f7f027 48 */
Anaesthetix 0:978110f7f027 49 PortIn(PortName port, int mask = 0xFFFFFFFF);
Anaesthetix 0:978110f7f027 50
Anaesthetix 0:978110f7f027 51 /* Function: read
Anaesthetix 0:978110f7f027 52 * Read the value currently output on the port
Anaesthetix 0:978110f7f027 53 *
Anaesthetix 0:978110f7f027 54 * Variables:
Anaesthetix 0:978110f7f027 55 * returns - An integer with each bit corresponding to associated port pin setting
Anaesthetix 0:978110f7f027 56 */
Anaesthetix 0:978110f7f027 57 int read();
Anaesthetix 0:978110f7f027 58
Anaesthetix 0:978110f7f027 59 /* Function: mode
Anaesthetix 0:978110f7f027 60 * Set the input pin mode
Anaesthetix 0:978110f7f027 61 *
Anaesthetix 0:978110f7f027 62 * Variables:
Anaesthetix 0:978110f7f027 63 * mode - PullUp, PullDown, PullNone, OpenDrain
Anaesthetix 0:978110f7f027 64 */
Anaesthetix 0:978110f7f027 65 void mode(PinMode mode);
Anaesthetix 0:978110f7f027 66
Anaesthetix 0:978110f7f027 67 /* Function: operator int()
Anaesthetix 0:978110f7f027 68 * A shorthand for <read>
Anaesthetix 0:978110f7f027 69 */
Anaesthetix 0:978110f7f027 70 operator int() {
Anaesthetix 0:978110f7f027 71 return read();
Anaesthetix 0:978110f7f027 72 }
Anaesthetix 0:978110f7f027 73
Anaesthetix 0:978110f7f027 74 private:
Anaesthetix 0:978110f7f027 75 #if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
Anaesthetix 0:978110f7f027 76 LPC_GPIO_TypeDef *_gpio;
Anaesthetix 0:978110f7f027 77 #endif
Anaesthetix 0:978110f7f027 78 PortName _port;
Anaesthetix 0:978110f7f027 79 uint32_t _mask;
Anaesthetix 0:978110f7f027 80 };
Anaesthetix 0:978110f7f027 81
Anaesthetix 0:978110f7f027 82 } // namespace mbed
Anaesthetix 0:978110f7f027 83
Anaesthetix 0:978110f7f027 84 #endif
Anaesthetix 0:978110f7f027 85
Anaesthetix 0:978110f7f027 86 #endif