Mihail Stoyanov / mbed

Fork of the official mbed C/C++ SDK provides the software platform and libraries to build your applications. The fork has the documentation converted to Doxygen format

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Fork of mbed by mbed official

DigitalIn.h@4:5d1359a283bc, 2008-11-27 (annotated)

Committer:
simon.ford@mbed.co.uk
Date:
Thu Nov 27 16:23:24 2008 +0000
Revision:
4:5d1359a283bc
Parent:
1:6b7f447ca868
Child:
5:62573be585e9
New version of framework: vectors, environment, platform, base and file system

Who changed what in which revision?

UserRevisionLine numberNew contents of line
simon.ford@mbed.co.uk 0:82220227f4fa 1 /* mbed Microcontroller Library - DigitalIn
simon.ford@mbed.co.uk 0:82220227f4fa 2 * Copyright (c) 2007-2008, sford
simon.ford@mbed.co.uk 0:82220227f4fa 3 */
simon.ford@mbed.co.uk 0:82220227f4fa 4
simon.ford@mbed.co.uk 0:82220227f4fa 5 #ifndef MBED_DIGITALIN_H
simon.ford@mbed.co.uk 0:82220227f4fa 6 #define MBED_DIGITALIN_H
simon.ford@mbed.co.uk 0:82220227f4fa 7
simon.ford@mbed.co.uk 0:82220227f4fa 8 #include "Base.h"
simon.ford@mbed.co.uk 0:82220227f4fa 9 #include "LPC2300.h"
simon.ford@mbed.co.uk 0:82220227f4fa 10
simon.ford@mbed.co.uk 0:82220227f4fa 11 typedef void (*VoidFunctionPointer)(void);
simon.ford@mbed.co.uk 0:82220227f4fa 12
simon.ford@mbed.co.uk 0:82220227f4fa 13 namespace mbed {
simon.ford@mbed.co.uk 0:82220227f4fa 14
simon.ford@mbed.co.uk 0:82220227f4fa 15 /* Class: DigitalIn
simon.ford@mbed.co.uk 0:82220227f4fa 16 * A digital input, used for reading the state of a pin
simon.ford@mbed.co.uk 0:82220227f4fa 17 */
simon.ford@mbed.co.uk 0:82220227f4fa 18
simon.ford@mbed.co.uk 0:82220227f4fa 19 class DigitalIn : public Base {
simon.ford@mbed.co.uk 0:82220227f4fa 20
simon.ford@mbed.co.uk 0:82220227f4fa 21 public:
simon.ford@mbed.co.uk 0:82220227f4fa 22
simon.ford@mbed.co.uk 0:82220227f4fa 23 /* Group: Configuration Methods */
simon.ford@mbed.co.uk 0:82220227f4fa 24
simon.ford@mbed.co.uk 0:82220227f4fa 25 /* Constructor: DigitalIn
simon.ford@mbed.co.uk 0:82220227f4fa 26 * Create a DigitalIn connected to the specified pin
simon.ford@mbed.co.uk 0:82220227f4fa 27 *
simon.ford@mbed.co.uk 0:82220227f4fa 28 * Variables:
simon.ford@mbed.co.uk 0:82220227f4fa 29 * pin - DigitalIn pin to connect to (5-30)
simon.ford@mbed.co.uk 0:82220227f4fa 30 */
simon.ford@mbed.co.uk 4:5d1359a283bc 31 DigitalIn(int pin, const char *name = NULL);
simon.ford@mbed.co.uk 0:82220227f4fa 32
simon.ford@mbed.co.uk 0:82220227f4fa 33 /* Function: rise
simon.ford@mbed.co.uk 0:82220227f4fa 34 * Attach a function to call when a rising edge occurs on the input
simon.ford@mbed.co.uk 0:82220227f4fa 35 *
simon.ford@mbed.co.uk 0:82220227f4fa 36 * Variables:
simon.ford@mbed.co.uk 0:82220227f4fa 37 * fptr - A pointer to a void function, or 0 to set as none
