Wiljan Arias / WhexReefMonitor

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Dependencies:   mbed-rtos EthernetInterface FatFileSystemCpp MCP23S17 SDFileSystem mbed

Fork of HTTPServerHelloWorld by Donatien Garnier

mbed/DigitalIn.h@3:5dc0023e6284, 2014-01-31 (annotated)

Committer:
wyunreal
Date:
Fri Jan 31 23:19:28 2014 +0000
Revision:
3:5dc0023e6284
First approach of EthernetService class

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wyunreal 3:5dc0023e6284 1 /* mbed Microcontroller Library - DigitalIn
wyunreal 3:5dc0023e6284 2 * Copyright (c) 2006-2009 ARM Limited. All rights reserved.
wyunreal 3:5dc0023e6284 3 * sford
wyunreal 3:5dc0023e6284 4 */
wyunreal 3:5dc0023e6284 5
wyunreal 3:5dc0023e6284 6 #ifndef MBED_DIGITALIN_H
wyunreal 3:5dc0023e6284 7 #define MBED_DIGITALIN_H
wyunreal 3:5dc0023e6284 8
wyunreal 3:5dc0023e6284 9 #include "platform.h"
wyunreal 3:5dc0023e6284 10 #include "PinNames.h"
wyunreal 3:5dc0023e6284 11 #include "PeripheralNames.h"
wyunreal 3:5dc0023e6284 12 #include "Base.h"
wyunreal 3:5dc0023e6284 13
wyunreal 3:5dc0023e6284 14 namespace mbed {
wyunreal 3:5dc0023e6284 15
wyunreal 3:5dc0023e6284 16 /* Class: DigitalIn
wyunreal 3:5dc0023e6284 17 * A digital input, used for reading the state of a pin
wyunreal 3:5dc0023e6284 18 *
wyunreal 3:5dc0023e6284 19 * Example:
wyunreal 3:5dc0023e6284 20 * > // Flash an LED while a DigitalIn is true
wyunreal 3:5dc0023e6284 21 * >
wyunreal 3:5dc0023e6284 22 * > #include "mbed.h"
wyunreal 3:5dc0023e6284 23 * >
wyunreal 3:5dc0023e6284 24 * > DigitalIn enable(p5);
wyunreal 3:5dc0023e6284 25 * > DigitalOut led(LED1);
wyunreal 3:5dc0023e6284 26 * >
wyunreal 3:5dc0023e6284 27 * > int main() {
wyunreal 3:5dc0023e6284 28 * > while(1) {
wyunreal 3:5dc0023e6284 29 * > if(enable) {
wyunreal 3:5dc0023e6284 30 * > led = !led;
wyunreal 3:5dc0023e6284 31 * > }
wyunreal 3:5dc0023e6284 32 * > wait(0.25);
wyunreal 3:5dc0023e6284 33 * > }
wyunreal 3:5dc0023e6284 34 * > }
wyunreal 3:5dc0023e6284 35 */
wyunreal 3:5dc0023e6284 36 class DigitalIn : public Base {
wyunreal 3:5dc0023e6284 37
wyunreal 3:5dc0023e6284 38 public:
wyunreal 3:5dc0023e6284 39
wyunreal 3:5dc0023e6284 40 /* Constructor: DigitalIn
wyunreal 3:5dc0023e6284 41 * Create a DigitalIn connected to the specified pin
wyunreal 3:5dc0023e6284 42 *
wyunreal 3:5dc0023e6284 43 * Variables:
wyunreal 3:5dc0023e6284 44 * pin - DigitalIn pin to connect to
wyunreal 3:5dc0023e6284 45 * name - (optional) A string to identify the object
wyunreal 3:5dc0023e6284 46 */
wyunreal 3:5dc0023e6284 47 DigitalIn(PinName pin, const char *name = NULL);
wyunreal 3:5dc0023e6284 48
wyunreal 3:5dc0023e6284 49 /* Function: read
wyunreal 3:5dc0023e6284 50 * Read the input, represented as 0 or 1 (int)
wyunreal 3:5dc0023e6284 51 *
wyunreal 3:5dc0023e6284 52 * Variables:
wyunreal 3:5dc0023e6284 53 * returns - An integer representing the state of the input pin,
wyunreal 3:5dc0023e6284 54 * 0 for logical 0 and 1 for logical 1
wyunreal 3:5dc0023e6284 55 */
wyunreal 3:5dc0023e6284 56 int read() {
wyunreal 3:5dc0023e6284 57 return ((_gpio->FIOPIN & _mask) ? 1 : 0);
wyunreal 3:5dc0023e6284 58 }
wyunreal 3:5dc0023e6284 59
wyunreal 3:5dc0023e6284 60
wyunreal 3:5dc0023e6284 61 /* Function: mode
wyunreal 3:5dc0023e6284 62 * Set the input pin mode
wyunreal 3:5dc0023e6284 63 *
wyunreal 3:5dc0023e6284 64 * Variables:
wyunreal 3:5dc0023e6284 65 * mode - PullUp, PullDown, PullNone, OpenDrain
wyunreal 3:5dc0023e6284 66 */
wyunreal 3:5dc0023e6284 67 void mode(PinMode pull);
wyunreal 3:5dc0023e6284 68
wyunreal 3:5dc0023e6284 69 #ifdef MBED_OPERATORS
wyunreal 3:5dc0023e6284 70 /* Function: operator int()
wyunreal 3:5dc0023e6284 71 * An operator shorthand for <read()>
wyunreal 3:5dc0023e6284 72 */
wyunreal 3:5dc0023e6284 73 operator int() {
wyunreal 3:5dc0023e6284 74 return read();
wyunreal 3:5dc0023e6284 75 }
wyunreal 3:5dc0023e6284 76
wyunreal 3:5dc0023e6284 77 #endif
wyunreal 3:5dc0023e6284 78
wyunreal 3:5dc0023e6284 79 #ifdef MBED_RPC
wyunreal 3:5dc0023e6284 80 virtual const struct rpc_method *get_rpc_methods();
wyunreal 3:5dc0023e6284 81 static struct rpc_class *get_rpc_class();
wyunreal 3:5dc0023e6284 82 #endif
wyunreal 3:5dc0023e6284 83
wyunreal 3:5dc0023e6284 84 protected:
wyunreal 3:5dc0023e6284 85
wyunreal 3:5dc0023e6284 86 PinName _pin;
wyunreal 3:5dc0023e6284 87 LPC_GPIO_TypeDef *_gpio;
wyunreal 3:5dc0023e6284 88 uint32_t _mask;
wyunreal 3:5dc0023e6284 89
wyunreal 3:5dc0023e6284 90 };
wyunreal 3:5dc0023e6284 91
wyunreal 3:5dc0023e6284 92 } // namespace mbed
wyunreal 3:5dc0023e6284 93
wyunreal 3:5dc0023e6284 94 #endif
wyunreal 3:5dc0023e6284 95