simon.ford@mbed.co.uk 0:82220227f4fa 38 */
simon.ford@mbed.co.uk 0:82220227f4fa 39 void rise(void (*fptr)(void));
simon.ford@mbed.co.uk 0:82220227f4fa 40
simon.ford@mbed.co.uk 0:82220227f4fa 41 /* Function: fall
simon.ford@mbed.co.uk 0:82220227f4fa 42 * Attach a function to call when a falling edge occurs on the input
simon.ford@mbed.co.uk 0:82220227f4fa 43 *
simon.ford@mbed.co.uk 0:82220227f4fa 44 * Variables:
simon.ford@mbed.co.uk 0:82220227f4fa 45 * fptr - A pointer to a void function, or 0 to set as none
simon.ford@mbed.co.uk 0:82220227f4fa 46 */
simon.ford@mbed.co.uk 0:82220227f4fa 47 void fall(void (*fptr)(void));
simon.ford@mbed.co.uk 0:82220227f4fa 48
simon.ford@mbed.co.uk 0:82220227f4fa 49 /* Group: Access Methods */
simon.ford@mbed.co.uk 0:82220227f4fa 50
simon.ford@mbed.co.uk 0:82220227f4fa 51 /* Function: read
simon.ford@mbed.co.uk 0:82220227f4fa 52 * Read the input, represented as 0 or 1 (int)
simon.ford@mbed.co.uk 0:82220227f4fa 53 *
simon.ford@mbed.co.uk 0:82220227f4fa 54 * Variables:
simon.ford@mbed.co.uk 0:82220227f4fa 55 * returns - An integer representing the state of the input pin,
simon.ford@mbed.co.uk 0:82220227f4fa 56 * 0 for logical 0 (0v) and 1 for logical 1 (3.3v)
simon.ford@mbed.co.uk 0:82220227f4fa 57 */
simon.ford@mbed.co.uk 0:82220227f4fa 58 int read();
simon.ford@mbed.co.uk 0:82220227f4fa 59
simon.ford@mbed.co.uk 0:82220227f4fa 60
simon.ford@mbed.co.uk 0:82220227f4fa 61 /* Group: Access Method Shorthand */
simon.ford@mbed.co.uk 0:82220227f4fa 62
simon.ford@mbed.co.uk 0:82220227f4fa 63 /* Function: operator int()
simon.ford@mbed.co.uk 0:82220227f4fa 64 * A shorthand for <read>
simon.ford@mbed.co.uk 0:82220227f4fa 65 */
simon.ford@mbed.co.uk 0:82220227f4fa 66 operator int();
simon.ford@mbed.co.uk 0:82220227f4fa 67
simon.ford@mbed.co.uk 0:82220227f4fa 68 static void _irq(); // Called on a GPIO interrupt
simon.ford@mbed.co.uk 4:5d1359a283bc 69
simon.ford@mbed.co.uk 4:5d1359a283bc 70 virtual const struct rpc_method *rpc_methods();
simon.ford@mbed.co.uk 0:82220227f4fa 71
simon.ford@mbed.co.uk 0:82220227f4fa 72 protected:
simon.ford@mbed.co.uk 0:82220227f4fa 73
simon.ford@mbed.co.uk 0:82220227f4fa 74 LPC2300::GPIORF* _rf;
simon.ford@mbed.co.uk 0:82220227f4fa 75 unsigned int _mask;
simon.ford@mbed.co.uk 0:82220227f4fa 76 int _id;
simon.ford@mbed.co.uk 0:82220227f4fa 77
simon.ford@mbed.co.uk 0:82220227f4fa 78 static VoidFunctionPointer _rising[48];
simon.ford@mbed.co.uk 0:82220227f4fa 79 static VoidFunctionPointer _falling[48];
simon.ford@mbed.co.uk 0:82220227f4fa 80
simon.ford@mbed.co.uk 0:82220227f4fa 81 };
simon.ford@mbed.co.uk 0:82220227f4fa 82
simon.ford@mbed.co.uk 0:82220227f4fa 83 }
simon.ford@mbed.co.uk 0:82220227f4fa 84
simon.ford@mbed.co.uk 1:6b7f447ca868 85 #endif
simon.ford@mbed.co.uk 1:6b7f447ca868 86